TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
(14)
(15)
(16)
NOTE
Both shuttle block valves are assembled the same way.
Install two preformed packings (40), backup ring (41), shuttle valve (42), preformed packing (43),
and plug (44) in shuttle block (45).
Install three preformed packings (46) and shuttle block (45) with two screws (47).
NOTE
All three valve body shuttle valves are assembled the same way.
Install two preformed packings (48), backup ring (49), shuttle valve (50), preformed packing (51),
and plug (52) in valve body (5).
17-133