TRUCK SERVICE MANUAL
WHEELS, RIMS, TIRES
MT-17001
Fig. 8
4. Hold tool handle firmly and strike until sound of
impact changes when seal is seated (Fig. 10).
NOTE:
Fig. 7
Seal must be reseated any time wheel
is removed.
Unitized Seal Installation
A good check of proper seal installation is to
1. If wheel is being changed to a unitized seal from
move the synthetic sealing member with your
another type of seal, remove wear sleeve
fingers after installation in wheel hub. There
backing plates or axle rings as they are no longer
should be a slight in and out movement possible.
required. Note the order of parts at disassembly
to assure proper reassembly.
2. Thoroughly clean all parts and remove all burrs
from spindle and hub bore. Inspect and replace
all parts as warranted.
3. To install unitized seal in wheel, seat outer face
of seal in the recess of tool adapter SE-2524
(Fig. 8). Insert centering plug of tool in bore of
inner bearing cone (Fig. 9). Using the centering
plug prevents cocking of the seal in wheel bore.
MT-17002
Bore-tite coating on seal fills in minor
Fig. 10
imperfections in the wheel bore.
MOUNTING WHEEL ON SPINDLE INSTRUCTIONS
(With Oil Lubricated Bearings)
1. To insure good starting lubrication fill wheel
cavity between the bearings with lubricant.
Front Axle: Fill wheel cavity with engine oil
or rear axle lubricant (see LUBRICATION,
Section CTS-2412).
MT-17000
Rear Axle: Fill with same gear lubricant as
Fig. 8
used in the axle differential.
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