Power Train Disassembly & Assembly
Remove the Spindle and Brake
Spider
To prevent serious personal injury and possible
damage to components, be very careful when
using lifting devices during service and
maintenance procedures.
•
Inspect to make sure that neither lifting strap is
damaged.
•
Do not subject lifting loops or lifting straps to any
shock or drop loading.
Removal of the capscrews allows the spindle and
brake assembly to separate. They can fall from the
planetary axle housing and cause damage to
components and serious personal injury.
1. To prevent the spindle (29) and the brake spider
from falling after all the mounting capscrews (27)
are removed, use one of the following procedures:
a. Use a lifting device to support the spindle during
disassembly.
b. Remove only two capscrews. Replace them
with two temporary 0.75 inch-10 UNC thread
studs 4 inches (102 mm) long before the
remaining capscrews are removed.
– Install one stud at the 11 o’clock position.
– Install one stud at the one o’clock position.
2. Remove the two capscrews and washers that
mount the clamp around the brake camshaft
housing tube to the axle housing.
3. Remove the capscrews (27) and washers (28) that
mount the brake spider and spindle (29) to the
axle housing.
4. Remove the brake spider and air chamber
assembly from the spindle (29).
5. Remove the spindle (29) from the axle housing. If
necessary, tap lightly on the spindle to loosen the
pilot fit and to overcome the adhesion due to cured
gasket material in the flange joint.
Assemble the Spindle, Brake
Spider and Brake
To prevent serious eye injury, always wear safe
eye protection when you perform vehicle
maintenance or service.
1. Install two temporary studs (0.75 inch-10 threads,
approximately 4 inches long) into the axle housing
flange. Install the studs at the 11 o’clock and 1
o’clock positions.
When you apply some silicone gasket materials,
small amounts of acid vapor are present. To
prevent possible serious injury, the work area
must be well-ventilated. If the silicone gasket
material gets into your eyes, flush them with water
for 15 minutes. Have your eyes checked by a
doctor as soon as possible.
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