Question about Hobart Welding Tools
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Posted on Jan 02, 2017
This sounds like the idle control solenoid has become misadjusted. To check that this is the case, locate the throttle lever and follow it back towards the governor arm until you find the solenoid. Start the generator and switch on the idle control while watching the governor arm where it passes near the solenoid, if the arm snaps back and forth you probably have a bad adjustment. To readjust the solenoid loosen the jam nut on the core of the solenoid just enough that you can turn the core by the square bit on the end. Adjust the core 1/4 turn or so at a time until the governor arm stays in position when the idle control is on, then turn idle control off and make sure that the governor arm goes back to the full throttle position. You may have to fiddle with the adjustment a little until you find the right spot. Tighten the jam nut back down and you're good to go.
Posted on Dec 09, 2008
open inspection door,which also the fine tuner knob is ,there's a 2x4 size circut board that snaps out with little force to remove,this is the voltage regulator board,look for 4700 ohm resisitor burnt into,tv tech can fix or order new board at $227.00 what i paid.
Posted on Feb 04, 2009
SOURCE: wont spark or weld
lets go over the basics 1 do you have it set up ,the wire feader turned up at least to see if it sparks 2 do you have itset up at least to see if the amps are on enough to get a spark? try thoughs and see where you are,then turn those up enough to weld with . (make sure your wearing a good helmut .please you only get one pair of eyes!!!!!!!!! )hope this helps jojogunn.
Posted on Mar 15, 2009
measure ouput on ALL available sockets - anything?
Take cover off electric motor-generator, visually inspect windings.
Measure continuity of all stator windings (2 or 3 points usually)
Measure continuity of stator thru brushset.
If all measures ok - has to be AVR module.
There is no mistery in generator - just stator to induce and rotor to obtain voltage.
Posted on Jan 13, 2010
I have welded countless hours with Linde & Lincoln & even a few Hobarts & the only time that I ever had the same problem was when the ground connection either to the object I was welding, or the welding cable ground wasn't good & clean & tight. Same on stick welders also. I did develop the habit of grinding not only where I was preparing to weld, but where I was placing my ground clamp & that always provided a better "frying bacon" sound as I went along the business of pushing a bead. In a welder, the only other thing than that is involved is the step-up transformer and your wire. Hope this helps.
Posted on Feb 02, 2010
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