OWNERS
MANUAL
Model No.
45-03072
45-03611
42" ROUGH CUT
TRAILMOWER
CAUTION:
Read Rules for
Safe Operation
and Instructions
Carefully
• Safety
• Assembly
• Operation
• Maintenance
• Parts
PRINTED IN U.S.A.
FORM NO. 49464 (5/04)
3
4
5
6
CONTENTS OF PARTS BAG
SHOWN FULL SIZE
A
B
C
D
E
H
F
G
I
J
NOT SHOWN FULL SIZE
K
REF. QTY.
DESCRIPTION
REF. QTY.
DESCRIPTION
A
B
C
D
E
F
1
2
2
1
3
1
Hex Bolt, 1/2" x 7"
G
H
I
J
K
2
2
1
2
3
Hex Lock Nut, 3/8"
Hex Lock Nut, 5/16"
Hex Lock Nut, 1/4"
Flat Washer, 3/8"
Clip, 3/8"
Hex Bolt, 3/8" x 2-3/4"
Hex Bolt, 5/16" x 3/4"
Hex Bolt, 1/4" x 3/4"
Screw, Self Tapping #10 x 1/2"
Hex Lock Nut, 1/2"
7
ASSEMBLY
ont
al.
r.)
d
e
d
gn
• Place Towbar Tube into Rear Quadrant, align holes
and insert 3/8 x 2-3/4 Hex Bolt through quadrant
and rear hole of Tube.
• Secure tightly with 3/8 Hex Lock Nut and then
loosen 1/4 turn to allow Tube to pivot freely inside
Rear Quadrant.
• Assemble a 3/8 Flat Washer onto a 3/8 x 2-3/4 Hex
Bolt.
• Insert Bolt and Washer into slot in Rear Quadrant
and into hole in Towbar Tube.
• Secure Tightly with 3/8 Flat Washer and 3/8 Hex
Lock Nut, then loosen 1/4 turn to allow Tube to
pivot freely inside Rear Quadrant.
NOTE: Towbar Tube must pivot freely inside Rear
Quadrant when Latch is pulled from notch.
8
ASSEMBLY
ENGINE MAGNETO GROUND (RED WIRE)
ENGINE GROUND BASE
FEED WIRE HARNESS
THROUGH THIS HOLE
FRONT DRIVE COVER
REAR QUADRANT
3/8 X 2-3/4 HEX BOLT
3/8 FLAT WASHER
CLUTCH LEVER
#10 SCREW (3)
CABLE CLIPS (3)
CLUTCH CABLE
TOW BAR TUBE
CABLE GUIDE
3/8 HEX LOCK NUT
3/8 FLAT WASHER
1/4 X 3/4 HEX BOLT
HITCH ASSEMBLY
CLUTCH CABLE
5/16 HEX NUT (2)
1/4" HEX LOCK NUT
MOUNTING ANCHOR
FIG. 1
9
ASSEMBLY
INNER NUT
CLUTCH CABLE ADJUSTMENT
• Remove four screws from Rear Drive Cover. Lay aside
cover and screws.
• Place Clutch Lever in "DISENGAGED" position
• The Cable should be under slight tension but should
not pull the Clutch Lever more than 1/8" away from
the Switch Body.
NOTE: If the Plunger extends more than 1/8" out from
the switch body, the cable tension is too tight and the
Engine will not start.
OUTER NUT
TO INCREASE CABLE TENSION
• Place Blade Clutch Lever in the "DISENGAGED"
position.
• Loosen the inner nut on the Clutch Cable.
• Tighten the outer nut on the Clutch Cable.
TO DECREASE CABLE TENSION
• Place Blade Clutch Lever in the "DISENGAGED"
position.
• Loosen the outer nut on the Clutch Cable.
• Tighten the inner nut on the Clutch Cable.
• Repeat the above procedure until you have the
correct tension.
SWITCH
BODY
IDLER
PULLEY
ENGINE
PULLEY
1/8"
PLUNGER
CLUTCH LEVER
BLADE
PULLEY
FOUR
SCREWS
REAR DRIVE
COVER
CLUTCH LEVER
FIG. 2
10
ASSEMBLY
INSTALL REAR ROLLER TO DECK
• Install Rear Roller Mounting Bracket to rear of deck
using two 5/16 x 3/4 Hex Bolts and two 5/16 Hex
Lock Nuts. (See Fig. 3.)
• Install Roller to Rear Roller Bracket using 1/2 x 7
Hex Bolt and 1/2 Hex Lock Nut.
