Lincoln Electric SVM133-B service manual Control PC Board Removal and Replacement

Models: SVM133-B

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F-82

F-82

TROUBLESHOOTING & REPAIR

CONTROL PC BOARD REMOVAL AND REPLACEMENT (continued)

FIGURE F.33 – MOLEX PLUG REMOVAL

ENGINE PROTECTION

BOARD MOLEX PLUG

P e l 9 9 6

CV BOARD

MOLEX PLUG

CONTROL BOARD

MOLEX PLUGS

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PROCEDURE

Before starting the following procedure, refer to the topic “PC Board Troubleshooting Procedures” at the beginning of this section.

1.Turn off the engine.

2.Using the 5/16" nut driver, remove the front control cover assembly.

3.Using the 5/16" nut driver, remove the control board cover.

4.Locate and carefully remove the molex type plugs from the control board, engine protec- tion board and CV board (if used). See Figure F.33 and the Wiring Diagram.

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COMMANDER 400

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Lincoln Electric SVM133-B Control PC Board Removal and Replacement, CV Board Molex Plug Control Board Molex Plugs