Section IV. OPERATION UNDER UNUSUAL CONDITIONS
This vehicle has been designed to operate safely
and efficiently within the limits specified in this
TM. Operation beyond these limits is prohibited
IAW AR 70-1 without written approval from the
Commander, U.S. Army Tank-Automotive Com-
mand, ATTN: AMSTA-CM-S, Warren, MI 48397-
This section covers many of the unusual conditions you may have to deal with while operating the
M915A1 truck tractor. YOU SHOULD BECOME FAMILIAR WITH THIS SECTION AND WITH THE
REFERENCED PUBLICATIONS. FM 55-30 CONTAINS IMPORTANT INFORMATION ON DRIVER
SELECTION AND TRAINING. FM 21-305 PROVIDES BASIC INSTRUCTION FOR OPERATORS OF
WHEELED VEHICLES. You should use the material in these manuals along with the guidelines in this
section to help you operate the M915A1 property under unusual conditions.
2-19. Extreme Cold Weather.
The M915A1 truck tractor, like other vehicles, needs special attention and care during
periods of extreme cold weather. Remember that in extreme cold:
Batteries may lose power or freeze.
Electrical insulation can crack causing short circuits.
Fuel may not combine properly with air to form the necessary mixture for starting
Metals and other materials may become hard or brittle.
The cooling system requires adequate protection from extreme cold.
Fuels, lubricants, and antifreeze compounds require special storage, handling, and
You should READ AND BECOME FAMILIAR WITH THE MATERIAL IN THE FOLLOW-
ING PUBLICATIONS. They cover information you will need to know for operating a
vehicle in extreme cold.
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