Rover Lawn Mower 53179 User Manual

Owners Manual  
TM  
RANGER  
AUTO-DRIVE  
Model No. 53179  
TM  
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SPECIFICATIONS  
ROVER RANGER  
STEERING WHEEL  
Model No  
53179  
Briggs & Stratton  
215907  
10.5 Hp.  
2.27 Litres  
1.4 Litres (no filter)  
Champion RC12YC  
0.7 to 0.8mm  
Refer to  
325 mm Dia. Steering Wheel.  
1 - 1/4turns lock to lock.  
Engine Make  
Engine Model No.  
Engine Power  
Fuel Capacity  
Oil Capacity  
Spark Plug Type  
Spark Plug Gap  
Engine Oil  
CLUTCH/ BRAKE PEDAL  
Foot operated pedal. Left side of machine.  
PARKING BRAKE KNOB  
manufacturers  
instructions  
Hand operated catch. Left hand side.  
Used in conjunction with cluth/brake pedal.  
TRANSMISSION  
DRIVE SELECTOR  
Auto-Drive system consists of a continuous belt being  
driven by the engine pulley over two drive pulleys and  
around a return pulley. Friction plates are brought into  
contact with the drive pulleys to impart either forward  
or reverse motion to the rear drive wheels by means of  
a drive selector pedal on the right side of the machine.  
Foot operated pedal located on right side of the  
machine.  
Spring loaded so as to return to neutral position.  
CUTTING HEIGHT  
Lever right hand side.  
8 height of cut positions from 15mm to 65mm.  
Ground speed at 3600 rpm is variable due to the Auto-  
Drive system depending on pressure applied to the  
drive selector pedal.  
CUTTER DRIVE  
Max. Speed = 8.6km/hr  
Lever located left side of seat cowl.  
CUTTING HEAD  
GENERAL  
Model 160 Full floating pressed steel housing with  
right side discharge. Width of cut 760mm  
(30”).  
Wheel Base  
Track  
1.35m  
Length  
Width  
1.64m  
0.80m  
0.63m R  
0.69m F  
5.8m  
Turning Circle  
Turning Radius 2.0m  
Height  
Weight  
0.95m  
195kg  
TYRES  
Front Tyres-  
4.1 x 6 Tube  
Pressure 140 Kpa maximum.  
(20psi)  
To emphasise special information the words  
WARNING and CAUTION are used.  
Rear Tyres-  
16 x 6.5 x 8 Tubeless  
Pressure 96 Kpa maximum. (14psi)  
WARNING  
The safety of the user and others  
involved. Personal injury may  
result should this information be  
disregarded.  
CONTROLS  
* Throttle control with Fast, Slow and Choke  
positions.  
* Key switch with OFF, ON and START positions.  
CAUTION  
Follow these instructions  
carefully to avoid mower  
damage and loss of warranty.  
2
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LOOSE PARTS KIT  
DESCRIPTION  
Steering wheel  
QTY  
USE  
1
1
1
1
1
2
1
2
On steering shaft  
Roll Pin  
Secure steering wheel to shaft  
Fitted to cutterhead  
Stone guard assembly  
Spring stone guard  
“E” Clip  
On stone guard pivot rod  
In groove in pivot rod  
To start machine  
Ignition keys  
Plug spanner  
Pop Rivets  
Plug removal and fitting  
Seat safety switch  
SETTING UP INSTRUCTIONS  
Fig. 2  
Fig. 4  
INSTALLING STEERING WHEEL  
INSTALLING STONE GUARD  
1. Slip the steering wheel over the steering shaft and  
align the wheel hole with the shaft hole.  
2. Insert a drift punch – partially through the holes to  
maintain alignment and insert the roll pin in the  
opposite side. Fig. 2  
1. Slip the spring into the stone guard pivot rod so  
that the short leg rests on top of the stone guard.  
2. Now twist the spring as shown and feed the end of  
the pivot rod into the forward pivot bracket. Fig 3.  
3. Insert the short end of the pivot rod fully into the  
rearward pivot bracket.  
3. Drive the roll pin in until flush with the outside of  
the wheel.  
4. Release the spring. It should spring down onto the  
top of the cutterhead and be tensioning the stone  
guard down.  
5. Secure by clipping the “E” Clip into the groove on  
the pivot rod. Fig. 4.  
Fig. 3  
3
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FILL FUEL TANK  
INSTALLING THE BATTERY  
Refer Safety Instructions.  
1. Remove the battery as follows  
(a) remove the terminal cables from the battery.  
(b) undo the wingnuts and remove the clamp bar.  
CAUTION  
2. The battery is not filled with Electrolyte. This should  
be done by adding 33% strength battery acid to each  
cell until the plates are covered. Electrolyte must be  
purchased from a local battery supply outlet.  
Use only unleaded petrol.  
Do not mix oil with petrol  
– engine damage may result.  
CAUTION  
1. Clean around the fuel tank cap so foreign matter  
cannot enter the tank when the cap is removed.  
Do not overfill battery, acid will  
overflow into other parts of the  
machine and severe corrosion and  
deterioration will result.  
2. Using a funnel, fill the tank with unleaded petrol.  
Replace the cap.  