• Make sure Roller turns freely on Bolt.
5/16 X 3/4 HEX BOLTS
AND 5/16 HEX LOCK NUTS
REAR ROLLER
MOUNTING BRACKET
ROLLER
1/2 X 7 HEX BOLT
1/2 HEX LOCK NUT
FIG. 3
11
OPERATION
HEIGHT ADJUSTMENT STRAP
RECOIL START HANDLE
HEIGHT ADJUSTMENT
LIFT LEVER
MOWER BLADE
CLUTCH LEVER
TOW HITCH OFFSET
ADJUSTMENT
SHUT OFF
CONTROL
TOW BAR HEIGHT
ADJUSTMENT
FIG. 4
12
OPERATION
13
OPERATION
HAIR COTTER PIN
HEIGHT ADJUSTMENT STRAP
LOCATING PIN
CLEVIS PIN
HEIGHT ADJUSTMENT
LIFT LEVER
HAIR COTTER PIN
CUTTING
HEIGHTS
1-1/2"
2"
2-1/2"
3"
3-1/2"
4"
4-1/2"
5"
TOW BAR
TOW BAR
ADJUSTMENT
CUTTING HEIGHT
GROUND LEVEL
FIG. 6
14
OPERATION
This mower has been designed to run offset from the
center of the tow vehicle. This allows the operator to
drive along side high brush with the tow vehicle while
cutting down the brush beside him. The adjustable
hitch gives you three offset cutting positions plus
straight behind for narrow paths.
MODEL 45-03071
The adjustable hitch of this mower can be set in seven
positions including straight and offsets of 15", 29" and
39" on both sides.
MODEL 45-0361
The adjustable hitch of this mower can be set in seven
positions including straight and offsets of 9", 17" and
23" on both sides.
15
OPERATION
16
CUSTOMER RESPONSIBILITIES
WHEEL PIVOT 3
WHEEL 2
SPINDLE 2
SWIVEL 2
QUADRANT 3
WHEEL 2
WHEEL PIVOT 3
17
CUSTOMER RESPONSIBILITIES
BLADE CARE AND SERVICE
BLADE ASSEMBLY
CAUTION:
DO NOT HANDLE MOWER BLADES WITH
BARE HANDS. CARELESS OR IMPROPER
HANDLING MAY RESULT IN SERIOUS
INJURY.
BLADE CARE
For best results mower blades must be kept sharp. The
blades can be sharpened with a file or on a grinding
wheel. Do not attempt to sharpen blades while they are
still on the mower.
BLADE SERVICE (Refer to fig. 9)
TO REMOVE BLADE ASSEMBLY FROM DECK
•
•
•
Remove cotter pin from the spindle shaft.
Remove nut and washer from the spindle shaft.
Pull blade assembly off the spindle shaft. (Watch for
a key in the spindle shaft.)
FIG. 9
WARNING:
TO REMOVE BLADES FROM BLADE ASSEMBLY.
SHUT OFF MOWER ENGINE AND REMOVE
SPARK PLUG WIRE FROM SPARK PLUG
BEFORE MAKING ANY ADJUSTMENTS OR
REPAIRS TO THE MOWER.
•
•
•
Remove cotter pin from the blade bolt.
Remove nut from the blade bolt.
Remove blade from the blade assembly.
BLADE SHARPENING
Blades can be sharpened with a file or grinding wheel.
•
NOTE: When sharpening blades take care to maintain
blade balance. Sharpen both blades equally even if one
blade does not need to be sharpened. Check balance by
weighing each blade to make sure they are equal in weight.
CLEANING THE MOWER
Water pressure from a garden hose will remove fresh
clippings from the underside of the mower. Clean mower
after each mowing.
CAUTION:
DAILY MAINTENANCE
IF YOUR BLADE BOLTS SHOW WEAR,
REPLACE THEM WITH FACTORY
REPLACEMENTS ONLY.
Make sure all nuts and bolts are tight, cotter pins and
retainer springs are secure. Keep blades sharp. Observe
all Safety Precautions. Keep mower well lubricated.
TO REINSTALL BLADES
REPAIR PARTS
•
Assemble a blade bolt through a flat washer, a blade
and then another flat washer.
•
Assemble the bolt through the hole in the stump
plate and the blade hub assembly.
Assemble a flat washer and nut onto the blade bolt.
Tighten nut, then loosen just until blade can pivot.
Install a cotter pin to secure the nut.
