Operator´s manual
Rider 155
Rider 155 AWD
Please read these instructions carefully and make sure
you understand them before using the machine.
English
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CONTENTS
Operator’s Manual for
Rider 155 and Rider 155 AWD
Contents............................................................... 1
Dismantling of the machine hoods ................. 31
Checking and adjusting the steering wires .... 32
Adjusting the parking brake ........................... 33
Adjustment of throttle wire ............................. 34
Inspecting the muffler..................................... 34
Replacement of fuel filter ............................... 35
Replacement of air filter ................................. 35
Checking the level of the battery acid ............ 36
Ignition System .............................................. 37
Checking the safety system ........................... 38
Main fuse ....................................................... 39
Checking the tyre pressure ............................ 39
Checking the engine’s cooling air intake ........ 39
Fitting the cutting unit ..................................... 40
Checking and adjustment of cutting unit’s
Introduction ......................................................... 2
General ............................................................ 2
Driving and transport on public roads .............. 2
Towing .............................................................. 2
Operating ......................................................... 2
Manufacturing number ..................................... 3
Saftey rules ........................................................ 4
Explanation of symbols and decals .................. 7
Safety instructions .............................................. 9
General operation ............................................ 9
Personal safety eguipment............................. 11
Slope operation .............................................. 11
Children.......................................................... 12
Maintenance .................................................. 13
Safe handling of gasoline ............................... 13
General maintenance..................................... 14
Transport ........................................................ 16
Customer responsibilities ............................... 17
Controls ............................................................. 18
Location of the controls .................................. 18
Throttle/Choke lever ....................................... 19
Speed limiter .................................................. 19
Parking brake ................................................. 19
Cutting unit ..................................................... 20
Lift lever for cutting unit .................................. 20
Lever for adjustment of cutting height ............ 21
Seat................................................................ 21
Fuelling .......................................................... 21
Operation ........................................................... 22
Before starting................................................ 22
Starting the engine......................................... 22
To start an engine with a weak battery .......... 24
Running.......................................................... 25
Moving tips ..................................................... 26
Stopping the engine ....................................... 27
Release lever ................................................. 28
Maintenance ...................................................... 29
Maintenance schedule ................................... 29
Cleaning ......................................................... 30
ground pressure ............................................. 41
Checking the cutting unit´s parallelism........... 41
Adjusting the parallelism of the cutting unit.... 42
Removing the cutting unit .............................. 42
Replacing the cutting unit belts ...................... 43
Service position for cutting unit ...................... 43
Placing in service position.............................. 43
Restoring from service position ..................... 46
Checking the blades....................................... 46
Removal of BioClip plug (Combi) ................... 47
Lubrication......................................................... 48
Checking the engine’s oil level ....................... 48
Changing the oil ............................................. 48
Change of oil filter .......................................... 49
Checking the transmission’s oil level .............. 49
Lubricating the belt adjuster ........................... 50
General lubrication ......................................... 50
Trouble shooting schedule............................... 51
Storage............................................................... 52
Winter storage................................................ 52
Cover.............................................................. 52
Service ........................................................... 52
Technical data ................................................... 53
Servicejournal ................................................... 55
WARNING!
Failure to follow cautious operating practices can result in serious injury to the opera-
tor or other persons. The owner must understand these instructions, and must allow
only trained persons who understand these instructions to operate the mower. Each
person operating the mower must be of sound mind and body and must not be under
the influence of any mind altering substance.
WARNING!
Engine exhaust, some of its constituents, and certain vehicle components contain or
emit chemicals known to the State of California to cause cancer and birth defects or
other reproductive harm.
WARNING!
Battery posts, terminals and related accessories contain lead and lead compounds,
chemicals known to the State of California to cause cancer and birth defects or other
reproductive harm. Wash hands after handling.
English – 1
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INTRODUCTION
Introduction
Congratulations
Thank you for purchasing a Husqvarna ride-on mower. This machine is built for the greatest efficiency and
rapid mowing primarily of large areas. Controls in one place and a hydrostatic transmission regulated by
steering controls also contribute to the machine’s performance.
This manual is a valuable document. Following the instructions (use, service, maintenance, etc.) by all who
operate this machine can considerably increase the lifespan of your machine and even increase its resale
value. It is also very important to follow the instructions for the safety of you and others.
If you sell your machine, be sure to give the operator’s manual to the new owner.
The final chapter of this operator’s manual comprises a Service Journal. Ensure that service and repair
work is documented. A well kept service journal reduces service costs for the season-based maintenance
and affects the machine’s resale value. Take the operator’s manual along when the machine is left to the
workshop for service.
General
In this operator’s manual, left and right, backward and forward are used in relation to the machine’s normal
driving direction.
Continuous dedication to improve our products require that specifications and design are subject to change
without notice.
Driving and Transport on Public Roads
Check applicable road traffic regulations before transporting on public roads. If the machine is transported,
you must always use approved fastening equipment and ensure that the machine is well anchored. DO
NOT operate this machine on public roadways.
Towing
Do not tow this machine, it may cause damage to the drive system.
Do not tow any trailers, etc with this mower. They may jackknife or overturn causing damage to the mower
and possibly serious injury to the operator.
Operating
This machine is constructed only for mowing grass on lawns and other free and even ground without
obstacles such as stones, tree stubs, etc. The machine can also be used for other tasks when equipped
with special accessories provided by the manufacturer, for which the operating instructions are provided in
conjunction with delivery. All other types of use are incorrect. The manufacturer’s directions concerning
operation, maintenance, and repairs must be carefully followed.
Lawnmowers and all power equipment, can be potentially dangerous if used improperly. Safety requires
good judgement, careful use in accordance with these instructions and common sense.
The machine must only be operated, maintained, and repaired by persons that are familiar with the
machine’s special characteristics and who are well versed in the safety instructions. Use only approved
repair parts to maintain this machine.
Accident prevention regulations, other general safety regulations, occupational safety rules, and traffic
regulations must be followed without fail.
Unauthorized modifications to the design of the machine may absolve the manufacturer from liability for
any resulting personal injury or property damage.
2 – English
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INTRODUCTION
Good Service
Husqvarna’s products are sold all over the world and only in specialized retail stores with complete service.
This ensures that you as a customer receive only the best support and service. Before the product is
delivered, the machine has, for example, been inspected and adjusted by your retailer, see the certificate
in the Service Journal in this operator’s manual.
When you need spare parts or support in service questions, warranty issues, etc., please consult
the following professional:
Engine
Transmission
This Operator’s Manual belongs to
machine with serial number:
Manufacturing Number
The machine’s manufacturing number can be found on the printed plate affixed to the left in the engine
compartment. Stated on the plate, from the top are:
•
•
•
The machine’s type designation (I.D.).
The manufacturer’s type number (Model).
The machine’s serial number (Serial no.)
Please state the type designation and serial number when ordering spare parts.
The engine’s manufacturing number is stamped on one of the valve covers.
The plate states:
•
•
•
The engine’s model.
The engine’s type.
Code
Please state these when ordering spare parts.
The Hydro Drive IZ gears have a barcode decal affixed to the rear of the gears.
English – 3
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1. Safety rules for USA
These instructions are for your safety. Read them carefully.
Safe operation practices for ride-on mowers
IMPORTANT!
This cutting machine is capable of amputating hands and feet and throwing objects. Failure to
observe the following safety instructions could result in serious injury or death.
Follow the manufacturer’s recommendations for
wheel weights or counterweights to improve
stability.
Use extra care with attachments. These can
change the stability of the machine.
Keep all movement on the slopes slow and
gradual. Do not make sudden changes in
speed or direction.
I. General operation
1. Read, understand and follow all instructions in
the manual and on the machine before
starting.
2. Only allow responsible adults, who are familiar
with the instructions, to operate the machine.
3. Clear the area of objects such as rocks, toys,
wire, etc., which could be picked up and
thrown by the blade.
Avoid starting or stopping on a slope. If tires
lose traction, disengage the blades and
proceed slowly straight down the slope.
4. Be sure the area is clear of other people
before mowing. Stop the machine if anyone
enters the area.
DO NOT
5. Never carry passengers.
Do not turn on slopes unless necessary and
then, turn slowly and gradually downhill, if
possible.
Do not mow near drop-offs, ditches or
embandments. The mower could suddenly turn
over if a wheel is over the edge of a cliff or
ditch, or if an edge caves in.
Do not mow on wet grass. Reduced traction
could cause sliding.
Do not try to stabilize the machine by putting
your foot on the ground.
6. Do not mow in reverse unless absolutely
necessary. Always look down and behind
before and while backing.
7. Slow down before turning.
8. Never leave a running machine unattended.
Always turn off blades, set parking brake, stop
engine and remove keys before dismounting.
9. Turn off blades when not mowing.
10. Mow only in daylight or good artificial light.
11. Do not operate the machine while under the
influence of alcohol or drugs.
III. Children
11. Watch for traffic when operating near or
crossing roadways.
Tragic accidents can occur if the operator is not
alert to the presence of children. Children are often
attracted to the machine and the mowing activity.
Never assume that children will remain where you
last saw them.
1. Keep children out of the mowing area and
under the watchful care of another responsible
adult.
