8
3
7
6
5
TM 9-4940-568-10
3-22
Table 3-1. Troubleshooting - CONT.
Malfunction
Test or Inspection
Corrective Action
MIG WELDER (CONT)
1.
MIG WELDER DOES NOT OPERATE (CONT).
Step 4. Check WELDER circuit breaker No. 1, No. 3, No. 5 (5) on 120/208 MAIN PANEL (6) has
been tripped.
Reset breaker and try again, if breaker trips again, notify Unit Maintenance.
Step 5. Check MAIN circuit breaker (7) on 120/208 MAIN PANEL (6) is in ON position.
Position circuit breaker in ON position.
Step 6. Check all connections to MIG welder (8) from STICK (SMAW) welder (3).
If connections are secure and MIG welder still does not operate, notify Unit Maintenance.
