Snubber Board Location; Snubber Board Leads (Close Up) - Lincoln Electric INVERTEC V350-PRO Service Manual

F-74
SNUBBER BOARD REMOVAL AND REPLACEMENT (continued)
PROCEDURE
1. Remove input power to the V350-PRO.
2. Using a 5/16" nut driver remove the case wrap-
around cover.
Snubber
Board
5. Remove small lead #B1 from the board.
Figure F.33.
6. Remove the four bolts using a 7/16" socket. Two
of these bolts have leads #30 and #10 connected
to them. Note the position of all leads and associ-
ated washers upon removal.
TROUBLESHOOTING & REPAIR
FIGURE F.32. – SNUBBER BOARD LOCATION
See
FIGURE F.33. – SNUBBER BOARD LEADS (CLOSE UP)
Lead 20
V350-PRO
3. Perform the Input Filter Capacitor Discharge
Procedure detailed earlier in this section.
4. Locate the snubber board.. See Figure F.32.
LEFT SIDE
7. Carefully remove the snubber board.
8. Replace the snubber board.
9. Replace the bolts, leads, and washers previously
removed. Torque bolt to 30-40 Inch Lbs.
10. Replace the case wraparound cover.
Lead 30
Lead B1
F-74