Spicer TPCS (Tire Pressure Control System) Service Manual - Manual (Page 34)

34
Hub Service
The hub and wheel seal can now be serviced in the
same manner as standard non-Tire Pressure Control
System assemblies. Refer to steer axle service manual
for procedures.
Inlet Tube Removal (Steer Axles Only)
The steering knuckle must be removed to replace the
inlet tube.
1. Remove the steering knuckle in the same manner
as standard non-Tire Control Pressure System
knuckles. Refer to axle service manual for proce-
dures.
2. Mark location of inlet tube.
3. Remove inlet tube screw, retainer and bracket.
4. Remove inlet tube and discard O-ring seals.
Non-Drive Axle Wheel End
Service
Caution: Note the alignment of the hubcap to hub
and mark location if necessary.
Hubcap Removal
See Figure 20.
1. Drain oil from hubcap, remove fill plug and drain.
2. Remove wheel valve mounting bolt.
3. Remove wheel valve.
4. Remove 6 attaching bolts (hubcap to hub).
5. Disconnect hose assembly from spindle mounted
rotary seal by removing banjo fitting bolt and
washers.
6. Remove hubcap and discard hubcap gasket.
Rotary Joint Removal
Use 11 /
16
open end wrench no more than 3 /
16
thick.
Remove rotary joint and discard O-ring.
!
Figure 20 Non-Drive Hubcap Installation – Rotary Joint Configuration