Posted by BarnyardEngineering on August 31, 2023 at 05:19:34 from (161.69.57.47):
In Reply to: update on 544 hydro PTO posted by philcaseinWPA on August 30, 2023 at 13:16:28:
What do you mean by "would not disengage?"
The "actuator" is called a "spool" because it's a hydraulic spool valve that sends pressurized hydraulic oil to a piston, which then compresses the clutch plates in the PTO to make the shaft turn.
Is the spool stuck in the up position? If yes, that's why it won't shut off. You need to get the spool to go back down to shut the PTO off. Have you gently tapped on the spool to try and get it to go back down?
OR
Does the spool drop down, yet the PTO shaft continues to turn? If that is the case, warped clutches and the PTO unit needs to come out.
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