TM 1-1500-204-23-9(b)Bolt down all machinery that can move orwalk due to vibration (drill press, bench grinder, etc.)(c)Substantial low resistance conductorsshall be used to ground all stationary and portablemachines, equipment, or other devices in which staticcharge may be generated, or which require electricalcircuits of a hazardous nature.(d)Shop machinery shall be operated onlyby qualified personnel observing safe practices.(e)Safety devices, such as guards,interlocks, automatic releases, and stops, shall always bekept in operating condition.(f)Ensure that all unauthorized personnelare clear of area before opening valves or energizingelectrical circuits for starting machinery.(g)Suitable mechanical guards, such asenclosures or barricades, shall be permanently installedon all machinery not already equipped with such toeliminate danger of injury from moving parts.(h)Machinery shall not be adjusted, repaired,oiled, or cleaned while machine is in operation or power ison.(i)Personnel operating machinery shall wearprotective clothing as prescribed. A protective face shieldor goggles shall be worn when operating a grinderregardless of whether grinder is equipped with attachedshields.(j)Jewelry shall not be worn whileperforming any maintenance.(2) Fire safety. A constant vigilance must bemaintained to seek out fire hazards. Fire hazards areconstantly present in the shop where sparks, friction, orcareless handling can cause an explosion that maydestroy equipment or buildings, and injure or killpersonnel. Refer to AR 385-10, The Army SafetyProgram and the Occupational Safety and Health Act of1971. The following fire safety practices shall beobserved:(a)NO SMOKING signs shall be placed inareas where smoking could create a fire hazard.(b)Personnel shall be trained in the use,knowledge, and location of shop fire fighting equipment.(c)Each shop shall be equipped with fireextinguishers suited for type of fire most likely to occur.(d)Use correct fire extinguisher for class offire as follows.*Class A fire (wood, paper, trash, etc). Usewater fire extinguisher.*Class B fire (oil, paint, fuel, grease, etc).Use bromotrifluromethane, carbon dioxide ordry chemical extinguisher with Class Brating.*Class C fire (electrical equipment). Usebromotrifuoromethane, carbon dioxide or drychemical extinguisher with Class C rating.*Class D fire (combustible metals-magnesium, titanium, zirconium, sodium,lithium, and potassium). Use dry powdertype fire extinguisher.(e)Oily waste, rags, and similar combustiblematerials shall be discarded in self-closing metalcontainers which shall be emptied daily.(f)Flammable materials shall not be storedin the shop.(g)Use only approved cleaning solvents.2-9. Tool Boxes.Tool boxes are used for storing tools.They are usually made of steel. Portable tool boxes areused for carrying and storing a variety of hand tools. Toolbags are usually made of canvas. Like the boxes, theyare available in a variety of sizes and serve similarfunctions. Typical tool boxes are shown in figure 2-1.2-3
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