HIMC 3-Jaw Adjustment Steel Body Scroll Chucks 3DACT-06

### Operating Instructions for the Adjustable Three-Jaw Manual Chuck 3DACT-06

1. **Preparation**:

   - Ensure the chuck is compatible with your lathe or machine tool.

   - Inspect the chuck for any visible damage or wear before use.

   - Clean the chuck and the mounting surface of the spindle to ensure proper installation.

2. **Mounting the Chuck**:

   - Align the chuck with the spindle nose of the lathe.

   - Secure the chuck onto the spindle using the appropriate bolts or mounting mechanism. Tighten the bolts evenly and securely to avoid imbalance.

3. **Adjusting the Jaws**:

   - Use the chuck key to rotate the adjustment scroll, which will move the three jaws simultaneously.

   - Adjust the jaws to the desired position to hold the workpiece securely. Ensure the workpiece is centered properly.

4. **Securing the Workpiece**:

   - Place the workpiece between the jaws and tighten them evenly using the chuck key.

   - Ensure the workpiece is held firmly but avoid over-tightening, which could damage the workpiece or the chuck.

5. **Operation**:

   - Start the lathe or machine tool at a low speed to check for any imbalance or vibration.

   - Gradually increase the speed to the desired operating level, ensuring the workpiece remains securely held.

6. **Removing the Workpiece**:

   - After completing the operation, stop the machine and wait for it to come to a complete stop.

   - Use the chuck key to loosen the jaws and carefully remove the workpiece.

### Precautions and Safety Guidelines

1. **Inspection**:

   - Always inspect the chuck and jaws for wear or damage before use. Replace any worn or damaged parts immediately.

2. **Proper Alignment**:

   - Ensure the chuck is properly aligned and securely mounted on the spindle to prevent accidents or damage to the machine.

3. **Balancing**:

   - Avoid uneven tightening of the jaws, as this can cause imbalance and lead to vibration or damage during operation.

4. **Workpiece Size**:

   - Do not exceed the maximum recommended workpiece size for the chuck. Overloading the chuck can lead to failure and potential injury.

5. **Speed Limits**:

   - Operate the chuck within the recommended speed limits. Excessive speed can cause the chuck to fail or the workpiece to be ejected.

6. **Lubrication**:

   - Regularly lubricate the chuck's moving parts to ensure smooth operation and prevent wear.

7. **Personal Safety**:

   - Always wear appropriate personal protective equipment (PPE), such as safety glasses and gloves, when operating the chuck.

   - Keep hands and clothing clear of moving parts during operation.

8. **Emergency Stop**:

   - Familiarize yourself with the emergency stop procedures for your machine tool in case of any issues during operation.

By following these instructions and precautions, you can ensure safe and effective use of the Adjustable Three-Jaw Manual Chuck 3DACT-06.