Lincoln Electric SQUARE WAVE TIG 355 Service Manual page 131

F-79
INPUT CONTACTOR REMOVAL AND REPLACEMENT (continued)
13. Replacement: Mount the contactor bracket
assembly to the case back and attach it with
the 4 mounting screws. Use the 5/16" nutdriv-
er.
14. Attach leads #243 and #242 to the contactor
interlock located on the bottom of the contac-
tor.
15. Attach leads #243 and #244 to the contactor
coil tabs.
16. Attach small lead #246 to the L2 terminal.
17. Attach small lead H1 to the L1 terminal.
18. With the slot head screw driver, attach the cop-
per strap, the heavy lead, and the small capac-
itors to the output side of the contactor.
19. With the slot head screw driver, attach the input
leads to the L1 and L2 terminals on the input
contactor.
20. With the 5/16" nutdriver, install the rear access
panel, case sides and top.
TROUBLESHOOTING AND REPAIR
SQUARE WAVE TIG 355
F-79