massey 575 pto clutch

[Fraserb]

Has anyone any experience of changing the PTO clutch in s Massey 575, how big a job is it?

 

[multi power]

Has anyone any experience of changing the PTO clutch in s Massey 575, how big a job is it?

Is it independent or has it a dual clutch? Almost all are independent. What's the problem with it? Could be the pump.

 

[manhill]

Did a 590 dual clutch single handed. Bought a centraliser for lining up the plates. Bottle jack to hold up the cab and gearbox, trolley jack for the engine. level floor helps. Just done a 3080 clutch change and laid a metal sheet on the floor to aid the trolley jack rolling. Neither job is anything to be scared of.

 

[Fraserb]

Is it independent or has it a dual clutch? Almost all are independent. What's the problem with it? Could be the pump.

Independent, its a friends tractor, he says if you start the tractor up even with pto disengaged it will turn the shaft slowly but with no power, eg if the haybob was on would spin it when lifted but if you dropped it so there was any load it would stop, then when you engage the pto its only slightly better but actually seems to improve when warmed up.

 

[multi power]

Independent, its a friends tractor, he says if you start the tractor up even with pto disengaged it will turn the shaft slowly but with no power, eg if the haybob was on would spin it when lifted but if you dropped it so there was any load it would stop, then when you engage the pto its only slightly better but actually seems to improve when warmed up.

It's turning all the time due to the brake not working. Most of them do that but I don't think it would be normal for the brake to be so bad that a hay bob would turn. I'm wondering if it might be lack of oil pressure? Need to split it I think do change aux pump. Has it multi power ? does that work ?

 

[fredf]

It is the PTO brake that is worn if the PTO still works the haybob. It takes more hydraulic pressure too work the brake than work the PTO.

Tom

Independent, its a friends tractor, he says if you start the tractor up even with pto disengaged it will turn the shaft slowly but with no power, eg if the haybob was on would spin it when lifted but if you dropped it so there was any load it would stop, then when you engage the pto its only slightly better but actually seems to improve when warmed up.

 

[Fraserb]

It's turning all the time due to the brake not working. Most of them do that but I don't think it would be normal for the brake to be so bad that a hay bob would turn. I'm wondering if it might be lack of oil pressure? Need to split it I think do change aux pump. Has it multi power ? does that work ?

Will have to find out about the multi power, if it was a lack of pressure would it not get worse when warm?

 

[multi power]

Will have to find out about the multi power, if it was a lack of pressure would it not get worse when warm?

Not sure. There is test ports to test pressure but I'm not sure where
@MF-ANDY

 

[Fraserb]

Not sure. There is test ports to test pressure but I'm not sure where
@MF-ANDY

Just txt him and its not got multi power

 

[fredf]

Yes (Does not seem to be an answer)

Tom

 

[multi power]

Just txt him and its not got multi power

Sounds like need to test the pressure. If the multi power didn't work either it would prove pressure problem

 

[MF-ANDY]

test port is on left hand side cover. not easy to get to with fuel tank in place. looking for 230 to 270 psi when engaged. i would guess brake is worn and plates are worn or warped. has to be split at back end to get it out

 

[Fraserb]

Thanks for all the help so far, how big a job to split?

 

[multi power]

Thanks for all the help so far, how big a job to split?

I think you can jack the cab up and wheel the back end out from underneath . I'm not sure where to split it. The packs are right down in the bottom

 

[MF-ANDY]

do a pressure check before diving in and read "565 ipto advice needed" thread in classic machinery first.