TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-28.4. RIGHT HAND FRONT CONTROL VALVE BODY REMOVAL/REPAIR/INSTALLATION
(M984E1) (CONT).
NOTE
Both shuttle block valves are installed the same. Be sure shuttle valve is seated.
(5) Install two preformed packings (13), backup ring (14), shuttle valve (15), preformed packing (16),
and cap (17) in shuttle block (18).
(6) Install three preformed packings (19) and shuttle block (18) with two screws (20).
NOTE
Both valve body shuttle valves are installed the same.
(7) Install two preformed packings (21), backup ring (22), shuttle valve (23), preformed packing (24),
and plug (25) in valve body (4).
(8) Install three preformed
packings (26) and plugs (27).
(9) Install two preformed packings (28)
and fittings (29).
(10) Install six preformed packings (30)
and fittings (31).
(11) Install two preformed packings (32)
and fittings (33).
(12) Install six preformed packings (34)
and plugs (35) in valve body (4).
17-138.20
