The DigiTork wrench works the same as the clickers, it just have a nicer
readout. Here is a parts diagram
https://www.ereplacementparts.com/craftsman-44597-torque-wrench-parts-c-158286_159642_159644_162990.html
I have never worked on one of these, but it LOOKS LIKE you would adjust by
tightening or loosening the pre-load nut (#26) on the diagram. I think you
would need to remove the drum to adjust these nuts, so it might be possible
(easier) to reposition the drum (where the torque readout is) to match
whatever value it is actually clicking at.
On Fri, Aug 17, 2018 at 11:36 AM, Don Hiscock <don.hiscock at gmail.com> wrote:
> I've had a Craftsman DigiTork torque wrench for over thirty five years,
> and still use it. It's stored with the spring completely relaxed, but
> after that long on a relatively inexpensive tool at the time, relying on
> its accuracy is really more a matter of trust than validation. That said,
> tests others have done on a number of torque wrenches, even (gasp) Harbor
> Freight, have shown them all to be generally OK. And a TR is pretty
> forgiving.
>
> The procedure for *checking* calibration is pretty simple -- there's some
> very sophisticated lab equipment that uses the same
> mass-on-the-end-of-an-arm-approach. But let's say one wants to CHANGE
> something in the calibration. Has anyone ever done that on a DigiTork?
> There must be thousands and thousands of these still in use, yet I've never
> found any instructions or guidance for calibrating one.
>
> (I have noticed that as the wrench has aged, the little torque values
> printed inside the window seem to have gotten smaller...)
>
> 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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