TM-9-2320-279-10-1

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

OPERATOR’S MANUAL VOLUME 1 OF 2

DECEMBER 1998

CHANGE 5

TM-9-2320-279-10-1 - Page 311 of 773

TM 9-2320-279-10-1

M977 and M985 Tanker Operating Procedures (Cont)

CAUTION

(4)

(5)

To avoid damage to outrigger leg or load hook, do not

hit outrigger leg with load hook.

Operate MAST control lever (7) in UP position until the mast (8) is

fully erect and the cylinders are fully extended. Use BOOM control

lever (5) simultaneously as required to maintain the boom (6) at

approximately 45° above horizontal until the mast is fully erect. Hold

the mast control lever (7) to UP position for 2-3 seconds after mast is

fully erect to ensure cylinders are fully filled with oil.

Operate crane with manual controls (para 2-18d and 2-18e) or

REMOTE CONTROL UNIT (para 2-19).

Change 5

2-220.1/(2-220.2 blank)