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 313 of 717

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