4-55. SERVICE BRAKE ADJUSTMENT (SINGLE WHEEL CYLINDER).
This Task Covers:
Two Iockwashers (major adjustment)
General mechanic's tool kit
Always check wheel bearing adjustment (para 4-69) before adjusting service
brakes. Brakes cannot be properly adjusted unless wheel bearings are properly
Do not adjust brakes when brakedrums are hot.
Turn rear brakeshoe adjusting cam (1) on backside of backing plate (7) counterclockwise until brakedrum(11)
drags slightly when hub and brakedrum are turned by hand. Turn adjusting cam clockwise just enough to allow
hub and brakedrum to rotate freely.