MF135 PTO problem

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MF135 PTO problem

steve tucker hey all,thanks for previous info but have new problem.pto will not move to rear position(engine speed position,nuetral and ground speed are fine.also if i shut engine down with implement raised 3point drops like a rock!are these possibly related problems?thanks again, Steve
Big Dean The lift leaking off is caused by a leak in the hydraulic sysrem someplace it could be lift cylinder cracked or the O-ring that goes between the cylinder and the lift cover. The O-rings on the standpipe The pump control valve. The system relief valve.


1. The first thing to check is the standpipe O-rings. You do that by removing the transfer cap. and the standpipe it has a O-ring on each end. If the O-rings are both there then that is not your problem replace the standpipe and transfer cap. be sure you get the standpipe back in the hole in the pump where it goes.

2. Drain the oil down to just below the bottom bolt hole for the access plate. Remove the access plate on the right side of the rear center housing it is the plate with the response lever and the dipstick in it. Try to lift something with the lift and look inside to see if you have oil running down from the top. If you do have you have a lift cylinder problem. if not that

3. Look around the right rear corner of the pump for heavy turbulence. If heavy turbulence
there then you have a relief valve bad. If not that.

4. It is probably the pump control valve or something else in the pump bad. The pump has to be removed to check it.

5. The steps 2, 3 & 4 to make repairs to those items the liftcover has to be removed to make the repairs. Before lifting of the liftcove contact me so I can send you the picture for removing the lift cover there is a roller that has to be removed before you lift off the liftcover.

On your pto not going in to engine speed is it grinding when you try to engage it into engine speed or it just want move into engine speed?

steve tucker on further inspection i found the pump filter housing had come off and was jammed in the pto innards!

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