13. Use extra care when loading or unloading the
machine into a trailer or truck.
14. Always wear eye protection when operating
machine.
II. Slope operation
2. Be alert and turn machine off if children enter
the area.
Slopes are a major factor related to loss-of-control
and tip-over accidents, which can result in severe
injury or death. All slopes require extra caution. If
you cannot back up the slope or if you feel uneasy
on it, do not mow it.
3. Before and when backing, look behind and
down for small children.
4. Never carry children. They may fall off and be
seriously injured or interfere with safe machine
operation.
DO
Mow up and down slopes, not across.
Remove obstacles such as rocks, tree limbs,
etc.
Watch for holes, ruts or bumps. Uneven terrain
could overturn the machine. Tall grass can
hide obstacles.
5. Never allow children to operate the machine.
6. Use extra care when approaching blind
corners, shrubs, trees or other objects that may
obscure vision.
Use slow speed. Choose a low gear so that
you will not have to stop or shift while on the
slope.
4 – English
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1. Safety rules for USA
Safe handling of gasoline
IV. Service
To avoid personal injury or property damage, use
extrem care in handling gasoline. Gasoline is
extremely flammable the vapors are explosive
1. Use extra care in handling gasoline and other
fuels. They are flammable and vapours are
explosive.
a) Use only an approved container.
1. Extinguish all cigarettes, cigars, pipes, and
other sources of ignition.
b) Never remove gas cap or add fuel with the
engine running. Allow engine to cool before
refuelling. Do not smoke.
2. Use only an approved gasoline container.
c) Never refuel the machine indoors.
3. Never remove gas cap or add fuel with the
engine running. Allow engine to cool before
refueling.
d) Never store the machine or fuel container
inside where there is an open flame, such as
in a water heater.
4. Never fuel the machine indoors.
2. Never run a machine inside a closed area.
5. Never store the machine or fuel container
where there is an open flame, spark or pilot
light such as on a water heater or other
appliances.
3. Keep nuts and bolts, especially blade
attachment bolts, tight and keep equipment in
good condition.
4. Never tamper with safety devices. Check their
proper operation regularly.
6. Never fill containers inside a vehicle or on a
truck or trailer bed with a plastic liner. Allways
place containers on the groundaway from your
vehicle before filling
5. Keep machine free of grass, leaves or other
debris build-up. Clean up oil or fuel spillage.
Allow machine to cool before storing.
7. Remove gas-powered equipment from the truck
or trailer and refuel it on the ground. If this is not
possible, then refuel such equipment with a
portable container, rather than from a gasoline
dispenser nozzle.
6. Stop and inspect the equipment if you strike an
object. Repair, if necessary, before restarting.
7. Never make adjustments or repairs with the
engine running.
8. Mower blades are sharp and can cut. Wrap the
blade(s) or wear gloves and use extra caution
when servicing them.
8. Keep the nozzle in contact with the rim of the
fuel tank or container opening at all times until
the fueling is complete. Do not use a nozzle
lock-open device.
9. Check brake operation frequently. Adjust and
service as required.
9. If fuel is spilled on clothing, change clothing
immediately.
10. Maintain or replace safety and instruction
labels, as necessary.
10. Never overfill fuel tank. Replace gas cap and
tighten securely.
Danger, keep hands and feet away
English – 5
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1. Safety rules for USA
Travel and transport on public roads
use.
Check the relevant road traffic regulations before
driving the machine on a public road. If transporting
the machine on another vehicle always use
approved securing devices and make sure that the
machine is securely held.
This machine should be operated, serviced and
repaired only by persons who are familiar with its
particular characteristics and who are acquainted
with the relevant safety procedures.
Accident prevention regulations, all other generally
recognised regulations on safety and occupational
medicine, and all road traffic regulations must be
observed at all times.
Towing of the machine
If your machine has a hydrostatic transmission you
should only tow it very short distances at low speed
if absolutely necessary, otherwise the transmission
may be damaged.
Any arbitrary modifications carried out to this
machine may relieve the manufacturer of liability for
any resulting damage or injury.
1. Tow only with a machine that has a hitch desig-
ned for towing. Do not attach towed equipment
except at the hitch point.
Safe operation practices for Ride-On Mowers
Before starting cutting operations, train different
driving operations on an open ground without
people nearby until you feel familiar with handling
the equipment. This is particularly important if you
have no or little prior experience of driving a
vehicle.
Data indicates that operators, age 60 years and
above, are involved in a large percentage of riding
mower-related injuries. These operators should
evaluate their ability to operate the riding mower
safely in order to protect themselves and others
from serious injury.
2. Follow the manufacturer´s recommendation for
weight limits for towed equipment and towing
on slopes.
3. Never allowe children or others in or on towed
equipment.
4. On slopes, the weight of the towed equipment
may cause loss of traction and loss of control.
5. Travel slowly and allow extradistance to stop.
Never carry children, even with the blades off. They
may fall off and be seriously injured or interfere with
safe machine operation.
Intended use
This machine is designed solely for cutting grass
on conventional lawns and other cleared and
leveled ground without obstacles, as rocks, stumps
etc., and, in conjunction with accessories supplied
by the manufacturer even for other special tasks
for which instructions are delivered with the
accessory. Use in any other way is considered as
contrary to the intended use. Compliance with and
strict adherence to the conditions of operation,
service and repair as specified by the manufacturer
also constitute essential elements of the intended
6 – English
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EXPLANATION OF SYMBOLS AND DECALS
These symbols are found on the machine and in the operator’s manual.
Study them carefully so that you know what they mean.
IMPORTANT INFORMATION
Xxxxxxx xxxx xxxxxxxx xxx xxx
xxxx xxxxxx xx.
WARNING!
Xxxxxxx xxxx xxxxxxxx xxx x
Xxxxx xxxxxx xx.
xx xxxxxxxx xxxxx xxx xx.
Used in this publication to notify the reader of a risk
of material damage, particularly if the reader should
neglect to follow instructions given in the manual.
Used also when there is a potential for misuse or
misassembly.
Used in this publication to notify the reader of a risk
of personal injury or death, particularly if the reader
should neglect to follow instructions given in the
manual.
Read the operator’s manual
N
Neutral
Fast
Slow
Engine off
Choke
Fuel
Oil level
Cutting height
Backwards
Forwards
Ignition
Hydrostatic free wheel
Use eye and hearing protection
Parking brake
Warning
Never use the machine if persons, especially
children, or animals, are in the vicinity.
Never carry passengers on the
machine or equipment.
Never drive across a
slope
Warning!
Risk that the
machine can tip over
Keep hands and feet away from
moving parts.
Use protective glasses
Drive very slowly
without the cutting unit.
Use protective gloves
Speed limiter pedal forwards
Neutral
STARTING INSTRUCTION
• READ OPERATOR´S MANUAL.
• CHECK ENGINE OIL LEVEL.
• ENGAGE PARKING BRAKE AND LIFT
Speed limiter pedal reverse
CUTTING DECK IN TRANSPORT POSITION.
• IF ENGINE IS COLD USE CHOKE.
• START THE ENGINE.
• RELEASE PARKING BRAKE BEFORE DRIVING.
INSTRUCTIONS DE DEMARRAGE
• LIRE LE GUIDE DE CONDUITE.
• VÉRIFIEZ LE NIVEAU D´HUILE MOTEUR.
• SERREZ LE FREIN DE PARKING ET METTRE LE CARTER
DE COUPE EN POSITION HAUT.
Switch off the engine and take off
the ignition cable before repairs or
maintenance
• SI LE MOTEUR EST FROID, UTILISEZ LE STARTER.
• ACTIONNEZ LE DÉMARREUR.
• DESSERREZ LE FREIN DE PARKING
English – 7
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EXPLANATION OF SYMBOLS AND DECALS
Placards
8009-442
8 – English
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SAFETY INSTRUCTIONS
Safety Instructions
These instructions are for your safety. Read them carefully.
WARNING!
This symbol means that important safety instructions need to be emphasized. It
concerns your safety.
WARNING!
THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND
THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY
INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH.
General Operation
•
Read, understand, and follow all instructions on
the machine and in the manual before starting.
•
Do not put hands or feet near rotating parts or
under the machine. Keep clear of the discharge
opening at all times.
•
•
Only allow responsible adults, who are familiar
with the instructions, to operate the machine.
Clear the area of objects such as rocks, toys,
wire, etc., which could be picked up and thrown
by the blades.
8010-047
Read the operator’s manual before starting the machine.
•
Be sure the area is clear of bystanders before
operating. Stop machine if anyone enters the
area.
•
•
Never carry passengers. The machine is only
intended for use by one person.
Do not mow in reverse unless absolutely
necessary. Always look down and behind before
and while backing.
•
•
Never direct discharged material toward anyone.
Avoid discharging material against a wall or
obstruction. Material may ricochet back toward
the operator. Stop the blades when crossing
gravel surfaces.
6003-002
Clear the area of objects before mowing.
Do not operate machine without the entire grass
catcher, discharge guard, or other safety devices
in place and working
•
•
Slow down before turning.
Never leave a running machine unattended.
Always turn off blades, set parking brake, stop
engine, and remove keys before dismounting.
