3-21 REPAIR COMBUSTION CHAMBER HOUSING (AVIM) (Continued)
Welding operations are hazardous. Harm-
ful light rays may injure eyes and burn
skin. Poisonous fumes may cause illness.
Burns and fires may result from hot
sparks. Wear protective clothing and
equipment. Perform welding operations
in well ventilated areas away from flam-
mable liquids and gases. If fire occurs,
call for assistance and use proper extin-
guishing procedures. If injury or illness
occurs, get medical attention.
1. Repair combustion chamber housing nut plates
(1) if damaged or missing as follows:
Power grinding is hazardsous to personnel.
Sparks and metal chips may injure eyes.
If injury occurs, get medical attention.
Be careful not to grind into parent
metal. Damage will result to the com-
bustion chamber housing.
a. Wear goggles. Remove damaged nut plate (1)
by grinding tack welds (2). Use portable
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