Substantial low resistance conductors shall be used to ground all stationary and portable machines,
equipment, or other devices in which static charges may be generated or which require electrical circuits of a hazardous
Shop machinery shall be operated only by qualified personnel observing safe practices
Safety devices, such as guards, interlocks, automatic releases, and stops, shall always be kept in
Ensure that all unauthorized personnel are clear of area before opening valves or energizing electrical
circuits for starting machinery
Suitable mechanical guards, such as enclosures or barricades, shall be permanently installed on all
machinery not already equipped with such to eliminate danger of injury from moving parts.
Machinery shall not be adjusted, repaired, oiled, or cleaned while machine is in operation or power is
Personnel operating machinery shall wear protective clothing as prescribed. A protective face shield
or goggles shall be worn when operating a grinder regardless of whether grinder is equipped with attached shields.
Jewelry shall not be worn while performing any maintenance
Fire safety. A constant vigilance must be maintained to seek out fire hazards. Fire hazards are constantly
present in the shop where sparks, friction, or careless handling can cause an explosion that may destroy equipment or
buildings, and injure or kill personnel. Refer to AR 385-10, The Army Safety Program and The Occupation Safety and
Health Act of 1971. The following fire safety practices shall be observed.
NO SMOKING signs shall be placed in areas where smoking could create a fire hazard.
Personnel shall be trained in the use, knowledge, and location of shop fire fighting equipment.
Each shop shall be equipped with fire extinguishers suited for type of fire most likely to occur.
Use correct fire extinguishers for class of fire as follows:
Class A fire (wood, paper, trash, etc.). Use
water or soda-acid fire extinguisher.
Class B fire (oil, paint, fuel, grease, etc.). X Use bromotrifluoromethane or carbon dioxide fire
Class C fire (electrical equipment). Use bromotrifluoromethane or carbon dioxide fire
Class D fire (combustible metals-magnesium, titanium, zirconium, sodium, lithium, and
potassium). Use dry powder type fire extinguisher
Oily waste, rags, and similar combustible materials shall be discarded in self-closing metal containers
which shall be emptied daily.
Flammable materials shall not be stored in the shop
(g) Use only approved cleaning solvents
Shop Tools and Materials. Handling tools and materials require observance of the following common safety
Do not leave tools or objects in elevated positions from which they can fall or be knocked off.
Do not point a compressed air stream toward any part of the body
All unserviceable tools will be plainly marked and removed from service
Electrical cables and air hoses to portable units will be laid out so there is no danger of tripping
Electrical tools must be connected to a low resistance ground.
Keep bench tops covered with material hard enough to prevent chips and other foreign material from
becoming imbedded. Keep bench tops clean and free from chips and filings.