John Deere Blade clutch not engaging

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warren_fay@yahoo.com - 17 Jun 2006 03:14 GMT

I have a 10 year old john deere sx38 lawn tractor. Over the last year
intermittantly the blade clutch has become disengaged suddenly while
cutting the lawn. When I try to reengage the blade nothing happens. The
engine keeps running it is just the blade that becomes disengaged. Then
it suddenly start working again. Today it stopped working and I have
not been able to get it to reengage. When I pull the electric button
to engage the blade nothing happens. I don't hear anything.The electric
to the clutch appears to be working ~2amps.

Thanks in advance for any sugestions.

Regards,

Warren

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Shep - 17 Jun 2006 14:18 GMT

Just had the same thing and replaced the pto clutch, 115.00 and about 1
hours work.

>I have a 10 year old john deere sx38 lawn tractor. Over the last year
> intermittantly the blade clutch has become disengaged suddenly while
[quoted text clipped - 10 lines]
>
> Warren

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Scott Buchanan - 18 Jun 2006 05:07 GMT

If yours is anything like mine, there are several switches for safety. One
is under the seat and one on the brake pedal. I think that there are some
relays at work too .Yours may be different. All the switches have to be
closed for electricity to get to the clutch.
All I can say is to trace out the wires and try to understand how it works
and the problem should reveal its self. What ever you do, do not by-pass any
safety devices.

> I have a 10 year old john deere sx38 lawn tractor. Over the last year
> intermittantly the blade clutch has become disengaged suddenly while
[quoted text clipped - 10 lines]
>
> Warren

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ninebal310@aol.com - 18 Jun 2006 11:39 GMT

> I have a 10 year old john deere sx38 lawn tractor. Over the last year
> intermittantly the blade clutch has become disengaged suddenly while
[quoted text clipped - 10 lines]
>
> Warren

Disconnect the wires going to the electric clutch and run 12 volts
direckly to the clutch to see if it operates correctly. If it does,
then it is a safety switch, bad wire, dirty connection somewhere. If
not, then it is the clutch mechanism.

Good luck.

Hank

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