Question about Hobart Handler 140 Mig Welder

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My hobart champ 140 won't idle up during welding or when I put it on manual.

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Hi greg:i dont know if i under stand this problem but ill try.theres only a couple of things that can really go wrong so well try those first ok.1st the ground is bad try moving it to a better spot on the piece to be welded.2ndtry to re adjust the wire flouwer in the machine.or on the machine3rd make sure the wires moving the way you want.ok!i tried hope this helps jojogunn

Posted on Mar 15, 2009

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L bought a hobart 140 two days ago, welded about 10 feet of wire with it .now it only feed wire on three out of the five settings


Check the selector switch with an ohm meter. Unplug the unit, ground to chassis and probe the contacts while turning the switch on and off.

Dec 17, 2012 | Hobart Handler 140 Mig Welder

1 Answer

I have a hobart champion 4500, hard to strike an arc. what should i do?


Ensure your engine is in good running condition
The auto idle switch should function correctly
Remove the front cover of the welding generator, held by 2 1/4-20 screws
Behind that cover you will see a brush lock assembly, will have 2 wires connected at the top, one is insulated, one is not, mark the leads before you remove them to maintain correct polarity on the slip rings, the brush block is held in place by two Phillips screws, remove the screws, unplug the brush block,'remove it, check to see if the brushes move easily in the brush block, this is a common problem with these machines, the brushes tend to bind in the block, will not make proper contact against the slip rings.....
Remove the brushes from the holder, using a square of "scotch Brite" wipe the brushes, you may see a line around the brush, remove that by gentle cleaning, install the brush block, connect the leads, install the cover, go to work

Dec 15, 2011 | Hobart Champ 4500 Welder/Generator Outfit...

1 Answer

Hobart handler 135 wire feeds for about a two feet then stops feed motor runs well under no load


This happens to me all the time. Wear and tear has taken its toll and everything has to be maintained for it to work. Most likely the welding tip is worn and should be replaced. Lincoln electric tips work well and I will replace mine several times during the day. Also check your tension and make sure the wire will uncoil freely from the spool. You can remove the tip and make sure the wire will feed without it. If not, your liner may be worn out. Also a welding Jell will help keep the tip from cloging. It will still happen, but hopefully not on your first weld of the day.

Jan 15, 2011 | Hobart Handler 140 Mig Welder

1 Answer

New Hobart Handler 140, feeds wire properly, but no weld output


Check the two main diodes. These units have a light duty cycle. About 20% if I remember correctly. I have one that I was welding with for a considerable amount of time, and burned up the diodes. You can test them by disconnecting the wires (with unit disconnected) and use a ohm meter. You should get a reading in one direction, but not the other. If no reading, then the diode is blown. You can order new ones from your local welding shop. Also check all conections on the secondary for any signs of overheating and loose connections.

Dec 20, 2010 | Hobart Handler 140 Mig Welder

1 Answer

Currently welding with fluxcore wire in my hobart 140, do I have to buy another mig gun to weld solid wire and using argon/co2 gas mixture?


you need ar/co2 95 5 change contact tip to what ever size wire you r going 2 use .035 .045 whatever

Dec 10, 2010 | Hobart Welding Tools

1 Answer

Weld arc not stable. Wire feeds, good ground,


Arc blow could be the cause! Put your ground on the work piece and weld away from it. If you weld toward a ground clamp the magnetic forces will blow your arc around sometime. When taking a cert this simple mistake can make or break ya on your cap or reinforcement beads.

May 09, 2010 | Hobart Handler 140 Mig Welder

1 Answer

Hobart 140 voltage drop when welding in all setting using 30 wire and uni mix gas will start out welding good then will not ?????


Check your input line voltage. 115 volt Mig welders / plasma cutters need stable voltage / current. Test to see if the voltage drops to below 100 volts when welding. If so, find a more stable power supply.

Mar 05, 2010 | Hobart Welders 500505 Handler 140 MIG &...

2 Answers

My Hobart Handler 120 needs a .045 wire drive wheel. Where can one be purchased?


Locate your locale Hobart welding distributer, or contact hobart, the are nice people and will give you all the avice you need.

Dec 26, 2009 | Hobart Handler 140 Mig Welder

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