HYCHIKA 12-220NM Torque Wrench User Manual

Quick guide from the manual

This document provides instructions for the HYCHIKA 12-220NM mechanical torque wrench. It covers the selection of appropriate sockets, the procedure for setting specific torque values, and essential maintenance practices to ensure tool accuracy.

How to use and set a torque value

Follow these steps to set the desired torque:

• Pull back the locker on the handle to unlock the supplementary graduation.
• Turn the handle until the desired value on the main graduation is reached (e.g., 60Nm).
• Continue turning the handle until the supplementary graduation aligns with the center line to reach the final precise value (e.g., 66Nm).
• Apply the appropriate socket to the bolt head or nut.
• Turn the wrench clockwise to fasten the bolt.
• Stop pulling immediately when you hear a click, which indicates the set torque value has been reached.

Precautions for use

• Always ensure the wrench is set correctly before use.
• The tool is shipped set to the minimum scale; store it at the lowest setting after use.
• Do not disassemble the wrench; professional inspection is required for accuracy.
• For long-term storage, apply rustproof oil and keep in a dry place.
• The wrench must be verified once a year or after 5000 uses to ensure accuracy.
• Prohibited: Do not use as a hammer, do not use pliers to grip the wrench, and do not submerge in water.

Torque conversion

The manual provides a conversion table for various units including cNm, in-lb, ft-lb, Nm, kg-cm, and kg-m to assist in setting the correct torque requirements.