| Re: [GMCnet] spark aresters [message #327466 is a reply to message #327452] |
Sun, 24 December 2017 20:02  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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I don't disagree that water, or other liquids could clean some carbon off pistons in a car, or truck engine. Personally before I did anything by pouring liquids in. I'd first put an inspection camera in the spark plug hole to assess the situation. If so inclined. Do the dump of whatever. Then pull a few plugs to evaluate what happened. With generators. I've seen carbon build up that you could measure with a ruler. Many times it's in piles between the valves. I wouldn't like to think were those could end up. My inspection camera is a very important tool in my tool box. Bob Dunahugh 78 Royale Iowa
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From: Bob Dunahugh
Sent: Sunday, December 24, 2017 11:37 AM
To: gmclist@list.gmcnet.org
Subject: RE: spark aresters
Engines that run at a very constant rpms have carbon build up issues. This is due to their never changing combustion chamber turbulence patterns. Engines that have ever changing rpm ranges don't develop these issues. This is the reason that our Onans require having the heads pulled off for carbon deposit removal. It's required after so many hours of operation. I don't remember that number of hours right now. So to keep your Onan operating properly. It's a very simple task to do. Anyone can do it. And I mean anyone. Bob Dunahugh Member GMCMI
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