Question about Hobart Welders Champion 500433A Factory Reconditioned 10,000 Watt Generator

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Won't idle down between welding

I think I need a new idle module, but can't find one easily for this older unit.The part # is 49340004

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Your large Hobart dealers and service centers are familiar with the ITW (Illinois Tool Works) family which Hobart is a part of. Another Hobart or Miller part purchasing option includes Matheson Tri-Gas in over 50 cities across the USA and Matheson is also on 5 continents around the world.

Posted on May 28, 2012

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Have you went to your local welding store? Praxair or airgas can call Hobart for the part you request,or they will call their Hobart salesman for you.

Posted on May 25, 2009

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My miller blue star 185 wont idle up when you start welding


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I have a miller trailblazer 301g. It worked fine yesterday and now only the 120/240 volt outlets will work. No weld output and also the idle will not kick down. when I opened the unit the only visable...


Hi:

Probably your machines just overloaded; the engine will run and produce voltage but no weld output.
Check your fuses F1 and F2, if they are open replace them.
Both fuses are located at left hand side of machine, open it and you will find them on the bracket.

Good Luck.

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Hi there,
This sounds like your idle control module has gone bad. Since the machine will rev up to weld speed if you turn the switch to high it can't be that the solenoid has gone bad. Some models of engine driven welders from Miller use a little module, others have the idle circuit built into the control board, can't tell which yours is without a model number. This problem could also indicate a broken current transformer since letting the unit heat up makes things better. I'd use an ohm meter to check the resistance of the CT while it was cold to see if it goes from open circuit to just a few Kohms of resistance when it gets "room temp".

Rank me if this helps,
Carl

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