Miller And M-25 Gun Panduan Pemilik - Halaman 25

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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

4-3. Unit Overload

Thermostat TP1 in rectifier Z1 protects the unit from damage due to overheating. If TP1 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.

Maintain more often

during severe conditions.

Circuit Breaker CB1

If CB1 opens, wire feeding stops.

Circuit Breaker CB2

Overcurrent at pin D of receptacle

RC7 will cause CB2 to open.

Welding Gun

Check gun liner for blockage or

kinks.

Wire Drive Assembly

Check for jammed wire, binding

drive gear or misaligned drive rolls.

Allow cooling period and reset

breaker. Close door.

802 475-A / Ref. 800 797-C

OM-1320 Page 21