Spicer Wheel Ends Service Manual, Steer & Drive Wheel Ends - Manual (Page 44)

42
Standard Drive Assembly
Pro-Torq Spindle Nut Service
Removing Pro-Torque Spindle Nut
Do not attach, loosen, or tighten the Pro-Torq spindle nut
with the keeper ring in place. The keeper ring is a locking
device and must be removed before any adjustment of the
nut.
Care must be taken when removing the keeper ring from the
spindle nut due to the spring like properties of the ring. Use
appropriate eye protection and shielding when servicing
this part.
To remove Pro-Torq spindle nut, first remove the keeper ring.
Use a screwdriver-like device to carefully pry the keeper ring
from the undercut groove on either side of the spindle nut
until the keeper ring is released.
Installing Pro-Torq Spindle Nut
Install spindle nut as follows:
1. Remove the keeper ring from the nut as described in
the Removing Pro-Torq Spindle Nut section.
Do not attach, loosen, or tighten the Pro-Torq spindle nut
with the keeper ring in place. The keeper ring is a locking
device and must be removed before any adjustment of the
nut.
Care must be taken when removing the keeper ring from the
spindle nut due to the spring like properties of the ring. Use
appropriate eye protection and shielding when servicing
this part.
2. To seat the trailer axle bearing, thread the Pro-Torq
nut onto the axle spindle. While rotating the wheel,
torque the nut to 200 lbs. ft. (271 N•m).
3. After seating the bearing, back the nut off one full
turn.
4. To achieve the proper endplay, re-thread the Pro-
Torq nut until hand tight. Torque to 100 lbs. ft.
(136 N•m).
5. Back off 1/4 turn, or one raised face mark on surface
of the Pro-Torq nut. Wheel should turn freely.
6. Check endplay using a dial indicator. Endplay should
be within 0.001"–0.003" (0.025–0.076 mm). See
Verify Wheel End-play on page 44.
CAUTION
WARNING
Bottom Legs Point
Away From Nut
Notches Allow Insertion
of Screwdriver for
Removal and Assembly
Use Raised Nubs
to Indicate Turn
Back Off
1 /
4
CAUTION
WARNING
Bottom Legs Point
Away From Nut