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 308 of 773

TM 9-2320-279-10-1

M977 and M985 Tanker Operating Procedures

12-18. M977, M985 CRANE OPERATION (MANUAL CONTROLS) (CONT).

WARNING

Do not raise vehicle tires off ground with outrigger

jack cylinders. Vehicle could roll causing serious

injury or death. Always chock front wheels when

using outriggers.

Crane must be level from side to side. use of crane in

unlevel position can cause vehicle to tip over causing

possible serious injury or death.

NOTE

Operate left and right outrigger jack (LH O/R JACK

and RH O/R JACK) control levers at same time.

Crane movement from one lever may be slower than

the other when operating two levers together.

Vehicle weight should be off rear axle just enough so

tires still have firm contact with ground but do not

bulge from weight.

(11)

Move left outrigger jack (LH O/R JACK) and right outrigger jack (RH

O/R JACK) control levers (9 and 10) to DOWN position. Lower left

and right outrigger jack cylinders (8) until vehicle weight is off rear

tires.

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