8010-052
Never carry passengers.
English – 9
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SAFETY INSTRUCTIONS
•
Disengage blades when not mowing. Shut off
WARNING!
engine and wait for all parts to come to a
complete stop before cleaning the machine,
removing the grass catcher, or unclogging the
discharge guard.
Engine exhaust and certain
vehicle components contain
or emit chemicals considered
to cause cancer, birth defects,
or other reproductive system
damage. The engine exhaust
contains carbon monoxide,
which is a odorless, colorless,
poisonous gas. Do not use the
machine in enclosed spaces.
•
•
•
•
•
•
Operate machine only in daylight or good
artificial light.
Do not operate the machine while under the
influence of alcohol or drugs.
Watch for traffic when operating near or crossing
roadways.
Use extra care when loading or unloading the
machine into a trailer or truck.
Always wear eye protection when operating
machine.
Data indicates that operators, age 60 years and
above, are involved in a large percentage of
riding mower-related injuries. These operators
should evaluate their ability to operate the riding
mower safely enough to protect themselves and
others from serious injury.
•
•
Follow the manufacturer’s recommendation for
wheel weights or counterweights.
Never allow children or other persons not trained
in the use of the machine to use or service it.
Local laws may regulate the age of the user.
Anyone who operates this machine should first
read and understand this Operator’s Manual.
•
Keep machine free of grass, leaves or other
debris build-up which can touch hot exhaust /
engine parts and burn. Do not allow the mower
deck to plow leaves or other debris which can
cause build-up to occur. Clean any oil or fuel
spillage before operating or storing the machine.
Allow machine to cool before storage.
10 – English
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SAFETY INSTRUCTIONS
Personal Safety Equipment
WARNING!
When using the machine, approved personal protective equipment (shown in
illustrations) shall be used. Personal protective equipment cannot eliminate the risk of
injury but it will reduce the degree of injury if an accident does happen. Ask your
retailer for help in choosing the right equipment.
•
•
Make sure that you have first aid equipment
close at hand when using the machine.
Never use the machine when barefoot. Always
wear protective shoes or boots, preferably with
steel toecaps.
•
Always wear approved protective glasses or a
full visor when assembling or driving.
•
•
Always wear gloves when handling the blades.
Never wear loose clothing that can get caught in
moving parts.
•
Use ear protectors to avoid damage to hearing.
8011-292
Personal protective equipment.
Slope Operation
Slopes are a major factor related to loss of control
and tip-over accidents, which can result in severe
injury or death. Operation on all slopes requires
extra caution. If you cannot back up the slope or if
you feel uneasy on it, do not mow it.
•
•
Mow up and down slopes (10 degrees maxium),
not across.
Watch for holes, ruts, bumps, rocks, or other
hidden objects. Uneven terrain could overturn
the machine. Tall grass can hide obstacles.
6003-004
Mow upwards and downwards on slopes, not sideways.
•
•
•
Choose a low ground speed so that you will not
have to stop while on the slope.
Do not mow on wet grass. Tires may lose
traction.
Avoid starting, stopping, or turning on a slope. If
the tires lose traction, disengage the blades and
proceed slowly straight down the slope.
•
Keep all movement on the slopes slow and
gradual. Do not make sudden changes in speed
or direction, which could cause the machine to
roll over.
WARNING!
Do not drive up or down hills with
slopes greater than 10 degrees.
And do not drive across any
slopes.
English – 11
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SAFETY INSTRUCTIONS
•
Use extra care while operating machine with
grass catchers or other attachments; they can
affect the stability of the machine. Do not use on
steep slopes.
•
•
Do not try to stabilize the machine by putting
your foot on the ground.
Do not mow near drop-offs, ditches, or
embankments. The machine could suddenly roll
over if a wheel is over the edge or if the edge
caves in.
8010-054
Be especially careful when driving on slopes.
Children
Tragic accidents can occur if the operator is
not alert to the presence of children. Children
are often attracted to the machine and the
mowing activity. Never assume that children
will remain where you last saw them.
•
Keep children out of the mowing area and in the
watchful care of a responsible adult other than
the operator.
•
•
•
Be alert and turn machine off if a child enters
the area.
Before and while backing, look behind and down
for small children.
8010-057
Never carry children, even with the blades shut
off. They may fall off and be seriously injured or
interfere with safe machine operation. Children
who have been given rides in the past may
suddenly appear in the mowing area for another
ride and be run over or backed over by the
machine.
Never allow children to operate the machine.
•
•
Never allow children to operate the machine.
Use extra care when approaching blind corners,
shrubs, trees, or other objects that may block
your view of a child.
6003-006
Keep children away from the area to be mowed.
12 – English
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SAFETY INSTRUCTIONS
Maintenance
WARNING!
The engine must not be started when the driver’s floor plate or any protective plate
for the mower deck’s drive belt is removed.
Safe Handling of Gasoline
To avoid personal injury or property damage,
use extreme care in handling gasoline.
Gasoline is extremely flammable and the
vapors are explosive.
•
Extinguish all cigarettes, cigars, pipes, and other
sources of ignition.
•
•
Use only approved gasoline container.
Never remove gas cap or add fuel with the
engine running. Allow engine to cool at least two
(2) minutes before refueling.
•
•
Never fuel the machine indoors.
Never store the machine or fue container where
there is an open flame, spark, or pilot light such
as on a water heater or other appliances.
•
•
Never fill containers inside a vehicle or on a
truck or trailer bed with plastic liner. Always
place containers on the ground away from your
vehicle when filling.
8010-058
Never fill the fuel tank indoors.
Remove gas-powered equipment from the truck
or trailer and refuel it on the ground. If this is not
possible, then refuel such equipment with a
portable container, rather than from a gasoline
dispenser nozzle.
•
Keep the nozzle in contact with the rim of the
fuel tank or container opening at all times until
fueling is complete. Do not use a nozzle lock-
open device.
WARNING!
The engine and the exhaust
system, become very hot during
operation.
Risk for burns if touched.
Allow engine and exhaust
system to cool at least two (2)
minutes before refueling
•
•
If fuel is spilled on clothing, change clothing
immediately.
Never overfill fuel tank. Replace gas cap and
tighten securely.
•
•
•
Do not start the engine near spilled fuel.
Never use gasoline as a cleaning agent.
If leaks arise in the fuel system, the engine must
not be started until the problem has been
resolved.
•
Check the fuel level before each use and leave
space for the fuel to expand, because the heat
from the engine andthe sun may otherwise
cause the fuel to expand and overflow.
English – 13
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SAFETY INSTRUCTIONS
General Maintenance
•
•
Never operate machine in a closed area.
Keep all nuts and bolts tight to be sure the
equipment is in safe working condition.
•
•
Never tamper with safety devices. Check their
proper operation regularly.
Keep machine free of grass, leaves, or other
debris build-up. Clean oil or fuel spillage and
remove any fuel-soaked debris. Allow machine
to cool before storing.
•
If you strike a foreign object, stop and inspect
the machine. Repair, if necessary, before restar-
ting.
8010-060
Never run the machine in an enclosed area.
•
•
Never make any adjustments or repairs with the
engine running.
Check grass catcher components and the
discharge guard frequently and replace with
manufacturer’s recommended parts, when
necessary.
•
Mower blades are sharp. Wrap the blade or wear
gloves, and use extra caution when servicing
them.
•
•
•
Check brake operation frequently. Adjust and
service as required.
Maintain or replace safety and instruction labels,
as necessary.
Do not modify safety equipment. Check regularly
to be sure it works properly. The machine must
not be driven with defective or unmounted
protective plates, protective cowlings, safety
switches, or other protective devices.
•
•
Do not change the settings of governors and
avoid running the engine with overly high engine
speeds. If you run the engine too fast, you risk
damaging the machine components.
Be very careful when handling battery acid. Acid
on skin can cause serious corrosive burns. If you
spill battery acid on your skin, rinse immediately
with water.
WARNING!
The battery contains lead and
lead compounds, chemicals that
are considered to cause cancer,
birth defects, and other
reproductive system damage.
Wash your hands after handling
the battery.
14 – English
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SAFETY INSTRUCTIONS
•
•
Acid in the eyes can cause blindness, contact a
doctor immediately.
Be careful when servicing the battery. Explosive
gases form in the battery. Never perform
maintenance on the battery whe smoking or
near open flames or sparks. The battery can
explode and cause serious injury/damage.
•
•
Ensure that nuts and bolts, especially the
fastening bolts for the blade attachments, are
properly tightened, torqued and that the
equipment is in good condition.
Do not modify safety equipment. Check regularly
to be sure it works properly. The machine must
not be driven with defective or unmounted
protective plates, protective cowlings, safety
switches, or other protective devices.
8009-441
Do not smoke when performing maintenance on the
battery. The battery can explode and cause serious
injury/damage
•
•
Do not change the settings of governors and
avoid running the engine with overly high engine
speeds. If you run the engine too fast, you risk
damaging the machine components.
Sparking can occur when working with the
battery and the heavy cables of the starter
circuit. This can cause battery explosion, fire or
eye injury. Sparking in this circuit can not occur
after the chassis cable (normally negative, black)
is removed from the battery.
WARNING!
