TM 9-2330-247-14&P
SERVICE BRAKE
This Task Covers:
Adjustment
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
Jack, hydraulic, hand, 10 ton
Trestle, motor vehicle, 10 ton
Handbrake lever released on wheel to be adjusted
Wrench, open-end, in.
ACTION
ITEM
REMARKS
LOCATION
ADJUSTMENT
NOTE
To ensure that adjustment is correct, do not adjust
brakeshoes when brakedrums are hot.
1.
Frame (2)
Axle (5)
a. Using jack placed under axle (5), raise trailer so
wheel (4) turns freely.
b. Place trestle under rear corner of frame (2).
2.
Backing plate
Upper adjusting
a.
in. open-end wrench, turn upper adjust-
(1)
stud (6) and
ing stud (6) clockwise turn.
wheel (4)
b. Spin the wheel (4).
c. Repeat steps 2a and 2b until brakes drag
slightly.
d.
in. open-end wrench, turn upper adjust-
ing stud (6) just enough so wheel (4) turns freely.
e. Repeat steps 2a through 2d for lower adjusting
stud (3).
f. Repeat steps 1 through 2e for other wheel (4).