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 TM 9-2320-312-10
OPERATION UNDER USUAL CONDITIONS - CONTINUED
0005 00
DRIVING TIPS - CONTINUED
Avoid Hard Braking.
3.
a.
Become familiar with the braking characteristics of the tractor with and without a load.
b.
Stop vehicle by applying long even pressure to service brakes. Do not pump brakes.
4.
Drive Efficiently and Economically.
a.
Drive at safe speeds and avoid sudden stops.
b.
When driving with a load and/or up a ramp, select proper gear to minimize amount of shifting. When pulling out with
a load, press accelerator pedal as required to maintain speed.
Drive Safely.
5.
WARNING
NEVER operate fifth wheel lock control or allow anything to touch it while tractor is in motion. Failure to
follow this warning may result in injury or death to personnel.
a.
When moving around yard, turn on appropriate vehicle lights to indicate your presence to others in the area.
b.
Use a ground guide whenever possible, when backing up tractor and trailer combination.
c.
Be sure to keep windshields, side windows, and rear door windows clean. Ensure side and spotter mirrors are prop-
erly adjusted.
Parking Vehicle.
6.
a.
Come to a complete stop.
b.
Depress hold override button on side of transmission range selector lever and place transmission in N (Neutral).
c.
Pull out on tractor parking brake control (yellow diamond-shaped knob). Be sure that parking brake indicator light on
instrument panel comes on.
d.
If coupled, apply trailer brakes by pulling out on trailer air supply control (red octagonal-shaped knob).
WARNING
If vehicle is left with engine running, vehicle can move suddenly, resulting in serious injury or death to per-
sonnel or damage to equipment.
e.
If you must leave vehicle with engine running, block wheels.
7.
Trailer Towing.
WARNING
Never tow a trailer above the minimum height required for landing gear to clear the ground. Lifting fifth
wheel and trailer drastically increases the center of gravity of the trailer and increases the chance of a roll-
over. The higher the fifth wheel is raised, the slower the yard tractor should be driven.
a.
Adjust fifth wheel to proper travel height (Refer to Couple to Trailer).
b.
When turning or operating in areas of low clearance, always keep in mind the size and tracking characteristics of the
trailer being towed.
c.
Keep transmission in a gear range that will provide enough pull.
WARNING
DO NOT exceed 15 mph (24 kph) when towing a trailer. Operating at speeds in excess of 15 mph (24 kph)
may lead to loss of vehicle control, resulting in injury or death to personnel.
d.
Go slow enough to be able to stop safely.
0005 00-5
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