Avoid electrical sparking and its
consequences by the following
routines:
8009-728
Risk of sparking
•
•
Use protective goggles.
Ensure that the fuel filler cap is mounted tightly
and no flammable substance is stored in an
open vessel.
Always use protective glasses when
handling the battery.
•
•
•
•
Never work with the starter circuit if there is
spilled fuel.
Disconnect the chassis cable from the battery
first and reconnect it last.
Do not make a bridge short circuit across the
starter relay to run the starter.
Never use the machine indoors or in spaces
lacking proper ventilation. The exhaust fumes
contain carbon monoxide, an odorless,
poisonous, and lethal gas.
•
Stop and inspect the equipment if you run over
or into anything. If necessary, make repairs
before starting.
English – 15
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SAFETY INSTRUCTIONS
•
•
Never make adjustments with the engine
running.
The machine is tested and approved only with
the equipment originally provided or
recommended by the manufacturer. Only use
approved repair parts for the machine.
•
The blades are sharp and can cause cuts and
gashes. Wrap the blades or use protective
gloves when handling them.
•
•
Check the parking brake’s functionality regularly.
Adjust and service as necessary.
The mulch blades should only be used in
familiar areas when higher quality mowing is
desired.
8010-061
•
•
Reduce the risk of fire by removing grass,
leaves, and other debris that may have
accumulated on the machine. Allow the machine
to cool before putting it in storage.
Clean the machine regularly
Regularly clean deck and underside of deck,
avoid spraying engine and electrical
components with water.
Transport
•
The machine is heavy and can cause serious
crushing injuries. Be extra cautious when it is
loaded on or unloaded from a vehicle or trailer.
•
Use an approved trailer to transport the
machine. Activate the parking brake, turn off the
fuel supply, and fasten the machine with
approved fastening devices, such as bands,
chains, or straps, when transporting.
•
•
Do not operate this machine on public roadways.
Check and abide by local traffic regulations
before transporting the machine on any road.
•
•
Do not tow this machine, it may cause damage
to the drive system.
Do not tow any trailers, etc. with this mower.
They may jackknife or overturn causing damage
to the mower and possibly serious injury to the
operator.
IMPORTANT INFORMATION
The parking brake is not sufficient to lock
the machine in place during transport.
Ensure that the machine is well fastened
to the transport vehicle. Always reverse
the machine onto the transport vehicle to
avoid tipping it over.
16 – English
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SAFETY INSTRUCTIONS
Customer responsibilities
•
•
Read and observe the safety rules.
Follow a regular schedule in maintaining, caring
for and using your mower.
•
•
Follow the instructions under “Maintenance” and
“Storage” sections of this owner’s manual.
This machine has no brain. Use yours!
WARNING!
This mower is equipped with an internal combustion engine and should not be
used on or near any unimproved forest-covered, bush-covered or grass-covered
land unless the engine’s exhaust system is equipped with a spark arrester
meeting applicable local or state laws (if any). If a spark arrester is used, it should
be maintained in effective working order by the operator
A spark arrester for the muffler is available through your authorized Husqvarna dealer.
English – 17
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CONTROLS
Congratulations on your choice of a top quality
product which you will enjoy for many years.
by a hydrostatic gearbox, which allows variable
variation of the speed by using the pedals.
This operator’s manual describes Rider 155 and
Rider 155 AWD. The machines are equipped with a
15.5 horse power engine from Kohler.
There is one pedal for driving forwards and one
pedal for reversing.
Rider 155 AWD also features all wheel drive.
The power transmission from the engine is handled
Location of the controls
9.
Knobs for adjusting seat
Fuel tank cap
xx
xx
1.
2.
3.
4.
5.
6.
7.
8.
Ignition lock
xx
xx
xx
xx
xx
xx
xx
xx
10.
Throttle/Choke lever
11. Lever to disengage the driving
front axle 155 AWD
xx
xx
Adjustment of cutting height
Lifting lever, cutting unit
Speed limiter for reversing
Speed limiter for driving forwards
Parking brake
12. Main lock (under seat)
13. Lever for disengagement of
drive Rider 155
xx
xx
Lever to disengage the driving
rear axle 155 AWD
Lock button for parking brake
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CONTROLS
Throttle and Choke lever
The engine speed is adjusted with the throttle
control, and thereby also the rotation speed of the
blades.
The control is also used to activate the choke
function. When the choke is used the engine
receives a richer mixture of fuel and air, which
simplifies cold start.
6004-004H
Speed limiter
2
1
The speed of the machine is steplessly regulated
with two pedals. Pedal (1) is used to drive forwards
and pedal (2) for reversing.
WARNING!
Make sure that branches do not
obstruct the pedals when mowing
under bushes, otherwise you may
lose control.
6017-214A
Parking brake
The parking brake is activated as follows:
1. Press down the parking brake pedal (1).
2
2. Press in the lock button (2) on the steering
column.
3. Release the parking brake pedal while keeping
the button pressed in.
The parking brake lock is automatically disengaged
when the parking brake pedal is pressed down.
1
6017-011
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CONTROLS
Cutting unit
Rider 155 and Rider 155 AWD are equipped with a
cutting unit.
Combi
- 1030 mm/41"
See ”Maintenance \ Checking the Blades” for
identification of the cutting unit.
6017-214
Lift lever for the cutting unit
The lift lever is used to set the cutting unit in trans-
port or cutting position.
If the lever is pulled back the unit will lift up and the
blades will automatically stop rotating (transport
position).
If the lock button is pressed and the lever is moved
forward the unit will be lowered and the blades will
automatically start rotating (cutting position).
The lever can also be used to temporarily regulate
the cutting height, e.g. for a small mound in the
lawn.
6004-011H
Lifting of the cutting unit (transport position)
6004-012H
Lowering of the cutting unit (cutting position)
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CONTROLS
Lever for adjustment of cutting height
With this lever the cutting height can be adjusted to
9 different positions.
Combi,
40-90 mm
(1 9/16" - 3 9/16")
IMPORTANT INFORMATION
In order to obtain an even cutting height it
is important that the air pressure in all four
tires is the same 8,5 psi (0,6 bar).
6004-013H
Seat
The seat has a jointed attachment on the front
edge and can be tipped forward.
The seat can also be adjusted lengthways.
Release the knobs under the seat and adjust it
forwards or backwards to the required position.
Lock the setting with the knobs.
Refueling
The machine has one fuel tank, just behind the
seat. The tank capacity is 1,8 gallons (7 liters).
The engine will run on a minimum of 85-octane
unleaded gasoline (no oil mix). Environmentally
adapted alkylate gasoline can be used. See also
Technical Data concerning ethanol fuel. Methanol
fuel is not allowed.
6004-014H
WARNING!
Gasoline is highly flammable.
Observe caution and fill the tank
outdoors (see the safety rules).
WARNING!
The engine and the exhaust
system, become very hot during
operation. Risk for burns if
touched. Allow engine and
exhaust system to cool at least
two (2) minutes before refueling.
WARNING!
6004-015
Fill to bottom of filler neck. Do not
overfill. Wipe off any spilled oil or
fuel. Do not store, spill or use
gasoline near an open flame.
When operating in temperatures below 32° (0° C.),
use fresh, clean winter grade gasoline to help
insure good cold weather starting.
English – 21
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OPERATION
IMPORTANT INFORMATION
The air intake grille in the engine cover
behind the driver’s seat must not be
blocked by, for example, clothing, leaves,
grass or dirt.
Impaired cooling of the engine. Risk of
major engine damage.
8009-431
Before starting
•
Read the safety instructions and information on
the location and function of the controls before
starting (see pages 5-14).
•
Conduct daily maintenance before starting (see
maintenance schedule on page 20).
6007-001H
Starting the engine
1. Lift up the cutting unit by pulling the lever
backwards to locked position (transport position).
2
2. Apply the parking brake. This is done as follows:
•
•
Press down the parking brake pedal (1).
Press in the lock button on the steering
column (2).
•
Release the parking brake pedal while
keeping the button pressed in.
1
Rider 155 AWD. The engine can not be
started if the parking brake is not pressed down.
6017-011
The parking brake lock is automatically disengaged
when the parking brake pedal is pressed down.
Cold engine:
3. Push the throttle control to position 3 (choke
position). In this position the engine receives a
richer mixture so that the engine starts more
easily.
2
1
3
6007-004H
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OPERATION
Warm engine:
4. Set the throttle control midway between position
1 and 2.
2
1
3
6007-005H
5. Turn the ignition key to start position.
STOP START
IMPORTANT INFORMATION
Do not run the starter for more than about
10 seconds at a time. If the engine does
not start, wait about 60 seconds before
trying again.
6007-006
6. When the engine has started immediately
release the ignition key to neutral position.
Push the throttle control to the required speed.
For cutting 3/4 to full throttle.
STOP START
WARNING!
Engine exhaust and certain
vehicle components contain or
emit chemicals considered to
cause cancer, birth defects, or
other reproductive system
damage. The engine exhaust
contains carbon monoxide,
which is an odorless, colorless,
poisonous gas. Do not use the
machine in enclosed spaces.
6007-007
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OPERATION
To start an engine with a weak battery
WARNING!
