Lincoln Electric 11141 Service Manual page 106

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F-60
POWER BOARD REMOVAL AND REPLACEMENT (continued)
PROCEDURE
1. Remove input power to the POWER WAVE
355M/405M.
2. Using a 5/16" nut driver remove the case wrap-
around cover.
TROUBLESHOOTING AND REPAIR
FIGURE F.26 – POWER BOARD LOCATION
Power Board
LEFT SIDE
POWER WAVE
3. Perform the Input Filter Capacitor Discharge
®
Procedure detailed earlier in this section.
4. Locate the power board. See Figure F.26.
®
355M/405M
F-60

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