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Hymac 580C

Discussion in 'Classic Machinery' started by mikep, Oct 4, 2018.

  1. mikep

    mikep Member

    Evening all.
    The trusty rusty Hymac bought for £1250 twenty years ago is showing its age after a massive soil and hardcore move for a new house. The front track idler bushes are shot, it's the normal type not the cast shoes and I have the parts manual so know what's what and where. Just wondering if anyone has done this and can offer some pearls of wisdom. It's a split the tracks job so not needing much finesse more brute strength type job.
  2. Mursal

    Mursal Member

    Just a bit of moral support, your after then .............
  3. mikep

    mikep Member

    Yes or it's easier if your pee'd kind of stuff. No just wondering if there are any pitfalls to avoid.
    Mursal likes this.
  4. Mr Happy

    Mr Happy Member

    Might be worth calling Richard Gould at Hymac Parts & Services tel nr 01746 785002
  5. Forever Fendt

    Forever Fendt Member

    You could join "The old girls of plant hire" Facebook page ,some one on there will know
  6. theres a few being broken on ebay if you need any spares
  7. mikep

    mikep Member

    Yes I've seen that and if they sell at those prices I'll break her and buy another!!!!! Trouble with s/h bits is that the wearing parts are usually worn. I'm hoping the castings are ok so it's just bronze bushes which are quite cheap and can be made if not available.
  8. mikep

    mikep Member

    Thanks I'll try that.
    Forever Fendt likes this.
  9. Mursal

    Mursal Member

    As long as they actually get that money, I sometimes wonder .......
  10. I did think they were a bit on the heavy side price wise
  11. mikep

    mikep Member

    Thanks for the input. Facebook came up trump's advising don't split track.just slacken off the tension and pull the track sideways then pull out idler. Starting new regime this week three shredded wheat for breakfast all week.
  12. Mursal

    Mursal Member

    You'll want to eat box n' all ..............
    mikep likes this.
  13. mikep

    mikep Member

    May need the box to carry my bollox back in:eek:
    Mursal and Kevtherev like this.
  14. Used a Teleporter here and make sure the grease nipple is completely out lift up with hymac push in with head stock then get the slack track and lift sideways good luck
  15. tomlad

    tomlad Member

    nr. preston
    Probably develope leak on grease seal
    Presuming its grease tensioner.
    If that aint bin back fully in for years but uve no option , push it in .
  16. Mursal

    Mursal Member

    And have a wee look that there's not a stopper tacked to the tensioner
  17. One for sale now

    Attached Files:

  18. essexpete

    essexpete Member

    Yes would agree with the seal problem. Happened on our old 580D.
    Btw I have a Hymac bucket, a drive sprocket and a couple of bottom rollers.
  19. mikep

    mikep Member

    I had that on one side a few years ago and bought a new seal. No way could I get it over the piston so I cut the retaining end off the piston and slid it on, pushed the whole lot in and bingo tight as a ducks arse ever since.
    glasshouse likes this.
  20. tomlad

    tomlad Member

    nr. preston
    Had it on mate 3 t Kubota tuther week
    50 mm rod pitted . New rod cut pluss seals sorted touch wood .
    Kubota had rusted enough to pit piston and hymack will be a bit older .

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