TM-9-2320-279-10-1

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

OPERATOR’S MANUAL VOLUME 1 OF 2

DECEMBER 1998

CHANGE 5

TM-9-2320-279-10-1 - Page 556 of 773

TM 9-2320-279-10-1

Operation Under Unusual Conditions (Cont)

b. Release Brakes.

Failure to ensure brake chamber is caged while

releasing brakes can result in serious injury or death.

Spring is under 2500 lb tension.

NOTE

There are two types of brake chambers: Model A and

Model B.

Left brake chamber on fourth axle is shown. Steps

are same for right side and third axle.

(1)

Remove dust cap (1) from brake chamber (2).

NOTE

Model B brake chamber has only one nut.

(2)

Remove two nuts (3), washer (4), and release bolt (5) from bracket (6).

Change 5

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