OPERATION |
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DESCRIPTION OF CONTROLS
Power ON/OFF Switch — Place the lever in the "ON" position to energize the POWER MIG 255C. When the power is on, the red LED display lights illuminate.
Voltage Control — This is a continuous control that gives full range adjustment of power source output voltage. It can be adjusted while welding over its 10 to 28 volt range.
mation also appears on the Procedure Decal on the door inside the wire compartment.
WIRE SIZE CONVERSION PARTS
The POWER MIG 255C is rated to feed .025 through
.045"
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Wire Speed Control — This controls the wire feed | The drive roll kits and Magnum 250L gun and cable |
parts are available to feed different sizes and types of | |
speed from 50 – 700 inches per minute (1.2 – 17.8 m/min). | electrodes. See Accessories section. |
The control can be preset on the dial to the setting specified |
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on the Procedure Decal on the inside of the wire |
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compartment door. Wire speed is not affected when changes |
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are made in the voltage control. |
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WIRE DRIVE ROLL
The drive rolls installed with the POWER MIG 255C have two grooves one for .035(0.9mm) wire Solid Steel electrode and the other for .045(1.2mm) wire. Drive roll size is stenciled on each side of the drive roll. If feed- ing problems occur, check to make sure that the wire size and the drive roll size matches. See "Procedure for Changing Drive Roll" in this section. This infor-
