10.If
ing cylinder from axle (see Steering Cylinder in Service
and Repairs section of Chapter 4 -- Hydraulic System).
neededforfurtheraxledisassembly,removesteer-
9. Fill axle with SAE 85W--140 weight gear lube (see
Traction Unit Operator’s Manual).
10.Check
rearwheeltoe--inandadjustifnecessary(see
11.
If required, remove tie rod ends from steering arms
Traction Unit Operator’s Manual).
on rear axle (Fig. 9). Remove the cotter pins and castle
nuts from the tie rod ball joints. Use a ball joint fork and
remove the tie rod ends from the axle steering arms.
11.
Check steering stop bolt adjustment. When the
steering cylinder is fully extended (right turn), a gap of
(1.6 mm) should exist between bevel gear case
1/16”
12.Clean
spectthepinandbushingsforwearordamage.Replace
components as necessary.
the rear axle pivot pin and pivot bushings. In-
casting and stop bolt on left axle case. Figure 10 shows
stop bolt location.
Install Rear Axle
4
3
2
1.
If removed, install steering cylinder to axle assembly
5
(seeSteering Cylinder inService andRepairs section of
Chapter 4 -- Hydraulic System).
1
2.
Tighten ball joint castle nuts and install new cotter pins.
If removed, install the tie rod to rear axle (Fig. 9).
6
3.
Support axle under machine with a jack. Position
axle assembly to rear frame mount.
4.
Install axle pivot pin to secure axle to frame. Make
sure to install thrust washer between axle pivot and
frame on both ends of the pivot. With washers installed,
there should be from .002 to .020 inch (.05 to .51 mm)
clearancebetweenrearframemountandaxlemounting
boss. Add thrust washers if needed to adjust clearance.
Figure 9
4.
5.
6.
1.
2.
3.
Tie rod
Dust cover
Cotter pin
Castle nut
Tie rod end
Steering arm (LH)
5.
nut should be tightened enough to allow pivot pin to ro-
tate (70 ft--lb (94 N--m) maximum).
Install flat washer and lock nut onto pivot pin. Lock
6.
Axle Motor in Service and Repairs section of Chapter 4
Install hydraulic motor to axle assembly (see Rear
1
--
Hydraulic System).
7.
Install hydraulic hoses to steering cylinder and input
2
gear case.
WARNING
Failure to maintain proper wheel lug nut
torque could result in failure or loss of wheel
and may result in personal injury.
Figure 10
1.
Steering stop bolt
2.
Bevel gear case (LH)
8.
to100ft--lb(115to135N--m).Lowermachine toground.
Install wheels to axle. Torque wheel lug nuts from 85
Groundsmaster 4500--D/4700--D
Page 6 -- 13
Axles, Planetaries, and Brakes (Rev. B)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4500 D, Toro Groundsmaster 4700 D |
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|
| Document Type | Service Manual |
| Language | English |
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