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    Massey Ferguson 500 series hydraulics

    Worth doing here the low pressure system description. Two common ports on auxiliary pump. One to the front and one to the IPTO. The IPTO is a dead leg with no relief valve in it. A practice used in other industries was to design in a gap in piston rings to allow a certain amount of fluid...
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    Massey Ferguson 500 series hydraulics

    That's what I thought as well. So the cab floor came up; eventually. All those sheared bolts and captive nuts I destroyed - joy. That let me see that there were two pipes popping out of the front of the gearbox. Both were routed to the oil cooler. One was obviously a supply and one a...
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    Massey Ferguson 500 series hydraulics

    Before I finish on splitting let me describe something for the novice, which I am sure many of the more experienced hands, on here, do as routine. My tractor had been split in the past and some sort of goo put in to help the castings seal against each other. Obviously this was an addition...
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    Massey Ferguson 500 series hydraulics

    Well taking the top cover off and things, whilst not clear, became apparent. Oil gets to the oil cooler and then onto the multipower clutch/pressure maintaining valve (8sp) either via the external pipe shown in the workshop manual or via the pipe 30, not referenced in the workshop manual...
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    Massey Ferguson 500 series hydraulics

    The Parts list provides, not very clearly, the evidence as to how that oil is getting to the front of the tractor. Attached is P172 of the MF parts list. The auxiliary pump is in RED. We see item 36 in the parts list, yellow, is our item 11 from the workshop manual - "remove if fitted" We...
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    Massey Ferguson 500 series hydraulics

    Before I finish on problems re "splitting" there is a further issue, which undoubtedly caught out the unwary on many an occasion and caused a design change. Once again, inadequate editing of the workshop manual by the MF service department exacerbates the issue. On 500 series tractors with no...
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    Massey Ferguson 500 series hydraulics

    The Foster digger is brilliant and it was a great purchase, thank you, particularly for loading it on the trailer. It has just a pity that moving it all around was so difficult because the lift arms were useless. I did a couple of jobs with it but am looking forward this year to really making...
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    Massey Ferguson 500 series hydraulics

    Another thing needed for rejoining after splitting, I used the MF recommended guide studs. You will see I increased F to 4 1/2" and D to 1". I used a couple of old 7/16 UNF bolts, cut the head off and threaded the stub 7/16 UNC and turned the taper on the end. I also used them for removal...
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    Massey Ferguson 500 series hydraulics

    As I wrote upthread but relevant here, a good bottle jack under the sump with the front wheels chocked and a large trolley jack lifting under the back of the tractor, to move with the back end as it is all rolled backward could have replaced my tractor splitting rails.
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    Massey Ferguson 500 series hydraulics

    Holding it in place while operating the jack is a bit of a handful alone but I did it (3 times eventually)OK. you just need to spring the cab apart by a 1/4" and then the crossmember goes in without scuffing and you can simply slide in some of the bolts to hold it in place. So that was all the...
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    Massey Ferguson 500 series hydraulics

    Now, during dissembley, I did what others do on you tube and used a mallet and drift on the cross-member at the back of the cab. Having been assisted by my-far-better-half with the rubbing down and painting I was not about to trash the paint finish by smacking the crossmember back in. So I...
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    Massey Ferguson 500 series hydraulics

    About to go back together then back together.
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    Massey Ferguson 500 series hydraulics

    Some shots of splitting the tractor and then a couple of it going back together so you get the idea of the space requirements for the whole process. About to be split.
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    Massey Ferguson 500 series hydraulics

    Here you can see how busy it is under the tractor on the floor. The splitting rail has its own quite large footprint and the tyres restrict space so I had the three legs of each axle stand adjusted in, to just take up what space was left. Axle stands without adjustable legs have a footprint...
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    Massey Ferguson 500 series hydraulics

    Here you can see the need for the stands to be capable of raising the support plate under load. Those 4 cab bushes are meant to be loose on the through bolts so they just slide off. 45 years of rust ensured the metal bonded insert of the bush was never coming off the bolt. A large force was...
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    Massey Ferguson 500 series hydraulics

    OK I need to get on with the "help" part of this thread. No need for a travelling, gantry-mounted, electric powered, hook-from-the-sky in your giant purpose built workshop. Axles stands about £110 the pair and two plates of mild steel bolted to the top. These come with a variety of top fittings...
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    Massey Ferguson 500 series hydraulics

    Well that was epic. I wrote at the top of the thread that I was coming to the end of fixing the hydraulics; I should not have tempted fate. Several months on and it is saga which stands as the most eloquent witness to 1970s industrial chaos in the UK. Before I write about what delayed me so...
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    New Cable for Bomford Supertrim - also fits other Bomford cable hedgecutters/flails £89.99

    No they do not fit but this company will make cables up for you as a one off or a small batch .
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    New Cable for Bomford Supertrim - also fits other Bomford cable hedgecutters/flails £89.99

    Bomford have yet another part number for the B49 cables. If the fittings at the end are as my photos or the photos in AdamP929's post above, then the cables I supply will fit.
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