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#1
06-30-2018, 05:01 PM
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1641 PTO cuts off
I was mowing some 8 inch high grass around the garden this afternoon. About 15 minutes in the pto cut off and wouldn't come back on. I drove it to the house and checked the charging system, got about 15 volts at the regulator and battery. By that time the clutch would come back on, still got 14 something volts with the pto running the deck. I let it all cool off and went back to the garden and finished the mowing. It did cut off again at the end but came back on after a few minutes. What other checks do I need to make before I declare the PTO bad? Is this common behavior for a failing clutch? I have a manual, guess I could see what it says.
Cannon 
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#2
06-30-2018, 05:10 PM
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Sounds like the PTO is on it's way out. I would still double check the switch for continuity while flipping switch on and off and making sure connections are tight and are controlled corroded. You may want to check safety switches as well. These are quick, free, things to check before spending money.
__________________
Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641
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#3
06-30-2018, 05:23 PM
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__________________
Roland Bedell CC Models: 100, 105, 1450, 782, (2) 784, & 2072 Buy: Made in the USA 
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#4
07-01-2018, 09:23 AM
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I took it ( Warner CMSS-175 5218-29) off the tractor this morning. Looks like it's not adjustable. I checked the ohms, it starts off at 0 and slowly rises to 2.7. The connector has some loose strands I need to fix. The bearings turn ok. I'll clean it up some, fix the connectors, maybe repack the bearings and see what happens.
Cannon
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#5
07-01-2018, 10:15 AM
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I cleaned 2 of the pieces up with some old gas but decided not to wet the part with the winding. There is a place about the size of a pencil at 12 o'clock where the wire is exposed. I checked the Xtreme replacement for this clutch and for a 1641 and they are different numbers so this is probably not the original clutch.
Cannon
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#6
07-01-2018, 11:39 AM
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Yep looks like someone replaced that clutch with the later style. If it was my tractor this is what I would use.
https://xtremeope.com/p/pto-clutch-f...-2165-tractor/
__________________
2264 with 54 GT deck 1641 AKA Black Jack with a 402-E Haban Sickle bar mower JD317 dump truck BX2670 with FEL
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#7
07-01-2018, 04:08 PM
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Today after Church, Lunch and a Recliner nap I Cut the connectors with loose wires off and replaced them.
Mixed some JB Weld and patched the hole in the insulation on the windings. Took the bearing shield/seal off the exposed side and repacked one side of them. Put the PTO back on the tractor and ran the blades for a few minutes. If it cuts off after 15 minutes next time I mow with it I'll consider it bad and replace it. Thanks Cannon
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#8
07-02-2018, 03:05 PM
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Ill trade you, my pto wont disengage
__________________
Jeff 62 O, 1641, 1864, 1862, 1535, LT1045 #4 cart
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#9
07-10-2018, 05:05 PM
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I tried to mow around the garden with the 1641 today. This is the first time I have used it since I had the PTO apart. It ran about 15 minutes and cut off. I decided to pick what bug eaten stuff I had in the garden and mow some more. The pto would never cut on again. I drove it to the house, tried it and got nothing. While I had it running I took the connector apart and used a test light to see if power was going to it and it was not. I'll see if the switch is bad or it has some safety snafu.
Cannon
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#10
07-15-2018, 10:45 AM
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This morning I printed out a wiring diagram and started trying to find the problem with my PTO. I checked for power on the connector and there was none. I took the connector apart, inserted the ground, started the tractor, lowered the deck, plugged in a wire from battery positive and the PTO came on. I know that's dangerous but now I know the PTO will work. I checked the diagram and saw that the Red/White wire on the key switch feeds the PTO. It took me a few minutes to figure out that there was a wiring change but there is switched power on that wire. I moved to the PTO switch and found what I think is the problem. Only one wire was connected, the terminals are all bent around and close to the switch is what looks like another key switch connector. I blame myself for not straightening out this mess before now, I've known it was hacked up since I got it in 2014.
Cannon
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