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F-46

TROUBLESHOOTING & REPAIR

F-46

 

 

POWER BOARD REMOVAL AND REPLACEMENT (continued)

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PROCEDURE

1.Remove input power to the V250-S.

2.Perform Filter Capacitor Discharge Procedure detailed in Maintenance Section.

3.Locate the power board, the molex type plug J6, the five leads with push-on connectors and the four capacitor leads that are connected to the power board.

4.Carefully remove leads (with push- on connectors) #201, #204, #205, #208, and #209 from the power board.

5.Remove plug J6 by depressing the locking tab and removing it from the power board.

6.With the 7/16” wrench remove the four bolts and washers from the filter capacitor terminals.

Remove leads #202A, #207A, #203A and #206 from the capacitor terminals.

See Figure F.14. Cut any neces- sary cable ties.

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201

 

 

204

207A

+

 

202A

 

 

G2684

 

 

POWER

 

DANGER

 

 

 

 

HIGH VOLTAGE CAN KILL

J6

 

 

V250S

 

 

209

 

 

208

203A

+

206

 

 

 

205

Figure F.14 Power Board Lead Locations

INVERTEC V250-S

4 SOCKET HEAD CAP SCREWS

Page 78
Image 78
Lincoln Electric V250-S service manual Power Board Removal and Replacement, Figure F.14 Power Board Lead Locations