Wheel hub components assembly – Spicer Drive Axles Service Manual Wheel Reduction Drive Axles (EA-50) User Manual
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Wheel Hub Components Assembly
Sun Gear and Axle Shaft
1. Slide sun gear onto splines at wheel end of
axle shaft.
• The part number side of gear should be
away from shaft.
• On “D” model axles, ensure that the
double or long spline shaft end is
installed in the differential lock
cylinder side.
2. Install snap ring onto end of axle shaft.
Wheel Hub Installation
1. Install oil seal and seal band onto spindle.
2. Install wheel hub assembly on spindle.
3. Install ring gear mount assembly into hub.
4. Install washer on sindle against ring gear
support.
5. Install nut on spindle with stepped diameter
against washer. Torque nut to 250 ft.-lbs.
(350 ft.-lbs. on WR10 and 12 models).
6. Rotate hub 360
°
in both directions while
hitting hub or ring gear support with a soft
mallet.
7. Re-torque to 250 ft.-lbs. (350 ft.-lbs. on WR10
and 12 models) and repeat steps 5 and 6
until 250 ft.-lbs. (350 ft.-lbs. WR10/12) does
not advance the nut.
8. Install one (1) 126900 set screw (207357
on WR10 and 12 models) in nut, with dog
point engaging washer hole. If set screw is
being reused, coat with Loctite 277 or
equivalent. The set screw is advanced
completely when one intrnal nut thread is
showing.
• If set screw does not align with washer
hole, tighten sindle nut until next hole
aligns. Do not exceed 350 ft.-lbs.
(450 ft.-lbs. WR10/12).
9. Stake set screw in place with a center
punch at four (4) places around internal
nut thread.
10. Install sun gear and axle shaft assembly.
• A steel rod with a 1/2" thread can be
inserted into the end of the axle shaft
and used to aid shaft installation.
11. Install planetary carrier with RTV on
flange. Apply Loctite 277 to bolts. Torque
bolts to 80-95 ft.-lbs. (127-149 ft.-lbs/ pm
WR10 and12 molels.
12. Install abutment cap with RTV on flange.
Apply Loctite 277 to bolts. Torque bolts to
35-42 ft.-lbs. (45-54 on WR10/12).