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3 - 22
REAR AXLE
PINION SEAL
REMOVAL
(1) Remove wheels.
(2) Push back brake pads and release hand brake.
NOTE: If it is not possible to spin rear axle shafts
manually, detach rear brake cables.
(3) Drain rear axle oil.
(4) Remove propeller shaft.
(5) Spin pinion flange by hand and check axial
play of bearing.
CAUTION: There must not be any thrust bearing
play. If play excess or there are particles (shavings)
in the drained oil, replace gear assembly.
(6) Mark installation position of collared nut (Fig.
26) with respect to drive pinion.
Fig. 26 COLLARED NUT
1 - PINION FLANGE
2 - COLLARED NUT
(7) Unlock collared nut.
(8) Hold pinion flange with Flange Wrench C-3281
and remove nut.
(9) Remove pinion flange from pinion shaft with
Flange Puller 8992 (Fig. 27).
(10) Check sealing surfaces of joint flange for score
marks and replace joint flange if necessary.
(11) Remove both pinion radial seals (Fig. 28).
INSTALLATION
(1) Pack space between dust lip and sealing lip on
radial seal ring with multi-purpose grease.
(2) On radial seal rings without rubberized exter-
nal surface, coat outer circumference with sealant.
Fig. 27 FLANGE PULLER
1 - FLANGE PULLER
2 - PINION FLANGE
Fig. 28 PINION SEALS
1 - SEALS
2 - AXLE
CAUTION: Do not coat partially rubberized seals
with sealant.
(3) Drive new pinion radial seals into rear axle
housing as far as the stop using Installer 9276 (Fig.
29).
(4) Fit coupling flange on drive pinion shaft.
NOTE: The groove in the drive pinion and the
groove in the joint flange must be in alignment.
(5) Hold pinion flange with Flange Wrench C-3281.
(6) Screw on the collared nut illustrated up to the
marking applied beforehand.
(7) Detach retainer wrench from joint flange.
(8) With a torque wrench, measure torque to
rotate pinion and record measurement.
VA
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