3. Wipe up any petrol that may have spilled.  
3. Leave the filler caps off and connect the battery  
charger to the battery terminals. Charge the battery at  
4 Amps/Hour for a minimum of 6 hours.  
CHECK TYRE PRESSURE  
Check and maintain tyre pressure at 140 KPA (20PSI)  
front and 96 KPA (14PSI) rear maximum.  
4. After charging, check that the Electrolyte is still  
covering the plates, if not, add to the correct level.  
Install the filler caps.  
ADJUSTING THE SEAT  
5. Replace the battery and secure.  
6. Install the positive (red) cable to the positive (+)  
terminal and the negative (black) cable to the  
negative (-) battery terminal. Secure for good  
electrical contact.  
Tip the seat forward, loosen the seat securing screws.  
Relocate the seat for operator comfort. Tighten the seat  
securing screws and lower the seat. Fig 5.  
BEFORE OPERATING  
FILL CRANK CASE WITH OIL  
The rider mower may be delivered without oil in the  
crankcase. Oil must be added before attempting to start  
the engine.  
1. Place the machine on level surface. Ensure that the  
oil plug is securely tightened. Clean around the  
dipstick.  
2. Unscrew and remove the dipstick from the oil filler  
tube.  
3. Insert a funnel into the filler tube and slowly add oil  
in accordance with the engine manufacturer’s  
direction.  
Fig. 5  
4. Ensure oil level is at the full mark on the dipstick  
when screwed completely in. When finished, replace  
the dipstick and re-tighten.  
CAUTION  
Avoid premature engine failure by  
ensuring the funnel is clean so  
contaminants are not introduced  
into the crankcase. Wipe any oil  
spills so it will not cause dirt to  
collect on the engine.  
4
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CONTROLS  
1. THROTTLE CONTROL  
2
1
Mounted on the control panel and connected to the  
engine carburettor controls. Has the symbols for Slow,  
Fast and Choke. Fig. 6  
2. IGNITION SWITCH  
This switch is part of the battery ignition system and has  
three positions marked for Off, On and Start. The switch  
is key operated and automatically returns to the On  
position from the Start position when released. Fig. 6  
3. BRAKE/ CLUTCH  
Foot operated pedal on the left side of machine.  
Depressing the pedal neutralises the drive belt and  
engages the Brake Disc. Fig. 7  
Fig. 6  
4. PARKING BRAKE  
Hand operated knob left hand side. Depressing the  
brake/clutch foot pedal enables this knob to be engaged  
and disengaged. Brake is locked on with knob in up  
position. Fig. 7  
5. DRIVE SELECTION  
5
Foot operated right hand side. Depress with toe pressure  
gives forward motion, depress with heel gives reverse  
motion. Automatically returns to neutral position when  
foot is removed. Fig. 7  
6. CUTTING HEIGHT ADJUSTER  
3
Located on right side of seat. (Fig. 7) with low cut at  
bottom and high cut at the top setting. Fig.7  
4
7. CUTTER DRIVE  
Lever located on left hand side of seat mounting box.  
Down position disengages blade drive and applies blade  
brake, up position engages blades. Fig. 7  
7
Fig. 7  
6
5
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OPERATING INSTRUCTIONS  
AUTO - DRIVE OPERATION  
Forward and reverse movement of the mower is controlled by the drive selector pedal. Ground speed of the ride-on  
mower is controlled by the amount of pressure on the drive selector pedal. Ensure that the mower user is familiar  
with this means of operation before operating the mower, particularly in tight confined areas.  
TO START ENGINE  
NOTE:  
WARNING  
The engine will not start unless the cutter  
drive is disengaged, and clutch/brake  
pedal is depressed and parking brake  
applied.  
The parking brake should always  
be applied before leaving the  
machine. The parking brake  
must be released before  
attempting to drive. Depress the  
clutch/brake when starting or  
coming to a rest. Do not use  
sudden directional reversal which  
can cause wheel spinning.  
1. Depress clutch/brake pedal – Apply the parking  
brake.  
2. Move the drive selector to neutral.  
3. Disengage the cutter drive.  
4. Move the throttle lever to the choke position.  
5. Turn the ignition key to the start position and release  
when the engine starts.  
6. Move the throttle lever to about 1/4 position.  
ENGAGE CLUTCHES  
TO MOW OR DRIVE  
1. Depress clutch/brake pedal.  
2. Disengage the parking brake.  
3. Select height of cut.  
When engaging the cutter drive lever or releasing the  
clutch/brake pedal, always operate slowly. Do not use a  
jerking motion. Moving these controls too fast could  
possibly overload and stall the engine.  
4. Move throttle to about 3/4 position.  
5. Engage cutter drive.  
6. Select desired drive.  
REMEMBER  
7. Slowly release clutch/brake pedal and move off.  
1. Always look behind the machine before reversing.  
2. Do not refuel when the engine is running or while the  
engine is hot.  
TO STOP ENGINE  
1. Depress clutch/brake pedal.  
2. Shift the drive selector to neutral.  
3. Disengage the cutter drive.  
4. Apply the parking brake.  
3. Keep bystanders away – Keep hands and feet clear of  
moving parts.  
