Question about Coleman Powermate Premium Plus 6250W Portable Generator

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I have a Powermate Blackmax 5250 portable generator. Where should the choke be for best operation during starting, and running?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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CarlGehrke
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SOURCE: powermate pm0545005 generator engine runs but no power out

Hi,
I posted a general "how to" about troubleshooting Powermates here.

Don't forget to rate answers you like,
Carl

Posted on Dec 05, 2008

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CarlGehrke
  • 169 Answers

SOURCE: Coleman Powermate 6250 only runs with choke closed/air restricted

Hi folks,

You're both right to think that these engines were not intended to work at extreme low temps and that's a factor here.
The dry black soot on the plugs is probably just oil getting into the intake thru the breather, maybe check the air cleaner.
On some of the generators I've worked on there was a small plate in the air cleaner cover that slightly restricted air flow into the carb for low temp operation. Both of you might want to try getting a cardboard box quite a bit larger than the generator, cut a couple of holes in it to let exhaust out, and put it over the generator so that the air going into the intake gets heated a little bit by the engine. You'll want to monitor the generator pretty closely so I wouldn't recommend this overnight. You both should also be extra careful about the right amount of oil in the sump and changing it more often than usual.

My thoughts are with you folks,
Carl

Posted on Dec 15, 2008

knotbeerdan
  • 413 Answers

SOURCE: No electric power generated from my Coleman Powermate Maxa 5000W.

the gensets on coleman generators are definately nothing to brag about but i would start by checking the windings and make sure the brushes have a clean armature to ride on

Posted on Dec 19, 2008

protek480
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SOURCE: My coleman powermate generator will start but will not generate.

The voltage regulator controls the output. You will need to check that first.

Posted on Aug 01, 2009

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SOURCE: plug wiring diagram for 240v outlet 7000w blackmax

Probably its similar to the wiring on page 31 of this manual (pdf page 28) of this manual, reference NGK-7000HE: http://www.electricgeneratorsdirect.com/manuals/NGK%20Generator%20Honda%20engine.pdf

Posted on Mar 14, 2010

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Power mate 6250. Starts and runs fine until I take the choke off, then why does it die?


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Full choke to start, open choke partially immediately the engine starts to where the motor runs smoothly, continue opening as soon as you can while keeping the engine running smoothly. Be sure to open fully before leaving the unit, running it with the choke partially on can cause a rich fuel condition which tends to wash the oil off the cylinder walls and it also dilutes the oil with gasoline.

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Coleman Powermate 6250 generator only runs with Choke on? pull


Cbronson
how old was the fuel in the tank and carb bowl? This could have built up varnish and make the float heavier
Another issue that my customers bring in are 4 stroke generators that have 2 stroke fuel put in tank.

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