Re: LRO: Re: special tool

From: Tony Chapman (Tony@archap.demon.co.uk)
Date: Thu Apr 19 2001 - 13:31:49 EDT

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    In message <200104191631.JAA00517@blackie.cruzers.com>, TeriAnn Wakeman
    <twakeman@cruzers.com> writes
    >>> > Tight is tight.
    >>Finally, somebody is making sense!
    >
    >Right-o! Be it a 4-40 bolt holding on a bit of trim, a 1/4 inch bolt
    >helping to hold the roof to the roof sides, a 5/8ths bolt holding down a
    >cylinder head or a funny looking nut trying to keep the total power
    >output from your engine from moving a gear out of place. Tight is tight.
    > Finger tight? short wrench tight? breaker bar tight?
    >
    >Who cares about the elasticity of fittings?
    >
    >Oh well, if it works for you and you are happy with the results. That is
    >all that really matters. Your satisfaction in the methods you use.
    >
    >Sorry, this is once again just the ranting of an old lady with a torque
    >wrench fetish.
    >
    >TeriAnn Wakeman Marigold Ltd.
    >Santa Cruz, California Web design, site updating, testing
    >webmaster@overlander.net search engine optimization, graphics
    > and more
    >
    >http://www.overlander.net/Marigold/index.html
    >
    I agree. Tight can be: not tight enough, just right tight, too tight
    and too bl**dy tight! Anything but just right risks either the
    component coming adrift. Its a common fallacy that you can't
    overtighten. If a thread is overtightened there's a risk of damaging
    the thread or stretching the fastener which could result in it failing
    with possible dire consequences.

    Wherever there's a torque specified I use it. I know some highly
    skilled people can judge the torque right by feel. I'm not one of those
    and I tend to believe (most of the time at least) that those who
    designed & built the vehicle in the first place know more about things
    than I do.

    I too have the special tool. Genuine VL Churchill bought via Dingocroft
    here in the UK in 1994. First gearbox rebuild I did the nut was loose
    (barely finger-tight) & was heavily chewed up having apparently been
    tightened by means of cold chisel. Fitted new nut & lock washer,
    torqued to spec &, when I had to take the 'box out four years later the
    nut was still good & tight.

    My view: If you can get hold of the tool use it, and where possible use
    a torque wrench.

    -- 
    Tony Chapman
    



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