AXLES/DRIVE SHAFTS/WHEELS AND TIRES CD3340B/YB4411
8-34
Published 04/07/2015 Control # 569-00
8. Bleed the brakes. See Brake System, page 9-1.
9. Lower the wheels to the ground.
10. Bleed the steering lines, see Steering System, page 10-
1.
REAR STEERING AXLE REPAIR
Removal
1. Lower the outriggers to raise the rear axle. Place blocks
under the rear of the frame. Remove the rear wheels
and tires.
2. Disconnect the hydraulic hoses from the steering
cylinder. Plug and cap the hoses and ports.
3. Place a wheel jack under the axle beam. Remove the
axle mounting bolts (36, Figure 8-138) and self-locking
nuts (35). Carefully lower the axle. Remove the axle
from under the machine.
Disassembly
Axle Hub
1. If axle is attached to the frame, remove the rear wheels
and tires. See warning above.
2. Remove hub cap (20, Figure 8-138). Then remove the
cotter pin (19), slotted nut (21), washer (22) and outer
bearing cone (18).
3. Pull hub (24) from spindle (9 or 10).
4. Remove the inner bearing cone (15) from the hub.
5. Remove outer oil seal retainer (14) and felt seal (13). Do
not remove inner oil seal retainer (12) and spacer (11)
from the spindle unless replacement is necessary.
6. Repeat steps 2 though 5 on the other side.
Steering Knuckle
NOTE: The steering knuckle can be removed without
disassembling the axle hub.
1. Disconnect the steering cylinder (3) from one of the
steering knuckles (9 or 10, Figure 8-138).
2. Remove cotter pin (1) and slotted nut (part of item 29).
Disconnect ball joint (29) from the steering knuckle using
a tie rod fork and hammer.
3. Using a hammer and soft punch, remove retainer pin (5).
4. Remove retainer ring (27). Remove pin (8) and thrust
washers (6 and 31). Then remove steering knuckle (9 or
10). Use care not to damage shims (38 - 41) when
removing the steering knuckle. Keep the shims together
for assembly.
5. If necessary, repeat the steps 1 through 4 for the other
steering knuckle.
Inspection
Clean all parts thoroughly.
Make a careful inspection of all bearing cups and cones;
including those not removed. Replace if rollers or cups are
worn or show indication of damage or distortion. Bearing
cones and cups must be replaced as a set.
Replace all parts which have damage. Also, replace any
bolts with rounded corners, and all lockwashers and seals at
time of assembly.
WARNING
Crushing Hazard!
A raised and badly supported machine can fall on you
causing severe injury or death. Position the machine on a
firm, level surface before raising one end. Ensure that the
other end is securely chocked. Do not rely solely on the
machine’s hydraulics or jacks to support the machine
when working under it.
Disconnect the battery cables while you’re under the
machine to prevent the engine from being started.
Reference Only
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