Model #580328391 CRAFTSMAN Generator

  • Handle And Wheel Assembly
    3 Results
  • Cradle Assembly
    3 Results
  • Control Panel
    3 Results
  • Stator Assembly
    3 Results
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Question and Answers

Q:

I have a Craftsman 120-240 volt 8000 watt generator model 580328391. It is only putting out 4.6 volts at the 120 volt outlet and 8.8 in the 220 volt outlet.

A:

The power module sends the dc voltage to the brushes to cause the alternator to generate the proper voltage. The residual magnetism in the rotor causes the alternator to put out the 4.6-8.8 volts. The power module converts the ac voltage to dc and sends it to the brushes, causing the alternator to put out 120-240 volts.

The power module is most likely the problem. The system control board (located in the control panel) could also cause this problem. It is unusual for the system control board to fail in this way.

I would replace the power module. I think that will solve the problem.

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Jimmy K -
Sears Technician
November 16, 2009
A:

hello I'm Jamie I have a 7500 Watt craftsman generator. Model. 580327181 and I put it in shed like a dummy while I was using it and it got hot and quite putting out power to outlets. So I did same thing I took off the cover and everything looked fine except the rectifier pat 65795 was melted and I thought Mabye this was the problem cause everything ebiluututlse looked fine.but after reading what expert is telling u cause I checked outlet on the 110 and it put out 4.5 but the power regulator looked fine its not showing any signs of melting or damage so what do I do?

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Jamie -
July 14, 2012
A:

Jamie: I have the very same problem. Have you received any good answers? Please let me know. Norm

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Norman -
August 26, 2012
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Q:

What is the oil fill amount for a Craftsman model 580.328391 8kw generator?

A:

The owners manual shows 56 ounces if you replace the filter and 46 ounces without the filter. If you didn't replace the oil filter you should fill with 46 ounces. If you did replace the oil filter when you start the engine it will pump 10 ounces into the filter.

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Jimmy K -
Sears Technician