Einhell TC-PW 340 Compressed Air Impact Wrench

1. Product Overview

The Einhell TC-PW 340 compressed air impact wrench is a powerful tool designed for various tasks in the home, workshop, and garage. It delivers a maximum torque of 340 Nm, making it suitable for demanding applications. The tool features a non-slip rubberized handle for comfortable and secure operation, and offers both left (one-stage) and clockwise (three-stage) rotation for versatility.

Figure 1: Einhell TC-PW 340 Compressed Air Impact Wrench with included sockets, oil bottle, and plug nipple.

Key Features:

• Maximum torque of 340 Nm for powerful performance.
• Non-slip rubberized handle for safe and comfortable working.
• Left- (one-stage) and clockwise (three-stage: 180, 255, 340 Nm) rotation.
• Includes 8 sockets (8/10/11/13/17/19/21/22 mm), 1 oil bottle (empty), and 1 plug nipple.

Figure 2: The ergonomic, rubberized handle provides a secure and comfortable grip during operation.

2. Safety Instructions

Always observe the following safety precautions when operating the compressed air impact wrench to prevent injury and damage:

• Wear Eye Protection: Always wear safety goggles to protect your eyes from flying debris.
• Wear Hearing Protection: The tool can be loud; use ear protection during operation.
• Wear Gloves: Protect your hands from vibrations and potential pinch points.
• Secure Workpiece: Ensure the workpiece is stable and cannot move during operation.
• Proper Air Pressure: Do not exceed the maximum operating pressure of 6.3 bar.
• Disconnect Air Supply: Always disconnect the air supply before changing accessories, performing maintenance, or when the tool is not in use.
• Keep Children Away: Do not allow children or untrained persons to operate the tool.
• Inspect Tool: Before each use, check the tool for any damage or wear. Do not use a damaged tool.

3. Package Contents

Upon unpacking, ensure all items listed below are present and undamaged:

• Einhell TC-PW 340 Compressed Air Impact Wrench
• 8 x Sockets (sizes: 8, 10, 11, 13, 17, 19, 21, 22 mm)
• 1 x Oil Bottle (empty, for lubrication)
• 1 x Plug Nipple (for air hose connection)
• 1 x Transport and Storage Case

Figure 3: The complete set of accessories, including various socket sizes, the oil bottle, and the plug nipple.

Figure 4: The range of standard socket sizes provided for common applications.

4. Setup and Initial Operation

4.1 Connecting to Air Supply

1. Ensure your air compressor is off and depressurized.
2. Attach the included plug nipple to the air inlet of the impact wrench.
3. Connect your air hose (minimum inner diameter of 9 mm for best performance) to the plug nipple.
4. Set your air compressor to the recommended operating pressure (maximum 6.3 bar).

4.2 Attaching Sockets

1. Ensure the air supply is disconnected from the impact wrench.
2. Select the appropriate 1/2" square drive socket for your application.
3. Push the socket firmly onto the square drive spindle of the impact wrench until it clicks into place.
4. To remove, pull the socket off the spindle.

Figure 5: The 1/2 inch square drive for attaching standard sockets.

5. Operating Instructions

5.1 Direction of Rotation and Torque Adjustment

The Einhell TC-PW 340 features a selector switch for controlling the direction of rotation and the torque setting.

• Clockwise Rotation (Tightening): The tool offers three stages of torque for tightening: 180 Nm, 255 Nm, and 340 Nm. Adjust the selector to the desired torque level.
• Left Rotation (Loosening): The tool operates at one stage for loosening, providing full power for removal.

Figure 6: The selector switch allows for easy adjustment of rotation direction and torque settings.

Figure 7: The tool offers a 4-step torque setting for precise control during tightening applications.

5.2 Using the Impact Wrench

1. Ensure the correct socket is attached and the air supply is connected.
2. Select the desired direction of rotation and torque setting.
3. Place the socket firmly onto the fastener (nut or bolt head).
4. Press the trigger to operate the tool. Apply steady pressure.
5. Release the trigger to stop the tool.

Figure 8: The impact wrench is ideal for tasks such as changing car tires.

Figure 9: The tool's versatility extends to various applications, from automotive work to other workshop tasks, requiring a hose with a minimum inner diameter of 9 mm for optimal performance.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your impact wrench.

6.1 Lubrication

It is crucial to lubricate the impact mechanism regularly. Use a few drops of pneumatic tool oil (not included) in the air inlet before and after each use, or at least daily if used frequently. The included oil bottle is for convenient application.

Figure 10: Regular oiling is essential for the proper functioning and lifespan of the pneumatic tool.

6.2 Cleaning and Storage

• After use, wipe down the tool with a clean, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Store the impact wrench in its transport case in a dry, clean, and dust-free environment, away from direct sunlight and extreme temperatures.
• Ensure the air supply is disconnected before storing.

7. Troubleshooting

If you encounter issues with your Einhell TC-PW 340, refer to the table below for common problems and solutions.

8. Technical Specifications

Detailed specifications for the Einhell TC-PW 340 Compressed Air Impact Wrench:

Figure 11: The maximum torque output of the impact wrench is 340 Newton-meters.

Figure 12: The tool operates efficiently at a maximum air pressure of 6.3 bar.

Figure 13: The impact wrench features a standard 1/2 inch square drive for compatibility with common sockets.

9. Warranty and Customer Support

Einhell products are manufactured to high-quality standards and undergo strict quality controls. This product is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Einhell website. For technical assistance, spare parts, or any other inquiries, please contact Einhell customer support through their official channels.