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Pinion bearing lock nuts

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  • Pinion bearing lock nuts

    When I was working in a restoration workshop a while ago, I made a spanner to do up the pinion lock nut. I left it there when I retired (again). I can't remember what the distance is across the flats on such a spanner. I now need to make a couple more. Can anybody tell me what it is please? (1 1/4" comes to mind but I'm not going to make them to that only to find out my memory failed me AGAIN)

  • #2
    1-1/16th
    http://www.santaanitaas.org/wp-conte...r-Apr-2003.pdf
    3~ Tudor's & 1~ Coupe
    Henry Ford said,
    "It's all nuts and bolts"
    "Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."

    Mitch's Auto Service ctr

    Comment


    • Greynomad
      Greynomad commented
      Editing a comment
      Thanks, Mitch. That's 27mm. Not a standard size for steel but I have the tools to put a couple together in not much time. As you well know, 2 open ended spanners are needed to lock it up.
      Looking at Tom Endy's article you posted reminds me. Yesterday, I saw a guy dismantling a Model A diff and the spider gear carrier had 4 "arms" on it, not 3. Is that a later model? Is it any better/stronger?

  • #3
    Originally posted by Greynomad View Post
    Thanks, Mitch. That's 27mm. Not a standard size for steel but I have the tools to put a couple together in not much time. As you well know, 2 open ended spanners are needed to lock it up.
    Looking at Tom Endy's article you posted reminds me. Yesterday, I saw a guy dismantling a Model A diff and the spider gear carrier had 4 "arms" on it, not 3. Is that a later model? Is it any better/stronger?
    I wonder if that was a truck unit with 4 arms on it? I haven't worked on the AA differential, but I think they had 4 spider gears.

    BTW, look in "Homemade Tools" on this site, and you will see the 2 open wrenches I made to work with.

    Comment


    • Mitch
      Mitch commented
      Editing a comment
      thanks Tom i was not sure either
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