Your rotary mower has been produced with components
designed for your unit. Although standard V-belts,
bearings, blades, pulleys, etc. may look like parts used
on your rotary mower, while similar in appearance many
are of a different construction and could in some cases
cause a malfunction in the operation of the machine.
•
•
•
TO REINSTALL BLADE ASSEMBLY TO MOWER
•
•
•
•
Reinstall key in spindle shaft, if necessary.
Install the blade assembly onto the spindle shaft.
Secure with flat washer and nut.
Torque the spindle shaft and nut to 15 FT. LBS. and
secure with a hair cotter pin.
For continued satisfactory performance use only repair
parts supplied by the manufacturer. See the dealer
where the mower was purchased for factory replacement
parts.
18
CUSTOMER RESPONSIBILITIES
INNER NUT
CLUTCH CABLE ADJUSTMENT
CL
• Remove four screws from Rear Drive Cover. Lay aside
•
cover and screws.
• Place Clutch Lever in "DISENGAGED" position
• The Cable should be under slight tension but should
not pull the Clutch Lever more than 1/8" away from
the Switch Body.
•
•
NOTE: If the Plunger extends more than 1/8" out from
the switch body, the cable tension is too tight and the
Engine will not start.
NO
the
Eng
OUTER NUT
TO INCREASE CABLE TENSION
• Place Blade Clutch Lever in the "DISENGAGED"
position.
TO
•
• Loosen the inner nut on the Clutch Cable.
• Tighten the outer nut on the Clutch Cable.
•
•
TO DECREASE CABLE TENSION
• Place Blade Clutch Lever in the "DISENGAGED"
position.
TO
•
• Loosen the outer nut on the Clutch Cable.
• Tighten the inner nut on the Clutch Cable.
• Repeat the above procedure until you have the
correct tension.
•
•
•
SWITCH
BODY
IDLER
PULLEY
ENGINE
PULLEY
1/8"
PLUNGER
CLUTCH LEVER
BLADE
PULLEY
FOUR
SCREWS
REAR DRIVE
COVER
CLUTCH LEVER
19
CUSTOMER RESPONSIBILITIES
INSTALLING NEW V-BELT
V-BELT REPLACEMENT
• V-belt must be replaced if it becomes stretched to
the point that it can no longer be adjusted, or if it
becomes frayed or otherwise can not function
properly.
• Move Blade Clutch Lever to the "DISENGAGED"
position.
• Feed new V-belt between the two belt guides at the
Engine Pulley.
• Place V-belt up and around the Engine Pulley. Check
to make sure the V-belt is seated properly in the
groove of the Engine Pulley.
• Place V-belt along inside of Idler Pulley.
• Wrap V-belt down around Blade Pulley, placing Belt
inside of Rear Belt Guides.
• Reinstall V-belt Keeper Rod and secure with Small
Hair Pin. Check to make sure V-belt is over top of
Keeper Rod.
CAUTION:
DISCONNECT SPARK PLUG WIRE
• Reposition and retighten two Rear Belt Guides at the
rear of the Blade Pulley. Leave approximately 1/16"
between Guides and Pulley.
• Reinstall Clevis Pin and Hair Pin into Clutch Cable.
• Reinstall Front Drive Cover and Rear Drive Cover.
REMOVING OLD V-BELT
• Remove Rear Drive Cover.
• Remove Front Drive Cover.
• Remove Hair Pin and Clevis Pin from Clutch Cable.
• Loosen two Rear Belt Guides and pivot them away
from Blade Pulley.
• Remove V-belt from around Blade Pulley.
• Remove one small Hair Pin from Belt Keeper Rod
and slide Belt Keeper Rod to the side.
• Pull V-belt down from around Engine Pulley and
remove V-belt from Mower.
BELT GUIDES
HAIRPIN AND CLEVIS PIN
BLADE PULLEY
REAR BELT GUIDES
ENGINE PULLEY
BELT KEEPER ROD
V-BELT
20
STORAGE
21
42" ROUGH CUT TRAILMOWER - MODELS 45-03072 & 45-03611
22
42" ROUGH CUT TRAILMOWER - MODELS 45-03072 & 45-03611
ITEM PART NO. DESCRIPTION
ITEM PART NO. DESCRIPTION
1.
HA24255
HA24378
HA23193
HA24292
HA24293
HA3090
HA24294
HA24295
45100
MOWER DECK
41.
42.
43.
44.
45.
46.
47.
48.
50.
51.
52.
53.
55.
56.
57.
58.
HA24312
HA24313
HA9131
25428
ROD CHAIN
2.
