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Thread: Pin socket wrench for Enerpac hand pump

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    Supporting Member mattthemuppet's Avatar
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    Pin socket wrench for Enerpac hand pump

    I'm in the midst of fixing my non-working Enerpac 10t press. I rebuilt the hydraulic cylinder a few years back, but put off doing the hand pump. Well, now it doesn't work, so I'm busy tearing it apart. I hit a snag removing the piston seals as there's a 2nd seal retainer deep in the bore that needs a pin wrench to get it out. I don't have one, but I do have a lathe, so..

    found a random chunk of steel with a cross hole, so turned it down to size, then drilled/tapped 2 holes in the end using my live drill chuck and the indexing bull gear on my lathe
    Pin socket wrench for Enerpac hand pump-dscn1914.jpg

    loctited 2 screws (8-32?) in, then cut off the heads, plus a bit of grinding to fit. Cross bar is another piece of random scrap (from a laser printer I think)
    Pin socket wrench for Enerpac hand pump-dscn1915.jpg

    worked a dream! Wish I could say the same of the check valve screw, still fighting with that one..
    Pin socket wrench for Enerpac hand pump-dscn1916.jpg
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  2. The Following 2 Users Say Thank You to mattthemuppet For This Useful Post:

    Paul Jones (01-05-2017), PJs (01-06-2017)

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    Thanks mattthemuppet! We've added your Pin Wrench to our Fastening category,
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    PJs
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    PJs's Tools
    A homemade tool at it's best Mat...nice going! ~PJ
    ‘‘Always do right. This will gratify some people and astonish the rest.’’
    Mark Twain

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    Supporting Member mattthemuppet's Avatar
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    mattthemuppet's Tools
    thanks PJ! It was one of those "1/2h to make, 10s to use" tools


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    PJs (01-06-2017)

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