TM 9-2320-260-20
APPENDIX D (Contd)
I
D-5. CONVERSION FORMULA
Corrected dial or scale readings are determined by the use of the following formula:
Required
Length of torque wrench + Length of adapter
Corrected
torque value
Length of torque wrench
=
reading
NOTE
The length of the torque wrench is
measured from the center of the handle
to the center of the drive. The length of the
adapter is measured from the center of the
drive to the center of the wrench.
Example:
In this example, the torque wrench measures 22 in. (55.9 cm) and the adapter is 3 in. (7.6 cm). The required
torque is 19 lb-ft. (25.8 Nm).
Corrected
=
reading
Corrected
=
reading
Corrected
=
reading
17 lb-fl (23. 1 N.m)
Corrected
=
reading
D-6
