1. Model 79 3500 Weld Head Troubleshooting Guide IM79 3500 Weld Head O O O O Replace motor with rebuilt Coupling and sheer pin Replace Repair wire connection Repair shorted wire C ion ee S SS rr C lnaaann aveProbems O CS C CSNCN C dD SS C yNNNNNNSCSCSC SNNNNOOS a E a REPobems O OOOO G ee E r _i rCY Oscrroblems lt CONN SCNNNSSOCSCSC si yNSCNCNNNN WirefeedProbems O OO OOO OUO O Arc MACHINES INC