Operation & Maintenance of Ordnance in Cold Weather FM 9 FM OPERATIONS AND MAINTENANCE OF ORDNANCE MATERIEL IN COLD WEATHER. CLICK HERE TO DOWNLOAD FROM USAPA. Recently. Technical Manual TM (FM ) Operations and Maintenance of Ordnance Materiel in Cold Weather July [United States Government US Army].
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It must be added to protect the driver and assistant driver where colder temperatures are expected.
Cold conditions tend to increase security problems because soldiers want to keep warm and sleep indoors. When employed in a cold region, a force actually faces two enemies–the tactical enemy and the environment that also aggressively attacks and can vm equipment and men.
Antifreeze materials specified for protection of liquid-cooling systems are listed in Appendix A. This provides direct boosting of the cold vehicle current when starting an engine in cold weather. The impact of cold weather on combat forces can readily be seen during decisive campaigns in history.
Operators must discharge NICAD batteries down to their lowest operating levels, then recharge them fully, then discharge them again to their lowest operating levels, then once again recharge them fully to destroy the “memory. Whenever possible, tarpaulins should be unfolded in heated enclosures or kept installed on equipment.
Vehicular canvas covers f plastic windows may break due to a combination of cold and vibration. Besides natural rubber, there are hundreds of rubber substitutes. Maintenance, supply, and engineer units may require augmentation.
Remember to use antifreeze in coolant systems. Illustrations of mf stress are at Figure Prolonged exposure to cold and extended hours of darkness will lead to increased psychological stress.
Special Considerations Before Operations Checks. Tires must be inflated to the appropriate pressure at cold temperatures. Flush and clean gear housing, and fill to level with recommended seasonal gear oil GO75W. US Army equipment is among the best in the world for use in cold climates.
Metals become brittle in severe cold temperatures; thus, parts cannot withstand the shock loads that they sustain at higher temperatures.
FM TABLE OF CONTENTS
Special equipment is provided for a vehicle when protection against cold weather is required. The storage battery’s available energy decreases sharply when temperatures fall. For a given change in temperature, various metals will -9207 or contract by different amounts. If possible, 9-2207 should have wood flooring and be heated by portable duct heaters or tent stoves. It is the responsibility of unit leaders to ensure that personnel and equipment can withstand the challenges of cold weather.
9-07, tarpaulins may shrink, and wrinkles are extremely difficult to smooth out at sub-zero temperatures. The cold has been identified as an enemy of military forces and equipment since the beginning of recorded history.
Operation & Maintenance of Ordnance in Cold Weather FM 9 207
Increased service scheduling from that specified on LOs is necessary to compensate 9-027 cold conditions that destroy the protective qualities of the lubricant. Fuel carbonizes if the combustion chambers do not get hot enough. Failure to properly inflate tires can result in tires slipping off rims. This lubricant is approved for use in engines, power steering systems, and both automatic and standard transmissions.
The proper antifreeze materials are critical for cold operations.
Economic order quantities EOQ and ammunition required supply rates RSR should be computed on a seasonal basis rather than on the standard day demand criterion. Refer to pertinent operator and unit maintenance 9-27 manuals TMs for operation, lubrication, preventive maintenance checks and services PMCSand maintenance under unusual conditions.
Use a snatch block whenever possible to reduce the load on the winch. See Figure for sample auxiliary power receptacles.
Special fuel and lubricants must also be used to prevent freezing and jelling.