The only time I have ever needed to calibrate a wrench was because it
broke. On my Craftsman that I bought in 1993 the adjustment nut came loose
after about 20 years of service, so I reassembled it and re-calibrated.
Since I had the set up there I also tested another Craftsman I had of the
same vintage and a Snap-ON I bought in 2016. Both of the other two
wrenches were within 5 ft-lbs. which I consider to be about as good as you
are going to get with this style of wrench. When I was working on
airplanes for a living the shop sent torque wrenches out for re-calibration
every 12 months. I have no idea if the service that we used ever did any
adjustment on them or not.
On Thu, Aug 16, 2018 at 11:49 PM, <glemon at neb.rr.com> wrote:
> That is a great tutorial on how to calibrate a torque wrench,I have to
> confess that I have two or three and I have never bothered in many, many
> years of ownership. For those that have done it or had it done how far off
> are they usually?
>
> Greg Lemon
> TR250
>
>
> ** triumphs at autox.team.net **
>
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--
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