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OM-192 440 Page 18
SECTION 4 – MAINTENANCE AND TROUBLESHOOTING
4-1. Routine Maintenance
Y Disconnect power 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. During
heavy service, clean monthly.
OR
Remove drive roll
and apply light coat
of oil or grease to
drive motor shaft.
4-2. Circuit Breakers
Ref. ST-802 285
2
Y Turn Off unit.
1 Circuit Breaker CB1
CB1 protects main circuit board PC1
if drive motor shorts or fails. If CB1
opens, wire feeding stops. Check for
gun liner blockage or kinks, and check
for jammed wire, or binding drive rolls.
2 Circuit Breaker CB2
CB2 protects the trigger circuit from
overload. If CB2 opens, weld output
stops. Check gun switch, and trigger
leads.
Correct problem. Press button to reset
circuit breaker. Close door.
1