TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-32.1. LIFT DOWN AND SHUT DOWN SOLENOIDS AND VALVE
REMOVAL/REPAIR/INSTALLATION (M984E1) (CONT).
g. Removal Boom Valve.
(1) Disconnect two hydraulic
lines (1).
(2) Remove screw (2),
lockwasher (3), and
valve (4).
h. Installation Boom Valve.
(1) Install valve (4) with
lockwasher (3) and
screw (2).
(2) Connect two hydraulic
lines (1).
NOTE
All five solenoids are repaired the same.
i. Disassembly.
(1) Remove elbow (1), preformed packing (2),
fitting (3), and preformed packing (4) from
solenoid (5).
NOTE
Front center solenoid has end cap. Other four
solenoids do not.
(2) Remove nut (6), end cap (7), and coil (8) from
solenoid (5).
17-150.2
