TM 5-3810-300-24 & P2
M. Lift knuckle assembly, thrust bearing and seal
assembly, and spacing shims off of axle center.
Retain shims, thrust bearing, and seal for
reassembly.
2. Remove Upper Seal from Steering Knuckle.
With the steering knuckle assembly removed from the axle center, inspect the upper grease seal for tears, rips and
deterioration. Do not attempt to remove the seal from the steering knuckle unless replacement is necessary. If seal
must be removed, follow these procedures:
A. Place steering knuckle bottom side up in a vise equipped with soft metal jaws. Position upper knuckle boss (top
end down) between Jaws of vise and lock securely.
NOTE
TO FACILITATE POSITIONING KNUCKLE IN VISE BRAKE ASSEMBLY AND
STEERING ARM MUST BE REMOVED.
B. With the top end of the knuckle held firmly in this position, insert a screwdriver or other suitable tool between the
knuckle counterbore and the seal case and pry the seal out of knuckle.
C. Remove knuckle from vise for inspection.
CLEANING.
Parts having ground and polished surfaces such as knuckle pins, knuckle pin sleeves, bearings and spindles, should be
cleaned in a suitable solvent such as
4-294
