TM-9-2320-260-10

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 1985

TM-9-2320-260-10 - Page 154 of 411

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2-79

TM 9-2320-260-10

j.

Driving vehicle down steep grades.

.

WARNING

.

Do not let vehicle coast downhill with clutch pedal (9) depressed. Vehicle will

increase speed and may go out of control, resulting in injury to personnel.

(1)

Depress brake pedal (8) to slow down vehicle.

(2)

Do not exceed vehicle road speed shown on caution plate (10).

(3)

Check warning plate (11) before shifting transfer selector lever (5).

k.

Driving vehicle up steep grades:

(1)

If vehicle slows down, downshift gearshift lever (2) before engine starts to strain or vibrate.

(2)

When vehicle is heavily loaded or when road conditions are bad, additional traction can be

obtained as follows:

(a)

Slow down vehicle.

(b)

Depress clutch pedal (9) all the way.

(c)

Move transfer selector lever (5) down to LOW position.

(d)

Release clutch pedal (9) slowly.

(e)

Depress accelerator pedal (7) to bring vehicle to desired speed.

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