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Need a product manual for Schumacher 90 amp wire feed welder, model #90775

Specifically looking for duty cycles and correct tension setting for the self-adjusting wire speed. When do I need to increase/decrease tension?

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: electrical problem with mig welder

Call Lincoln Electric (the manufacturer) at 216-481-8100 and ask them to email you one.

please rate my answer,

Posted on Dec 03, 2008

  • 92 Answers

SOURCE: need wiring schematic for miller 140 wire feed welder

No problem,email, write or phone for this information, Miller personel are very obliging as are most Welding manufacturers.

Posted on Jan 23, 2009

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SOURCE: my welders wire speed control will not slow down

Speed control potentiometer is good place to look.
Put meter leads on it, set to ohms position and see if there is a variation in ohm values when rotating knob. If not it is bad. Take it out and spray it with panther ****, sorry, cleaning lubricate and see if that will fix it before buying new one.

Posted on Aug 24, 2009

  • 92 Answers

SOURCE: I have an hobart welder-handler 150, when the

why would you need to go to the lowest setting?. anyway look at the feed rollers, make sure they are the correct size for the wire, secondly check the clutch mechanism on the wire mounting centre post this might be too tight, thirdly check the linner this could be crimped.
If the set works ok on number 2 it should be ok on 1, perform the set up again, ensure the rollers are not tightend down on the wire.
lets now if the problem clears,

Posted on Oct 09, 2009

  • 4088 Answers

SOURCE: need an operating manual for the century 80

Do a web search for and look for the manual for this model.

Posted on Oct 13, 2009

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2 Answers

I was welding and it quit feeding the wire now I don't hear relay clicker nothing when I pull the triggerwhat could be wrong

first thing to check is the over load reset button as all welders have a duty cycle for welding if that period is exceeded , the machine shuts down until it is cooled down
the duty cycle is the time of welding allowed in relation to the amps required to weld
for example with a 200 amp welder set at 200 amps with a 20% duty cycle for every 20 minutes of welding you have to allow 80 minutes to cool down
if however you have a 200 amp welder with a 20%duty cycle but it is welding at 20 amps then the duty cycle is extended dramatically other than that check for a fuse or take it in for a service

Dec 15, 2015 | Welding Tools

1 Answer

Suggested setting for rossi mt 200 welder

read you hand book on the settings but it all depends on material thickness being welded
higher volts = higher amps will require faster feed speeds = thicker materials
sheet metal thickness (.040"-1mm) will require very low volts -up to 20 v with a slower feed speed
remember the unit will have a very short duty cycle and that means that you cannot start a weld and keep it going for many minutes especially at high amps
it works like this ,if it is a 20% duty cycle ( on the plate of the machine then for every 20 seconds of power ( high amps) the machine has to rest for 80 seconds
if you are welding panel metal the ( very low amps) then you can weld for longer periods but the rest period has to be 4 times the weld period

Jul 04, 2015 | Welding Tools

2 Answers

My Millermatic 230v wire feed welder shut off during use and will not turn back on ?

if you use the welder for too long at high amps it will go into over heat mode and shut down
you may have to reset the overload control ( how to do is in the user manual)
mig welders need a cooling of period during use and it is stated in the duty cycle specifics for the machine
contact the service shop for exact details

Apr 27, 2015 | Welding Tools

2 Answers

Why does my cmapells haussfield welder not feed the wire correctly (it stops feeding in mid weld then picks back up) and just stop feeding completely after 10 min of welding?

Check the "duty cycle" for your unit. If you try to run it too hot for too long, it will shut itself off to prevent overheating.

Mar 06, 2015 | Welding Tools

1 Answer

230 volt welder

Breaker must be 50A and the size wire should be a 8/3.

Feb 23, 2014 | Welding Tools

1 Answer

My welder suddenly stopped feeding wire and gas when i push the trigger. i'm assuming that either there is a problem with the trigger signal or the duty cycle was exceeded. If the duty cycle was...

Hi there,
I found a manual that has a lot of information in it.These welders only have a duty cycle of 30% so that means you can only run them 3 minutes out of 10.They have thermo switches that shut them down before they get to hot.The house breaker needs to be around 50 amps at least I have a 125 buzz box and a wire feed and that's what I use.I would check the circuit breaker in the house to see if its tripped.I turn my mig on the side so that the shavings from the wire pushing wheels don't get pushed into the liner and clog the wire and make it jam.Well hope this helps.Thank You for choosing and good luck!

May 15, 2011 | Hobart Handler 210 Wire Feed MIG Welder

1 Answer

I will make about 12 3" passes over 3" square

Nothing's wrong with your gun or machine. Your unit has a duty cycle of 20 percent at 90 amps, meaning that it will work (weld) great for 2 straight minutes and then it needs to cool down for 8 minutes. The duty cycle it is measure in 10 minutes lapses.
All you need to do is to let it cool down, and start again. That's all.

Jan 19, 2011 | Hobart Handler 140 Mig Welder

2 Answers

I have a century powermate 70 mig welder and using .30 fluxcore wire. the machine says that it is gasless also. the machine will not weld right. is this the right wire or what could be wrong?

Check that your ground clamp connection to the weldment is secure (tight).
you can weld with the shielding gas, or without.
by not welding right, what exactly do you mean?

Jun 29, 2010 | Welding Tools

2 Answers

I have a Campbell Hausfeld MIG Welder 80, The wire will not feed,

Here's a link to the Campbell Hausfeld web page. Look under "Service Center" for "Find a Part." I hope this has what you need.

Feb 22, 2009 | Campbell Hausfeld RBWG202000 NA 70 Amp....

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