4. Keep the machine clean of grass and debris.  
5. Keep all safety devices (guards and switches) in  
place and working.  
5. Move throttle lever to the fast position.  
6. Turn the ignition key to Off. Remove the keys.  
TO STOP IN AN EMERGENCY  
1. Depress brake/clutch pedal and drive selector pedal  
together. (This disengages power from the engine  
and engages the disc brake.)  
2. Apply park brake and lock.  
3. Move throttle to fast position and switch off ignition  
key.  
CAUTION  
A check after the first two hours  
of operation is recommended.  
Engine failure or rapid engine  
wear mainly results from the  
following causes –  
4. Dismount from the mower if it is safe to do so.  
WARNING  
6. Dirt or abrasives entering the engine via the air  
cleaner due to –  
To avoid loss of control always  
come to a complete stop before  
changing drive direction and  
slow down before turning.  
(a) The air cleaner element not being serviced  
regularly, or  
(b) The air cleaner damaged or dislodged.  
6
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7. Dirt or abrasives entering the engine via the oil filler  
tube due to-  
AIR CLEANER  
Refer to engine manufacturer’s manual for detailed  
instructions.  
(a) Using a funnel not cleaned of dirt or grit, or,  
(b)Topping up with contaminated oil stored in an  
unclean container.  
1. Pull up on air cleaner cover handle and rotate  
towards engine.  
2. Remove air cleaner cover.  
3. Carefully lift air cleaner cartridge and pre-cleaner  
from blower housing.  
8. Lack of oil. It is important to-  
(a) Check the oil level regularly (Every 5 hours of  
operation)  
(b)Maintain a full sump.  
Note: To clean pre-cleaner, wash in soapy water.  
Squeeze dry in a clean cloth. DO NOT OIL.  
Periodically check the machine and the cutting  
mechanism. If parts are worn or need replacing do so by  
using only Genuine Rover Replacement parts.  
4. Tap the air cleaner on a flat surface to dislodge any  
loose debris. If contaminated, replace.  
5. Clean the base of the air cleaner cartridge area  
carefully to prevent any debris from entering engine.  
6. Place the air cleaner pre-cleaner and cartridge into  
the blower housing. The cartridge must fit securely  
in base.  
7. Align the tabs on the cover with the slots in the  
blower housing and replace the cover.  
8. Hook the handle and close the cover.  
Before working on the mower, disconnect the spark plug  
lead from the spark plug and place it where it cannot  
contact the spark plug.  
Check your Rover Ranger frequently for loose nuts,  
bolts, belts, etc., and keep these items correctly  
tightened and adjusted.  
CAUTION  
Petroleum solvents, such as  
kerosene, are not to be used to  
clean cartridge. They may cause  
deterioration of the cartridge.  
DO NOT OIL CARTRIDGE.  
DO NOT USE PRESSURIZED  
AIR TO CLEAN OR DRY  
CARTRIDGE.  
7
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MAINTENANCE  
THROTTLE CONTROL  
OIL CHANGE  
Proper choke operation is dependant on the  
adjustment of remote controls –  
Refer engine manufacturers’ instructions.  
1. Place the machine on a level surface. Start and run  
the engine for a period to warm the oil.  
1. Loosen the outer cable clamp screw on engine.  
2. Set the throttle control to choke position.  
3. Adjust the outer cable under clamp plate so that  
choke is operated.  
4. Tighten the clamp plate screw and check  
(a) Choke does not operate in fast position,  
(b) Stop switch operates correctly.  
CARBURETTOR ADJUSTMENT  
The carburettor has been factory set and should only  
require occasional fine tuning.  
Refer to Engine Manufacturer’s Owner’s Manual for  
details adjustment procedures.  
Fig. 8  
2. Fit the drain tube to the drain fitting. Fig. 8  
3. Place an oil pan under the end of drain tube.  
4. Open the drain fitting about 1 turn and allow the oil  
to drain completely.  
5. Retighten the drain fitting and refill the sump with  
new oil. For correct viscosity and service  
classification, refer to the engine manufacturers’  
instructions.  
CAUTION  
Never tamper with the engine  
governor setting. Changing of  
engine governor speed will  
void engine warranty.  
SPARK PLUG  
The spark plug gap gradually increases during engine  
running and should be checked periodically and  
whenever the engine malfunctions.  
1. Clean around the spark plug area so that dirt will not  
enter the engine when the spark plug is removed.  
2. Disconnect the spark plug lead and remove the spark  
plug.  
3. Check the condition of electrodes and ensure there is  
no damage to insulator.  
4. Carefully clean the spark plug. Do not grit blast.  
5. Set the gap between 0.7mm to 0.8mm.  
6. Install the spark plug in the engine and tighten.  
Fig. 11  
LUBRICATION GENERAL  
Using General Purpose Grease – (Every 25 hours)  
Grease nipples on front wheel pivots. Fig. 11  
Cam plate bearing area. Fig. 26  
Front Axle beam guides.  
Grease nipples on steering pivot blocks. Fig. 21  
Steering gears. Fig. 21  
Grease nipples on engagement lever pivot.  
