On a friends boat changing oil this fall we had the generator running to warm it up. There was no load on it and after about 5 min it went "pop" and I saw a flash and smelled the dreaded burnt electrical smell. He ran up to shut it down and noticed the volt meter pegged out as high as it would go. We opened the control box and could see no evidence of scorching or burnt boards or wires. We pulled the cover off of the generator end and tested the diodes and whatever else was there per the manual and all tested okay.
Any ideas? Since it puts out voltage do you think it may just be a regulator board or is it more serious? Who works on these? Do we need to find an electrician that understands generators or just pull the gen end and get it to a good motor shop?
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Thread: 22KW Kilopak problem
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22KW Kilopak problem
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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Re: 22KW Kilopak problem
Sky, have you called the manufacturer? I know these are built up of bought-in components, but it might be worth a try.
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Re: 22KW Kilopak problem
I had two seperate instances similar to that, one was an Onan 20kw, the VR went south , no real apparent scorching but lots of smoke,
the second was a Norpro that the stator had a part on blow, smoke and smell but again no real apparent scorched wires
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Re: 22KW Kilopak problem
I'm thinking its the voltage regulator. If they are not too expensive, he may just buy one and see if that takes care of it. His other generator is a 1978 Onan 20kw. That one is coming out this winter and a new Norpro 12.5 is replacing it so he is in no real hurry to fix the Kilopak.
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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Re: 22KW Kilopak problem
Pretty sure the Kilopak gen sets used off the shelf components.
CRICKET
1966 HAT50C101
Purchased 1985 12v71Ns
Repowered 1989 with 8v92TI
Repowered 2001 with 3406E
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Re: 22KW Kilopak problem
There is a way to test the VR on Onans and the same may work for others, worth a try, it should be int he Onan manual or download from the net, needs 12 v dc and a tester.
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Re: 22KW Kilopak problem
A new VR board is only $20. We're going to start there but can't start it until the ice thaws.
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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02-01-2018 02:51 PM #10