Power Train Disassembly & Assembly
10. Install the brake camshaft bracket clamp around
the bracket tube and install the two capscrews
and washers that mount the clamp to the axle
housing. Tighten the capscrews to 35-50 lb•ft (47-
68 N•m).
NOTE : Refer to the brake section of this manual, to
install the brake camshaft, anchor pin components,
brake shoes, brake springs, slack adjusters and
related parts.
11. Install the air chamber to bracket mounting nuts.
Tighten the nuts to 100-115 lb•ft (136-156 N•m).
12. Attach the push rod yoke to the slack adjuster.
Tighten the yoke jam nut to 25-50 lb•ft (34-68
N•m).
13. Install the brake dust shield. Tighten the
mounting capscrews and washers to 35-50 lb•ft
(47-68 N•m).
Assemble the Wheel End
1. Press the new inner and outer bearing cups (27,
22) into the wheel hub (24).
2. Position the wheel hub (24) with the oil seal bore
facing UPWARD.
3. Apply axle gear lubricant to the bearing rollers and
install the inner wheel bearing cone (28).
CAUTION : Do not damage the hub oil seal bore
surface in the wheel hub. Damage to this surface will
result in oil leakage after assembly.
NOTE : Eliminate oil leakage from the outer diameter
of the seal by applying a light film of non-hardening
sealant to the hub bore surface. The hub oil seal is a
“unitized” oil seal. The rolling seal lips are internal.
The rubber ribs in the bore of the seal seat onto the
spindle journal surface for static sealing. The ribs
must not be cut or damaged to avoid an oil leak path.
4. Use the correct oil seal driver to install the wheel
hub oil seal (29). Press the seal into the hub until
the standout from the hub machined face is 0.34
inch (8.64 mm).
5. Apply a light film of axle lubricant to the hub oil
seal (29) rubber ribs in the oil seal bore.
6. Install the wheel hub, inner bearing and oil seal
assembly onto the spindle (30). Keep the hub
assembly aligned with the spindle.
7. Apply axle lubricant to the outer bearing cone (21)
rollers. Install the outer bearing cone onto the
planetary ring gear hub (20).
8. Install the ring gear hub and bearing assembly (20,
21) onto the spindle (30).
9. Install the wheel bearing adjusting nut (16).
10. Adjust the wheel bearing preload.
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