Lincoln Electric INVERTEC SVM199-A - Manual (Page 112)

FIGURE F.20 – DOOR REMOVAL
AUXILIARY TRANSFORMER NO. 1 REMOVAL AND
REPLACEMENT PROCEDURE (continued)
REMOVAL PROCEDURE
1. Remove input power to the V450-PRO.
2. Using the 3/8” nut driver, remove the case top,
and input access panel.
3. Perform the Capacitor Discharge Procedure.
4. Using the 3/8” nut driver, remove the case back.
5. Remove leads 41B and unplug P59. See
Figure F.20.
6. Label and cut or remove all primary and sec-
ondary leads from transformer #1. See Wiring
Diagram.
7. Disconnect plug P59. See Figure F.20.
TROUBLESHOOTING AND REPAIR F-72 F-72
INVERTEC® V450-PRO
TRANSFORMER #1 3/8” MOUNTING SCREWS (2) PLUG P59
TRANSFORMER #1
3/8” MOUNTING
SCREWS (2)
PLUG
P59
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