Transcript
Model 79-3500 Weld Head Troubleshooting Guide M79-3500 Weld Head Travel Problems Travel Stops (no Jog) Travel Stops (no Jog) Travel stops (Jog motor turns but no movement) Travel not in control in sequence (jog like speed) Travel not in control in sequence Travel not in control in Weld Sequence but Ok in Test Travel slow Possible Problem Area Broken wire in control cable Broken motor Broken motor Broken adjustment trim pot Broken wire to motor Shorted feed back wiring to Weld Head housing Low high-pot for motor Solutions Check connectors for broken connection, check control cable for damage Replace motor with rebuilt Coupling and sheer pin Replace Repair wire connection Repair shorted wire Replace motor with rebuilt AVC Problems AVC Travel stops (no Jog) AVC Travel stops (no Jog) AVC Travel rough AVC jogs up at sequence start AVC jogs down only at touch start Broken wire in control cable Broken motor Loose clutch Broken power cable Broken or not connected ground Check connectors for broken connection, check control cable for damage Replace motor with rebuilt Repair and adjust clutch spring pressure Replace wire rope and fittings Connect ground RF Problems No RF start at sequence start No RF start at sequence start No RF start at sequence start Broken power cable Zipper wrapped around pipe Broken choke Replace wire rope and fittings Unwrap cable assembly from pipe Replace choke Broken wire in control cable Broken motor Broken motor Broken feed back potentiometer Feed 5 volts wire broken Dirty Ball Screw Damaged Ball Screw Check connectors for broken connection, check control cable for damage Replace motor with rebuilt Coupling and sheer pin Replace position pot Repair wire connection Clean and lubricate with dry lube Replace Ball Screw Assembly Broken wire in control cable Broken motor Broken motor Broken Adjustment Trim Pot Broken wire to motor Shorted feed back wiring to Weld Head housing Check connectors for broken connection, check control cable for damage Replace motor with rebuilt Coupling and sheer pin Replace Repair wire connection Repair shorted wire OSC Problems OSC Travel stops (no Jog) OSC Travel stops (no Jog) OSC Travel stops (Jog motor turns but no movement) OSC Travel Stops (Jog motor turns but no position control) OSC Drifts to one side OSC Travel rough OSC Travel rough Wire Feed Problems Wire Feed Stops (no Jog) Wire Feed Stops (no Jog) Wire Feed (Jog motor turns but no movement) Wire Feed not in control in Sequence Wire Feed not in control in Sequence Wire Feed not in control in Weld Sequence but OK in Test
