FM 9-207 PDF

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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Daylight can be scarce in cold climates. Logistics support can be decisive to mission accomplishment during cold weather operations. Arctic fuels for gasoline or diesel engines are selected to obtain the proper atomization necessary for a combustible fuel-air mixture.

Units can also consult DLA’s publication see Fmm publication in references for environmentally preferred antifreeze substitutes. For a given change in temperature, various metals will expand or contract by different amounts.

Mechanics must allow equipment to thaw out and warm up before making repairs. Failure to properly inflate tires can result in tires slipping off rims.

Unless otherwise stated, whenever the masculine gender is used, both men and women are included. Different grades of hydraulic fluids are also necessary. For example, if a NICAD battery is continually called upon to deliver an average of only 25 percent of its capacity before it is recharged, it will eventually “memorize” this fact and become incapable of supplying the remaining 70 percent capacity.

LOs are based on three anticipated ranges: For small equipment, alkaline batteries are far superior to carbon batteries. Always consult the appropriate TM or lubrication order LO. The storage battery’s available energy decreases sharply when temperatures fall. Proper and satisfactory servicing is difficult unless personnel are working in reasonably comfortable temperatures.

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Quick heat is a technique that allows quick warmup and reliable starting when vehicle temperatures drop as low as the existing ambient temperature. Even shop maintenance cannot be completed at normal speed. Without the use of heaters, the increase in maintenance man-hours is from 25 percent to percent above normal.

For example, hoses for fueling may crack, increasing the potential for spills. Deployment of tactical vehicles from a hot to a cold region requires a change in electrolyte for maximum battery effectiveness.

FM TABLE OF CONTENTS

Soldiers must check battery charges using hydrometers and testers. Neoprene jackets on cables become brittle and break readily at low temperatures. Tires become rigid in cold, causing flat spots on parts that come in contact with the ground during shutdown.

If possible, tents should have wood flooring and be heated by portable duct dm or tent stoves. A potential 99-207 in medical problems i. Severe cold adversely affects the capability of a unit to accomplish its mission. An operator can externally heat gear boxes, drive trains, transmissions, and oil pans on vehicles prior to operations.

If parachute shelters are used, extreme care should be taken to avoid the danger of carbon monoxide poisoning by ensuring proper ventilation. The incomplete combustion of fuels in a cold engine, and the piston rings not sealing tightly until the engine reaches operating temperatures, causes rapid fuel dilution of the oil.

Operation & Maintenance of Ordnance in Cold Weather FM 9 207

The lithium battery has unique characteristics that provide improved operational capabilities and extended battery life. This provides direct boosting of the cold vehicle current when starting an 9-27 in cold weather.

As a result, logistical planning must be continuous and aggressive, making use of all modes of transportation. The heater can be used in 12 various exchangers, making it a versatile and useful tool. Understanding the specific impacts can assist a unit in planning measures to counter these effects. Auxiliary power slave receptacle and terminals. US Army equipment is among the best in the world for use in cold climates. Geographic location and ambient temperatures dictate the use of winterization equipment as per Supply Bulletin SB The materials normally required to prepare equipment for operation in cold weather are listed in Appendix B.

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Units operating in a cold environment can expect a dramatic increase in petroleum, oils, and lubricants POL and fuel requirements due to movement difficulty, 9-2207 idling, and heating requirements. Besides natural rubber, there are hundreds of rubber substitutes.

Failure to follow this guidance can cause injury to personnel and damage to equipment, besides limiting mission accomplishment. Climatic Conditions Functioning Difficulties.

Parachutes can also make temporary shelters. 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. The preferred cold weather batteries are lithium-based, but precautions must be taken in their storage and disposal.

It receives current from other tracked or wheeled vehicles. Units must identify US and HN requirements in advance. Since most US units are stationed in temperate or tropical climates, soldiers generally lack adequate training or experience in cold weather operations and maintenance.