TM-9-2320-279-20-2

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

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 2 OF 3

TM-9-2320-279-20-2 - Page 116 of 938

TM 9-2320-279-20-2

Brake and Air System Maintenance Instructions (Cont)

(5)

Remove six air lines (11) from

brake treadle valve (5).

(6) Remove brake treadle valve (5) and

mounting plate (10).

NOTE

Record location and position of

switches, fittings, and plugs.

(7)

Remove two switches (12) six

fittings (13), and three plugs (14).

(8)

Remove four screws (15),

lockwashers (16), and mounting

plate (10).

b. Disassembly.

(1)

Mount brake treadle valve (1) in vise with soft jaws, pedal (2)

(2)

Remove cotter pin (3) pivot pin (4) and pedal (2).

(3)

Remove screw (5) cup washers (6) and diaphragm (7).

(4)

Remove cotter pin (8), pin (9), and two rollers (10).

(5)

Remove pedal cover (11).

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