Steeing pivot blocks. Fig. 23  
Using Clean Engine Oil –  
COOLING SYSTEM  
The Ranger has an air cooled 4 stroke engine. It must  
be cleared frequently. Remove any build up of grass,  
dirt or other debris from the  
Jockey pivot arms  
Throttle control cable.  
Drive Chain. Fig. 23  
Cutter drive lever pivot.  
1. Cylinder  
Clutch/Brake pedal pivot. Fig. 15  
2. Cylinder head cooling fins  
3. Cooling air intake screen  
4. Carburettor governor levers and linkages.  
Tie rod ball ends. Fig. 11  
All connecting rod pivots points.  
NOTE:  
This will ensure adequate cooling and correct engine  
speed.  
All ball bearings are sealed and require no  
maintenance.  
8
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MAINTENANCE  
CUTTING UNIT  
WHEEL REMOVAL  
Remove spark plug lead and disengage cutter drive  
before working on cutter unit, to prevent accidental  
starting of the engine.  
Before using the machine always inspect cutting unit to  
ensure that the cutting disc, blades and blade fittings are  
not worn or damaged.  
Always check after striking a solid object. Do not  
operate machine when unusual vibration occurs.  
Replace worn or damaged blades in sets to preserve  
balance.  
Remove any build-up of grass or clogging within the  
cutting unit, discharge chute or stone guard.  
Fig. 13  
Fig. 14  
WARNING  
Always deflate tyre before moving  
rim nuts on front wheel only.  
CUTTERHEAD REMOVAL  
Front –  
1. Chock the rear wheels and remove the front axle nut.  
Fig. 13  
2. Raise the front of the machine.  
3. Slide the wheel from the shaft.  
4. Replace in reverse order.  
5. Re-tighten the axle nut firmly.  
Rear –  
1. Chock the front wheels and raise the rear of the  
machine.  
2. Remove the four wheel nuts.  
3. Slide the wheel from the hub. Fig. 14  
4. Refit the wheel to hub.  
Fig. 12  
5. Replace the wheel nuts and tighten.  
1. Disconnect push rods & brake rod. Fig. 12  
2. Remove the tensioning spring. A loop has been  
BRAKE CALIPER ADJUSTMENT  
provided on the spring to assist in this operation. Fig.  
12  
3. Slide cutterback towards back of machine and  
remove belt from around cutterdeck pulley.  
4. Undo large retaining washer bolts (A) Fig. 12 This  
will allow front of deck to be lowered to ground.  
5. Slide cutterdeck forward. This will allow the rear to  
be lowered to the ground and be slid from under the  
machine.  
6. Replace in reverse order.  
Fig. 15  
1. Loosen locknut ‘AFig. 15  
2. Adjust Bolt ‘B’ till brake calliper ‘C’ touches brake  
Disc.  
NOTE:  
3. Re-tighten locknut ‘A.  
To remove cutterdeck belt from machine, the  
belt guard has to be moved away from the  
drive pulley to allow the belt to be removed  
from the V-groove and the cutterhead lifting  
rod is to be disengaged from the cutterhead  
selection arm assembly to allow belt to be  
drawn out.  
BRAKE ARM ADJUSTMENT  
1. Check that brake calliper is correctly adjusted.  
2. Adjust locknut ‘E’ Fig. 15. Till brake arm ‘D’ Pad  
comes into contact with disc.  
3. Check operation of brake to ensure park brake can be  
applied, and brake operates correctly.  
9
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MAINTENANCE  
CUTTERHEAD BRAKE  
PARKING BRAKE  
Should be regularly checked for operation.  
Should always be checked for operation after  
clutch/brake rods have been adjusted.  
PAD REPLACEMENT  
(Refer figure 19)  
1. Remove the ‘R’ Clip (A) from  
the push rod clevis pin and  
remove the clevis pin and push  
rod from brake arm assembly.  
2. Remove the brake plate pivot  
bolt (B), two spacers and  
nyloc nut and remove the  
brake plate assembly.  
3. Drill out the two retaining rivets which hold the Brake pad  
assembly to the brake plate and discard the old brake pad and  
backing plate. The replacement brake pads are fitted with a  
chemically bonded backing plate, locate this backing plate  
against the brake plate and retain with two 3/16” rivets. Part No:  
A2901195.  
CUTTER DRIVE ADJUSTMENT  
1. Move cutter Height Selector Lever to No. 4  
Position in Rack.  
2. Move cutter Drive Lever to the Engaged position.  
3. Adjust Push Rods Fig. 16 to give a spring  
compression of 35mm. Fig. 17  
Fig. 19  
4. Replace the brake plate to the cutterhead and adjust the cutterhead  
brake.  
CUTTERHEAD BRAKE ADJUSTMENT  
1. With the cutterhead disengaged and in low cut  
position.  
2. Adjust the nyloc nut on the rod as per step 6 for  
Cutter Drive Adjustment.  
Fig. 16  
3. Adjust the tension on the spring using the lock nuts  
to give length of 58mm. Fig. 20  
g. 20  
Fig. 17  
STEERING GEARS  
4. Adjust Locknut ‘Ato give 7mm clearance to back of  
Swivel Block. Fig 17  
5. Disengage the Cutter Drive Selector Lever.  
6. Adjust locknut ‘Ain Fig. 20 to give Cutter  
Engagement Lever a free travel of 30mm, from  
bottom of slot in Fig. 18  
NOTE:  
Check to ensure lever has 30mm of free travel  
by working lever.  
