Lincoln Electric 355M Manuel d'utilisateur télécharger pdf (Page 59)

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 1-888-935-3877.

TEST DESCRIPTION

This procedure will drain off any charge stored in the four large capacitors that are part

of the switch board assembly. This procedure MUST be performed, as a safety pre-

caution, before conducting any test or repair procedure that requires you to touch inter-

nal components of the machine.

MATERIALS NEEDED

5/16” Nut Driver

Insulated Pliers

Insulated Gloves

High Wattage Resistor (25-1000 ohms and 25 watts minimum)

DC Volt Meter

INPUT FILTER CAPACITOR DISCHARGE PROCEDURE

TROUBLESHOOTING AND REPAIR

F-13 F-13

POWER WAVE 355M/405M

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WARNING

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Lincoln Electric 355M Manuel d'utilisateur Page 59