Wire Size Conversion Parts; Gun And Cable Installation - Lincoln Electric WIRE-MATIC SVM 117-A Service Manual

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WIRE SIZE CONVERSION PARTS

The Wire-Matic 250 is rated to feed .025" through .045"
(0.6-1.2mm) solid or cored electrode sizes. For vari-
ous drive roll kits refer to Acessories Section .

GUN AND CABLE INSTALLATION

WARNING
Turn the welder Power Switch OFF before chang-
ing output connection.
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1. Lay the cable out straight.
2. Locate the wing screw on conductor block inside
wire feed compartment. Unscrew it until the tip of
the screw no longer protrudes into gun opening as
seen from front of machine.
3. Insert the brass connector on the end of the gun
cable into conductor block through opening in the
front panel. Make sure the connector is fully insert-
ed and tighten wing screw.
4. Connect the gun trigger connector from the gun
and cable to the mating receptacle on the front
panel. Make sure that the keyways are aligned,
insert and tighten retaining ring.
NOTE: If a gun and cable other than the Magnum
250L is used, it must conform to connector specifica-
tions and the gun trigger switch must be capable of
switching 5 milliamps at 15 volts DC -resistive.
CAUTION
The gun trigger switch connected to the gun trig-
ger control cable must be a normally open,
momentary switch. The terminals of the switch
must be insulated from the Welding circuit.
Improper operation of or damage to the WIRE-
MATIC 250 might result if this switch is common to
an electrical circuit other than the WIRE-MATIC 250
trigger circuit.
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INSTALLATION
WIRE-MATIC 250
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