Troubleshooting & repair – Lincoln Electric INVERTEC V350-PRO SVM152-A User Manual
Page 131
24. Replace the current transducer.
25. Replace the two 3/8” mounting nuts previously
removed.
26. Reconnect plug #J90 to the current transducer.
27. Replace any necessary cable ties previously cut.
28. Replace the output diode heatsink assembly pre-
viously removed using a 3/8” wrench.
Note: Be sure to place insulation in its original
location.
29. Replace leads #X2, #20, #X4, #40 previously
removed from the two output diode modules.
Torque to 30-40 inch lbs.
30. Perform the Snubber Board Replacement
31. From the rear of the machine, replace the heavy
flex lead to the bottom of the output diode
heatsink assembly using a 1/2” wrench. Note:
Don’t forget to include all washers.
32. The rear of the machine may now be placed back
into its original position.
33. Using a 3/8” wrench, replace leads #202, #203,
#206, and #207A previously removed from the
reconnect switches.
34. Tighten the metal nut previously removed from the
inside of the rear wall on the back of the machine.
Channel locks may be necessary.
35. Replace the large plastic nut from around input
power line located at the back of the machine.
36. Replace the seven leads to the reconnect panel in
their proper locations.
37. Replace the two leads to the CB2 circuit breaker.
38. Replace the four leads to the two wire feeder cir-
cuit breakers.
39. Using a 5/16” nut driver, replace the four screws
at the top and bottom at the rear of the machine.
40. Replace the two phillips head mounting screws
from around each wire feeder receptacle.
41. Replace the case wraparound cover.
TROUBLESHOOTING & REPAIR
CURRENT TRANSDUCER REMOVAL AND REPLACEMENT (continued)
F-93
F-93
V350-PRO