Lincoln Electric SVM144-B service manual Control PC Board, Removal and Replacement Procedure

Models: SVM144-B

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F-38

TROUBLESHOOTING AND REPAIR

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CONTROL PC BOARD

REMOVAL AND REPLACEMENT PROCEDURE (Continued)

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FIGURE F.10 — WIRING HARNESS AND MOLEX PLUG LOCATIONS.

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REMOVAL AND REPLACEMENT PROCEDURE

1.Disconnect main input power the machine.

2.Open the side panels and remove the tool tray using a 5/16 in. nutdriver.

3.Disconnect all wiring harness plugs and Molex plugs connected to the control board. See Figure F.10.

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POWER MIG 255

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Lincoln Electric SVM144-B service manual Control PC Board, Removal and Replacement Procedure