TM-9-2320-272-10

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004

CHANGE 2

TM-9-2320-272-10 - Page 406 of 481

TM 9-2320-272-10

3-57

3-13. SPRING BRAKE SERVICE (Contd)

(6)

Install nut (6) and washer (5) on end of release bolt (4). Tighten nut (6)

down until it is in contact with spring brake chamber (2).

NOTE

Measurement can be accomplished using the paper ruler in the

back of this manual.

CAUTION

Measurement of release bolt from nut must be at least 3 in. (7.6 cm). If

distance is not correct, damage to brakes will result.

(7)

Turn nut (6) clockwise until at least 3 in. (7.6 cm) of threads of release

bolt (4) extends out of nut (6).

(8)

Reverse steps 1 through 7 to remove manual release of spring brake.