Fig. 21  
To adjust the excessive play caused by wear in the  
gears.  
1. Loosen the bolts securing steering shaft pivot block  
(A)  
2. Lightly tap the pivot block towards the layshaft pivot  
and retighten bolts (A)  
3. Check the steering gear engagement.  
4. Check that there is no tight spots when turning the  
steering wheel from lock to lock.  
Fig. 18  
10  
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MAINTENANCE  
AUTO-DRIVE  
DRIVE SELECTOR PEDAL  
The Auto-Drive friction plates and drive pulleys are  
factory set for travel required along a keyed shaft and  
this should not need adjusting.  
The pedal angle can be tilted either forward or back to  
suit individual requirements if necessary.  
1. Loosen locknuts (A) on control rod. Fig. 24  
2. Tilt control pedal to required angle to give maximum  
operator comfort.  
If during operation it is found that the relationship  
between forward and reverse has become unbalanced  
adjust as follow:-  
3. Re-tighten locknuts.  
1. Loosen Locknut (A) Fig. 22  
2. Centralise engagement lever with the friction plates  
between the drive pulleys.  
3. Re-tighten locknut (A). Fig. 22  
A
Fig. 24  
CAUTION  
Do not over-tension belts or  
drive chains.  
AUTO BELT TENSIONER  
The continuous drive belt is kept under constant  
tension by the Auto-Belt tensioner. This is set up  
initially at the factory and should not need attention  
unless the drive belt has stretched past its serviceable  
use, indicated when the spring finger is engaged in red  
area on the rack assembly.  
Fig. 22  
DRIVE CHAIN ADJUSTMENT  
Primary  
1. Loosen off bolt ‘AFig. 23  
2. Slide idler back till chain tightens.  
3. Re-tighten bolt ‘Aand check chain for tight spots.  
TO REMOVE OLD BELT  
1. Loosen the two nuts (A) securing the spring plate.  
Fig. 25  
Secondary  
2. Remove the top bolt (B) from the spring plate while  
holding the spring plate and slowly release the  
tension on the spring and disengage the spring finger  
from rack assembly by pressing outwards. Fig. 25  
3. Remove old belt from around pulleys and discard.  
1. Loosen off bolt ‘B’ Fig. 23  
2. Slide sprocket back till chain tightens.  
3. Re-tighten bolt ‘B’ and check chain for tight spots.  
SPRING FINGER  
SPRING PLATE  
B
A
Fig. 23  
Fig. 25  
11  
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MAINTENANCE  
TO FIT NEW BELT  
STEERING RODS  
4. Ensure that the peg on rack assembly (A) engages in  
the front slot of cam plate assembly. (B) Fig. 26  
5. Fit new drive belt around pulleys.  
Should not normally require resetting.  
1. Loosen the rod lock nut (A). Fig. 11  
2. Release the fixing bolt.  
6. Draw the spring plate back into position and secure.  
Check that the spring finger (C) engages in the first  
couple of teeth on the rack assembly. Fig. 26  
3. Turn the tie rod end to adjust for length.  
Clockwise to shorten, anti-clockwise to lengthen.  
4. Replace the fixing bolt and tighten.  
5. Tighten the rod lock nut.  
6. Make sure the rod is free to pivot.  
CUTTER HEAD TILT  
This will not normally require resetting.  
1. Loosen the U-Bracket nuts (B) Fig. 12  
2. Adjust the nuts up or down to set tilt.  
3. Model 160 (760mm cut) requires the back of the  
blade circle tilted 15mm above the front of the blade  
circle in low cut position.  
4. Re-tighten all nuts.  
GREASE  
Fig. 26  
B
STEERING STOPS  
If the spring finger engagement in the rack assembly is  
not at the start of the rack assembly, proceed as follows:-  
7. Release the spring plate as per step (2)  
8. Loosen the four locknuts (A) on the engine hold  
down bolts. Fig. 27  
These will not normally require resetting.  
1. Check if the steering segment gear rotates in both  
directions.  
2. Loosen the locknut on the front beam and adjust the  
bolt till number of turns in both directions is equal.  
3. Re-tighten the Locknut.  
9. Loosen locknuts (B) on engine pulley guard and  
slide to the rear. Fig. 27  
10.Adjust nyloc nut (C) on motor adjustment plate to  
move the engine to the rear and repeat step (6).  
11.Re-tighten engine mounting bolts and re-position  
belt guard with 2-3mm clearance between belt guard  
and engine pulley.  
HEIGHT OF CUT ADJUSTMENT  
To adjust the height of cut rotate the nyloc nut (A)  
situated under the centre of machine on the rear  
cutterhead support assembly. Adjust the nyloc nut to  
obtain low cut at front of blade circle of 15mm. Fig. 28  
A
Fig. 27  
Fig. 28  
NOTE:  
After a period of time the drive belt will stretch  
past the limit of the auto-tensioner. The auto-  
tensioner can be reset to allow for this stretching  
by following the above instructions- steps (7) to  
(11). Re-grease the bearing area under cam plate  
when fitting new belt. Fig. 26  
SAFETY INTERLOCK SYSTEM  
The safety interlock system has been designed for your  
protection and should not be tampered with. It gives  
the Ranger the following characteristics.  
