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F-21

TROUBLESHOOTING AND REPAIR

F-21

 

TACH ADJUSTMENT AND FEEDBACK TEST (continued)

 

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TACH ADJUSTMENT

PROCEDURE

Proper positioning of the module is critical to the proper operation the LN-10 wire feed- er. If the device is not screwed in far enough the motor speed could be unstable or run at full speed with no control. If screwed in too far it will rub a moving part inside the gearbox.

1.Remove input power to the LN-10 wire feeder.

2.Make sure the module is securely attached to the gearbox.

3.Using the 9/16 in. wrench loosen the locking nut.

4.Gently screw the hall effect module into the mounting plate until it just touches and stops against the rotating part inside the gearbox. See Figure F.2A.

5.Back the module out 1/2 turn. Using the 9/16 in. wrench and carefully snug the lock nut without rotating the module position. See Figure F.2A.

6.Install the wire drive cover.

LN-10

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Lincoln Electric SVM154-A service manual Tach Adjustment Procedure

SVM154-A specifications

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