Watch the continuation of a line boring and bore welding process on a Caterpillar 730 Articulated Dump Truck A-frame with a worn eye. Observe the use of a Sir Meccanica WS2 portable machine for bore welding, line boring, and surface finishing. Follow the step-by-step repair process, including cleaning, welding, machining to specifications, drilling retaining plate bolt holes, and cryo freeze shrink fitting a new bushing using liquid nitrogen. Conclude with the application of Caterpillar yellow paint, preparing the repaired A-frame for immediate reinstallation.
Line Boring and Bore Welding Caterpillar 730 Dump Truck A-frame Eye - Part 2