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3688 PTO stays engaged

S

Shane OConnor

New User
Hello all. I have a 3688 with around 7000hrs on it. Today she turned over really hard when I was runnin a bagger. The tractor was warmed up already because we had been using it. I noticed that the PTO would stay running after it was in the off position. If you shut the tractor down, 90% of the time it starts with no problem. The PTO is not engaged. The other 10%, the tractor acts like the PTO is stuck on. If you shut the PTO off with the tractor running, the PTO slows, but won't completely disengage. Any ideas as to what may be wrong and/or how to correct it? Just lookin to see what I'm gettin into before I down a machine.
 
If the external linkage for the PTO is working correctly the problem most likely is the clutch pack is smoked.
 
Yep, Sounds like the clutch pack, But it could also be that the control valve isn"t closing completely or isn"t relieving the pressure. Check the cheep stuff first. Good Luck
 
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