GUARD WHEEL
BRACKET CHANNEL
SCREW SELF THREADING
PLATE ENGINE MOUNTING
ENGINE, 11 HP
3.
SCREW 3/8-16 X 1-1/4 THD. FORMING
BRACKET BELT GUIDE
ROD BELT GUIDE
4.
5.
49161*
6.
PIN HAIR COTTER
HA24457
HA3073
HA115321
43555
PULLEY
7.
V-BELT (B SEC. 60" O.C.)
CHANNEL CLUTCH LEVER
BOLT 1/2-13 X 4" HEX HEAD
WASHER 1/2 FLAT
KEY 1/4" SQ. X 1"
8.
SCREW 5/16-18 X 5/16 SOC. SET
WASHER 7/16" LOCK
BOLT 7/16-20 X 1-1/4 HEX HEAD
COVER, GAS TANK
COVER, FRONT DRIVE
BOLT 5/16-18 X 3/4 HEX HEAD
NUT 5/16-18 HEX LOCK
COVER, REAR DRIVE
TANK GASOLINE
9.
10.
11.
12.
13.
14.
15.
16.
17.
HA120396
43262
HA181668
25051
NUT 1/2-13 HEX LOCK
WASHER FLAT
HA14232
HA24296
44101
25265
ROD CLUTCH LINK
43182
PIN, COTTER 3/32" X 3/4"
WASHER FLAT 5/16" STD. WRT.
SPRING CLUTCH
43064
43081
25264
HA24297
HA24617
49165
HA23732
HA24317
HA163318
HA23733
48837
CLUTCH CABLE ASSY (Model 45-03071) 59.
CLUTCH CABLE ASSY (Model 45-0361) 60.
PLATE FUEL TANK
SCREW 1/4-14 X 7/8 TAPPING PAN HEAD
CAP GASOLINE TANK
HOSE FUEL TANK LONG
HOSE FUEL TANK SHORT
CLAMP FUEL LINE
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
25292
STRAP, CLUTCH ADJUSTING
BOLT, 1/4-20 X 1" HEX HEAD
NUT 1/4-20 HEX LOCK
BRACKET INTERLOCK MOUNTING
SWITCH INTERLOCK
MODULE ASSY WITH WIRES
NUT #10-24 HEX
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79
43661
43016
HA24455
HA23792
HA23791
48095
25262
HA23199
64904
FILTER FUEL LINE
PIPE
712-0121
47078
48096
CAP
SCREW #10-24 X 3/4"
SCREW 1/4-20 WASHER HEAD
CLIP, CORD
HA24310
HA12138
HA12315
HA12314
HA24365
HA24366
HA126145
43982
BRACKET ROLLER
48840
ROLLER MOWER
48298
DECAL DANGER (HAND)
DECAL DANGER
HA24300
HA24301
HA4143
HA137258
HA24308
HA23229
HA24309
HA6979
43020
WHEEL MOUNTING BRACKET L.H.
WHEEL MOUNTING BRACKET R.H.
WASHER FLAT
DECAL OPERATION/CAUTION
DECAL HEIGHT ADJUSTMENT
BOLT 1/2-13 X 7" HEX HEAD
PIN, CLEVIS 1/4" X 5/8"
BELT GUIDE
PIN COTTER 3/16" X 1-3/4"
TIRE
CAP HUB
HA22981
HA24298
49156
STRAP ADJUSTING
SPRING RETURN
WASHER FLAT
ROD, CABLE GUIDE
NUT 1/4-20 HEX
BOLT 1/2-13 X 1-1/2 HEX HEAD
NUT 1/2-13 HEX JAM
PIN LOCATING
43013
43019
80.
44488
WHEEL BEARING
HA23220
47134
PIN HAIR COTTER .08" X 1.58"
CHAIN DEFLECTOR
* Order engine repair parts from your nearest Briggs & Stratton
dealer.
HA24311
23
42" ROUGH CUT TRAILMOWER - MODELS 45-03072 & 45-03611
24
23
9
12
11
4
34
6
8
5
7
4
2
21
22
3
1
18
20
25
22
18
13
33
32
14
15
25
16
18
21
17
30
31
28
19
23
26
24
25
37
6
5
4
36
28
27
35
27
38
6
28
15
28
29
24
42" ROUGH CUT TRAILMOWER - MODELS 45-03072 & 45-03611
ITEM
PART NO.
DESCRIPTION
1.
64906
IDLER MOUNTING BRACKET
IDLER ARM
2.
64899
3.
24472
BUSHING
4.
43070
WASHER FLAT
5.
