Rear Axle Removal (Fig. 9)
Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
D. Press new bushings into the axle pivot bore until
bushing is flush with axle.
1.
E. After bushing installation, make sure that pivot
pin slides easily into bushings. If binding is noted, lo-
cate and correct source of binding.
2.
3.
moval in this section). Make sure that machine is sup-
ported with appropriate jack stands.
Chock frontwheelstopreventmachine fromshifting.
Removebothrearwheelassemblies(seeWheelRe-
5
4
2
4.
the tie rod ends to the drag links. Separate the tie rod
ends from the drag links and remove tie rod from axle.
Remove cotter pins and slotted hex nuts that secure
3
5.
ingCylinderRemovalintheServiceandRepairssection
of Chapter 4 -- Hydraulic System).
Remove steering cylinder from rear axle (see Steer-
6.
Rear Axle Motor Housing Removal in this section).
Remove wheel motor housings from rear axle (see
1
7.
To allow removal of the rear axle pivot pin, remove
the three (3) cap screws, lock washers and spacers that
secure CrossTrax AWD control manifold to frame
FRONT
TM
(Fig. 10). Lower and support manifold taking care to not
damage hydraulic tubes.
Figure 10
1.
2.
3.
AWD control manifold
Frame bracket
Spacer (3 used)
4.
5.
Lock washer (3 used)
Cap screw (3 used)
8.
(item 9) that secure the axle pivot pin (item 6) to the
frame.
Remove the jam nut (item 10) and thrust washer
Tie Rod Assembly (Fig. 11)
9.
Support rear axle to prevent it from falling.
the axle pivot pin from frame and rear axle. This
NOTE: The tie rod ball joint and jam nut at the grooved
end of the tie rod have left hand threads.
10.Pull
will release the rear axle and thrust washers (item 7)
from the frame.
1. Loosenjamnutsandthenunscrewballjointsfromtie
rod.
11.
Carefully remove the rear axle from the machine.
Take care to not damage the CrossTrax AWD control
TM
2. Thread new ball joints equally into tie rod so that ball
joint center to center length is 36.240” (920.5 mm).
manifold or attached hydraulic tubes during axle remov-
al.
3.
Thoroughly clean the tapered surfaces of the tie rod
ball joints before installing tie rod to drag links on rear
axle.
Rear Axle Service
1.
Thoroughly clean the rear axle pivot pin. Inspect the
pin for wear and replace pivot pin if worn or damaged.
36.240”
(920.5 mm)
2.
Thoroughly clean the rear axle pivot and inspect the
1.490”
bushings in rear axle for wear or damage. If bushings
need replacement:
(37.8
mm)
A. Use a bushing removal tool to extract both bush-
ings from the axle pivot. Takecare tonot damage the
bore of the axle.
B. Clean the inside of the axle pivot to remove any
dirt or foreign material.
2
3
6
1
5
4
Figure 11
1.
2.
3.
Tie rod
Ball joint (LH thread)
Jam nut (LH thread)
4.
5.
6.
Ball joint
Jam nut
Tie rod groove
C. Apply grease to the inside and outside of the new
bushings.
Groundsmaster 4300--D
Page 6 -- 13
Chassis
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