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 TM 55-1905-219-14-8
Should a person be overcome in a space which lacks oxygen because of high concentrations of R-
12 being present, treat such person the same as for suffocation, i.e., through artificial respiration.
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.
Ramp hinge pins must be replaced one at a time, allowing three remaining pins to support ramp.
Removal of two or more hinge pins may result in the weight of the ramp misaligning the remaining
hinges, resulting in damage to ramp and possible injury or death to maintenance personnel.
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.
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