TM 9-2330-294-14
c. Inspection and Service.
(7) Check threads of studs, screws and nuts for
damage. Notify direct support maintenance per-
CAUTION
sonnel for replacement of studs.
Do not clean parts with gasoline, in a hot
solution tank or with water and alkaline
(8) Inspect brake drum and hub for pitting,
solutions.
scoring or deep cracks. Inspect hub bearing surface
for critical damage. If the brake drum and hub
(1) Thoroughly clean all parts with dry cleaning
solvent type II (SD-2) and a stiff fiber brush. Ensure
unit is darnaged, notify direct support maintenance
parts are completely dry. Use low pressure com-
personnel for repair anti/or a replacement unit.
d. Assembly.
pressed air to dry parts, if available.
(1) Install inner bearing cup, using replacer
CAUTION
Do not spin bearings with compressed air.
Tap replacer so that even pressure is applied to inner
(2) Inspect wheel bearings for cracks or breaks
bearing cup until it bottoms.
in bearing cage, etching or pitting on roller surfaces
(2) Install outer bearing cup, using replacer
and any evidence of wear, and replace if worn or
damaged. Refer to TM 9-214 for inspection, care and
on small O. D. end of replacer. Tap wood or brass so
maintenance of bearings.
that even pressure is applied on cup surface until cup
(3) Pack bearings from large end of cone with
bottoms.
grease (GA A), ensuring all cavities between rollers
NOTE
and cage are filled.
Take care not to damage end faces of
(4) Inspect bearing cups in hub for pits, grooves
replacer (CPR 102290) since this tool is also
or flaking and replace if necessary.
used to replace wiper on spindle.
(5) Inspect hub cap for damage to flange which
(3) With hub in upright position, install inner
would allow water leakage into wheel bearings and
replace if damaged.
(6) Replace oil seal and hub cap gasket.
Change 2