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Coleman Powermate 1000 Starts fine then revs up and dies

I have a model # PM301010 Coleman Powermate that will start up then after a minute of idling it will rev up then idle down. As it tries to rev up a second time, it dies. This happens with or without a load.
When the covers are off and watching the side of the carburetor you can see the throttle stop move far open (as it revs up) then close as it idles back down, then when it dies you can see the carb open back up again. Upon startup it will rev high then immediately die.
Once, when it was about to rev the throttle stop was held in place and it continued to idle fine.

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Hi, I just pulled out my Coleman Generator (1000) and it actually started then died. Has been sitting for about 10 months. I ran it out of fuel before putting away. Anyways, it starts for a minute than dies. If I press fuel primer it keeps running but than it dies. So, I took the cover off, the one towards exhaust side and was able to see carburetor. There are two screws with springs on them. I guess these screws control fuel and air for carburetor(you can clearly see they are on carb). As stated above there are not many adjustments. There is no choke for the model I have; just an on and off switch and fuel prime button. The instructions say fuel it up (with the right oil/petrol mix of coarse), switch it to "on", prime it, pull starter cord and then that's it......"not happening". Okay, so I took my little flat head screwdriver and backed out each screw while counting how many times I turned, until I was able to remove completely(PLEASE remove one at a time and take note which one went where AND how many times you backed out). Take a can of carb cleaner with the straw and shoot through the holes where the screws came out of. I shot carb cleaner a couple pumps in each hole. Examine each of screws removed as these have pointed ends(replace if damaged). Put screws back; again make sure you count how many turns. This worked for me. Idles perfect. Thanks!

Posted on Oct 24, 2015

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: generator fuel-oil mixture

My manual for my Powermate 1000 says 18:1 fuel mixture.

Posted on Sep 13, 2008

CarlGehrke
  • 169 Answers

SOURCE: Idle fluctuates up and down

This sounds like a carb problem. While there are not adjustments on the carburetor other than the idle stop screw, you can still disassemble the carb and clean it out. For what it's worth the flapper thing at the engine side of the carb is the throttle, that other flappy thing at the air cleaner side of the carb is the choke. :-)
Modern day small gas engines like this have really small holes in the carb compared to the good old days. You should carefully look in the fuel tank for any junk and dirt that may have sneaked in there (blow it out with air), also look at the fuel line and if it's not soft and nice replace it. Lastly be sure to poke a thin wire thru all of the holes in the carb when you're cleaning it, dirt hides everywhere.

Rate me please,
Carl

Posted on Dec 03, 2008

  • 2 Answers

SOURCE: Automatic Engine Idle Control

RPM of the motor and the voltage hertz output of the alternator are directly connected. In this case the motor speed must be set on correct alternator output and locked on that speed. (Star & run on the spicific speed). Normally it would be 1 800 RPM = 110 volts = 60Hz, OR there are in some cases that RPM will be doubled that. It all depends on the make of the unit.

Posted on Feb 11, 2009

  • 36 Answers

SOURCE: generac 4000XL. engine dies when idle control switch is thrown.

there is some problem in your AMF/ATS pannel

Posted on Sep 22, 2009

protek480
  • 1714 Answers

SOURCE: The generator starts up then dies?

Check the oil pressure switch. It will shout you down like that if it doesn't sense oil pressure.

Posted on Oct 01, 2009

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Please rank my solution,
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