TM-9-2350-311-10

TM 9-2350-311-10

2–10 OPERATING PROCEDURES — CONTINUED

2–10.4 Driving — Continued

c. Crossing a Ditch, Shell Hole, or Trench

Press down on brake pedal (1) and shift transmission shift control lever (4) to 1 (1st gear).

2 As soon as the vehicle reaches the bottom and starts to climb, depress the accelerator pedal (5) for

power needed to climb out of the ditch.

d. Going Over an Obstacle

Approach an obstruction or obstacle head on when possible. Warn crew members to brace

themselves. Secure hatches and doors.

1 As you approach an obstacle (21 inches (53.34 cm) maximum vertical height), release the accelerator

pedal (5), press down on brake pedal (1), and shift transmission shift control lever (4) to 1 (1st gear).

2 Starting over the obstacle, apply full power. Release the accelerator pedal (5) on reaching the crest and

permit vehicle to settle over it. Balance vehicle forward of crest so it begins to move down.

3 When front of tracks touch ground, add power and move on.

e. Starting Vehicle on an Upgrade

When the vehicle is headed uphill, depress brake pedal (1), place transmission shift control lever (4) in 1 (1st gear),

increase engine speed, and release brake pedal.

f. Going Down Steep Grades

Do not use engine as a braking source for a long period of time. Transmission will overheat.

Using the service brakes too long will burn them out. Release and apply brakes occasionally to

cool them off.

When going down a steep hill, shift transmission shift control lever (4) to 1 (1st gear). Apply the brake pedal (1) now and

then to help slow down.

g. Turning in Sand

When turning in sand, shift transmission shift control lever (4) to 1 (1st gear) and make gradual turns. If sharp turns are

made, the track may be thrown.

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