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 TM 55-1905-220-14-6
(CON' )
T
When cutting with a torch, or when welding, always station fire watches, ready with fire
extinguishers, in the vicinity on both sides of the plate that is being cut or welded.
Prior to cutting or welding on the ramp, remove drain plugs on both sides of the ramp and check
if ramp interior is primer coated. If primer coated, flush thoroughly with steam, carbon dioxide,
or water. Do not reinstall drain plugs until the cutting and/or welding operation is completed.
Failure to take this precaution may result in explosion of accumulated primer vapors.
When refueling, shut down the electrical system. Observe the no smoking rule. Do not permit
anyone to operate tools or equipment which may produce sparks near the refueling operation.
Sparks or fire may ignite the diesel fuel and produce an explosion.
Fuel oil and other pretroleum products are highly volatile in extreme heat. To minimize the
possibility of explosion, wipe up all spills at once, see that fuel lines and valves are not leaking
and pump bilges regularly.
Before attempting to remove any compressed air system lines or components, relieve air
pressure from system. Failure to do so may result in injury or possible death to maintenance
personnel.
Before disconnecting a line in the hydraulic system, bleed the pressure from that portion of the
line. Failure to do so may result in injury or possible death to maintenance personnel.
When working inside the hydraulic oil supply tank, a portable-type circulating blower should be
used to prevent vapor accumulation. For extended work periods inside the tank, an air line tube
respirator should be worn. Station an observer outside tank in case worker is overcome by
fumes.
Acids can cause serious burns or blindness. Avoid contact with eyes, skin, or clothing. Do not
breathe vapors. Wear rubber gloves, goggles, and a rubber apron when handling them. When
diluting acids, do not add water to acid, the acid must be added to the mixture slowly and with
constant mixing. In case of contact with acid, flush the affected area with plenty of water and
obtain medical aid immediately.
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