Welding operations produce heat, toxic fumes, radiation, metal slag, and carbon
particles. Welding helmet with properly tinted lenses, gloves, apron, and welding
boots are required or injury to personnel may result.
Do not strike an arc on the piston or compressor piston. Make initial strike on lock
bar, moving the electrode into place over end of lock bar or severe damage to
equipment may result.
Apply a 0.12-inch (0.30 cm) fillet, approximately 0.5 inch (1.3 cm) long, tack weld to both ends of lock bar (5) to