SECTION 5 − MAINTENANCE &TROUBLESHOOTING
5-1. Routine Maintenance
Y | Disconnect power | . Maintain more often | |
during severe conditions. | |||
| before maintaining. | ||
|
|
3 Months
Replace unreadable labels
Repair or replace cracked weld cable
Clean and tighten weld terminals
6 Months
Blow out or vacuum inside.
OR
Remove drive roll and carrier. Apply light coat of oil or grease to drive motor shaft.
5-2. Circuit Breaker CB1
1
1 Circuit Breaker CB1
CB1 protects the unit from over-
loading of drive motor M1. If CB1 opens, wire feeding stops.
2 Welding Gun
Check gun liner for blockage or kinks.
3 Wire Drive Assembly
Check for jammed wire, binding drive gear or misaligned drive rolls.
2
3
5-3. Unit Overload
Allow cooling period and reset breaker. Close door.
221−253−4
Thermal switches TP1 in XFMR and TP2 in SR1 protect the unit from damage due to overheating. If the thermal indica- tor illuminates, wait for unit to cool allowing fan motor to run before trying to weld. If unit is cool and no weld output continues, contact Factory Authorized Service Agent.
