TM 9-2330-335-14&P
0101-4
0101
Grease-stained
drums
Leaking oil seal
or improper
lubrication of
brake
components
Repair source of oil or grease leak. Clean the brake drums
and replace the linings.
Polished brake
surface
1.
Norm
al
con
diti
on
for
non
-
asb
esto
s
lini
ng
2.
Improperly
cured brake
linings
Remove glaze with emery cloth or re-bore drum within
normal limits. See maintenance instructions regarding turning
of brake surface.
Faded or
diminished brake
powder
High temperature
in brake system,
improperly
adjusted brakes
or inferior brake
lining
Check brake drum, brake lining condition, brake adjustment,
and brake balance. Avoid operating conditions or loads that
create excessive brake temperature.
Noise, chatter, or
pulsating during
brake application
Heat spotted
drums, grease-
stained drums,
loose brake drum
or brake
components
Brake drum should be removed and checked for one or more
of these conditions and the appropriate action (as described in
this section) should be taken to resolve the condition.
Crack between
the pilot and a
bolt hole
1.
Impro
per
han
dlin
g
2.
Installation
on
dirty hub
Replace brake drum.
Replace brake drum. Clean the hub prior to installing
replacement brake drum.
Table 1. Troubleshooting Brake Drums - Continued.
EXAMPLE
PROBLEM
CAUSE
SOLUTION