Spicer TPCS (Tire Pressure Control System) Service Manual - Manual (Page 45)

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Caution: Use care when applying thin coat of
Aeroshell. Make sure not to plug air passages
with lubricant.
2. While insuring that the spindle end will pass
through the air seal protective guard, slide hub into
position on the spindle and sleeve with one push.
• As the hub is installed, the air seal protective
guard will be pushed out. Remove the air seal
protective guard.
Caution: Do not pull the hub in and out or rock to
install. This will cause damage to the air seal.
3. If the hub does not install with the initial push,
remove hub from spindle and reposition the air
seal protective guard from the inner bearing side
only. Repeat step 2 for installation.
Note: During installation it may be necessary to use a
screwdriver to align inner bearing with the drive
sleeve bearing journal. Be careful not to damage
oil seal.
Oil Seal Installation
Using the following tools, install the oil seal in the
wheel hub. (See Figure 32.)
• Seal Plate
• Bearing Centering Tool
• Handle Assembly
Caution: Do not hammer directly on the seal!
Wheel Hub Installation
See Figure 33
Caution: Make sure protective guard is installed
in air seal before hub is installed on drive axle
sleeve.
1. Apply thin coat of Shell ® Aeroshell GR22 or
equivalent to the portion of the sleeve where the air
seal runs.
Drive Axle Wheel End
Service
Air Seal, Wheel Hub and
Oil Seal Installation
!
!
!
!
Figure 34 Wheel Hub Installation
Drive Axle
Sleeve
Spindle
Outer
Bearing
Inner
Jam Nut
Spindle
Washer
Outer
Jam Nut
Wheel Hub
with Air Seal
and Protective
Guard Installed
OIL
AIR
Air Seal
Protective Guard
(Remove After
Hub is in Place
on Sleeve)
Apply thin coat of
Shell Aerolube GR22
to this area