User manual

Groundsmaster 4000--D/4010--D Page 6 -- 17 Axles, Planetaries a nd Brakes
8. Removecapscrew andflangenut thatsecuresfront
corner of 4WD hydraulic manifold to rear axle mount
bracket.
9. If required, remove tie rod ends from steering arms
onrearaxle(Fig.13).Removethecotterpinsandcastle
nuts from the tie rod ball joints. Use a ball joint fork and
remove the tie rod ends from the axle steering arms.
10.Support rear axle to prevent it from falling. Remove
six (6) cap screws,flatwashersand flange nuts that se-
cure rear axle mount to equipment frame. Lower rear
axle and rear axle mount from machine.
11.Remove lock nut and washer from pivot pin that at-
taches rear axle to rear axle mount. R emove washer
headscrewthatsecuresflangeofpivotpintoaxlemount
(Fig. 14).
12.Remove pivot pin. Separate rear axle mount from
rear axle. Note location of thrust washers on both ends
of axle mounting boss.
Installation (Fig. 11)
1. Position rear axle mount to axle. Install thrust wash-
ers between axle boss and axle mount. The thinner
thrustwashershouldbeinstalledonthehydraulicmotor
end of the axle (toward the r ear of the machine). With
washersinstalled,thereshouldbefrom0.002”to0.020”
(0.05 mm to 0.51 mm) clearance between rear axle
mount and axle mounting boss. Add thrust washers if
needed to adjust clearance.
2. Install axle pivot pin to secure axle to rear axle
mount. Install washer and lock nut onto pivot pin. Tight-
en lock nut and then loosen it slightly to allow the axle
pin to pivot freely. Secure pivot pin to axle mount with
washer head screw (Fig. 14).
3. Position axle and rear axle under machine. With a
jack,raiseassemblytomachineframeandalignmount-
ing holes of rear axle mount and machine frame.
4. Secure rear axle mount to frame with six (6) cap
screws, flat washers and flange nuts.
5. Install cap screw and flange nut that secures front
corner of 4WD hydraulic manifold to rear axle mount
bracket.
6. If removed, install the tie rod to rear axle (Fig. 13).
Tighten ball joint castle nuts and install new cotter pins.
7. Attach steering cylinder hydraulic tubes to rear axle
mount bracket with washers and bulkhead lock nuts
(Fig. 12). Install steering cylinder hoses to hydraulic
tubes.
1. Hydraulic hose
2. Hydraulic hose
3. Hydraulic tube
4. Hydraulic tube
5. Axle mount bracket
Figure 12
4
3
2
1
5
1. Tie rod
2. Dust cover
3. Cotter pin
4. Castle nut
5. Tie rod end
6. Steering arm (LH)
Figure 13
1
2
3
5
4
6
1. Pivot pin 2. Washer head screw
Figure 14
1
2
Axles, Planetaries
and Brakes