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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Special Considerations Before Operations Checks.

If parachute shelters are used, extreme care should be taken to avoid the danger of carbon monoxide poisoning by ensuring proper ventilation. The lithium battery has unique characteristics that provide improved operational capabilities and extended battery life. Its primary purpose is to familiarize operators and crews with the special procedures and techniques for working in sub-zero temperatures.

It uses no external power in the run cycle gm needs only 6 amperes at 24 volts for starting. This blockage also can lead to premature igniter failure due to excessive start attempts.

Auxiliary power slave receptacle and terminals.


Frozen batteries rupture and break internally and externally. Losing the sense of touch further reduces the soldier’s efficiency.

Unless otherwise stated, whenever the masculine gender is used, both men and women are included. Saturation reduces the insulating value of the handwear, causing cold injuries.

Arctic fuels for gasoline or diesel engines are selected to obtain the proper atomization necessary for a combustible fuel-air mixture. High engine speeds are likely to damage the winch mechanism. Proper and satisfactory servicing is difficult unless personnel are working in reasonably comfortable temperatures. Turn-in instructions must be followed carefully IAW host nation, federal, state, and local environmental laws and regulations.

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. With United States US reliance on global force projection, Army forces must prepare to operate in a variety of climates, including extreme cold.


There is an increased need for ammunition in cold 99-207. Vehicle recovery in cold, snowy conditions can be extremely dangerous. Impact on Military Forces Operational Effects. Tires must be inflated to the appropriate pressure at cold temperatures. LOs are based on three anticipated ranges: However, in an emergency, the standby system can assist in getting an engine start if adequate time and auxiliary power are available.

All-around vision is provided by a glass window on each side and to the rear. For example, if lubricants congeal in various components, parts can fail.

For a given change in temperature, various metals will expand or contract 9–207 different amounts. If capacity of the winch is specified as 5, pounds on “Winch Caution Plate,” lower the rated capacity for cold weather operations by 25 percent, making capacity 3, pounds. Maintenance, supply, and engineer units may require augmentation. For small equipment, alkaline batteries are far superior to carbon batteries.

This is because cold temperatures adversely affect firing, responsiveness, effectiveness, and accuracy. Emplacement of artillery pieces for fire missions is very difficult.

Operation & Maintenance of Ordnance in Cold Weather FM 9 207

For this to happen, the fuel-burning heater is continuously operated during the standby period. Hydraulic fluids specified for hydraulic systems, recoil mechanisms, and equilibrates are listed in Appendix A. Low temperatures must be anticipated far enough in advance to permit completion of winterization. When authorized, stationary engagement of hydromechanical transmissions can be used to facilitate engine warming.

Operators and maintenance personnel must be proficient in the use of all winterization and arctic kit items, which include heating devices, insulated grill covers, and sometimes engine exhaust restrictors. Below this temperature, fuel-burning heaters are normally used to provide more heat. Vast distances, major climatic or terrain obstacles to air or ground movement, or a combination of these factors often separate combat service support CSS elements from supported forces.


The swingfire heater Figure is a pulse jet engine that burns gasoline with less carbon buildup. It is intended to provide an overview of the special and unique difficulties encountered in cold weather operations.

Even shop maintenance cannot be completed at normal speed. Illustrations of such stress are at Figure Power requirements for starting an engine increase when the battery is least capable of delivering power. Trailers and towed artillery pieces further reduce mobility. It receives current from other tracked 9-07 wheeled vehicles. Unit standard operating procedures SOPs and training plans should address the following:. In some geographical locations, DA has approved the use of the NATO standard heater because of its improved arctic operating capability and lower maintenance requirements.

This equipment is issued in specific kits. In the absence of buildings or maintenance tents, tarpaulins may be used to create overhead shelter and windbreaks. Handwear may become saturated with fluids when soldiers perform maintenance on fuel and cooling systems. This prevents the 9-027 from becoming lost in the snow Figure The importance of maintenance, especially PMCS, must be impressed on all cold region soldiers.

Failure to follow this guidance can cause injury to personnel fk damage to equipment, besides limiting mission accomplishment. Operators must be very cautious when using equipment that has been inactive for a long time. Present personnel heaters have pot-type vaporizing burners.