Lead-acid batteries generate
explosive gases. Keep sparks,
flame and smoking materials
away from batteries. Always wear
eye protection when around
batteries.
If your battery is too weak to start the engine, it
should be recharged.
If “jumper cables” are used for emergency starting,
follow this procedure:
IMPORTANT INFORMATION
Your mower is equipped with a 12-volt
negative grounded system. The other
vehicle must also be a 12-volt negative
grounded system. Do not use your
mower battery to start other vehicles.
To attach jumper cables
•
•
•
Connect each end of the RED cable to the
POSITIVE (+) terminal on each battery, taking
care not to short against chassis.
Connect one end of the BLACK cable to the
NEGATIVE (-) terminal of the fully charged
battery.
Connect the other end of the BLACK cable to a
good CHASSIS GROUND, away from the fuel
tank and battery.
To remove cables, reverse order
•
BLACK cable first from chassis and then from
the fully charged battery.
•
RED cable last from both batteries.
8011-642
Jumper cables connection
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OPERATION
Running
1. Release the parking brake by pressing down the
parking brake pedeal and then releasing it.
6017-012
2. Carefully press down one of the pedals until the
correct speed is reached.
2
1
To drive forwards: press down pedal (1).
To reverse: press down pedal (2).
6017-214A
3. Select the required cutting height (1-9) with the
cutting height lever.
To obtain a uniform cutting height it is important
that the tyre pressures are equal on both front
wheels 60 kPa/8.5 PSI.
6007-008H
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OPERATION
4. Push in the lock button on the lift lever and
lower down the cutting unit.
IMPORTANT INFORMATION
The service-life of the drive belts
increases considerably if the engine is
run at low speed when engaging the
blades. For this reason do not increase
the throttle until the cutting unit has been
lowered to the cutting position.
WARNING!
6007-009H
Ensure that no one is near the
machine when engaging the
blades.
Moving tips
•
The best lawns are achieved if the grass is cut
•
•
•
Localise and mark stones and other fixed
objects to avoid collision.
often. Mowing becomes more uniform and the
grass cuttings become more evenly distributed
over the surface. The total time consumption is
not greater since it is possible to select a higher
driving speed without inferior mowing results.
Start with a high cutting height and reduce down
until the required cutting result are obtained.
The cutting results are best with a high engine
speed (fast rotating blades) and low driving
speed (slow moving machine). If the grass is not
too high and thick, the driving speed can be
increased without noticeably depreciating the
mowing result.
•
•
Avoid mowing a wet lawn. The mowing results
are inferior since the wheels sink down into the
soft lawn.
Wash down the underside of the cutting unit with
water after use. Do not use a high pressure jet.
Put the cutting unit in the service position while
doing this.
•
If you use the BioClip unit it is important to mow
the grass regularly.
WARNING!
Clear the lawn from stones and
other object which can be thrown
out by the blades.
6007-212
Mowing pattern
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OPERATION
WARNING!
Never drive the machine on
ground with a slope of more than
10°. Mow slopes upwards and
downwards, never across. Avoid
sudden changes in direction.
Operating on hills
MAX 10
Read the Safety Instructions “Driving on
Slopes” in the “Safety Instructions”.
6017-247
•
The slowest speed possible should be used
before starting up or down hills.
•
•
Avoid stopping or changing speed on hills.
If stopping is absolutely necessary engage the
parking brake.
•
•
To restart movement, release the parking brake.
Make all turns slowly.
Stopping the engine
Preferably allow the engine to idle for a minute to
obtain normal working temperature before stopping
it if it has been working hard.
1. Lift up the cutting unit by pulling the lever back
to the end position.
6007-014H
2. Pull back the throttle control and turn the ignition
key to the STOP position.
3. When the Rider is at a standstill, press down the
parking brake and push in the locking button.
STOP START
6007-015
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OPERATION
Release lever
The release control must be pulled out in order for
the Rider to be moved when the engine is shutoff.
6007-217H
Pro 155 AWD has one control for the front axle and
one control for the rear axle.
Pull the controls to their end positions. Do not use
an intermediate position.
Rear Axle
The control is positioned on the inside of the left
rear wheel.
• Control pulled out, drive system disengaged.
• Control pushed in, drive system engaged.
6021-028
Rider 155 AWD rear
Front Axle
The control is positioned on the inside of the left
front wheel.
• Rear control (pulled out), drive system disengaged.
• Forward control (pushed in), drive system
engaged.
Rider 155 AWD front
6021-
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MAINTENANCE
Maintenance schedule
The following is a list of the maintenance which should be conducted on the machine. For the items which
are not described in these instructions go to an authorised service workshop.An annual service carried out
by an authorized service workshop is recommended to maintain your machine in the best possible condition
and to ensure safe operation.
Read “Maintenance” in the Safety Instructions section.
Maintenance interval
in hours
At least
once
a year
Daily
mainte-
nance
Maintenance
Page
25 50 100 200
before start
Cleaning
27
45
36
29
33
35
–
●
●
●
●
●
●
●
●
●
Check the engine’s oil level
Check the engine’s cooling air inlet
Check the steering wires
Check the battery
Check the safety system
Check screws and nuts
Check for fuel and oil leakage
Clean around the silencer
Check the silencer
Change the engine oil 1)
Replace the air filter’s prefilter2)
–
–
31
45
32
38
36
47
47
–
●
● ●
●
1)
1)
Check the cutting unit
●
●
Check the tyre pressures 60 kPa//8.5 PSI
Lubricating the belt adjuster 3)
Lubricate joints and shafts 3)
Check the V-belts
●
●
●
Check the hydrostat’s cooling fins
Check the transmission’s oil level
Adjust the parking brakes
Check and adjust the throttle wire
Clean the engine’s and hydrostat’s cooling flanges 2,4)
Replace the air filter’s pre-filter and paper filter 2)
Replace the fuel filter
–
●
46
30
31
–
●
●
●
●
32
32
34
●
●
●
Replace the plug
Check the need of an oil change 4,5) in
the gearbox/hydraulic system
–
●
●
1) First change after 5 hours. Replace after every 25 hours with heavy loads or high temperatures.2) During dusty conditions cleaning and
replacement should be more frequent. 3) For daily use of the machine lubrication should be conducted twice a week. 4) Conducted by
authorised service workshop.5) Rider 155 AWD only. Replace first after 8 hours.
● = Described in these instructions.
● = Not described in these instructions.
WARNING!
No service procedures must be conducted on the engine or cutting unit unless:
•
•
•
•
•
The engine is switched off.
The ignition key is removed.
The ignition cable is removed from the plug.
The parking brake is applied.
The cutting unit is disengaged.
Note: Specific written instructions shall be provided with the equipment for
servicing operations, recommended by the manufacturer, that shall be performed
with the engine running.
English – 29
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MAINTENANCE
Cleaning and washing
Clean the machine directly after use.
It is much easier to wash off grass cuttings before
they dry.
Oily dirt can be removed using a cold degreasing
agent. Spray on a thin layer.
Rinse at normal water pressure.
8009-741
Do not direct the jet towards electrical components
or bearings.
Do not rinse hot surfaces, for example, the engine
and exhaust system.
It is recommended that you start the engine and run
the mower for a short period after cleaning, so that
any remaining water is blown off.
Lubricate the machine if necessary after cleaning.
Carry out extra lubrication when the bearings have
been exposed to a degreaser or a water jet.
IMPORTANT INFORMATION
Avoid using a high pressure washer or a
steam cleaner
There is a major risk of water penetrating into
bearings and electrical connections. Corrosion
attack can result, which will lead to running
problems. Cleaning additives generally aggravate
the damage.
30 – English
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MAINTENANCE
Dismantling of the machine hoods
Engine hood
The engine is accessible for servicing when the
engine hood is lifted up.
Tilt the seat forward, release the rubber strap under
the seat, and tilt the hood backwards.
6008-001
Front hood
Release the clip on the front hood and lift off the
hood.
6021-006
Right-hand fender
Remove the knob (1), the screws (2 and 3) and lift
off the fender.
3
2
1
6017-003
Left-hand fender
Release the screws in the fender (2) and lift off the
fender.
6017-013
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MAINTENANCE
Checking and adjustment of the
steering wires
The steering is controlled by means of wires.
These can in time become slack, which implies that
the adjustment of the steering becomes altered.
Check and adjust the steering as follows:
1. Dismantle the frame-plate by releasing the
screws (two on each side).
6008-008H
2. Check the tension of the steering wires by
pushing them together as shown in the dia-
gram. It should be possible to push them
together so that the distance between them is
half as much, without using unnecessary force.
6008-009
3. If necessary, the wires can be adjusted by
tightening the adjuster nuts on each side of the
steering collar. Do not tension the wires too
much, they should only be tightened against the
steering collar.
Support the wire so it does not twist.
If you tension only one side the steering wheel’s
centre position may change.
Check the wire tension as set out in point 2
after you have made the adjustment.
6008-010
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MAINTENANCE
Adjusting the parking brake
The parking brake is adjusted as follows:
1. Loosen the locking nuts (1).
2. Tension the cable using the adjuster screw (2)
until the play in the cable is taken up.
3. Tighten the locking nuts (1).
4. The parking brake should be checked again
after the adjustment has been made.
