Polarity Switch Removal And Replacement - Lincoln Electric PRECISION TIG 185 SVM169-A Service Manual

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REMOVAL AND REPLACEMENT PROCEDURE REMOVAL AND REPLACEMENT PROCEDURE
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
TROUBLESHOOTING & REPAIR
POLARITY SWITCH POLARITY SWITCH
WARNING
PRECISION TIG 185
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