Harrison m350 oil change.

  1. LeoMkII Member

    Messages:
    27
    Location:
    Louth, Ireland.
    Hi guys. i'm changing the headstock oil and gearbox oils on my m350.
    I've drained them, then flushed them out with diesel and finally cleaned the bottom of the headstock with rags and kitchen roll (amaze's me how much c##p and filings do be lying in the headstock).

    The last time I used high quality 10w/30 tractor transmission oil just because I do have gallons of the stuff. Even though it seems to work well, with no obvious signs of wear and a nice quiet running headstock i'm just wondering if someone could advise me of the correct modern oil grade that should be used.
     
  2. Brad93

    Brad93 M J B Engineering

    Messages:
    8,844
    Location:
    Essex
    ISO68 cheap as chips
     
  3. Milkybars

    Milkybars Forum Supporter

    Messages:
    402
    Location:
    Essex
    paging @scottmk1 to give you the official spec
     
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  4. scottmk1

    scottmk1 Forum Supporter

    Messages:
    1,372
    Location:
    Scotland
    Here is what the book says.

    DSC_0175.JPG
     
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  5. Brad93

    Brad93 M J B Engineering

    Messages:
    8,844
    Location:
    Essex
    ISO 68

    :waving:
     
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  6. LeoMkII Member

    Messages:
    27
    Location:
    Louth, Ireland.
    Thanks guys, finished lathe today iso 68 in headstock and 220 in both gearboxes Just like book says. Thanks Scot for specs.
     
  7. daedalusminos Member

    Messages:
    889
    Location:
    Norwich
    ISO 220 in both gearboxes... are you sure?
     
  8. Brad93

    Brad93 M J B Engineering

    Messages:
    8,844
    Location:
    Essex
    Feed box and apron
     
  9. daedalusminos Member

    Messages:
    889
    Location:
    Norwich
    Not in the apron, it's going to be hard work pumping that onto the ways.
     
  10. LeoMkII Member

    Messages:
    27
    Location:
    Louth, Ireland.
    OOPS!!
    My bad, at first glance I thought the oil can symbol for apron gearbox was grey (iso 220)
    But its actually black which would mean 68 (as my old school report cards used to say "must try harder")
    Should be no harm done as although I had run the lathe unloaded, I didn't pump oil up to saddle.
    I'll drain the 220 out off apron gearbox this morning, good catch daedalusminos. Thanks.

    Quick question would standard iso68 (white oil can) be alright for slideways or should I look for an iso68 waylube (black oil can)
    as specified?
     
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