TM-9-2320-279-34-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 2 OF 3

TM-9-2320-279-34-2 - Page 112 of 632

TM 9-2320-279-34-2

Brake System Maintenance Instructions (Cont)

11-4. REAR BRAKE CHAMBER AND ARCTIC BRAKE CHAMBER REPAIR (CONT.)

c. Assembly.

WARNING

Caged spring in rear chamber is under 2500 lb (1 135 kg) tension. Use extreme

care when handling or storing caged spring. If caged spring is released it can cause

injury or death.

CAUTION

Use care when closing holding device, so device does not press directly on caged

spring retainer or damage edges of center brake chamber.

NOTE

There are two types of rear brake chambers: Model A and Model B. Refer to

TM 9-2320-279-24P for proper identification of parts if chambers must be repaired or

replaced.

Rear brake chamber and arctic brake chamber are assembled the same way. Rear

brake chamber is shown.

Steps

(1)

through

(7)

were deleted.

(8)

Install diaphragm (1), plunger (2), and spring (3) in center brake chamber (4).

11-8

Change 2