Lincoln Electric POWER WAVE 355M - Manual (Page 104)

POWER BOARD REMOVAL AND REPLACEMENT
(continued)
TROUBLESHOOTING AND REPAIR F-58 F-58
POWER WAVE 355M/405M
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PROCEDURE
1. Remove input power to the POWER WAVE
355M/405M.
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 power board. See Figure F.25.
LEFT SIDE
Power Board
FIGURE F.25 POWER BOARD LOCATION