Lincoln Electric SVM156-A Figure F.20 Auxiliary Transformer no Removal and Replacement

Models: SVM156-A

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F-53

F-53

 

 

TROUBLESHOOTING & REPAIR

AUXILIARY TRANSFORMER NO. 1 REMOVAL AND

REPLACEMENT PROCEDURE (CONTINUED)

FIGURE F.20 – AUXILIARY TRANSFORMER NO. 1 REMOVAL AND REPLACEMENT

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X3

X5

H1

RECONNECT

 

 

TERMINALS

 

 

 

H2

CB4 H3

H4

H5

FAN MOTOR

LEADS

X1

+

- X2

POWER BOARD

RECTIFIER BRIDGE

INPUT CONTACTOR

601

X4

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REMOVAL PROCEDURE

1.Remove input power to the Power Wave 455/R.

2.Using the 3/8” nut driver, remove the case top, sides and input access panel.

3.Perform the Capacitor Discharge proce- dure.

4.Using the 3/8” nut driver, remove the case back.

5.Remove lead X4 from the input contactor coil terminal.

POWER WAVE 455/R

Page 99
Image 99
Lincoln Electric SVM156-A service manual Figure F.20 Auxiliary Transformer no Removal and Replacement