TM 9-2330-235-14&P
4-23.
SERVICE BRAKE ADJUSTMENT (M514).
This Task Covers:
a. Minor Adjustment
b. Major Adjustment
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
Trailer leveled (para 2-10).
General mechanic's tool kit
Handbrakes released (para 2-2).
a.
MINOR ADJUSTMENT I
1. To adjust left brake assembly:
(a) Turn front brakeshoe adjusting cam (1)
clockwise until wheel locks. Turn adjusting cam
counterclockwise until a slight drag is felt when
turning wheel.
(b) Turn rear brakeshoe adjusting cam (4)
counterclockwise until wheel locks.
Turn
adjusting cam clockwise until a slight drag is felt
when turning wheel.
2. To adjust right brake assembly:
(a) Turn front brakeshoe adjusting cam (1)
counterclockwise until wheel locks.
Turn
adjusting cam clockwise until a slight drag is felt
when turning wheel.
(b) Turn rear brakeshoe adjusting cam (4) clockwise
until wheel locks.
Turn adjusting cam
counterclockwise until a slight drag is felt when
turning wheel.
b.
MAJOR ADJUSTMENT
1. To adjust left brake assembly:
(a) Loosen nuts on front and rear brakeshoe anchor pins (2 and 3).
(b) Install wrench in socket inside end of front brakeshoe anchor pin (2) and turn clockwise until wheel locks.
(c) Turn anchor pin (2) counterclockwise until only a slight drag is felt when rotating wheel. Tighten nut to secure
anchor pin.
TA505007
4-46
