Posted by guido on May 31, 2008 at 11:23:01 from (71.188.40.17):
In Reply to: Re: torque wrench posted by Dick L on May 30, 2008 at 13:22:02:
Hello Dick L If you used a bar to extend the torque wrench handle you did not torque the bolts enough! A 12 in. torque wrench with 2.56" extention would have torqued at 103 set at 125# for a 125# torque requirement. Here is the formula you use to determine proper torque with an extention on the handle. 125 # example.
TI = Torque indicated 125#. E = exstension lenght 2.56. W= handle to torque axis 12 ".(torque wrench size)
FORMULA
TI =125x12=1500 12+2.56= 14.56 1500 / 14.56 = 103# With the extention on the torque wrench you did not torque the fastner to the proper torque in this example 82.4 % of 125. You need to recheck that torque! Guido.
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