TO 35 C2-3-473-2
(4) Hubs. Inspect hubs for cracks
(3) Before installing new parts,
Cheek the inner bearing
mounting surfaces for damage or signs
as rust-preventive compound or protec-
Cheek lug bolts for
proper mounting and damaged threads.
d. Inspection and Repair.
Cheek dust cap mounting surface for
Cheek wheel bearings
for physical damage. Replace the hub if
Check axle beam
(1) Axle Beam.
Replace beam if twisted,
cracked or If bearing surfaces are dam-
distorted or cracked.
aged beyond repair. Minor damage may be
for worn or damaged king pin mounting
repaired by carefully cleaning and pol-
holes and tongue pivot mounting hole.
ishing the machined surface with fine
emery paper or a fine stone. The wheel
Excessive wear or damage to mounting
holes will require axle beam replace-
bearings must seat accurately in the hub
ment. Smooth machined surfaces that are
without binding or twisting. Any loose
nicked or burred with a fine file and
lug bolts must be pressed into the hub
until the bolt heads are flush with the
The dust cap recess must
Check for distor-
be clean and undamaged. Smooth the area
Inspect spindles for
with a fine file or stone to remove
tion or damage.
cracks around tie-rod mounting holes,
burrs and nicks.
king pin holes, grease fittings and hub
bearing races must show no signs of
mounting shaft. Cheek for damaged wheel
Replace faulty bearings.
bearing mounting surfaces. Cheek spin-
See the lubrication order for proper
dle for thread damage. Replace spindle
assembly if cracked or if bearing sur-
wheel bearing lubrication procedures.
faces are damaged. Repair thread damage
by running a thread cutting die down the
for bends or damage.
(1) Align holes in two bushings
threads and expansion slots for dam-
Slight bends may be straightened
(10 and 11), press into place.
with a hydraulic press. Severely bent
or kinked tie-rods must be replaced.
(2) Lubricate king pin (26) and
Damaged threads may be repaired by run-
spindle axle beam king pin mounting
ning a thread cutting tap down the old
(See table 3-1 of TM 55-1730-
The expansion slots must
229-12 for lubrication instructions.)
show uniform distance for their entire
Adjustments may be made by
(3) With grease slot toward bear-
closing the slot with a hydraulic press
ing, align the king pin (26) with the
spindle and axle beam king pin holes.
or soft-faced mallet or by opening with
a large screwdriver blade. Check tie-
rod ends for damaged seals, damaged zerk
(4) Press the king pin (26) half
fittings, and damaged stud threads. A
way through the spindle (10 and 11) axle
good tie-rod end will have no play in
the mounting stud.
If the stud can be
rooked back and forth easily with little
(5) Install two shims (28) and
bearing (29) between spindle and axle
beam king pin holes.