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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The importance of maintenance, especially PMCS, must be impressed on all cold region soldiers. Saturation reduces the insulating value of the handwear, causing cold injuries. Capability to store and issue antifreeze materials, fuels, hydraulic fluids, and lubricants.

It is essential to keep batteries fully charged. Also, operators must know other basic skills, such as working with tire chains and slave-starting. In constant cold weather, storage batteries should be tested for state of charge every three days.

Its primary purpose is to familiarize operators and crews with the special procedures and techniques for working in dm temperatures. Arctic fuels for gasoline or diesel engines are selected to obtain the proper atomization necessary for a combustible fuel-air mixture.

Operation & Maintenance of Ordnance in Cold Weather FM 9 207

The proper antifreeze materials are critical for cold operations. Vehicle recovery in cold, snowy conditions can be extremely dangerous. All units, especially mechanized and motorized, will require more time to accomplish tasks; cold will increase fuel fj and the demand for lead acid and dry cell batteries.

Normal vs cold f, maintenance. Maintenance, supply, and engineer units may require augmentation. This time lag cannot be overemphasized and must be included in all planning. An added supply of battery chargers must be available to meet the heavy requirements for battery maintenance in sub-zero temperatures. Understanding the specific impacts can assist a unit in planning measures to counter these effects. Host nation HN personnel are critical to identifying sources of food, shelter, warmth, supplies, and services.

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For more information on operations and maintenance of lead-acid storage batteries, refer to TM Climatic Conditions Weapons Functioning. Frozen batteries rupture and break internally and externally.

At a minimum, a highly organized, more intensive effort is required of mechanics. Table shows freezing points of batteries at various specific gravities. HN personnel should identify specific environmental restrictions pertinent to cold weather operations i.

Hydraulic fluids specified for hydraulic systems, recoil mechanisms, and equilibrates are listed in Appendix A. Multioption fuzes should be selected whenever available to provide for seasonal changes. The standby heat concept does not allow vehicle components to fall below a certain minimum temperature.

High engine speeds are likely to damage the winch mechanism. Vehicular canvas covers with plastic cm may break due to a combination fk cold and vibration. Special Considerations Before Operations Checks. Special Considerations Procedures for Lubricating Weapons. Where the temperature falls only a few degrees below freezing for a short period, only ordinary preparations are needed; for example, changing engine oil to a lighter grade and adding antifreeze to the cooling system.

The parachute should be deployed over the vehicle, securely staked down at the bottom, and then inflated by the air from a portable duct heater.

The storage battery’s available energy decreases sharply when temperatures fall. Use a snatch block whenever possible to reduce the load on the winch. Planners should consider the following:. Although OEA can ffm used in most automatic transmissions, it is rm to consult the LO prior to use. Soldiers must maintain equipment in the best mechanical condition to withstand the added difficulties and prevent failures during sub-zero operations.

In cold weather, special care rm be taken in adjusting parts of this type, especially when adjusting bearing clearances. Different grades of hydraulic fluids are also necessary.

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Tires must be inflated to the appropriate pressure at cold temperatures. This safety factor is essential to prevent damage to the winch. 9-07 care must be taken in handling cables at low temperatures.

Units operating in a cold environment can expect a dramatic increase in petroleum, oils, and lubricants POL and fuel requirements due to movement difficulty, extended idling, and heating requirements. 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.

Before operating vehicles, crews should review appropriate operator manuals for cold weather operations. Recharge batteries if the specific gravity is less that 1. Handwear may become saturated with fluids when soldiers perform maintenance on fuel and cooling systems. Soldiers should carry extra handwear when performing maintenance under arctic winter conditions. This accelerates heater failure by carbonizing the wick, igniter, burner, related burner components, or heat exchanger.

FM TABLE OF CONTENTS

Even mf maintenance cannot be completed at normal speed. Turn-in instructions must be followed carefully IAW host nation, federal, state, and local environmental laws and regulations. Impact on Military Forces Operational Effects. The use of OEA may void the warranty in some transmission applications. Tires become rigid in cold, causing flat spots on parts that come in contact with the ground during shutdown. Hydraulic fluids must be able to work in cold conditions.

Proper training prevents many failures of materiel and injuries to operators.