12  
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MAINTENANCE  
The engine will not start unless the clutch/brake pedal  
is depressed and the cutter drive is disengaged.  
SAFETY SWITCH ADJUSTMENTS  
Clutch Brake Pedal  
WARNING  
1. Depress the clutch brake pedal and apply the parking  
brake.  
The engine will stop if the  
operator leaves the seat with the  
speed selector engaged and/ or  
the cutter drive engaged.  
2. Loosen the two safety switch retaining screws and  
slide the safety switch towards the rear of the mower.  
Fig. 29  
3. Depress the clutch brake pedal and release the  
parking brake allowing the clutch brake pedal to  
return to its normal disengaged position.  
4. Slide the safety switch towards the tab on the clutch  
brake shaft. Position the safety switch with a  
clearance of 6mm between the safety switch body  
and the tab.  
WARNING  
If the interlock system fails, see  
an authorised Rover Service  
Dealer. Do not operate the mower  
until the fault is corrected.  
5. Tighten the two safety switch retaining screws.  
CAUTION  
The safety switch circuit may  
become defective if wet. Do not  
spray switches and connections.  
STORAGE:  
Never store the engine with fuel in tank indoors or in  
poor ventilated enclosures where the fuel fumes may  
accumulate.  
If the machine is to be stored over 30 days proceed as  
follows:  
1. Remove all fuel from the carburettor and the fuel  
tank to prevent varnish-like gum deposits.  
2. Remove the spark plug and pour 30ml of engine oil  
into the cylinder. Crank the engine several times to  
distribute the oil. Replace the spark plug.  
3. Clean the engine and cooling fins, etc., and any  
clippings, dirt and chaff.  
Fig. 29 Clutch brake safe switch  
Cutter Engagement Safety Switch  
The cutter engagement safety switch does not require  
any routine adjustment. It should be checked  
occasionally for operation, working condition and it’s  
fasteners checked for tightness.  
4. Clean the underside of the mower and cutting unit.  
Paint any chips or scratches.  
5. Lubricate the chassis components.  
6. Remove and charge the battery and store in a cool  
dry spot. Recharge every 30 days.  
Seat Panel Safety Switch  
1. Raise the seat panel and allow it to open till it rests  
on the steering wheel.  
7. Store the machine in a clean dry place.  
2. Loosen the two safety switch retaining screws.  
3. Position the safety switch to give the safety switch  
button 10mm of protrusion above the cowl body  
panel.  
REMOVAL FROM STORAGE  
1. Change the oil  
2. Fill the fuel tank with fuel  
3. Check the spark plug  
4. Check the drive belts  
5. Check the drive chain  
6. Lubricate the drive chain  
7. Lubricate the pivot points  
8. Grease the front axle spindles  
9. Check the tyre pressure  
10.Check safety interlock  
11.Check cutting blades.  
4. Tighten the two safety switch retaining screws.  
13  
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WARNING  
Before undertaking any maintenance, cleaning or adjustments, apply the parking brake  
and remove the ignition key.  
14  
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TROUBLE SHOOTING  
PROBLEM  
POSSIBLE CAUSES  
CORRECTIVE ACTION  
Engine loses power.  
1. Oil level in crank case is low.  
2. Cooling fins and air passages  
under engine blower housing are  
blocked.  
1. Add oil to crankcase.  
2. Remove obstruction from  
passages.  
3. Engine load is excessive.  
4. Air cleaner is dirty.  
5. Dirt or water is in fuel system.  
3. Select a lower speed to reduce load.  
4. Clean air cleaner element.  
5. Have machine serviced by  
Authorised Service Dealer.  
6. Adjust the carburettor.  
7. Install new correctly gapped  
Spark plug.  
6. Carburettor is adjusted incorrectly.  
7. Spark plug is pitted, fouled or  
defective in some other way.  
Engine over heats.  
1. Cooling fins and air passages  
under engine blower housing are  
Blocked.  
1. Remove obstruction from  
cooling fins and air passages.  
2. Carburettor is adjusted incorrectly.  
3. Oil level in crankcase is low.  
4. Engine load is excessive.  
2. Adjust the carburettor.  
3. Add oil to crankcase.  
4. Select a lower speed to reduce load.  
Mower vibrates abnormally  
1. Engine mounting bolts are loose.  
2. Loose cutter pulley, idler pulley or  
drive pulley.  
1. Tighten mounting bolts.  
2. Tighten the appropriate pulley.  
3. Cutter assembly is unbalanced.  
4. Cutter assembly is loose.  
3. Replace broken blades in sets.  
4. Tighten securing nut.  
Cutter does not rotate.  
Mower does not drive  
1. Cutter drive belt is worn, loose or  
broken  
2. Cutter drive belt is off pulley.  
1. Install new cutter drive belt.  
2. Install cutter drive belt.  
1. Drive belt is worn, loose or  
broken  
Install new drive belt.  
2. Drive belt is off pulley.  
3. Unable to select forward  
or reverse.  