WARNING!
6008-239H
A poorly adjusted parking brake
can result in reduced braking
ability and cause an accident.
Adjusting the Parking Brake
Rider 155 AWD
Check that the parking brake is adjusted correctly
by placing the machine on a slope with the front
and rear axles disengaged. Apply and lock the
parking brake. When the machine does not stand
still, the parking brake should be adjusted accord-
ing to the following.
1. Remove the left-hand wing cover.
2. Loosen the locking nuts (1).
8009-501
3. Tension the cable using the adjuster screw (2)
until the play in the cable is taken up.
4. Tighten the locking nuts (1).
5. The parking brake should be checked again
after the adjustment has been made.
6. Assemble the left-hand wing cover.
WARNING!
A poorly adjusted parking brake
can result in reduced braking ability
and cause an accident.
6021-031
English – 33
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MAINTENANCE
Adjusting the throttle wire
If the engine does not respond as it should do when
the throttle lever is moved or if the top speed is not
reached, the throttle wire may need adjusting.
1. Loosen the clamping screw (by the arrow), and
slide the throttle to the choke position.
8009-455
2. Pull the throttle wire’s casing as far as possible
to the right and check that the choke is fully
actuated.
3. Tighten the clamping screw.
8009-469
4. Pull back the throttle to the full throttle position
and check that the choke is no longer actuated.
8009-456
Inspecting the muffler
Check regularly that the muffler is complete and
secured correctly.
Temperature variations and vibrations can mean
that the tightening torque for the screws drops. The
screws should be checked when servicing to
guarantee the correct torque. The tightening torque
should be about 10 Nm. Never use a defective
muffler.
WARNING!!
The muffler gets very hot in use
and remains so for a short time
afterwards. Contact can result in
burns. Remember the risk of fire.
8009-683
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MAINTENANCE
Replacement of the fuel filter
Replace the pipe fitted fuel filter every 100 running
hours (once per season) or more frequently if it is
clogged.
Replace the filter as follows:
1. Fold open the engine cover.
2. Move the hose clips away from the filter. Use a
pair of flat pliers.
3. Pull off the filter from the hose ends.
4. Press in the new filter on the hose ends. If
necessary soap solution can be applied on the
filter ends to simplify fitting.
8009-457
5. Push the hose clips back on the filter.
Replacing the air filter
If the engine seems to lack power or goes
irregularly the reason may be that the air filter is
clogged.
It is therefore important to replace the air filter at
regular intervals (see ”Maintenance schedule” for
correct service interval).
1. Fold open the engine cover.
Unscrew the wing nut (A) on top of the air filter and
remove the cover.
8009-458
3. Carefully remove the precleaner. Wash and
reoil the precleaner every 25 hours of opera-
tion. Wash the precleaner in warm water with
detergent. Rinse precleaner with clear warm
water. Squeeze water out (do not wring to
avoid tearing). Allow to dry before lightly oiling
with fresh engine oil and installing it over the
paper filter.
IMPORTANT INFORMATION
Do not use compressed air to clean the
paper filter.
Filters should not be oiled. They should be
assembled dry.
8009-459
4. Replace the paper filter every 100 hours or if it
is clogged with dirt. Unscrew the wing nut (B)
and remove the paper filter.
WARNING!
The engine and the exhaust
system, become very hot during
operation. Risk for burns if
touched. Allow engine and
exhaust system to cool at least
two (2) minutes before refueling.
8009-460
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MAINTENANCE
5. The paper filter may be carefully tapped on a
hard surface to remove dust. Do not try to wash
or blow it with compressed air.
8009-461
6. Insert the paper filter and check that it is correct
sealed to its seat. Tighten the paper filter wing
nut and install the precleaner over the paper
filter.
7. Fit the air filter cover and tighten its wing nut.
8009-462
Check the level of the battery acid
Always use protective glasses when
handling the battery.
Check that the level of the battery acid lies between
the markings. Top up the cells with only distilled
water.
WARNING!
Procedures on contact with acid
6008-013
External: Rinse well with plenty of water.
Internal: Drink large quantities of water or
milk. Contact a doctor as soon as
possible.
Eyes:
Rinse well with plenty of water.
Contact a doctor as soon as possible.
Batteries emit explosive gas. Sparks, flames
and cigarettes must absolutely not be
brought into the vicinity of the battery.
WARNING!
Do not short battery terminals by
allowing a wrench or any other
object to contact both terminals at
the same time. Before connecting
battery, remove metal bracelets,
wristwatch bands, rings, etc.
Positive terminal must be
connected first to prevent sparks
from accidental grounding.
36 – English
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MAINTENANCE
Ignition system
The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance.
For recommended spark plug, see chapter ”Technical data”.
IMPORTANT INFORMATION
Fitting the wrong spark plug type can damage the engine.
1. Remove the ignition cable shoe and clean around the spark plug.
2. Remove the spark plug with a 5/8" (16 mm) spark plug socket wrench.
3. Check the spark plug. Replace the spark plug if the electrodes are burned or if the insulation is cracked
or damaged. Clean the spark plug with a steel brush if it is to be reused.
4. Measure the electrode gap with a gapping tool. The gap should be 1,02 mm/0.040". Adjust as necessary
by bending the side electrode.
5. Reinsert the spark plug, turning by hand to avoid damaging the threads.
6. After the spark plug is seated, tighten it with 38-43 Nm (28-32 lbft).
7. Replace the ignition cable shoe.
IMPORTANT INFORMATION
Inadequately tightened spark plugs can cause overheating and damage the engine. Tightening the
spark plug too much can damage the threads in the cylinder head.
IMPORTANT INFORMATION
Do not turn over the engine if the spark plug or ignition cable has been removed.
English – 37
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MAINTENANCE
Make daily inspections to ensure that the safety
Checking the safety system
system works by attempting to start the engine
when one of the conditions is not met. Change the
conditions and try again.
The machin is equipped with a safety system that
prevents starting or driving under the following
conditions:
Check that the engine stops if you temporarily move
out off the driver’s seat while the cutting unit is
lowered or the hydrostat pedals are not in the
neutral position.
Rider 155. The engine should only be possible to
start when the cutting unit is in its raised position
and the hydrostat pedals are in the neutral position.
Rider 155 AWD The engine should only be
possible to start when the cutting unit is in its raised
position and the parking brake is applied.
Start engine
Works
The driver does not need to be seated in the
driver’s seat.
Ignition system
Does not work
Rider 155
Rider 155 AWD
38 – English
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MAINTENANCE
Main fuse
The fuse is located in a loose holder under the
battery case cover, in front of the battery.
Type: Flat-blade mounting, 15 A.
Do not use any other type of fuse when replacing.
A blown fuse indicates that the mounting has burnt
off. Pull the fuse out of the holder when replacing.
The fuse is used to protect the electrical system. If
it blows again shortly after replacing this is due to a
short circuit, which must be rectified before the
machine is used again.
8009-370
Checking the tire pressure
The tire pressure should be 60 kPa (0.6 kp/cm2/8.5 PSI)
all round.
To improve driving the pressure on the rear tires
can be reduced to 40 kPa (0.4 kp/cm2/5.6 PSI).
The maximum tire pressure is 100 kPa
(1.0 kp/cm2/14 PSI).
IMPORTANT INFORMATION
Different tyre pressures on the front tyres
will result in the blades cutting the grass
at different heights.
6008-030
Check the engine’s cooling air intake
Clean the air intake grille in the engine cover
behind the driver’s seat.
Fold open the engine cover.
Check that the cooling intake is free from leaves,
grass and dirt.
Check the air duct, located on the inside of the
engine cover, ensure it is clean and does not rub
against the cooling air intake.
8009-431
Air intake grille
If the cooling intake is blocked this will interfere with
the cooling of the engine, which can damage the
engine.
WARNING!
The cooling air intake rotates
when the engine is running. Mind
your fingers.
8009-470
Cooling air intake
English – 39
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MAINTENANCE
WARNING!
Before performing any service or
adjustment checklist:
3
1. Engage the parking brake.
2. Place the Blade-switch in the
disengaged position.
3. Turn ignition switch to “OFF”
position and remove the key.
4. Make sure the blades and all
moving parts have completely
stopped.
5. Disconnect the spark plug wire
from all spark plugs and place
the wire where it cannot come
in contact with the plug.
1
2
6017-159
Fitting the cutting unit
1. Place the Rider on a flat surface and apply the
parking brake. Check that the lever for setting the
cutting height is in the lowest position.
Make sure the support wheels are fitted to the
cutting unit (1).
2. Grasp the handle at the front (BioClip 90) or hold
the frame of the cutting unit (2) and slide the unit
underneath the rider mower, making sure that
the tongue on the cutting unit (3) engages
correctly.
8009-438
3. Insert the bolt and secure it with a locking pin.
WARNING!
Observe caution to avoid trapping
your hand.
6017-120
4. Press down the frame and insert the pin. Fit the
drive belt around the drive wheels of the cutting
unit.
5. Hook up the height adjustment strut.
6. Fit the front cover.
7. Secure the collet’s spring, see ring in the
diagram below.
