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| Re: [GMCnet] How often should the Onan Heads remove and be Decarbonized? [message #189079 is a reply to message #189071] |
Sat, 03 November 2012 14:03   |
John Sharpe
Messages: 489
Registered: February 2006
Location: Texas
Karma: 1
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Senior Member |
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....Onan documentation stating the hourly intervals one should follow in a good maintenance program for removing the heads and then decarbonize?....
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As I recall, the manual calls for decarbon at 200 hour services. It is easy enough to do and if you are careful you can reused the gaskets. I haven't even put 200 hours since I've owned mine, but when I have had a head off it was clean enough to not worry about.
Matt
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In the old days of leaded fuel, carbon was a lot more of a problem on the constant speed generators. With the unleaded fuel, I have never found carbon to be a problem. I have taken heads off of several units and found no significant amount of carbon. Your mileage may vary. I'm not taking any more off unless the genset has a problem keeping up with the load. IMHO the chance of Murphy's Law being applied far exceeds any potential benefit.
John Sharpe
Humble,TX
'78 Eleganza TBI
'89 Spectrum 2000 MPI V-10
'40 Ford Panel Delivery TPI
johnasharpe@gmail.com
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