Hobart Welding Products OM-947 212 149D Maintenance &TROUBLESHOOTING, Routine Maintenance, Months

Models: OM-947 212 149D

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SECTION 6 − MAINTENANCE &TROUBLESHOOTING

6-1. Routine Maintenance

Y Disconnect power before maintaining.

3 Months

Replace unreadable labels.

Repair or replace cracked weld cable.

Clean and tighten weld terminals.

6 Months

Blow out or vacuum inside.

During heavyOr service, clean

monthly.

6-2. Overload Protection

1

1 Supplementary Protector CB1

CB1 protects unit from overload. If CB1 opens, unit shuts down.

Reset supplementary protector.

803 379-A

6-3. Drive Motor Protection

Drive motor protection circuit protects drive motor from overload. If drive motor becomes inoperative, release gun trigger and wait until protection circuit resets allowing drive motor to feed wire again.

OM-947 Page 20

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Hobart Welding Products OM-947 212 149D Maintenance &TROUBLESHOOTING, Routine Maintenance, Overload Protection, Months