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Anonymous Posted on Apr 17, 2013

Black Max Generator 8750 engine won't run without air filter open?

5 Related Answers

mamicheddy

mamicheddy

  • 79 Answers
  • Posted on May 20, 2009

SOURCE: Engine cant run with air filter fitted, I have cleaned it .but the problem remains the same

This means that you are over fueling. There is more fuel going to the carberator than air. By removing the air filter you are allowing more air flow into the carberator, which is allowing the engine to run right. Natural gas and propane generator must have no more than 11 inches of water column. Gasoline engines should have no more than 3.5 psi out of the electric pump. If gasoline is gravity fed, then this means that you need to rebuild the carberator or purchase a new carberator, but try to adjust the flow valve on the bowl of carberator first.

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mamicheddy

mamicheddy

  • 79 Answers
  • Posted on May 20, 2009

SOURCE: Does not generate electric power at 110V or 220V.

To flash fields the genset has to have rings and brushes. The ring towards the bearing or towards you is positive and the back ring is negative. The rings and brushes are on the rotor, which is the part that spins on the generator end. Place a volt meter on the outlet, start the genset, with a 12V battery apply the positive to the front ring and the negative to the back ring. The voltage should climb up to about 50 - 100Volts or more. If this happens then you will need a Voltage regulator. If voltage does not climb up, then check the rings and brushes. Make sure the brushes have a good length and that they touch the rings and make sure the rings have a shiny copper color to them, if they're black clean them with emory cloth until there is a nice copper color and try flashing the gen again. If nothing happens then you need a new generator end or new generator, which ever you prefer. Make sure to use rubber gloves when flashing and look out for rotating parts.

Anonymous

  • 7 Answers
  • Posted on Oct 15, 2009

SOURCE: coleman powermate 5000 watt generator leaking oil

CHECK OIL LEVEL. MAY HAVE TOO MUCH OIL IN CASE.

Anonymous

  • 211 Answers
  • Posted on Dec 16, 2009

SOURCE: The generator makes a very loud noise from the generator side.

hi

check the bearings,the piston and piston rings,the connecting rod

regards savumihai71

Alvaro Hernandez Romero

  • 11 Answers
  • Posted on Jan 28, 2010

SOURCE: Black Max 6250 generator worked good for 10 hrs

Hi there:
Remove the back cover and look for damaged brushes or electronic parts, I'm assuming you have some electric-mechanical skills. otherwise you better take it to a service shop

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