6017-160
40 – English
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MAINTENANCE
Checking and adjustment of the cutting
unit’s ground pressure
To achieve the best cutting results the cutting unit
should follow the underlying surface without pres-
sing too hard against it.
The pressure is adjusted with a screw on each side
of the machine.
1. Check the air pressure in the tyres 60 kPa
(0.6 kp/cm2/8.5 PSI).
2. Place the Rider on a flat surface.
6021-004
3. Put the lifting lever in the mowing position.
4. Place a set of bathroom scales under the cutting
unit’s frame (front edge) so that it rests on the
scales. If necessary a block can be placed
between the frame and scales so that the
support wheels do not bear any weight.
5. Adjust the unit’s ground pressure by screwing in
or out the adjusting screws located behind the
front wheels on both sides.
The ground pressure should be between
12 and 15 kg (26.5-33 lb).
6008-019
Checking the cutting unit’s parallelism
Check the parallelism of the cutting unit as follows:
1. Check the air pressure in the tyres 60 kPa
(0.6 kp/cm2/8.5 PSI).
2. Place the machine on a level surface.
3. Put the lifting lever in the mowing position.
4. Measure the distance between the ground and
the front and rear edges of the cutting unit hood.
The cutting unit should slope forwards slightly so
that the rear edge is 2-4 mm (1/8") higher than
the front edge.
6021-005
English – 41
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MAINTENANCE
Adjusting the parallelism of the cutting
unit
1. Remove the front hood and the right-hand
fender, as described on page 21.
2. Undo the nuts on the lift strut.
3. Screw out (extend) the stay to raise the rear
edge of the cover.
Screw in (shorten) the stay to lower the rear
edge of the cover.
4. Tighten the nuts after adjustment.
5. On completion of the adjustment the unit’s
parallelism should be re-checked.
6017-018
6. Fit the right-hand fender and the front hood.
Removing the cutting unit
2
WARNING!
Wear protective glasses when
dismantling the cutting unit. The
spring which tensions up the belt
can go off and cause personal
injury.
1
1. Carry out points 1-9 to put the cutting unit in the
service position, see “Service position for the
cutting unit” on page 33.
3
2. Remove the bolt (3) and lift off the cutting unit.
6017-021
Fitting of the cutting unit takes place in the reverse
order to removal.
When assembling: Make sure that the unit’s “lug”
enters the loop correctly on the underside of the
machine.
8009-123
42 – English
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MAINTENANCE
Belt replacement on the cutting unit
On these cutting units with "collision-proof" blades,
the blades are driven by one V-belt. Do as follows to
change the V-belt:
1. Remove the cutting unit, see page 38.
2. Undo the bolt on the lift strut and the two screws
on the cover. Lift the cover off the cutting unit.
3. Loosen the spring that tensions the V-belt and
pry off the belt.
Simply reverse the procedure to fit the new belt.
8009-287
6012-080
Service position for the cutting unit
The cutting head can be placed in the service
position to provide easy access for cleaning, repairs
and servicing. In service position, the cutting unit is
raised and locked in the vertical position.
Placing in service position
1. Position the machine on flat ground. Apply the
parking brake (A). Adjust the cutting unit to the
lowest cutting height and lower the cutting unit
(B).
8009-437
2. Remove the front hood by removing the pin.
(There are complete instructions on using the
service position inside the front hood).
6021-006
English – 43
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MAINTENANCE
3. Remove the two support wheels from under the
front hood.
6017-220
4. Fit the support wheels on either side of the rear
of the cutting unit.
WARNING!
Wear protective glasses when
dismantling the cutting unit. The
spring which tensions up the belt
can go off and cause personal
injury.
6017-221
5. Disengage the spring for the drive belt
tensioning wheel.
6017-222
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MAINTENANCE
6. Place a foot on the front edge of the cutting unit
near the wheel and raise the front edge of the
unit to make it easier to remove the lift strut.
Engage the strut in the holder.
8009-122
6017-223
WARNING!
Observe caution to avoid
trapping your hand.
1
7. Lift off the drive belt (1). Then pull out the pin
(2).
2
6017-225
8. Pull the frame forwards and refit the pin.
6017-226
English – 45
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MAINTENANCE
9. Grasp the front edge of the cutting unit, pull out
and raise into the service position.
If the cylindrical bolt, which is now holding the
cutting unit is removed, the cutting unit can be
lifted off.
6017-227
Restoring from service position
To leave the service position, reverse the
procedures set out in “Placing in the service
position”. Make sure that the cutting unit’s ”lug”
enters the loop correctly on the underside of the
machine, see diagram.
8009-123
Checking the blades
To achieve the best mowing results it is important
that the blades are undamaged and well-sharpened.
Check that the blades’ attachment screws are tight.
IMPORTANT INFORMATION
Replacing or sharpening the blades
should be conducted by an authorised
service workshop.
8009-288
Combi 103
The blades should be balanced after sharpening.
Damaged blades should be replaced when hitting
obstacles that result in a breakdown. Let the
servicing dealer judge whether the blade can be
repaired/ground or must be discarded.
WARNING!
Blades are sharp. Protect your
hands with gloves and/or wrap
blades with a heavy cloth when
handling.
46 – English
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MAINTENANCE
Removal of BioClip plug (Combi)
To change a Combi unit from BioClip function to
cutting unit with rear ejection, remove the BioClip
plug located under the unit with three screws.
1. Put the unit in the service position, see "Placing
in the service position".
2. Remove the three screws holding the BioClip
plug, and remove the plug.
3. Tip: Fit three full-thread screws M8x15 mm in
the screw holes to protect the threads.
4. Replace the unit in normal position.
6017-227
Service position
Fit the BioClip plug in the reverse order.
Removal of BioClip plug
8009-289
English – 47
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LUBRICATION
Check the engine’s oil level
Check the oil level in the engine when the Rider
stands horizontal with the engine switched off.
Fold open the engine cover.
Release the dip stick and pull out. Wipe off the oil
and insert again.
The dip stick must be fully screwed down.
Now release the dip stick again and pull out. Check
the oil level.
The oil level should be between the markings on
dip stick. If the level approaches the ADD mark, top
up with oil to the FULL mark.
8009-471
The oil is filled in the same hole as for the dip stick.
Fill the oil slowly. Tighten the dipstick correctly
before starting the engine. Start and run the engine
at idling speed for approx. 30 seconds. Turn off the
engine. Wait 30 seconds and check oil level. If
necessary fill so that the oil comes up to the ”FULL”
mark on the dipstick.
First and foremost use synthetic engine oil class
SJ-CF 5W/30 or 10W/30 for all temperature ranges.
Mineral oil SAE30, class SF–CC can be used at
temperatures > +5°C (40°F).
Do not mix different types of oil.
8009-464
Changing the oil
The oil should be changed for the first time after 5
hours of running time. Thereafter it should be
changed every 50 hours of running time.
With heavy loads or high temperatures replace the
oil after every 25 hours.
WARNING!
Engine oil can be very hot if it is
drained off directly after the engine
is stopped. Therefore allow the
engine to cool down first.
8009-465
1. Place a receptacle under the engine’s drain
plug, located on the left-hand side of the engine.
2. Remove the dip stick and drain plug (A).
3. Let the oil run out into the receptacle.
4. Fit the drain plug and tighten.
IMPORTANT INFORMATION
5. Fill up with oil to the FULL mark on the dip stick.
The oil is filled in the same hole for the dip stick.
See ”Checking the engine’s oil level” above for
filling instructions. The engine holds 1.9 litres
(1.8 USqt) of oil.
Used engine oil is hazardous to health and
environment and must in accordance with
the law not be poured out on the ground
or in the nature, and must be handed in to
a workshop or other designated station for
treatment. Avoid skin contact, wash with
soap and water in the event of spillage.
6. Run the engine warm and then check that there
is no leakage from the drain plug.
48 – English
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LUBRICATION
Change of oil filter
Replace oil filter every 200 operating hours. Drain
oil first using the plug on the filter base. Remove
the old filter using an oil filter tool. Lightly coat
rubber gasket with new oil, then install filter by
turning it to the right until hand tight. Tighten the
filter an additional 1/2 turn. Check that the drain
plug is reinstalled before starting the engine.
Start engine and check for leakage.
8009-466
Check the transmission’s oil level
1. Remove the transmission cover. Loosen both
screws (one on each side) and lift off the trans-
mission cover.
6008-039H
6008-039H
Rider 155 AWD
2. Check that there is oil in the transmission’s oil
tank. Fill if necessary with engine oil.
Rider 155: SAE 10W/30 (class SF–CC).
Rider 155 AWD: SAE 10W/40 (class SF–CC).
The oil should be changed by an authorised service
workshop, and is described in the Workshop
Manual.
The filter is replaced at the same time as changing
the oil.
Work on the system entails particular demands on
cleanliness and the system must be vented before
the machine is used.
6008-240H
English – 49
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LUBRICATION
Lubricating the belt adjuster
The belt adjuster should be lubricated regularly
using good quality molybdenum disulphide
grease*.
1 nipple from the right-hand side under the engine’s
lower belt pulley, until grease is forced out.
With daily use lubrication should be conducted
twice a week.
6008-232
General lubrication
All joints and bearings are lubricated on
manufacture with molybdenum sulphide grease.
