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another problem with the 7050
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bakwoodsfarm View Drop Down
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Joined: 02 Sep 2010
Location: Woodleaf,NC
Points: 511 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bakwoodsfarm Quote  Post ReplyReply Direct Link To This Post Topic: another problem with the 7050
    Posted: 19 Mar 2011 at 7:46pm

If you run her everyday, she will crank very easy. If you let her sit for more than one day, she will fire right up and run for about 60 sec. then shut down, have to prime her back up to get running. I am leaking fuel back to the tank, though I had a bad fuel filter but changed that and still does it.Is there a check valve in the filter holder? I have no visible leaks to the outside anywhere.
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Steve M C/IL View Drop Down
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Joined: 01 Jul 2010
Location: shelbyville IL
Points: 691 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 19 Mar 2011 at 11:51pm
My 220 started that a couple years ago after sitting over winter with #$!%* biodiesel in it.Used to sit all winter and fire right up in the spring.After the "wanna be" diesel you got to prime it after long sitting periods and that's with a full tank of fuel which is ABOVE the pump!
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Dans 7080 View Drop Down
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Joined: 05 Feb 2010
Points: 1146 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dans 7080 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Mar 2011 at 3:01am
I had a 7040 that pretty much did the same thing. I repalced all the O rings in the fuel system. In doing that I noticed a fuel line going to the pump that had a spot rubbing but didnt have a hole, and wasnt leaking fuel. It was sucking just enough air to not let it run. I would check your O rings and fuel lines in the fuel system. I replaced the line and it runs like a top now.
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victoryallis View Drop Down
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Joined: 15 Apr 2010
Location: Ludington mi
Points: 2876 		Post Options Post Options   Thanks (0) Thanks(0)   Quote victoryallis Quote  Post ReplyReply Direct Link To This Post Posted: 20 Mar 2011 at 6:02am
Our 7060 did that replaced the lines even though they looked ok and the problem was gone. We had the same symptoms.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 20 Mar 2011 at 7:25am
There is two check valves in hand primer. One of them may have trash in it. Take the primer off and screw it apart. There will be a check valve then spring then another check valve plus two orings.   MACK
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