Lincoln Electric 11694 Service Manual page 87

®
POWER WAVE S350
REMOVAL AND REPLACEMENT PROCEDURE
MOUNTING
HOLES
REPLACEMENT PROCEDURE
1. Carefully position the new DC bus board onto the mounting studs.
2. Using a 3/8" nutdriver, attach the four nuts securing the DC bus
board to the vertical divider.
3. Connect plugs J46 and J47 to the DC bus board. See Wiring
Diagram.
4. Perform the Case Cover Replacement Procedure.
5. Perform the Retest After Repair Procedure.
DC BUS BOARD
Figure F.40 – DC bus board plug and mounting hole location
LED 1
J47
J47
L1
R25
R20 R19
R22
R23
D5
X1
L15732-1
C18 C17
C13
J46
C4 C3
DZ5
R1
R2
R11
R9
R10
D2
C8
DZ4
C10
X2
C9
C5
D3
TROUBLESHOOTING AND REPAIR
(continued)
J46
MOUNTING
HOLES
81