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 125 of 632

TM 9-2320-279-34-2

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Brake System Maintenance Instructions (Cont)

Matchmark cylinder block (5) and crankcase (34).

Remove six screws (35), lockwashers (36), and cylinder block (5).

Remove gasket (37) from cylinder block (5).

Remove unloader spring (38), spring saddle (39), and unloader spring seat (40).

Remove two guides (41), plungers (42), and pistons (43).

Remove backup ring (44) and preformed packing (45) from pistons (43).

Remove four plugs (46) from cylinder

block (5).

Remove plug (47).

NOTE

Bushings are removed only if damaged.

(28) Remove two unloader bore bushings (48)

and valve seats (49).

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