Lincoln Electric V155-S - Manual (Page 61)

OUTPUT
TERMINALS
10MM
BOLTS
DC-
DC+
FIGURE F.13 – INVERTER BOARD REMOVAL
INVERTER BOARD REMOVAL AND REPLACEMENT PROCEDURE (CONTINUED)
7. Using a 10mm nutdriver with extension, remove the
two bolts mounting the inverter board to the positive
(+) and negative (-) leads that connect to the output
terminals on the front ot the macine. See Figure
F.13
Note: One 10mm mounting bolt can be accessed from
the soldered side of the inverter board. The
other bolt must be accessed from the left side of
the machine using the socket extension. Note
washer placement for reassembly,
8. Label and disconnect any associated plugs and
leads.
9. Remove the inverter board.
10. Connect JP 1 connector and make sure that the
upper front corner of the board is in the locator slot
of the front panel.
11. Be sure that the white lead is re-connected to the
Positive Input terminal.
12. Re-connect the red and black leads to the DC+ and
DC- points on the Inverter Board.
13. Re-install the Inverter to the case, making sure the
ground lead is re-connected to the lower front cor-
ner.
TROUBLESHOOTING & REPAIR F-29 F-29
INVERTEC® V155-S
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