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TM 9-2330-272-14
4-31. SERVICE BRAKE ADJUSTMENT .
This Task Covers:
a.
Major Adjustment
b.
Minor Adjustment
Initial Setup:
Equipment Conditions:
Materials/Parts:
l Wheels removed (para 4-43).
l One Iockwasher (major adjustment)
l Air reservoir drained.
Tools/Test Equipment:
l General mechanic’s tool kit
l Common no. 1 shop set
a .
MAJOR ADJUSTMENT
NOTE
Perform this adjustment at each wheel when new brakeshoes are installed.
1.
Raise axle (1) enough to allow wheel to turn freely, Support axle with jackstand.
2.
Remove nut (8), Iockwasher (7), and cover (6) from brakedrum (4). Discard Iockwasher.
3.
Rotate brakedrum (4) until inspection hole (5) is 1 ~ in. (3.8 cm) from anchor pin (10) and adjacent to rear
brakeshoe.
4-52
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