Section 6 − Maintenance &Troubleshooting; Routine Maintenance; Supplementary Protector Cb1; Unit Overload - Miller Millermatic 210 Owner's Manual

SECTION 6 − MAINTENANCE &TROUBLESHOOTING

6-1. Routine Maintenance

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

6-2. Supplementary Protector CB1

1
3

6-3. 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.
OM-1325 Page 22
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 Supplementary Protector 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
supplementary protector.
2
Close door.
Ref. 802 475-C / Ref. 802 714
Ref. 802 990