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F-183

F-183

TROUBLESHOOTING & REPAIR

MAIN INPUT CONTACTOR (CR1) REMOVAL

AND REPLACEMENT

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 elec- trical shock, please observe all safety notes and precautions detailed throughout this manual.

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical trou- bleshooting assistance before you proceed. Call 1-800-833-9353 (WELD).

DESCRIPTION

The following procedure will aid the technician in removing the main input contactor for maintenance or replacement.

MATERIALS NEEDED

Slot head screw driver 5/16" Nut driver

3/8" Open end wrench

Machine Wiring Diagram in the Electrical Diagrams section of this manual

This procedure takes approximately 45 minutes to perform.

POWER WAVE 450

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Lincoln Electric SVM112-B service manual Main Input Contactor CR1 Removal Replacement, Description