43003
WASHER 3/8" LOCK
BOLT 3/8-16 X 1-1/2" HEX HEAD
SPACER
6.
43062
7.
49148
8.
HA21341
43054
IDLER PULLEY (FLAT)
BOLT 3/8-16 X 2" HEX HEAD
NUT 3/8-16 HEX LOCK
GUIDE BELT
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
43082
HA22981
HA22224
43087
SCREW 3/8-16 X 3/4 SELF TAPPING
BOLT 3/8-16 X 1-1/4" HEX HEAD
WASHER FLAT
HA15200
HA21362
HA24367
HA24278
HA24280
64913
NUT 3/8-16 NYLOCK
GREASE FITTING
HUB (WITH STUDS)
BEARING
HUB BLADE
49148
SHAFT SPINDLE
HA24282
HA3073
HA456151
HA427639
43010
SEAL O-RING
KEY 1/4" SQ X 1"
WASHER 13/16 X 1-1/2 X .134 FLAT
NUT 3/4-16 SLOTTED HEX
PIN 1/8" X 1" COTTER
DISC BLADE MOUNTING
BLADE
HA24624
HA24288
HA24625
HA24592
HA137258
HA24593
43353
WASHER - FLAT
BOLT - 7/8-9 X 2-1/4 HEX BOLT
PIN 3/16 X 1-3/4 COTTER
NUT 7/8-9 SLOTTED HEX
WASHER 1/2 MED. LOCK
NUT 1/2-20 HEX
HA120371
65102
PULLEY, SPINDLE
BRAKE
64902
49155
TRUNNION
49160
BRAKE ROD
HA20186
SPRING
25
42" ROUGH CUT TRAILMOWER - MODELS 45-03072 & 45-03611
ITEM
PART NO.
DESCRIPTION
ITEM
PART NO.
DESCRIPTION
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
43013
NUT 1/4-20 LOCK
1.
25273
TUBE DRAWBAR (MODEL 45-0361)
TUBE DRAWBAR (MODEL 45-03071)
STRAP HITCH
HA23262
HA23265
64910
DECAL ENGINE SHUT-OFF
DECAL CLUTCH LEVER
BRACKET DRAWBAR ADJUSTMENT
DRAWBAR SWIVEL
HA24321
HA24441
HA20186
44180
2.
3.
SPRING EXTENSION
HA24326
HA5074
HA15200
43003
4.
BOLT 5/16-18 X 2" HEX HEAD
NUT 5/16-18 HEX LOCK
HITCH ASSEMBLY
FITTING GREASE
5.
43064
WASHER
6.
64909
WASHER 3/8 LOCK
7.
HA180132
43509
BOLT 3/8-16 X 2-1/4 HEX HEAD
BOLT 3/8-16 X 2-3/4 HEX HEAD
WASHER 3/8 FLAT
43087
BOLT 3/8-16 X 1-1/4 HEX HEAD
PIN CLEVIS
8.
HA24330
HA3341
HA22759
HA23761
HA9411666
49164
9.
43070
PIN HAIR COTTER, 5/32"
SWITCH ON/OFF
10.
11.
12.
13.
14.
15.
16.
43082
NUT 3/8-16 HEX LOCK
HA23636
47134
PIN CLEVIS
CLIP HOSE 3/8"
PIN HAIR COTTER .08 X 1.58
LEVER CLUTCH
SCREW #10-16 X 1/2 SELF TAPPING
WIRE HARNESS (MODEL 45-0361)
WIRE HARNESS (MODEL 45-03071)
49157
43062
BOLT 3/8-16 X 1-1/2 HEX HEAD
SPRING COMPRESSION
BOLT 1/4-20 X 3/4 HEX HEAD
HA24353
HA19445
43012
26
WIRING DIAGRAM
SWITCH
BLACK WIRE
FROM MODULE
TO SWITCH
BLACK WIRE
FROM MODULE TO
ENGINE GROUND
BLACK WIRE
FROM MODULE
TO SWITCH
BLACK WIRE
FROM ON/OF SWITCH
TO MAGNETO GROUND
RED WIRE FROM MODULE
TO MAGNETO GROUND
ENGINE ON/OFF SWITCH
ELECTRONIC
CONTROL
MODULE
ENGINE
BLACK WIRE
FROM ON/OFF SWITCH
TO ENGINE GROUND
OIL
27
REPAIR PARTS
Agri-Fab, Inc.
303 West Raymond
Sullivan, IL. 61951
217-728-8388
© 2004 Agri-Fab, Inc.
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