Lincoln Electric SVM140-A service manual Screw, Input Rectifier Bridge Removal and Replacement

Models: SVM140-A

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TOC

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F-67

F-67

TROUBLESHOOTING & REPAIR

INPUT RECTIFIER BRIDGE REMOVAL AND REPLACEMENT (continued)

PROCEDURE

1.Remove input power to the Pro-Cut 55.

2.Perform the Input Filter Capacitor Discharge Procedure detailed earlier in this section.

3.Locate the input rectifier and the leads con- nected to it. See Figure F.25.

4.Identify and mark the leads connected to the rectifier terminals.

5.With the phillips head screw driver, remove the lead terminals connected to the rectifier terminals.

6.Using the 3/16” allen wrench, remove the two cap head screws and washers mounting the input rectifier bridge to the center panel assembly.

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CAP HEAD

 

#207

 

MOUNTING

#207A

SCREW

 

 

A

B

C

#209

FIGURE F.25 – INPUT RECTIFIER LEAD LOCATIONS

PRO-CUT 55

Page 104
Image 104
Lincoln Electric SVM140-A service manual Screw, Input Rectifier Bridge Removal and Replacement