2. Install drive belt.  
3. Have machine serviced by  
Authorised Service Dealer.  
\
Engine does not start, hard  
to start, loses power, or fails to  
keep running.  
1. Fuel tank is empty.  
2. Speed selected.  
3. Cutter Drive is engaged.  
4. Spark plug is loose.  
1. Full fuel tank with petrol.  
2. Select Neutral.  
3. Disengage Cutter Drive.  
4. Tighten spark plug.  
5. Spark plug lead is loose or  
disconnected from spark plug.  
6. Spark plug gap is incorrect.  
5. Install spark plug lead on  
spark plug.  
6. Set spark gap between electrodes at  
0.7mm to 0.8mm  
7. Spark plug is pitted, fouled or  
defective in some other way.  
8. Wrong spark plug is used.  
9. Electrical connections are loose.  
7. Install new correctly gapped  
spark plug.  
8. Install correct spark plug.  
9. Check electrical system to  
ensure good contact.  
10. Carburettor is adjusted incorrectly.  
11. Air cleaner is dirty.  
12. Vent hole in fuel tank is plugged.  
13. Dirt or water in fuel system  
14. Dead battery.  
10. Adjust the carburettor.  
11. Clean the air cleaner element.  
12. Inspect and open vent.  
15. Defective Electronic Ignition  
System.  
16. Defective Safety Switches.  
13. Have machine serviced by  
Authorised Service Dealer.  
}
Engine does not idle or idles poorly.  
1. Air cleaner is dirty.  
1. Clean air cleaner element.  
2. Add oil to crankcase.  
3. Remove obstruction from cooling  
fins and air passages.  
2. Oil level in crankcase is low.  
3. Cooling fins and air passages  
under engine blower housing are  
plugged.  
4. Idle speed is too low or high.  
5. Dirt or water is in fuel system.  
4. Adjust the carburettor.  
5. Have machine serviced by  
Authorised Service Dealer.  
6. Clean fuel tank vent.  
7. Install new correctly gapped spark  
plug.  
6. Vent hole in fuel tank is plugged.  
7. Spark plug is pitted fouled or  
defective in some other way.  
15  
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SAFETY AND INSTRUCTION DECALS  
Safety and Instruction decals that are mounted on the RANGER Rear Engine Ride On Mower.  
Replace any that become damaged or illegible.  
P/N A16374  
16  
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CIRCUIT DIAGRAM AND SPARES  
17  
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SAFETY INSTRUCTIONS  
This product is manufactured to comply with Australian Safety Standards. If non-  
genuine replacement parts; including blades; are fitted to this product it may no  
longer meet that Australian Safety Standard and Rover Mowers Warranty. The  
fitting of non-genuine replacement parts could result in serious injury, and, or  
machine malfunctioning which may result in litigation against the person or persons  
responsible for the alterations.  
*
Know your controls. Read the owner’s manual  
carefully. Learn how to stop the engine quickly in an  
emergency.  
thongs. Wear long trousers and heavy shoes.  
It is advisable to wear suitable eye protection when  
operating a mower.  
*
*
*
*
*
*
Do not allow children or people unfamiliar with these  
instructions to use the mower. Do not carry passengers.  
Make sure the lawn is clear of sticks, stones, bones,  
wire and debris. They could be thrown by the blade.  
Do not mow whilst people, especially children, or pets  
are in the mowing area.  
*
*
Mow only in good daylight.  
Before using, always visually inspect to see that blades,  
blade bolts and cutter assembly are not worn or  
damaged. Replace worn or damaged blades and bolts  
in sets to preserve balance.  
Never mow across the face of the slope, unless the DAMAGED BLADES AND WORN BOLTS ARE  
mower is designed for this purpose.  
Exercise extreme caution when on slopes.  
Reduce speed on slopes and in sharp turns to prevent  
overturning or loss of control.  
MAJOR HAZARDS  
*
*
*
*
Check all nuts, bolts and screws often, always be sure  
the mower is in safe operating condition.  
Keep safety devices (guards and switches) in place and  
in working order.  
Never use the mower unless the grass catcher, or  
guards provided by the manufacturer, are in position.  
Ensure any spare parts used comply with the original  
manufacturer’s recommendations and specifications.  
Replace worn or faulty silencers.  
Do not stop or start suddenly when going uphill or  
downhill.  
Stay Alert for holes in the terrain and other hidden  
hazards.  
Use care when pulling loads or using heavy equipment  
(a) use only approved drawbar hitch points  
(b) limit loads to those you can safely control  
(c) do not turn sharply  
*
*
*
Keep engine free of grass, leaves or excessive grease.  
These can be a fire hazard.  
(d) use care when backing up, and  
(e) use counterweight(s) or wheel weights when  
suggested in the owner’s manual.  
*
Refuel outdoors only. Do not smoke while fueling the  
engine. Never remove the cap of the fuel tank or add  
petrol while the engine is running or the engine is hot.  
Remove fuel cap slowly to relieve any tank pressure. If  
petrol is spilled, do not attempt to start the engine but  
move machine away from the area of the spill and  
avoid creating any source of ignition until petrol  
vapours have dissipated.  
