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 150 of 632

TM 9-2320-279-34-2

Brake System Maintenance Instructions (Cont)

11-14. BRAKE TREADLE VALVE REPAIR (CONT).

NOTE

Thin gage spring is located on relay piston side

of lower static piston housing.

(11)

Remove lower piston (15), spring (21),

spring (22), and relay piston (16) from

lower static piston body (23).

(12)

(13)

Remove stem bolt (20) from relay piston (16).

Remove preformed packing (24) and

preformed packing (25) from relay

piston (16).

11-48

Change 2