Question about Hobart Welder, Dctig And Flux Cored Wire Feed, Champion 10,000 With Kohler 20 Hp Ohv Engine
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Posted on Jan 02, 2017
A schematic would certainly help, give Hobart a call and ask for a wiring diagram. or manual. Hobart are very helpful and may even give you guidance, you may have to pay the postage, they usually fax these documents so it will not cost you anything.
Posted on Feb 20, 2009
does it have a reset button? if so it has gone bad, if not there is a fuse or something inside. they protect that circuit against shorting at the working end of the gun. happens ALL the time.
Posted on Apr 10, 2009
First, UNPLUG the Welder! There is a small control board (2"x2") that the feed motor plugs into, it has a fuse on it. Here is what you do: Follow the circuit board trace that goes from one side of the fuse though a resistor then to the connector full of wires on the edge of the board, check that resistor for continuity it should read some value besides open. If it is open, this is your problem (as the drive motor ages it draws slightly more current than new, which should blow fuse, but instead blows the resistor). The resistor should be replaced with same resistance value, if problem persists replace again but instead of 1/4amp bump up to a 3/4amp for $1 or replace that drive motor for $150, you choose. Good Luck!
NOTE: As with any circuit board, take precautions to prevent ESD damage to board.
Posted on Apr 22, 2009
check the SCR ,looks like a big transistor mounted
to a heat sink or some of the older units had a relay
in-line with a fuse , I have a older Hobart and it is
a great little welder. If you snap a pic of the P.C.
board and email it ill email@example.com
point out what parts to check.and replace.
Posted on Dec 06, 2009
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