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Using a beam torque wrench Posted by Cmyles [Email]  (#1126) [Profile/Gallery]
(more from Cmyles) on Wed, 26 Jun 2013 12:05:11
In Reply to: Re: Ratcheting breaker bar, Snowmobile  [Profile/Gallery]
, Wed, 26 Jun 2013 10:19:25
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The correct way to use a beam type torque wrench is to hold the handle so that it's not cocked. If you look closely you'll notice that the handle is fixed to the beam with a single, discreet pivoting pin. When you read the torque the handle should not be (directly) contacting the beam at all. All of your force should be entering the beam through the pivoting pin because it's the right distance from the socket to produce the correct reading. If you have the handle cocked so that one end of it is contacting the beam then your reading will be off significantly. Also the indicator rod must not be in contact with any part of the tool (except where it attaches). If it drags on the scale that can throw off the reading. Like I said, the beauty of a beam torque wrench is that as long as it's not bent it will always read accurately and how accurately is related to how fine it's scale is and how closely you look at it. Clickers are easily knocked out of spec. by careless handling and (evidently) can slip out of spec. just as a result of age and use. When stored the setting should be zeroed because prolonged pressure on the internal spring will change it's characteristic requiring re-calibration. Clickers are great for certain things but for everyday use I rely on my trusty old beams (and my see-biggers).
, Thu, 27 Jun 2013 09:25:44, Fri, 28 Jun 2013 18:40:11, Sun, 30 Jun 2013 18:13:10, Sun, 30 Jun 2013 18:25:20
, Fri, 28 Jun 2013 05:17:51
, Wed, 26 Jun 2013 11:53:43, Wed, 26 Jun 2013 07:58:03, Wed, 26 Jun 2013 10:19:25, Wed, 26 Jun 2013 12:05:11 <-- Viewing This Message, Thu, 27 Jun 2013 09:06:54
, Wed, 26 Jun 2013 08:05:50, Wed, 26 Jun 2013 07:04:38
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