Service Manual

Page 16
Do Not Remove the Planetary Pinion
Shafts from the Planet Spider
NOTE: The planetary pinion shafts are not
serviceable items. Be careful not to bump or
damage the pinion shafts.
CAUTION
The planetary pinion shafts are not serviceable
items and must not be pressed out of the
planetary spider shaft.
The planetary pinion shafts are precisely "fixture
located" in the spider by a heavy press fit. Removal
and reassembly of the pinion shafts can change the
precision pinion shaft locations relative to each other.
Disassembly of the Wet Brake Assembly
If the axle being serviced has a wet disc brake, use
the following recommended service procedure.
Figure 2.17. Set aside each component as removed
for later inspection and reassembly in the correct
order with mating surfaces together. Should the axle
being serviced be less wet brake, move to the
next section Disassembly of the Axle Shaft, Snap
Ring, Sun Gear Assembly.
NOTE:
Number or stack in order of removal the
friction discs and stationary plates as a reference
during later reassembly.
1. The backing plate may now be removed by sliding
the backing plate of
f the dowels located in the axle
housing flange.
2. Friction disc can be removed by sliding of
f the sun
gear teeth.
3. The brake stationary plate can be removed by
sliding along the axle housing dowels.
!
NOTE: Capscrews in spring housing had a medium
strength thread locker applied at original production
assembly.
NOTE: These capscrews also compress the brake
return springs on the spring dowels within the brake
assembly. Figure 2.18.
4. Loosen the (2) M8 spring housing to axle housing
capscrews and washers that retain the wet brake
piston assembly.
5. Remove the axle shaft, sun gear, snap ring, and
thrust washer assembly from the axle housing. The
thrust washer may come out with the axle shaft
assembly or may stay within the spring housing.
Should the thrust washer stay within the spring
housing, remove separately after the axle shaft is
removed.
6. Remove the spring housing capscrews, washers
and return springs from the spring dowels with the
spring housing from the axle.
7. Remove the wet brake piston and (2) D-Rings
attached.
8. Remove the (2) D-Rings from the wet brake piston
for later inspection and reassembly.
NOTE: Dowels might have a light press into the axle
housing. If being removed, care should be taken not
to damage the dowels to be reused in later reassembly.
9. Remove the (2) wet brake spring dowels from axle
housing, only if required.
CAUTION
Follow recommended glue manufacturers
recommendations for safe usage and to avoid
potential ir
ritation to skin, eyes, etc.
!
Figure 2.17
STATIONARY
PLATE
FRICTION DISC
BACKING PLATE
DOWEL
Figure 2.18
SPRING DOWEL
SPRING
THRUST
WASHER
SUN GEAR
M
8 CAPSCREWS AND WASHERS
SPRING HOUSING
AXLE SHAFT
PISTON
D-RING SEALS
SNAP RING
Section 2
Removal & Disassembly