Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B Service Manual page 245

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MAIN INPUT CONTACTOR (CR1) REMOVAL AND REPLACEMENT (continued)
9. With the slot head screw driver, remove
the two small leads (T1 and T3) from the
output side of the contactor.
10. With the slot head screw driver, remove
the two contactor coil leads (#324 and
#326) from the contactor.
11. With the slot head screw driver and 3/8"
wrench, loosen the two mounting screws
and nuts holding the contactor to the ver-
tical mounting panel.
12. Remove the contactor by lifting up and
out.
TROUBLESHOOTING & REPAIR
POWER WAVE 450
13. For replacement, mount the contactor to
the vertical mounting panel with the two
3/8" mounting screws and nuts.
14. Attach all the contactor leads: coil leads
#324 and #326; small leads T1 and T3 to
the output side; three heavy leads to the
output side; small leads L1A and L3A and
three input leads to the input side. Tighten
all evenly with the slot head screw driver.
15. Install the machine case sides and top.
16. Install the handle and the lift bail rubber
gasket.
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