Check for fuel leaks while refuelling or using the  
mower. If a fuel leak is found, do not start or run the  
engine until the fuel leak is fixed and spilled fuel is  
wiped away.  
Do not operate the engine in a confined space where  
exhaust fumes (carbon monoxide) can collect.  
Always mount the mower on the opposite side of the  
discharge chute.  
Start the engine carefully with the cutting means  
disengaged.  
*
*
*
Watch out for traffic when crossing or operating the  
mower near roadways  
Stop the blades rotating before crossing surfaces other  
than grass.  
When using any attachments, never direct discharge of  
material toward bystanders nor allow anyone near the  
machine while it is in operation.  
Before leaving the operator’s position –  
(a) disengage all clutches and secure cutting units  
(b) change into neutral and set the parking brake,  
and  
*
*
*
*
*
*
*
*
(c) stop the engine and remove the key.  
Stop the engine and disengage drive to attachments –  
(a) before refuelling  
*
(b) before removing grass-catcher/ catchers  
(c) before making height adjustment unless  
adjustment can be made from the operator’s  
position  
(d) before clearing blockages  
(e) before checking, cleaning or working on the  
mower  
(f) after striking a foreign object (inspect the  
mower for damage and make repairs before  
restarting and operating the equipment) and  
(g) if machine starts to vibrate abnormally (check  
immediately)  
Do not over-speed the engine or alter governor settings.  
Excessive speed is dangerous and shortens mower life.  
Stop the engine whenever you leave the mower, even  
for a moment.  
Store the mower in a well-ventilated room away from  
naked flames such as may be found in hot water  
heaters.  
*
Do not lend or sell the mower without the Owner’s  
Manual.  
*
*
Disengage drive to attachments when transporting or  
not in use.  
A mower operator should be in good physical and  
mental health and not under the influence of any drug  
or alcohol which might impair vision, co-ordination or  
judgement.  
WARNING  
If fitted with accessories, including any authorised  
Rover accessories such as Grass Catcher, this  
mower may not comply with AS 3792.1  
*
Never mow while barefoot or wearing open sandals, or  
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Warranty Conditions  
AUSTRALIA & NEW ZEALAND ONLY  
Rover Mowers Limited warrant that this machine is free from This warranty is void if parts other than genuine have been  
defects in material and workmanship. This warranty is limited used or if repairs or alterations have been made without the  
to making good or replacing any part which appears upon manufacturer’s written authority.  
inspection by the manufacturer or his agent to be defective in  
material or workmanship.  
The above warranty does not exclude any condition or  
warranty implied by the Trade Practices Act 1974 or any other  
The engine used to power this machine is warranted by the relevant legislation which implies any condition which cannot  
manufacturer whose warranty statement has been included be excluded.  
with the machine. As the warranty for the engine may differ  
from the warranty for the other components, you are advised to  
EXTENDED WARRANTY: For domestic use only, a 24  
month extended warranty applies. It requires the customer to  
complete the ‘2 year warranty registration card’, and forward  
along with a copy of the cash register receipt to “Warranty,  
Rover Mowers Limited”, Normal warranty exclusions as listed  
read the engine manufacturer’s warranty carefully  
For other items this warranty shall apply for a period of 12  
months from the date of purchase except for products used  
commercially where the warranty is limited to 90 days.  
This warranty does not obligate the manufacturer, his agents or still apply.  
dealers to bear the transport costs incurred in the repair or  
replacement of any defective part.  
REMEMBER:  
PROOFOFPURCHASE IS THE RESPONSIBILITYOFTHE OWNERAND  
This warranty excludes fair wear and tear, or any damage  
caused by misuse or abuse. Parts such as blades, blade bolts, v-  
belts and spark plugs, which can be subjected to use beyond  
their normal intended working capacity are also excluded.  
IS NECESSARY PRIOR TO WARRANTY WORK BEING UNDERTAKEN.  
REPAIRS MUST BE CARRIED OUT BY AN AUTHORISED ROVER  
DEALER /SERVICE AGENT AND GENUINE SPARE PARTS MUST BE  
USED OR YOUR WARRANTY WILL BE VOID.  
Online warranty registration - www.rovermowers.com.au  
For your record:  
Dealer’s Name:..............................................................................................................  
Dealer’s Address: ..........................................................................................................  
Dealer’s Phone No: .......................................................................................................  
Product Model No:........................................................................................................  
Product Serial No:.........................................................................................................  
Date of Purchase: ..........................................................................................................  
Rover Mowers Limited reserves the right to make changes of and add  
improvements upon its product at any time without notice or  
obligation. The Company also reserves the right to discontinue  
manufacture of any product at its discretion at any time.  
ISO 9001 Lic 10168  
Standards Australia  
A.B.N. 11 000 257 303  
Rover Mowers Australia  
PO Box 1235  
Eagle Farm. Qld 4009  
Australia.  
Rover Mowers New Zealand  
East Tamaki,  
RECYCLED PAPER  
Auckland.  
New Zealand.  
This Rover Owners Manual has been printed on 100% Australian  
recycled paper as a sign of Rover Mowers’ commitment to Greening  
Australia and New Zealand.  
GWAIL GROUP  
PRINTED IN AUSTRALIA  
04012303 Rev. G  
© Copyright 8/2005  
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