SERVICE MANUAL FOR WINCH MODELS PA55 & PA56 Caterpillar

The following specifications apply to welding ductile iron or steel to ductile iron when attaching arches, fairleads, or guarding to the winch case.

Preparation: Attachments should be chamfered to ensure adequate penetration. Weld joints must be free of rust, scale, slag, sand, dirt, grease, oil, paint or moisture. Entire weldment should be not less than 65°F (18°C).

Procedure: Use multi-pass welding technique (stringer bead) and follow electrode manufacturers recommendation for current, voltage, polarity and speed.