Lincoln Electric SVM169-A service manual Troubleshooting & Repair

Models: SVM169-A

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F-45

TROUBLESHOOTING & REPAIR

F-45

POLARITY SWITCH

REMOVAL AND REPLACEMENT PROCEDURE

WARNING

Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and pre- cautions detailed throughout this manual.

If for any reason you do not understand the test procedures or are unable to per- form the test / repairs safely, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.

TEST DESCRIPTION

This procedure will aid the technician in the removal and replacement of the polarity switch.

MATERIALS NEEDED

3/8” Nutdriver

1/2” Wrench

7/16” Wrench

Phillips head screwdriver

5/64” Allen type Wrench

Needle nose pliers

Slot head screwdriver (2 required)

Wiring diagram

PRECISION TIG 185

Page 83
Image 83
Lincoln Electric SVM169-A service manual Troubleshooting & Repair, Polarity Switch Removal and Replacement Procedure