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John deere lx188 cutting deck will not engage dont know if both wires to the drive pully should be positively charged .If it is the pully how do i remove it?

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With it plugged in to the feed wire coming from the frame, key on, engine off, PTO switch on, you should have power at both wires. With it unplugged, at the wire coming from the frame, one should be 12 volt the other should be ground (no voltage) plugging it in makes the circuit so it would be hot at both wires making a "circle" of electricity through the clutch.
If you have to remove it, you remove the whole thing (clutch, pulley, etc) as an assembly. First remove the belt then take out the bolt that goes through the center of the pulley into the crankshaft of the engine and you should be able to slide it down off the shaft but be careful, it is heavy. You may want to remove the deck to give yourself some working room.
Hope this helps you!

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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F525. Updated mower switch by John Deere is not engaging mower


The John Deere F525, a front cutting machine, has 3 fuses.
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Check the 15 amp fuse. I believe this supports the PTO clutch. If you replace the fuse and it blows again, check the electric clutch. You will likely find burnt or melted wires. The bearings do go out on these clutches causing them to run hot and eventually burn up.

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http://www.messicks.com/Articles/FixingElectricClutch.aspx

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