Lincoln Electric SVM158-A service manual #206 #202 #207A #203

Models: SVM158-A

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F-89

F-89

TROUBLESHOOTING & REPAIR

CURRENT TRANSDUCER REMOVAL AND REPLACEMENT (continued)

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5.Label and remove the five leads connected to the reconnect panel. Pliers may be necessary.

6.Label and remove the two leads connected to the CB2 circuit breaker.

7.Using a crescent wrench, remove the large plastic nut from around the input power line located at bot- tom of the rear assembly. See Figure F.41.

8.Locate the steel nut located directly on the other side of the rear assembly behind the plastic nut that was previously removed. See Figure F.41.

9.Using a hammer and a flathead screwdriver, firmly tap the metal nut from the bottom of one of its ribs. This tapping will loosen the nut. Note: Be sure to tap from the bottom so the nut loosens in a counter clockwise fashion if viewed from the front of the machine.

10.Using a 3/8” nut driver label and remove leads #202, #203, #206, #207A from the reconnect switches. See Figure F.41.

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FIGURE F.41. LEAD LOCATIONS

#206 #202

#207A

#203

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ELECTRIC

WAR

NING

 

A

AMPS

 

V

VOLTS

 

 

 

A

 

 

OUTPUT

WELD

 

 

TERMINALS

 

 

 

 

SELECT

 

-

 

ON

 

 

OFF

 

 

Nut

Nut

Metal

 

Plastic

 

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V350-PRO

Page 139
Image 139
Lincoln Electric SVM158-A service manual #206 #202 #207A #203