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Torque wrench

Discussion in 'The Garage' started by 84gmcjimmy, May 12, 2005.

  1. 84gmcjimmy

    84gmcjimmy 1 ton status

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    My dad has a torque wrench...I need it to tighten some things on the Q-jet this weekend...How do I know if it is working right? It's a few years old and sits with a bunch of sockets (thats why I am asking if it would still work) Any way I can check?

    Thanks.

    Also, I want to buy another torque wrench in the future, what size and brand is great?
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Torque wrenches can be checked. Beam type torque wrenches are pretty much idiot proof, but usually are only good for the higher torque values. The click type are more accurate but should be regularly calibrated.

    What style of torque wrench is it?

    Rene
     
  3. Jagged

    Jagged 1 ton status

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    different torque wrenches are made for different uses... basically you have your in-lb and your ft-lb torque wrenches, and the two metering types mentioned above. I prefer the 'click' type... a bit more tactile sense of torquing something properly.

    I have some stud bolts with a 1/4", 3/8", and 1/2" socket welded to it and put through a metal frame in the shop... before using a torque wrench, it's a good idea to set it for one of the higher settings and 'click' it through a few times... this ensures the action works and remains lubricated. (I picked that habit up from using torque wrenches in the air force).
     
  4. 79Stomper

    79Stomper 1/2 ton status Premium Member GMOTM Winner

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    Another good question to ask is it an in/lbs or ft/lbs. If I can recall from my last carb rebuild, which was many many moons ago, most was in in/lbs. Using a ft/lbs will easily snap bolts and break aluminum.
     
  5. sweetk30

    sweetk30 professional hooker Premium Member

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    also always put the dial back to zero not to be left on setting.
     
  6. Jagged

    Jagged 1 ton status

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    Or lowest setting ;)
     
  7. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    There are 3 different types of torque wrenches that i'm aware of, click type, dial type, and beam type. They come in inch lbs. and foot lbs. and also come in 1/4", 3/8", 1/2", 3/4", 1", 1.5", and i believe 1.75" drive versions.

    The most accurate for torquing small amounts would be the dial type in whichever you need, inch or foot lbs.
     
  8. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    I like Snap-on brand for torque wrenches and they can be had VERY cheaply on E-bay, but if you do buy one on E-bay make sure you have it calibrated once you get it. Calibration cost depends on what type you buy and the size of the torque wrench but usually somewhere between $50.00-$75.00. I have bought 5 Snap-on torque wrenches off E-bay and saved over $800.00 doing so eevn after having them calibrated.
     
  9. spearchucker

    spearchucker 1/2 ton status

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    You can have someone calibrate it if you want, or you can do it the cheap way. Set the wrench to 100 ft/lbs and tie a 100 lb weight a foot from the center of the socket and see if it clicks. Turn the value up a few ft/lbs and it shouldn't click. Or you could stand on a scale and tighten a nut in the same way. The value on the scale should change by 100 lbs.
     
  10. surpip

    surpip 1 ton status

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    Thats not really calabrating it, thats more like checking to see if it is accurate.
     
  11. pvfjr

    pvfjr 1/2 ton status

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    Sounds like another Air Force term...
     
  12. 84gmcjimmy

    84gmcjimmy 1 ton status

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    I'm not sure what kind it is. I will pull it out tomorrow and snap some pics for you guys to help me out :)
    Thanks!
     
  13. 84gmcjimmy

    84gmcjimmy 1 ton status

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    It's a bigger piece of junk than I remember... will it work for a couple times?

    pictures:

    [​IMG]

    [​IMG]

    [​IMG]
     
  14. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Nope, too big for anything on a carb. Also that type is a worthless piece of junk IMHO.
     
  15. Boondocks

    Boondocks 1/2 ton status

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  16. 84gmcjimmy

    84gmcjimmy 1 ton status

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    Yeah I figured it wasn't worth much... my dad never used a torque wrench...so maybe he never used it. It's made in taiwan...
    I'll get a new one...one day...
     

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