Re-grease with same type of grease*. Lubricate the
steering and control wires with engine oil.
The machine should be lubricated regularly, and
twice a week when used daily.
* Grease from well-known brand names (petrol
companies, etc.) usually maintains a good quality.
The most important property is that the grease
provides good protection against corrosion.
50 – English
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TROUBLE SHOOTING SCHEDULE
Problem
Procedure
Engine will not start.
•
•
•
•
Fuel tank empty.
Spark Plug defective.
Spark Plug connection defective.
Dirt in carburettor or fuel pipe.
Starter does not pull round engine.
•
•
•
•
Battery flat.
Bad contact between cable and battery terminal.
Lift lever for cutting unit in wrong position.
Main fuse blown. The fuse is placed in front of the
battery, under the battery cover.
•
•
•
Ignition lock faulty.
Gear shift/hydrostat pedal not in neutral.
Hydrostat pedals not in the neutral position
Engine does not run smoothly.
•
•
•
•
•
•
•
Wrong gear, too high.
Carburettor incorrectly set.
Air filter clogged.
Fuel tank vent blocked.
Ignition setting defective.
Dirt in fuel pipe.
Choking or incorrectly adjusted throttle cable
Engine seems to have no power.
•
•
•
•
•
Air filter clogged.
Spark Plug defective.
Dirt in carburettor or fuel pipe.
Carburettor incorrectly set.
Choking or incorrectly adjusted throttle cable
Engine overheats.
•
•
•
•
•
•
Engine overloaded.
Air intake or cooling flanges blocked.
Fan damaged.
Too little or no oil in engine.
Ignition defective.
Spark Plug defective.
Battery does not charge.
Machine vibrates.
•
•
One or more cells faulty
Bad contact between battery terminals and cables.
•
•
•
Blades are loose.
Engine is loose.
Imbalance on one or more blades, resulting from
damage or inferior balancing after sharpening.
Uneven mowing.
•
•
•
•
•
•
•
Blades blunt.
Cutting unit skew.
Long or wet grass.
Grass blockage under hood.
Different tyre pressures on right and left sides.
Over-speeding
Drive belts slipping.
English – 51
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STORAGE
Winter storage
To put the machine in order for storage follow these
instructions:
At the end of the season the machine should
immediately be put in order for storage, also if it is
going to stand idle for more than 30 days. Fuel
which is left to stand for long periods (30 days or
more) can leave tacky deposits which can block
the carburettor and interfere with the engine.
1. Carefully clean the machine, especially under
the cutting unit. Touch-up paint damage to avoid
rust.
2. Inspect the machine for worn or damaged parts
and tighten loose screws and nuts.
Fuel stabiliser is an acceptable alternative to avoid
tacky deposits during storage. If alkylate petrol
(Aspen) is used stabiliser is not necessary since
this fuel is stable. However, one should avoid
changing from standard to alkylate petrol since
sensitive rubber parts can harden. Add stabiliser to
the fuel in the tank or the storage container. Always
use the mixing ratios indicated by the manufacturer.
Run the engine for at least 10 minutes after adding
the stabiliser so that it will reach the carburettor. Do
not empty the fuel tank and carburettor if stabiliser
has been added.
3. Change the oil, and take care of the waste oil.
4. Empty the fuel tank. Start the engine and run it
until the carburettor is emptied of fuel.
5. Remove the spark plug and pour about a
tablespoon of engine oil in the cylinder. Turn
over the engine so that the oil is evenly
distributed and then refit the spark plug.
6. Grease all grease nipples, joints and axles.
7. Remove the battery. Clean it, charge it, and
store it in a cool place.
8. Store the machine in a clean and dry place and
cover it for extra protection.
WARNING!
Never place an engine with fuel in
the tank indoors or in poorly
ventilated areas where gasoline
fumes can come into contact with
naked flames, sparks or pilot
flames in boilers, hot water
heaters, or drying cabinets, etc. It
is very flammable and careless
usage can cause serious person
injury and property damage.
Drain off the fuel in an approved
container outdoors and well clear
of naked flames. Never use
gasoline for cleaning purposes.
Use degreasing agents and hot
water instead.
Cover
There is a cover to protect your machine during
storage or transport. Contact your dealer for a
demonstration.
Service
When ordering spare parts, always state the
purchase year, model, type, and serial number.
Always use genuine parts.
Annual inspection or trimming by an authorised
service workshop is a good way of getting the best
out of your machine the next season.
6021-001
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TECHNICAL DATA
Dimensions
Rider 155
Rider 155 AWD
Length without cutting unit
Width without cutting unit
Height
2020 mm/6.61 ft
880 mm/2.89 ft
1060 mm/3.52 ft
including unit
2020 mm/6.61 ft
880 mm/2.89 ft
1060 mm/3.52 ft
including unit
Service weight
247 kg/ 543 lb
855 mm/2.8 ft
302 kg/ 666 lb
855 mm/2.8 ft
Wheel base
Track Front
Track Rear
Tyre size
Tyre pressure, front & rear
715 mm/2.34 ft,
625 mm/2.05 ft
16 x 6.50 x 8
715 mm/2.34 ft
625 mm/2.05 ft
16 x 6.50 x 8
60 kPa (0.6 kp/cm2/8.5 PSI)
60 kPa (0.6 kp/cm2/8.5 PSI)
Max. gradient
15°
15°
Engine
Manufacture
Power
Displacement
Fuel
Kohler Engines model CV15
11.4/15.5 kW/h.p.
Kohler Engines model CV15
11.4/15.5 kW/h.p.
426 cm3/26 cuin
426 cm3/26 cuin
Min. 87 octane unleaded
(Research min 90 octane)
(Gasohol < 10% etyl alcohol or
MTBE < 15% by volume)
7 litres/7.4 USqt
SAE 10W/30 (SAE 5W/30
below freezing point)
class SG or SH
Min. 87 octane unleaded
(Research min 90 octane)
(Gasohol < 10% etyl alcohol or
MTBE < 15% by volume)
7 litres/7.4 USqt
SAE 10W/30 (SAE 5W/30
below freezing point)
class SG or SH
Tank volume
Oil synthetic
Oil volume
Start
1.9 litres/1.8 USqt
Electric starter
1.9 litres/1.8 USqt
Electric starter
Noise emissions and
cutting width
Measured noise level
Guaranteed noise level
Cutting width
99 dB(A)
100 dB(A)
1030 mm/40.5"
99 dB(A)
100 dB(A)
1030 mm/40.5"
Electrical system
Type
Battery
Spark plug
12 V, negative earth
12 V. 24 Ah
Champion QC12YC
electrode gap = 1,02 mm/0.040"
12 V, negative earth
12 V. 24 Ah
Champion QC12YC
electrode gap = 1,02 mm/0.040"
Transmission
Manufacture
Oil
Tuff Torq K46
SAE 10W/30, class SF-CC
Tuff Torq
SAE 10W/40, class SF-CC
Cutting unit
Type
3-blade hood Combi 1030 mm
Cutting width
1030 mm/40.5" (Combi)
Cutting heights
Blade diameter
9 positions, 40-90 mm/1 9/16"-3 9/16"
410 mm/16 1/4" (Combi 103)
English – 53
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TECHNICAL DATA
When this product is worn out or no longer used it should be returned to
the dealer or other appropriate body for recycling.
We reserve the right to change technical specifications without prior notice.
Note that no legal claims are valid on the basis of information in this manual.
Use only genuine parts for repairs. The warranty is not valid if non genuine parts are used.
54 – English
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SERVICEJOURNAL
Date, mileage, stamp, sign
Work done
Pre-delivery service
1. Top up battery with acid and recharge for four hours.
2. Fit steering wheel, seat and any optional equipment.
3. Adjust cutting unit:
Adjust the lifting springs (the “weight” of the cutting unit should
be 12-15 kg/26.5-33 lbs). Only applies to BioClip.
Adjust cutting unit so that rear edge is about 2–4 mm/1/8"
higher than front edge.
Adjust cutting unit height setting so that cutting height limit is
5 mm/3/16" above the frame of the unit at the lowest cutting
height.
4. Check that engine has correct amount of oil.
5. Check that the right amount of oil is in the transmission.
6. Check and adjust tyre pressure (60 kPa/0.6 bar/8.5 PSI).
7. Connect battery.
8. Fill with fuel and start engine.
9. Check that machine does not move in neutral.
10. Check:
Forward drive.
Reverse drive.
Operation of blades.
Seat safety switch.
Lift lever safety switch.
Safety switch for the hydrostat pedals.
11. Check engine revs 2 900±100rpm.
12. Check the screws on the muffler. (10Nm)
13. Tell customer about:
Pre-delivery service carried out.
No outstanding problems.
Certified:
Need and benefits of following the service schedule.
The need and advantages of leaving the machine for regular
service.
The effects of maintenance on the machine’s second hand
value.
Range of applications for BioClip.
14. Complete proof of sale, etc.
After first 5 hours
1. Change engine oil.
English – 55
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SERVICEJOURNAL
Date, mileage, stamp, sign
Work done
56 – English
´®z+R23¶5L¨
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115 01 81-95
´®z+R23¶5L¨
2005W49
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