Figure 11-9.Hand repacking of wheel bearings.
with NA 04-10-1. Replace worn brake keys and gears
or reattach loose brake keys and gears in accordance
with NA 04-10-1. Corrosion or rust on brake keys
and gears is common, and is not cause for rejection.
You should remove and inspect the bearing cone
and roller assemblies according to the applicable
MIM. Thoroughly clean the bearings, bearing cups,
wheel bores, and grease retainers with P-D-680, type
II, solvent to remove the grease, preservative
compounds, and contamination.
NOTE: The organizational-level and
intermediate-level procedures for cleaning
and inspecting wheeI bearings, retainers,
cups, and cone and roller assemblies are the
You should repack bearings with MIL-G-81322
Bearings may be repacked either with
pressure equipment or by hand. See figures 11-8 and
11-9. The pressure method is recommended because
it is easier, faster, and reduces the possibility of con-
tamination. The pressure method assures a more even
distribution of grease within the bearing.