TM 9-2330-211-14&P
Table 4-2. Unit Troubleshooting (Con't).
MALFUNCTlON
TEST OR INSPECTION
CORRECTIVE ACTION
Remove wheels (23), drum (21), and hub (22). Check for distorted or broken brakeshoe return
Step 7.
springs (12) (para 4-21).
If return springs (12) are distorted or broken, replace (para 4-21).
GRABBING BRAKES.
7.
Jack up axle so wheels (23) rotate freely and check brake adjustment.
Step 1.
If wheels (23) do not rotate freely, adjust hex head located on slack adjuster (20) (para 4-20).
Remove wheels (23), drum (21), and hub (22). Check for grease on brakeshoe linings (24).
Step 2.
If grease is present, replace brakeshoes (para 4-21). Replace oil seal (para 4-33).
Check for loose or worn brakeshoe linings (24).
Step 3.
If brakeshoe linings (24) are loose or worn close to head of screws, replace brakeshoes
Step 4.
Check for cracked, scored, or deformed drum (21).
If drum (21) is cracked, scored, or deformed, replace (para 4-33).
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