Section 5 − Maintenance &Troubleshooting; Routine Maintenance; Circuit Breaker Cb1; Unit Overload - Miller Millermatic Pulser M-15 Gun Owner's Manual

SECTION 5 − MAINTENANCE &TROUBLESHOOTING

5-1. Routine Maintenance

3 Months
Replace unreadable labels
Clean and tighten weld terminals
6 Months
Blow out or vacuum inside.

5-2. Circuit Breaker CB1

3
1

5-3. 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
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.
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. 802 990
Ref. 802 714-B