TM-9-2320-279-34-3

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

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

TM-9-2320-279-34-3 - Page 259 of 717

TM 9-2320-279-34-3

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M977, M985, and M984E1 Crane

Maintenance Instructions (Cont)

NOTE

●

A standard 4-40 x 2 screw can be threaded into the end of the shuttle valves to

aid in disassembly.

●

All three valve body shuttle valves are disassembled the same way.

Remove plug (62), preformed packing (63), and shuttle valve (64).

NOTE

Preformed packings and backup ring may stay in valve body.

Remove two preformed packings (65) and backup ring (66).

NOTE

Both shuttle block valves are removed the same way.

Remove two screws (67), shuttle block (68), and three preformed packings (69) from valve

body (61).

Remove plug (70), preformed packing (71), shuttle valve (72), two preformed packings (73), and

backup ring (74).

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