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1. routine maintenance, 3 months, 6 months – Miller Electric 255 User Manual

Page 20: 2. circuit breaker cb1

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OM-157 066 Page 16

SECTION 4 – MAINTENANCE & TROUBLESHOOTING

4-1.

Routine Maintenance

Y

Disconnect power
before maintaining.

.

Maintain more often
during severe conditions.

3 Months

Replace

Damaged Or

Unreadable

Labels

Clean And

Tighten

Weld

Terminals

Repair Or

Replace

Cracked

Cables And

Cords

6 Months

Blow Out Or

Vacuum Inside

Remove drive roll and
carrier. Apply light coat
of oil or grease to drive
motor shaft.

4-2.

Circuit Breaker CB1

Ref. ST-800 924-C

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.

1

2

3

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