Hairich 3 8 Inch Drive Click Torque Wrench Instructions
- June 14, 2024
- Hairich
Table of Contents
OPERATING INSTRUCTION
Mechanical Torque Wrench
WARNING
Please read this instruction manual carefully before starting to operate the
torque wrench.
Please contact the manufacturer for any doubts, so as to avoid safety
accidents and torque damage due to improper operation.
Selection Guide
Select the appropriate type of torque wrench and socket according to the
torque value required for the bolt or nut being tightened. 
How To Use Set a torque Value
2.1 Pull back the locker to unlock the Supplementary Graduation 
2.2 Turn the Supplementary Graduation to set a torque(Combination of values on the Main and Supplementary Graduations)
Example 1) To set torque at 66Nm
- Turn Supplementary Graduation until 60Nm on Main Graduation close to Graduation Datum Line. Now, torque is set at 60Nm
- Turn clockwise until 6 on Supplementary Graduation is aligned with Center Line. Now Torque is set at 66 Nm
2.3 Apply the socket on to a bolt head or nut.
2.4 Turn the torque wrench clockwise to fasten the bolt.
2.5 Stop pulling the wrench when you hear a “Click”, this means it’s already
at the torque value which you set.
Precautions for use
3.1 Make sure the torque wrench is set corectly before using.(The torque is
set on the minimum scale for shipment)
3.2 Please go to professional department to perform regular inspection for
function and accuracy. In order to avoid injury accidents or damage the torque
wrench, the individual must not disassemble the assembly
3.3 When storing the toque wrench for a long time, store the wrench with
torque graduation set to the lowest setting, then apply rustproof oil, and
keep in a dry place.
3.4 In order to ensure the accuracy of the torque wrench, it must be verified
once a year or after 5000 uses.
3.5 Prohibit using torque wrench as a hammer, or using plier to clip wrench,
or using wrench in the water.
Torque Conversion Table
| From | To | Multiply |
|---|---|---|
| cNm | in-lb | 0.0885 |
| cNm | ft-/b | 0.00737 |
| cNm | Nm | 0.01 |
| Nm | in-lb | 9. |
| Nm | ft-/b | 0.73756 |
| Nm | kg-cm | 10. |
| Nm | kg-m | 0.10197 |
| Nm | cNm | 100 |
| kg-cm | in-/b | 0.86796 |
| kg-cm | ft-/b | 0.07233 |
| kg-cm | Nm | 0.09806 |
| kg-m | in-lb | 87. |
| kg-m | ft-/b | 7. |
| kg-m | Nm | 10. |