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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FM TABLE OF CONTENTS
Even the most routine operations, such as handling latches or opening engine compartments, become frustrating and time-consuming when performed with protected hands. Rapid body cooling caused by heat transfer to the equipment or ground may result in cold injury.
Vehicle recovery in cold, snowy conditions can be extremely dangerous. For example, if lubricants congeal in various components, parts can fail.
When planning for battle, leaders must realistically evaluate the impact that physical factors have on operations.
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. A hardtop closure kit is provided for some vehicles. In constant cold weather, storage batteries should be tested for state of charge every three days.
This accelerates heater failure by carbonizing the wick, igniter, burner, related burner components, or heat exchanger.
Unit standard operating procedures SOPs and training plans should address 9–207 following:. When buildings 9-270 not available, maintenance tents are a temporary expedient. Also, this manual will assist unit commanders, supervisors motor sergeants, battalion motor officers [BMOs]and maintenance personnel in anticipating and planning for the onset of cold weather or an arctic deployment. Just prior to vehicle operation, heat is applied to the engine, batteries, and components, raising their temperatures enough to ensure starting.
Special Considerations Before Operations Checks. Enter Your Email Address.
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. Lights with ample cable extensions, attachment plugs, connectors, and spare bulbs are essential.
A large part of a soldier’s time and energy in cold weather is spent in self-preservation. Neoprene jackets on cables become brittle and break readily at low temperatures. Saturation reduces the insulating value of the handwear, causing cold injuries. Even shop maintenance cannot be completed at normal speed.
Quick heat is a technique that allows quick warmup and reliable starting when vehicle temperatures drop as low as the existing ambient temperature.
Parachutes can also make temporary shelters. HN personnel should identify specific environmental restrictions pertinent to cold weather operations i. With United States US reliance on global force projection, Army forces must prepare to operate in a variety of climates, including extreme fj. During prolonged periods of extreme cold weather, it may be necessary to take oil samples more frequently for equipment registered in the Army Oil Analysis Program AOAP.
See Figure for sample auxiliary power receptacles. This lubricant is approved for use in engines, power steering systems, and both automatic and standard transmissions.
The time from initiating quick heat to achieving reliable starting temperatures can vary from a few minutes to one hour. These manuals all include a section subtitled Operations Under Unusual Conditions. Complete winterization, diligent maintenance, and well-trained crews are the keys to reducing the adverse effects of cold weather. Battery efficiency at varying temperatures.
Maintenance of many components requires careful and precise servicing. If troops stationed in temperate climates are to be expected to move to cold climates and perform their missions, they must be prepared for it. Exercise care when towing cold-soaked vehicles. Recharge batteries if the specific gravity is less that 1.
Present personnel heaters have pot-type vaporizing burners. The preferred cold weather batteries are lithium-based, but precautions must be taken in their storage and disposal.
Operation & Maintenance of Ordnance in Cold Weather FM 9 207
Besides operating equipment, soldiers must learn to protect themselves against climatic factors by dressing properly and improvising protective measures and shelters.
Unless otherwise stated, whenever the masculine vm is used, both men and women are included. Special equipment is provided for a vehicle when protection against cold weather is required.
Synthetic rubbers look and usually react the same as natural rubber, although most do not attain a greater flexibility at high temperatures.
A fully charged battery does not freeze in extreme cold climates, but a battery with specific gravity 1. Commanders must place special emphasis on maintenance inspections. Turn-in instructions must be followed carefully IAW host nation, federal, state, and fmm environmental laws and regulations.
This is because cold temperatures adversely affect firing, responsiveness, effectiveness, and accuracy.