TM 9-2330-246-14
4-55. SERVICE BRAKE ADJUSTMENT (SINGLE WHEEL CYLINDER).
This Task Covers:
a.
b.
Major Adjustment
Minor Adjustment
Initial Setup:
Materials/Parts:
Equipment Conditions:
Wheels removed (para 4-70).
q
Two Iockwashers (major adjustment)
q
Pressure tank drained (Table 2-l ).
q
Tools/Test Equipment:
General mechanic's tool kit
a.
MINOR ADJUSTMENT
NOTE
Always check wheel bearing adjustment (para 4-69) before adjusting service
q
brakes. Brakes cannot be properly adjusted unless wheel bearings are properly
adjusted.
Do not adjust brakes when brakedrums are hot.
q
Adjust wheel bearings at both wheels (para 4-69).
1.
Turn rear brakeshoe adjusting cam (1) on backside of backing plate (7) counterclockwise until brakedrum(11)
2.
drags slightly when hub and brakedrum are turned by hand. Turn adjusting cam clockwise just enough to allow
hub and brakedrum to rotate freely.
TA700241
4-131
