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7000 fuel shut of knob workng in.

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victoryallis View Drop Down
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Joined: 15 Apr 2010
Location: Ludington mi
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Post Options Post Options   Thanks (0) Thanks(0)   Quote victoryallis Quote  Post ReplyReply Direct Link To This Post Topic: 7000 fuel shut of knob workng in.
    Posted: 22 Apr 2012 at 8:04pm
The fuel shut off knob keeps working back in while in use and starts to "stall" the tractor.  Any idea why this happens and how to fix it.  Found ways to cope with it but would like to fix it.
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Hurst View Drop Down
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Joined: 11 Sep 2009
Location: Midway, Ky
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hurst Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2012 at 8:28pm
Check by the injection pump.  It may just be the geometry of the cable at the pump causing it to be at a more natural position towards the "off" position rather than the "on" position.  It's kind of hard to describe, but basically if the cable is flexing a lot at the pump to hold the "on" position, then the cable will want to spring back to its more natural straight position, which in your case may be towards the "off" position.  I cannot really think of much else right off the top of my head.  I've had the opposite problem on my 7000, where it wouldn't want to cut off when you pushed it back in and that was just due to the adjustment of the cable at the fuel pump.

Hurst
1979 Allis Chalmers 7000
5800 Hours
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2012 at 8:43pm
Loosen the setscrew at the pump lever that retains the wire. Go to the dashboard and pull the knob out about 12 inches. Put a bend or kink in the wire to cause it to drag. Shove the button back in and reconnect at the pump lever.
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MACK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2012 at 9:29pm
Just put a small bend in inner wire just befor it pulles back into housing.   MACK
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