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Onan MCCK won't run

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AlumiJim		#1 Posted : Monday, August 31, 2009 10:06:00 PM(UTC)
Rank: Dedicated Tin Star Groups: Member Joined: 6/22/2008(UTC) Posts: 83 Points: 252		My Onan MCCK has been pretty reliable, although usually pretty hard starting. I've written for parts advice before, but now it won't keep running at all. I can start it with a spritz of starter fluid, then it dies like it's out of gas. There's a throttle arm that I can watch move and it chokes the engine off. There is an adjustment screw on the connection from the arm to the carb, but the screw looks like it would move the arm in the direction that would just make it worse. I'm no mechanic, just a "bolt on the new part" kind of guy, so I'd like some advice... JIM Alexandria, VA 1989 32' Sedan 'Gammelby' Friendship, MD
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Please Register : To weed out spammers, new members may not post until approved. An email is usually sent after approval. This forum is for Marinette Owners and other aluminum boat boaters who wish to share boating information. Aluminum Roamer owners are also welcome. (Do not post content you do not have the right to post and mass (robots) posters are unwelcome. We also have a marine electronics page and lots of Chrysler Engine info. State by what permission you copy content and give credit properly.) The site is now fixed with some more Chrysler information. We have space for pictures on the new location. Use shinkpic to autochange size http://www.onthegosoft.com/sp_download.htm Great Sites - http://www.marinette.com Marinette Company http://web.me.com/dougmrose/Doug_Roses_Website/Welcome.html http://fastjeff.tripod.com/ Repair Tricks and Techniques for Marinettes http://www.greatlakesmarinetteclub.com/ PLEASE post in the appropriate folder. Please, do not post your actual email address in publicly readable websites. The first rule is be a class act.
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fastjeff		#2 Posted : Monday, August 31, 2009 10:57:59 PM(UTC)
Rank: Administration Medals: Groups: Admin2, Admin2, Admin, Administration, Member Joined: 12/5/2007(UTC) Posts: 3,133 Points: 5,732 Was thanked: 34 time(s) in 30 post(s)		I'll give you some really good advise, and free! Don't mess with any of those adjustments. (It ran before with them, right?) Your problem is gas feed. Start by pulling and cleaning the anti-sphon valve at the tank--it's part of the fitting. The ball in it should be free to move. I'll bet yours is stuck fast. Jeff "...reality is not nearly as lovely as the world of Liberal Land. No wonder so many people want to go there." - Tom Sowell
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pfhlaw		#3 Posted : Tuesday, September 01, 2009 6:29:58 AM(UTC)
Rank: Marinette Royal Aluminum Poster (300+) posts Groups: Member Joined: 12/10/2007(UTC) Posts: 538 Points: 1,353 Thanks: 2 times Was thanked: 8 time(s) in 8 post(s)		Jim: If you want the Onan MCCK Owners Manual, Parts List or Service Manual send me a PM with your email address and I'll send them to you. Peter 1981 32' sedan bridge twin Chrysler 360 cu. in. 250 hp engines Raw water cooled Nimbus II Home port: New Buffalo, MI
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