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Generator pulsates when its running 12-KW natural gas

Generator pulsates during running and the lights in the house also. Also seems to be oil in the air cleaner area. I' have to shut it down after 10-12 hrs. to check the oil and most of the time add oil. The dip stick is really hard to read also is there a trick to being able to see the oil on the stick a litter eaiser.

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  • Anonymous Dec 14, 2008

    I have the same problem with my dg6000! I was told the float was stuck in my carberator thats why i have gas in my oil?Any help would be appreciated!!!

  • Anonymous Mar 12, 2014

    The starter is bad on my older Dayton generator, model 4LM41. It's a 5 KW standby generator and has always been goo to me so I'd like to keep it going if possible. Does anyone know where to find parts for this, specifically a starter?

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You've described the symptoms of a dirty air cleaner, surging throttle (the pulsating), oil getting sucked up thru the breather into the intake (the why you have to add oil).
When you check/change the air cleaner you should also have a look at the spark plug, the dirty air cleaner forced the engine to burn some oil and that may have left junk on the plug.

To make it easier to read the oil level on a dipstick, try dipping the stick into a little water. When you draw it back out of the water the contrast between the oil covered part of the dipstick and the water covered part will be a little more obvious. Sometimes looking at the backside of the dipstick is better too.

Carl

Posted on Dec 03, 2008

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