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  #1  
Old 10-05-2014, 09:16 PM
TxFordGuy TxFordGuy is offline
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Default mower PTO clutch

Anyone have any expirence with PTO clutches. My mower is driving me nuts. Little history
2 monthes ago blades died. Found melted harness and relay
Replaced both
All was good till about 2 weeks ago. Blades died. Found melted fusable link at starter for same circuit. Relay smelled a little cooked again to
Replace fusable link and relay

No dice. Usually with engine off I can engage blades and hear the clutch engage. If I engage, I just get smoking hot wires.unplug clutch and engage. No hot wires. To me that isloate no ground shorts and problem is at clutch

Pull clutch off. Bearing seems fine. Rotates with no noise. Clutch ohms out within tolerance. What else internally in the clutch would be cause the high amp draw?
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Old 10-06-2014, 04:55 PM
Clay Clay is offline
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What kind of machine are you talking about here? Is it a magnetic clutch?
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Old 10-06-2014, 07:06 PM
TxFordGuy TxFordGuy is offline
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Sorry, left out the fine details. John Deere Z-trak 737. 23 HP Kawasaki Motor.
Yes, Electric Clutch

im no magnet expert but figure if the ohms were right, the magnet would be good. Bearing seems to be fine. unless there is a mechanical obstruction keep it from doing something.....
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Old 10-06-2014, 09:44 PM
bbboomer bbboomer is offline
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If it isn't shorted somewhere between the switch and the clutch it sounds like the clutch is internally shorted to ground.
When you ohm check are you testing each lead to ground like the clutch hub?
If that doesn't show anything I would replace the clutch.
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  #5  
Old 10-07-2014, 12:50 AM
TxFordGuy TxFordGuy is offline
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ohming across connector terminals and each side of lead to clutch case. all test good.......ordered new clutch today from extreme clutches. will see how she goes once it comes in
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