Install Top Link
44
40
9
10
9. Link, rear offset
10. Link, front offset
11. Link, U-bracket
30. Sleeve,15.9 x 21.3 x 73.0 mm
(.62 x .84 x 2.88")
40. Screw, HHCS 1/2 NC x 4-3/4 GR5
44. Nut, flanged lock 1/2 NC
Figure 30
. Top Link Assembled
1.
Insert cap screw (40) through rear offset links (9), sleeve (30),
U-bracket (11) and front offset links (10) as shown and tighten
securely with nut (44).
2.
Tighten hardware on rear frame lug and offset link.
Install Rear Caster Arm
20
20. Caster arm assembly
44. Nut, flanged lock 1/2 NC
60. Screw, HHCS 1/2 NC x 1-3/4 GR5
Figure 31.
Rear Caster Arm Installed
1.
Remove rear caster wheel assembly (20) from shipping position and
install as shown in Figure 31 using the same bolts (60) and nuts (44).
2.
Repeat for opposite side.
22 Assembly
3.
4.
11
Torque Caster Arm Hardware
1.
30
2.
3.
Install Driveline Shield
Attach shield (2), Figure 32, to gearbox (1) with cap screws (5) and flat wash-
ers (4).
CM757
CM757-1
A. Gearbox input shaft
B. Locking collar
C. Anti-rotation chain
1. Gearbox
2. Shield
3. Driveline
4. Washer, flat standard 5/16
5. Screw, HHCS 8 mm x 1.25P x 16 mm
44
Install Driveshaft
60
1.
2.
Fill Gearbox
■
each gearbox is filled half-full with 80W or 90W API GL-4 or GL-5 gear
lube.
1.
2.
3.
4.
Tighten bolts so that caster arm is snug against deck bracket, but not fully
torqued.
NOTE:
Refer to Front Caster Wheel Interference Check, page 10 for
possible front caster arm positions.
Attach front caster arm in desired position and tighten snug against deck
bracket.
Lift mower off shipping pallet and set on a hard level surface. This allows
clearance in the caster wheel assemblies to be equalized.
Tighten all cap screws and nuts on all four caster wheel arms.
Torque all cap screws and nuts to 115 N-m (85 lbs-ft).
Figure 32.
Rear Driveshaft Installation
Pull locking collar (B) back and, at the same time, push driveline onto
gearbox shaft until locking device engages.
Attach shield anti-rotation chain (C) to drive shield (2) as shown.
NOTICE
Gearbox is not filled at the factory. Prior to delivery, make sure
Make sure vent plug hole is clear. Fill gearbox half-full with high quality
gear oil that has a viscosity index of 80W or 90W and an API service
rating of GL-4 or GL-5.
Fill gearbox until oil runs out the side plug on gearbox.
Pour in one pint of gear lube, wait five minutes and add additional gear
lube until it just comes out of side hole.
Allow an additional five minutes for the lube to flow through bearings,
then check to make sure oil level is at bottom of side hole. Replace side
plug. Install vent plug.
MAN1260 (4/09/2018)