Miller Millermatic Spoolmate 185 Spool Gun Owner's Manual page 31

SECTION 4 – MAINTENANCE &TROUBLESHOOTING
4-1. Routine Maintenance
3 Months
Replace unreadable labels
Clean and tighten weld terminals
6 Months
Blow out or vacuum inside.
4-2. Circuit Breaker CB1
3
1
4-3. Unit Overload
Thermostats TP1 in rectifier SR1 and TP2 in stabilizer Z1 protect the unit from damage due to overheating. If TP1
and/or TP2 opens, wait several minutes before trying to weld.
Y Disconnect power
before maintaining.
Repair or replace
cracked weld cable
Remove drive roll and
carrier. Apply light coat
of oil or grease to drive
motor shaft.
OR
.
Maintain more often
during severe conditions.
1 Circuit Breaker CB1
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.
Allow cooling period and reset
breaker. Close door.
2
OM-1322 Page 27
Ref. 802 714