Lincoln Electric SVM150-A User Manual download pdf (Page 100)

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TROUBLESHOOTING & REPAIR

F-50 F-50

RANGER 250

WARNING

POWER MODULE ASSEMBLY/POWER MODULE PC BOARD/

DIODE MODULE REMOVAL AND REPLACEMENT

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 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

This procedure will aid the technician in the removal and replacement of the Power

Module assembly. Procedures for removal and replacement of the Power Module PC

board and the diode module are included.

MATERIALS NEEDED

3/8" wrench or socket wrench

7/16" wrench

7/16" Socket wrench

1/2" Wrench

9/16" Wrench

3/16" Allen head wrench

9/64" Allen head wrench

Torque wrench with 3/16" and 9/64" allen head sockets

Phillips head screw driver

Diagonal cutters

Electrical thermal joint compound - Penetrox A-13

This procedure should take approximately 1 hour to perform.

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Lincoln Electric SVM150-A User Manual Page 100