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#4471317 - 07/26/17 07:18 PM torque wrench out of calibration
mobilaltima Offline


Registered: 02/03/11
Posts: 1149
Loc: Golden Meadow, LA
I just sent my Snap On 5-75 ft lbs 3/8 drive to Team Torque in North Dakota for its annual calibration like I do every year. With the light use it sees (drain plugs, intakes, I mostly use it in the 18-50 ft lb range), its probably unnecessary to do it yearly but it gives me peace of mind. They called me back today, they said it was reading high on the low side of the scale, in the 15 to 16 pound range and that it would need to be adjusted and calibrated, and they wanted the ok from me to do it. they said they do see them reading high sometimes and that after adjusting it it should be fine. I was just puzzled in regards to the high reading as the wrench is never abused, always set back to 5 lbs after use and always wiped clean with a rag. they said they could tell I always turn it down after use and that I dont abuse it, as keeping the wrench dialed high would cause it to read high. Anyone ever ran into the same situation with a torque wrench that was well taken care of?
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#4471325 - 07/26/17 07:26 PM Re: torque wrench out of calibration [Re: mobilaltima]
Trav Offline


Registered: 11/20/06
Posts: 18896
Loc: MA, Mittelfranken.de
Try keeping it stored at 0 ft.lb or buy a split beam torque wrench that you don't have to do anything to when storing it.
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#4471330 - 07/26/17 07:36 PM Re: torque wrench out of calibration [Re: Trav]
Ethan1 Offline


Registered: 12/29/14
Posts: 1632
Loc: 'murica
I was aaaaalways told to turn it to zero and that's what I did for years. Just the other day I heard someone caution against turning it to zero and, sure enough, Snap-On says to turn it to the lowest setting on the scale. I'm confused shrug This is almost as bad as the time I found out that PLL is a dexclone!

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#4471331 - 07/26/17 07:40 PM Re: torque wrench out of calibration [Re: mobilaltima]
mobilaltima Offline


Registered: 02/03/11
Posts: 1149
Loc: Golden Meadow, LA
I do keep it at the lowest setting, which is 5 ft lbs
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#4471338 - 07/26/17 07:51 PM Re: torque wrench out of calibration [Re: mobilaltima]
clinebarger Offline


Registered: 12/19/13
Posts: 1916
Loc: Fort Worth, Texas
It's just how it is....Especially with click-type torque wrenches. Good for you that you have it calibrated every year. Dial-Type torque wrenches retain their calibration longer but are more expensive.
I have my 3 (1/4", 3/8", 1/2") Snap-On torqOmeters calibrated every 2 years.
I stepped into the 21st century last year & bought a digital "techwrench" torque wrench & like it so far.
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#4471375 - 07/26/17 08:51 PM Re: torque wrench out of calibration [Re: Ethan1]
Trav Offline


Registered: 11/20/06
Posts: 18896
Loc: MA, Mittelfranken.de
I don't have a Snap-On but a Hazet click type the others are spit beam that do not need setting lower to store but the clicker has 0 on the scale and I set it to that, you can feel the spring go slack inside.
I guess Snap-On must have a reason, I would like to know what it is though. Maybe they are afraid someone will go beyond zero? shrug
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#4471402 - 07/26/17 09:29 PM Re: torque wrench out of calibration [Re: mobilaltima]
SumpChump Offline


Registered: 02/11/14
Posts: 1975
Loc: Upper Midwest by the Lakes USA
I was told to not store at zero but rather at a small percentage.

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#4471404 - 07/26/17 09:29 PM Re: torque wrench out of calibration [Re: mobilaltima]
Stevie Offline


Registered: 11/08/04
Posts: 182
Loc: Port Aransas, TX
I've gone back to the old beam style torque wrench. Just bought a new Craftsman a few months back.

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#4471420 - 07/26/17 09:47 PM Re: torque wrench out of calibration [Re: mobilaltima]
doitmyself Offline


Registered: 06/03/02
Posts: 6223
Loc: MI
Trav - Sturdevant Richmont claims that "some" wrenches can have an internal part become disoriented if spring pressure is reduced to zero, maybe causing it to go out of calibration: http://www.srtorque.com/error-proofing-t...-quality-score/

Precision Instruments recommends their micrometer wrenches be "returned to the bottom of the scale", similar to what SnapOn recommends. Some brands go down to zero, others don't.





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#4471533 - 07/27/17 12:22 AM Re: torque wrench out of calibration [Re: doitmyself]
Trav Offline


Registered: 11/20/06
Posts: 18896
Loc: MA, Mittelfranken.de
Thanks for that, it makes sense now.
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#4471545 - 07/27/17 01:03 AM Re: torque wrench out of calibration [Re: Trav]
NissanMaxima Offline


Registered: 10/21/15
Posts: 187
Loc: co
Hi:
I've been considering buying a quality torque wrench like those offered by SnapOn but am curious why you don't send it back to them for calibration. I thought they offered this service when I looked into buying one a long time ago. Is it more expensive?

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#4471637 - 07/27/17 07:33 AM Re: torque wrench out of calibration [Re: mobilaltima]
Pike51 Offline


Registered: 07/09/17
Posts: 90
Loc: GA
Torque wrenches will always need to be calibrated after some use, just like anything else over time. When I worked for a tool supply company, they suggested getting them checked every 6 months with heavy use. It's not a big deal, just send it back and let them calibrate it.
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#4475044 - 07/30/17 09:54 PM Re: torque wrench out of calibration [Re: mobilaltima]
bowlofturtle Offline


Registered: 06/25/09
Posts: 761
Loc: Chicago
How much does sending it in cost? I've never done this on my 8 year old bluepoint 3/8 but i no more longer us it for engine work. Now its just some suspension stuff that doesn't need to be exact.
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#4483390 - 08/09/17 07:41 AM Re: torque wrench out of calibration [Re: bowlofturtle]
Hootbro Offline


Registered: 08/25/03
Posts: 2414
Loc: DELAWARE
Originally Posted By: bowlofturtle
How much does sending it in cost? I've never done this on my 8 year old bluepoint 3/8 but i no more longer us it for engine work. Now its just some suspension stuff that doesn't need to be exact.


Really depends on the particular shop you send it to. I have seen ranges of $50 - $100 depending on the style and type of torque wrench. This of course does not include shipping costs both ways nor does it include the cost of adjustment if needed.
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#4483415 - 08/09/17 08:29 AM Re: torque wrench out of calibration [Re: mobilaltima]
bmwpowere36m3 Offline


Registered: 04/29/07
Posts: 677
Loc: Connecticut, USA
Angle Repair... cost about $50/ea (including shipping it there) for the Snap-On wrenches I sent them.

I store the clickers at 20% of full scale, which standard practice at the aviation company I work as well. Anywhere from the lowest setting on the wrench to 20% is fine. I've heard not storing them at "zero" either because the internals can comes loose/out of alignment. However that's not the case with Snap-On, CDI and PI wrenches I've worked with.

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