Lincoln Electric SVM132-A service manual Relay PC Board Roundhead Screw

Models: SVM132-A

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F-31

TROUBLESHOOTING AND REPAIR

F-31

 

 

 

 

 

TRIGGER TRANSFORMER REPLACEMENT (continued)

FIGURE F.9 – TRIGGER TRANSFORMER REMOVAL

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RELAY

PC BOARD

ROUNDHEAD

SCREW

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INSULATION

SHEET

TRIGGER

TRANSFORMER

NUT

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REPAIR PROCEDURE

1.Using the 5/16 in. nutdriver remove the screws from the left side cover assembly.

2.Remove the Relay PC board as described in the PC Board

Replacement procedure.

3.Disconnect the Molex plug for the trigger transformer from the bottom of the relay board. Refer to Figure F.9.

4.Using a flat blade screwdriver and needlenose pliers, remove the trig- ger transformer and insulation sheet from the case.

5.Place the insulation sheet and new trigger transformer into the case and install the screws and nuts that secure the transformer in place.

6.Install the Relay PC board as described in the PC Board Replacement procedure.

7.Attach the trigger transformer Molex plug to the bottom of the relay board.

8.Install the screws that secure the left side cover assembly.

LN-8

Page 81
Image 81
Lincoln Electric SVM132-A service manual Relay PC Board Roundhead Screw, Insulation Sheet Trigger Transformer NUT