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TM 9-2320-364-34-2
6-406
6-39. GENERAL WELDING MAINTENANCE (CONT).
CARC paint contains isocyanate (HDI) which is highly irritating to skin and respiratory
system. High concentrations of HDI can produce symptoms of itching and reddening of
skin, a burning sensation in throat and nose and watering of the eyes. In extreme
concentrations, HDI can cause cough, shortness of breath, pain during respiration,
increased sputum production, and chest tightness. The following precautions must be
taken whenever using CARC paint:
NEVER weld or cut CARC-coated materials.
Do not let skin or eyes come in contact with CARC paint. Always wear protective
equipment (gloves, safety goggles, etc.).
DO NOT grind or sand painted equipment without high-efficiency air purifying respirators in
use.
BE AWARE of CARC paint exposure symptoms; symptoms can occur a few days after
initial exposure. Seek medical help immediately if symptoms are detected.
Unsafe welding practices can cause serious injury from fire, explosion, or harmful agents.
Allow only authorized personnel to weld or cut metals and follow safety precautions in TC
9-237. Protective clothing and goggles must be worn; adequate protective equipment used, a
suitable fire extinguisher kept nearby, and requirements of TC 9-237 strictly followed.
Do not attempt to weld on the vehicle without following the general welding maintenance
procedures or damage to the vehicles electrical system may result.
Do not weld on the frame. The frame is heat treated and damage may result.
Do not weld on or near electronic components or damage to the component may result.
Do not connect welding cables to electronic components or damage to the component may
result.
Place grounding clamp on or near part being welded or damage to other components may
result.
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