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F3 question ?
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Shawn PA View Drop Down
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Joined: 20 Sep 2009
Location: Hickory PA
Points: 164 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Shawn PA Quote  Post ReplyReply Direct Link To This Post Topic: F3 question ?
    Posted: 02 Nov 2017 at 11:28am
I have a F3 and I've tried to get the corn head to slow down a lil bit and it won't. I have the veriable speed pulley. It hooks up to the reel speed hydraulic line. The valve works you can hear the engine labor a little bit. I have no hydraulic flow to that line ? Is there maybe something stuck in the valve ? Thank you !
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2387 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2017 at 1:26pm
The only time that oil is pressurized in the hose is when you are trying to speed it up. The spring loaded canister on the threasher countershaft is what pushes the sheaves to allow the oil to return to the tank when you are trying to slow it down. Could be sticking sheaves or maybe a bad coupler where the hose hooks up. Also could be electrical.
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Shawn PA View Drop Down
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Joined: 20 Sep 2009
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Points: 164 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Shawn PA Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2017 at 1:59pm
I don't think it's electrical. You can hear it working. The hose has a male end on it. I can push the little tit down and no oil comes out. Even when I press the electric over hydraulic switch. It very well might be froze up too. Cause the pulley won't move either way.
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2387 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2017 at 8:02pm
You could unscrew the female coupler end off of the pulley and then run the machine. It should slow down then. A small amount of oil will be lost doing this. If it won't slow down,then the sheaves are sticking.
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MACK View Drop Down
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Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 02 Nov 2017 at 10:27pm
Are you sure it is speed up? Pulley at bottom should be spree apart if it is speed up.       MACK
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