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 493 of 773

TM 9-2320-279-10-1

Operation Under Unusual Conditions (Cont)

j.

Turn vehicle slowly when on loose sand or mud.

k.

Steer vehicle straight up and down hills if possible.

l.

To move vehicle forward and turn after vehicle is stopped in loose sand or

mud, do the following:

(1)

(2)

(3)

(4)

(5)

(6)

(7)

Set transmission range selector (4) to R.

Press throttle treadle (5) and move vehicle straight back about 20 ft

(6.1 m).

Release throttle treadle (5) and press brake treadle (6).

Set transmission range selector (4) to position 1.

Release brake treadle (6) and press throttle treadle (5) to move

vehicle forward.

‘Turn vehicle gradually.

Move transmission range selector (4) to position D when vehicle picks

up speed and is moving forward smoothly.

m.

If vehicle starts to skid, do the following:

(1)

Release throttle treadle (5).

(2)

Steer in direction of skid until vehicle stops skidding.

(3)

Press throttle treadle (5) slowly and steer vehicle on straight course.

Change 5

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