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TM 9-2320-270-10
USING TRANSMISSION GEAR RANGES AND COMBINATIONS - CONTINUED
CAUTION
The M911 Truck Tractor must be completely stopped to shift the auxiliary
transmission.
PUTTING M911 TRUCK TRACTOR IN MOTION
WARNING
Do not move M911 Truck Tractor until low air pressure warning light and buzzer
go off. About 60 psi (414 kPa) is needed to release the brakes, and 90 to 120
psi is needed for normal driving. Damage to equipment and injury to personnel
could result from moving the truck with low air pressure.
Review Driving Guidelines
1. Avoid long engine idling. If long idle is necessary, keep engine speed up to at least
800 rpm.
2. Highway cruising range is 1650 to 1850 rpm.
3. City operating range is 1400 to 1600 rpm.
4. Wait for shift points when downshifting on a grade.
5. Avoid overspeeding the engine.
Control Selection
1.
2 .
3.
2-78
Adjust rear view mirrors (1). Have crew member help.
Turn on BEACON (warning) light (2) by pushing up switch (3), and other needed lights.
Engine speed - IDLE.
TA220851
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