Lincoln Electric X-TRACTOR 3A Service Manual page 64

X-TRACTOR ® 3A
REMOVAL AND REPLACEMENT PROCEDURE
F1 THERMAL
CIRCUIT BREAKER
REMOVAL PROCEDURE
1. Remove input power to the X-Tractor 3A.
2. Perform Case Cover Removal Procedure.
3. Locate F1 thermal circuit breaker on the back of the machine. See
Figure F.28.
4. Using a phillips screwdriver, remove the two screws securing the
F1 thermal circuit breaker enclosure cover to the machine. See
Figure F.28.
5. Using a phillips screwdriver, label and disconnect the six leads
(three on top and three on bottom) connected to the thermal circuit
breaker. See Figure F.29. See Wiring Diagram.
6. Using a phillips screwdriver, label and disconnect the two
contactor leads. See Figure F.29. See Wiring Diagram.
7. Using a phillips screwdriver, label and remove the two ground
leads to the left of the contactor. See Figure F.29. See Wiring
Diagram.
8. Using a phillips screwdriver, loosen and remove the four bracket
mounting clips on the F1 thermal circuit breaker enclosure. Note
position of clips for reassembly.
9. Remove any necessary cable ties and route lead wires through
mounting bracket before removal. Note lead routing prior to
removal.
10. The F1 thermal circuit breaker can be removed and replaced.
F1 THERMAL CIRCUIT BREAKER
Figure F.28 – F1 thermal circuit breaker location
F-50
TROUBLESHOOTING AND REPAIR
(continued)
F1 THERMAL CIRCUIT
BREAKER ENCLOSURE
COVER SCREWS