Spicer Dana Spicer Steer Axles - Service Manaul - Manual (Page 38)

34
Wheel Bearing Adjustment
Wheel Bearing Adjustment
Proper wheel bearing adjustment maximizes wheel bearing
and seal life. Proper adjustment can also extend brake lining
life by preventing lining contamination caused by seal leaks.
1. Inspect the spindle threads and spindle nuts for corrosion
and clean thoroughly or replace as required.
Note: Proper assembly and adjustment is not possible if the
spindle threads or adjusting nuts are corroded.
2. Pre-lubricate all bearings.
3. Install the inner bearing into the hub and install the
wheel seal.
4. If grease lubricant is used, fill the hub cavity with the
appropriate lubricant.
5. Install the hub on the spindle with care, to prevent
damage or distortion to the wheel seal.
Never mix grease and oil lubricants.
6. Install:
• The outer bearing on the spindle.
• The inner spindle nut onto the spindle.
7. Seat the bearings by tightening the inner nut to
200 lbs. ft. (135 N•m) while rotating the hub.
1 - Retainer washer
2 - Locking spindle washer
3 - Inner spindle nut
4 - Steering knuckle spindle
5 - Dowel pin
6 - Outer spindle nut
CAUTION
3
6
2
4
5
1
CAUTION
CAUTION
8. Loosen the inner nut one full turn.
9. Re-tighten the inner nut to 50 lbs. ft. (68 N•m) while
rotating the hub.
10. Again loosen the inner nut one-third turn (to one-half
turn maximum – three to five hub studs for a ten stud
pattern).
11. Install the locking spindle washer.
Note: If the dowel pin and washer are not aligned, remove
washer, turn it over and re-install. If required, loosen
the inner nut just enough for alignment.
Never tighten inner nut to align dowel pin hole. This can
pre-load the bearing and cause premature bearing failure.
12. Install:
• The retainer washer.
• The outer spindle nut.
13. Tighten the outer nut to 200±50 lbs. ft. (271-407
N•m).
14. Secure outer nut by bending the retainer washer
over one flat hex on the outer spindle nut.
15. Verify that the wheel end-play is between .001" and
.005" (.025 and .125 mm) using a dial indicator. If
reading does not fall within this range, repeat this
procedure.
16. Attach hub cap.
17. If oil lubricant is used, fill the hub cavity with the
appropriate lubricant. Install oil fill plug and tighten
to specified torque.
Never mix grease and oil lubricants.
Note: For steer axles with Spicer in axle speed sensors,
see AXSM-0034 for service and adjustment.