Question about Welding Tools
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Posted on Jan 02, 2017
First make sure the nozzle tip is free of any debris and the wire will slide easily. Lift the case and go to the wire feed unit. Loosen the pressure nob then lift up to release the pressure wheel. Make sure the bottom wheel ( should have two grooves, one for .35 wire and the other for 025 wire.) Make sure the Wire Feed Tip is also free and it allows the wire to pass through. Pass the wire through the feeder across the drive wheel and into the hose. Allow the pressure wheel to drop, then lift the pressure know to the upright position. Turn clockwise to put tension on the wheel. Make sure the gas is OFF, turn power on, depress trigger switch. This should allow the wheel to turn and feed the wire.
Posted on Jan 17, 2011
SOURCE: Hello, I have a Hobart
Sound like you have a bad trigger on the gun. Does gas spray when you pull the trigger? Check the wire plug that goes from the pistol to the unit. It should be under the liner hose where it connects to the machine. Then use a voltage meter on the wires going to the drive feed motor, and see if you get current when you pull the trigger. If gas doesn't spray neither, sounds like you got a bad trigger switch
Posted on Jul 31, 2011
If the feed wheel mechanism does not move, check for voltage at the motor. If there is none present, you need to look for a failure on the control board, which may be a fuse, or even one of the SCR's. Often an 8 amp 200 volt type.
Posted on Dec 29, 2011
If the wire is melting off in front of the feed rollers . Then the torch power cable is probably open circuit , inspect the cable as it leaves the front of the unit, it usually gets damaged there.
Posted on May 14, 2014
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