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V350-PRO
TROUBLESHOOTING & REPAIR
F-52 F-52
PROCEDURE
1. Remove input power to the V350-PRO.
2. Using a 5/16” nut driver remove the case wrap-
around cover.
3. Perform the Input Filter Capacitor Discharge
Procedure detailed earlier in this section.
4. Locate the control board behind the front panel of
the machine. See Figure F.16.
5. Using a 5/16” nut driver remove the four screws
from the top and bottom of the front of the
machine. See Figure F.17.
6. Using a phillips head screwdriver remove the six
screws and their washers from around the input
power switch. See Figure F.17.
7. Using a phillips head screwdriver remove the four
screws from around the two welder output termi-
nals on the front of the machine. See Figure F.17.
CONTROL BOARD REMOVAL AND REPLACEMENT (continued)
