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 standby system includes an engine coolant heater, hoses, control valves, fuel pump, battery heat exchanger commonly known as a battery padand miscellaneous hardware.

For example, if lubricants congeal in various components, parts can fail. Support units must be prepared to handle and transport the added volume of ammunition. Handwear may become saturated with fluids when soldiers perform maintenance on fuel and cooling systems. An added supply of battery chargers must be available to meet the heavy requirements for battery maintenance tm sub-zero temperatures. All-around vision is provided by a glass window on each side and to the rear.

Check for iced bleeder and selector f, controls and linkage, and winch cable sheaves. Lithium sulfur dioxide batteries require special handling.

However, tarpaulins may shrink, and wrinkles are extremely difficult to smooth out at sub-zero temperatures. If possible, tents should have wood flooring and be heated by portable duct heaters or tent stoves.

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

Sign In Sign Out. The time from initiating quick heat to achieving reliable starting temperatures can vary from a few minutes to one hour. Special equipment is provided for a vehicle when protection against cold weather is required.

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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. If parachute shelters are used, extreme care should be taken to avoid the danger of carbon monoxide poisoning by ensuring proper ventilation. Climatic Conditions Weapons Functioning. The use of OEA may void the warranty in some transmission applications.

Planning is critical to the success and survival of units operating in cold weather. Operational Considerations Power Takeoff Assemblies.

Mechanics must allow equipment to thaw out and warm up before making repairs. Proper and satisfactory servicing is difficult unless personnel are working in reasonably comfortable temperatures. Also, personnel have a tendency to operate close to vehicles, which is tactically unwise.

Power requirements for starting an engine increase when the battery is least capable of delivering power. For a given change in temperature, various metals will expand or contract by 9–207 amounts.

FM TABLE OF CONTENTS

For this to happen, the fuel-burning heater is continuously operated during the standby period. Impact on Military Forces Operational Effects. All units, especially mechanized and motorized, will require more time to accomplish tasks; cold will increase fuel consumption and the demand for lead acid and dry cell batteries.

The lithium battery has unique characteristics that provide improved operational capabilities and extended battery life. It must be added to protect the driver and assistant driver where colder temperatures are expected. However, in an emergency, the standby system can assist in getting an engine start if adequate time and auxiliary power are available.

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Vehicle recovery in cold, snowy conditions can be extremely dangerous. Vehicular canvas covers with plastic windows may break due to a combination of cold and vibration. 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. More mechanics are needed to maintain equipment in cold weather operations Figure Antifreeze materials specified for protection of liquid-cooling systems are listed in Appendix A.

These characteristics especially affect bearings in. Soldiers must maintain equipment in the best mechanical condition to withstand the added difficulties and prevent failures during sub-zero operations.

Refer to pertinent operator and unit maintenance technical manuals TMs for operation, lubrication, preventive maintenance checks and services PMCSand maintenance under unusual conditions. Mechanics should place insulating material–such as fiber packing material, corrugated cardboard, rags, or tarpaulins–between themselves ffm cold-soaked equipment.

Hydraulic fluids must be able to work in cold conditions. Complete winterization, diligent maintenance, and well-trained crews are the keys to reducing the adverse effects of cold weather.

Operation & Maintenance of Ordnance in Cold Weather FM 9 207

LOs are based on three anticipated ranges: Saturation reduces the insulating value of the handwear, causing cold injuries. Emplacement of artillery pieces for fire missions is very difficult. The importance of maintenance, especially PMCS, must be impressed on all cold region soldiers.