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new holland l85 spool valve levers

  • 30-12-2010 6:05pm
    #1
    dharn
    Registered Users, Registered Users 2 Posts: 2,574 ✭✭✭


    the levers on my new holland l85 are getting progressively stiffer the one near the wheel side which i usually use for trailer is completely stuck ant the second one i use for hydraulic top link is almost unusable now any ideas how difficult is it to dismantle the block where the levers are connected


Comments

  • #2
    dharn
    Registered Users, Registered Users 2 Posts: 2,574 ✭✭✭dharn


    dharn wrote: »
    the levers on my new holland l85 are getting progressively stiffer the one near the wheel side which i usually use for trailer is completely stuck ant the second one i use for hydraulic top link is almost unusable now any ideas how difficult is it to dismantle the block where the levers are connected
    come on lads any clues there must be plenty of fiat /new holland owners out there with some clues


  • #3
    Juniorhurler
    Closed Accounts Posts: 1,363 ✭✭✭Juniorhurler


    First cousin has a TL90 (basically the same tractor). He had a problem similar to that. He crawled in under her with the WD40 an looked up and could see all the linkages. A good spray and a clean on the linkages done the trick. I think working from underneath might be your best option to start.


  • #4
    Muckit
    Registered Users, Registered Users 2 Posts: 11,174 ✭✭✭✭Muckit


    Hi

    I mightn't be much help, but my guess is that it could be just a linkage problem

    I'm assuming their worked on linkages and not cables. Alot of fiat/new holland controls for lift arms/ pto clutch etc were worked on cables and these known to snap/seize, but I don't think aux spools were cable operated.

    Do you use these levers often? If your just using them to tip a trailer now and again the linkages from the levers to the spool valves could be just seized.

    I'd go around the back and try disconnecting the linkages from the spool valve or lever end, then try work lever itself. If it's still stiff, just free it out with a drop of oil. If it's very free, well then at least you've pinned it down to a problem with the spools.

    I hope this helps. Let us know how you get on;)


  • #5
    dharn
    Registered Users, Registered Users 2 Posts: 2,574 ✭✭✭dharn


    thanks for your reply i have not tried the linkages yet but my first attempt at solving it involved pushing on the part that the levers operate ie the piece that goes in to the area that contains the valves that open and close to direct the oil flow and it would not budge in other words the levers and linkages seemed ok but the actual block that they are on is where the problem lies i was wondering if i removed the wheel and opened that area where all the levers are attached is it very complicated and could any thing have siezed in that area


  • #6
    blue5000
    Moderators, Society & Culture Moderators Posts: 12,756 Mod ✭✭✭✭blue5000


    What was it like during the frosty weather? I had one that used to freeze solid, was told there could be a tiny bit of dirt in the spool valve itself. I didn't open it as it is ok since.

    Did you try wd 40 in the cables from the levers to the spool pack as already said above?

    If the seat's wet, sit on yer hat, a cool head is better than a wet ar5e.



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  • #7
    pakalasa
    Closed Accounts Posts: 4,552 ✭✭✭pakalasa


    dharn wrote: »
    thanks for your reply i have not tried the linkages yet but my first attempt at solving it involved pushing on the part that the levers operate ie the piece that goes in to the area that contains the valves that open and close to direct the oil flow and it would not budge in other words the levers and linkages seemed ok but the actual block that they are on is where the problem lies i was wondering if i removed the wheel and opened that area where all the levers are attached is it very complicated and could any thing have siezed in that area
    Dont know the valves exactly, but I do work a bit with hydraulics. If the spool valves are spring return, then you wont be able to push them by hand, without the lever effect.
    It it's not the linkages, as said already then the spool may be sticking with something internally, dirt, broken seal, bit of metal etc. It could be hydraulic pressure holding the spool too. Check if the valves are freer first thing before you start the tractor. Leave the loader and back arms down from the night before to allow any oil pressure to fall away.
    Let us know how you get on.


  • #8
    dharn
    Registered Users, Registered Users 2 Posts: 2,574 ✭✭✭dharn


    thanks for reply if you can imagine i reached a situation last year where i got to move the lever nearest the wheel and got to tip the trailer but when i tried to move it to let trailer down i could not do so ! had to prop up trailer to release pressur swap tipper hose to other spool valve and release pressure with second lever to let trailer down so ias i said that lever is fully stuck now and the on beside it is getting stiffer all the time i use them frequently the frost had no effect by the way these levers are two way acting and normally self release when system pressurizes but not workin normally at present


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