My Hercus 9 Restoration.
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  1. #1
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    Default My Hercus 9 Restoration.

    G;Day from the centre of Australia.

    I saw this lathe advertise in Alice Springs in a recycling yard ( Alice is the closest town 500 Km away) in March 2018, I only wanted the stand for my Hercus 260, but when I picked it up I found out it was an Hercus ARL.
    It appeared the be in quite nick, considering it is 10 years younger than me, I thought I would restore this one instead of my 260.

    messaging1520225984481.jpg

    messaging1520225991098.jpg

    When I bought her home, I had to dismantle her to get her off the trailer and stacked the parts on an obsolete hospital bed, 6 month later I transferred to a different department at work so bought home my bench that I originally took there because it was too big for my shed.

    dsc_2472.jpg

    For some reason the missus is keeps whinging about 2 lathes, a hospital bed and a bench on the back veranda, strange woman.

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    Inside the cabinet amongst the swarf, rust, cobwebs and dirt., I found these goodies.
    As well as the spare parts manual with the inspection certificate inside it.
    dsc_2465.jpg

  3. #3
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    Default

    Just a couple of photo showing the crap in her.

    dsc_0223.jpg

    dsc_0134.jpg

    Bit of a difference.

    dsc_0136.jpg

  4. #4
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    Is that a near clone of a SB 9" Model A?

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    Default

    I purchased the Guide to Renovating the South Bend with the repair kit.
    Also managed to pick up a Hercus 6 position carriage stop, A fixed steady, and a pile of gears.

    I will have a lot of questions for you.

    When I pulled the counter shaft assembly apart both bushed appeared tight until I pulled it apart.

    dsc_2192.jpg

    I soaked the parts in degreaser then blasted it with a 3500 psi gurney, I found this , makes me think the bearings will be just as bad.

    There are some parts the repeated soaking in degreaser and the gurney would not remove the baked on dirt and grease.

    Sorry about the rust, I had it stored on the veranda, last weekend we had our first rain in over two years, managed to find a replacement on the hinternet.

  6. #6
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    Quote Originally Posted by SLK001 View Post
    Is that a near clone of a SB 9" Model A?
    To my knowledge it a direct copy SB 9" Model A, but over the years Hercus made a few improvements.

    Did the SB have have the option of tapered roller bearings?

  7. #7
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    Quote Originally Posted by wm460 View Post
    To my knowledge it a direct copy SB 9" Model A, but over the years Hercus made a few improvements.

    Did the SB have have the option of tapered roller bearings?
    Not that I know of for the spindle bearings. Only cast iron or bronze.

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    The Hercus 9" came with the standard bronze bearing, or like mine with Timken tapered roller bearings and for presumably the Instrument version 9", Timken tapered precision bearings class 3.
    On another forum some one got a quote for the class 3 bearings, "would cost in excess of $1000
    with a delivery time of 16 to 18 weeks."
    This is back in 2007.

  9. #9
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    Default

    A quick cut and paste, might be of interest.

    Letters in Hercus serial number and models explained,

    A = gearbox model with power feed apron
    B = power feed apron no gearbox
    C = base model, no gearbox or power feed apron
    D = double drive shaft, leadscrew for thread cutting and driveshaft for turning
    F = fast (high speed model with roller bearing countershaft}
    G = geared head model (260 models only)
    H = hardened bed
    L = long 49" bed (standard length 40")
    M = metric model (all others are imperial)
    N = instrument version ( I take it this is the high precision model)
    R = tapered roller bearing headstock (9" models)
    T = belt drive version ( only used on the 260)
    U = under bench drive. (Craftsman models)
    V = Bit of a guess with this one but I think it refers to 110v 60hz electrics as they all seem to be Canadian exported machines. The "V" referring to voltage

  10. #10
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  11. #11
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    Quote Originally Posted by martik777 View Post
    Thanks for the link.


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