Craftsman DigiTork torque wrench operating instructions -- scanned copy from 1981

[4xdog]

There are a lot of these torque wrenches still out there and giving good service. I've had mine since new and it's working fine, as far as I can tell.

Here's a scanned copy of the original operating instructions for the Sears Best Craftsman DigiTork™ micro-adjusting torque wrench for the record. Perhaps this will be useful to those who end up with one of these down the road and want to know a bit about it. The care and maintenance instructions on p 7 may be the most useful part.

 

[RG Budd]

to: 4xdog
You posted instructions for craftsman digitork torque wrench. I have the same model. Do you know where the calibration screw or knob is located on the wrench? Instructions say to take it back to Sears. . . duh. I can do it myself if I can find that adjuster.

 

[bigb56]

to: 4xdog
You posted instructions for craftsman digitork torque wrench. I have the same model. Do you know where the calibration screw or knob is located on the wrench? Instructions say to take it back to Sears. . . duh. I can do it myself if I can find that adjuster.

Did you ever figure it out? I'm in the same boat with mine.

 

[ronkz650]

Is it out of calibration or just assumed due to age it possibly is? I bought mine in 1981 and still spot on perfect after 41yrs.

 

[bigb56]

It's out by about 12% at 50 lbs.

 

[Farmer J.]

Nice old instructions and useful to post them here for anyone who may search for them.
However, I beg to differ in opinion with 'Important suggestion' no. 1 on page 5. I found this out years ago the hard, costly, way with damaged engine castings which I had torqued to the recommended settings.
Information is widely available that lubricant has a huge affect on clamping force from a threaded fastener and the torque required..
Like this:

Lubricant	Torque Reduction (%)
Graphite	50 - 55
White Grease	35 - 45
SAE 30 oil	35 - 45
SAE 40 oil	30 - 40
No lube	0

 

[tanacross]

There are a lot of these torque wrenches still out there and giving good service. I've had mine since new and it's working fine, as far as I can tell.

Here's a scanned copy of the original operating instructions for the Sears Best Craftsman DigiTork™ micro-adjusting torque wrench for the record. Perhaps this will be useful to those who end up with one of these down the road and want to know a bit about it. The care and maintenance instructions on p 7 may be the most useful part.

Can you repost instructions? I can’t open them. Thanks

 

[4xdog]

Here you go, @tanacross -- I've updated post #1 to put back the original images. Somehow the original gallery of my online images got lost -- no idea there.

 

[AC-WC]

I just broke mine last weekend
Torqued a lower control arm to 129, it snapped and on the floor I went. Had it almost 40 yrs. Bought it when I rebuilt my engine. Of course repair parts are no longer available from Craftsman.