Service Manual User Manual

10.
WARNING: When rebuilding the unit, the ‘O’
rings and Retaining Rings should always be
W3-P “A” Drive
Disassembly Procedure
Loosen all 12 Cover Bolts and drain the oil
from the unit.
Remove the 12 Cover Bolts and lift off the
Cover Sub-Assembly. Discard the ‘O’ ring
Seal from the Cover counterbore.
Lift out the Carrier Sub-Assembly and
Thrust Bearing Set. A Thrust Washer may
stick inside the Cover.
Pry the Ring Gear loose and remove it.
Discard the ‘O’ ring Seal from the Hub
counterbore.
Remove the Input Shaft. Input Gear, and
the Thrust Spacers that are on the Input
Shaft.
Lift out the Internal Gear and Thrust
Bearing Set. A Thrust Washer may stick
to the bottom of the Carrier.
Remove the Retaining Ring from the
Spindle and discard; then lift the hub off
the Spindle.
Eye protection should be worn during
Retaining Ring removal.
The inside Bearing Cone and the Bearing
Shim can now be removed.
The Seal can be pried out of the Hub with
screw driver or pry bar. This will also
allow the outside Bearing to be removed.
Note: If bearing replacement is necessary,
the Bearing Cups can be removed
with a “slide hammer puller” or driven
out with a punch.
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4.
5.
6.
8.
7.
9.
To remove the Cluster Gears from the
Carrier, drive the anti-roll pin into the
Planet Shaft of the Cluster Gear. After the
Planet Shaft is removed the roll pin should
be driven out of the Planet Shaft.