User Manual for HYCHIKA 1/2-220Nm Torque Wrench

Important Information

This torque wrench is a precision tool designed for tightening bolts and nuts to a specific torque value. Before use, ensure the tool is set correctly. The wrench is shipped at the lowest scale setting. For safety and accuracy, do not disassemble the tool, do not use it as a hammer, and do not use pliers to grip it. Regular inspection and calibration are required to maintain accuracy.

Operating Instructions

Follow these steps to set the desired torque value:

1. Unlock: Pull back the locker on the handle to unlock the Supplementary Graduation.
2. Set Main Value: Turn the Supplementary Graduation until the desired value on the Main Grad is close to the Graduation Datum Line.
3. Fine-tune: Turn the Supplementary Graduation clockwise until the specific number aligns with the Center Line to reach the exact torque value.
4. Lock: Ensure the locker is engaged to secure the setting.
5. Application: Attach the appropriate socket to the bolt or nut. Turn the wrench clockwise to fasten. Stop pulling immediately when you hear a "Click" sound, indicating the set torque has been reached.

Precautions for Use

• Storage: When storing for a long time, set the wrench to the lowest scale value, apply rustproof oil, and keep it in a dry place.
• Maintenance: To ensure accuracy, the wrench must be verified once a year or after 5000 uses.
• Prohibitions: Do not use the wrench as a hammer, do not use pliers to grip the wrench, and do not use it in water.
• Professional Service: If the tool requires inspection or repair, contact a professional department. Do not disassemble the assembly yourself.

Torque Conversion

The wrench supports various torque units. Refer to the conversion table in the manual to convert between cNm, in-lb, ft-lb, Nm, kg-cm, and kg-m.