Lincoln Electric INVERTEC V275-S Service Manual page 84

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REMOVAL AND REPLACEMENT (continued)
PROCEDURE
1. Remove input power to the V275-S.
2. Using a 5/16" nut driver, remove the case
wraparound cover.
3. Perform the Input Filter Capacitor Discharge
Procedure detailed earlier in this section.
4. Locate the snubber board. See Figure F.28.
5. Using a 7/16" nut driver, remove the four nuts
located on the snubber board. Be sure to label
all associated leads and washer placement
before removal. See Figure F.29.
TROUBLESHOOTING & REPAIR
SNUBBER BOARD
FIGURE F.28 - Snubber Board Location
Snubber
Board
V275-S
380V
208-230V
6. Disconnect lead 381 and remove snubber
board. See Figure F.29.
7. Place new snubber board in it's proper loca-
tion.
8. Reconnect lead 381 previously removed.
9. Replace the four nuts, associated leads and
washers previously removed.
10. Replace the case wraparound cover.
F-54