Metabo KHEV 8-45 BL Operating Instructions

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Year 2018

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Metabo KHEV 8-45 BL Hammer Specification

The Metabo KHEV 8-45 BL is a high-performance rotary hammer designed for demanding construction and demolition tasks. It features a robust brushless motor that delivers a maximum impact energy of 12.2 joules, ensuring efficient drilling and chiseling in concrete, stone, and masonry. The tool is equipped with a SDS-max tool holder, facilitating quick and secure bit changes to enhance workflow efficiency. It operates in three modes: drilling, hammer drilling, and chiseling, providing versatility for various applications.

The hammer's no-load speed ranges from 240 to 480 RPM, while the impact rate is adjustable between 1,380 to 2,760 BPM, allowing users to tailor the performance to specific tasks. It incorporates Metabo's VibraTech (MVT) system, which significantly reduces vibration levels to protect the operator from fatigue, enhancing comfort during extended use. Additionally, the electronic soft start ensures smooth operation, gradually ramping up to full speed to prevent bit walking and increase control.

Weighing in at approximately 8.8 kilograms without accessories, the KHEV 8-45 BL is designed for ease of handling without compromising on power. The hammer is powered by a 1,500-watt motor that operates efficiently even under heavy loads, ensuring durability and reliability. Safety is prioritized with features like an electronic safety shutdown that activates in case of a sudden bit jam, preventing kickback and protecting both the user and the tool.

Overall, the Metabo KHEV 8-45 BL combines power, safety, and ergonomic design, making it an ideal choice for professional users seeking a durable and adaptable tool for intensive drilling and chiseling tasks.

Metabo KHEV 8-45 BL Hammer F.A.Q.

What is the optimal way to use the Metabo KHEV 8-45 BL Hammer for chiseling?

To use the Metabo KHEV 8-45 BL Hammer for chiseling, first select the appropriate chisel bit. Ensure the tool is set to the chiseling mode. Hold the tool firmly and maintain a steady pressure to allow the tool to do the work efficiently.

How do I troubleshoot if the hammer drill is not starting?

Check the power supply and ensure the tool is plugged in securely. Inspect the power cord for any damage. Also, verify that the switch is functioning properly and check the carbon brushes for wear.

What maintenance steps should be followed to ensure the longevity of the Metabo hammer?

Regularly clean the tool by removing dust and debris. Lubricate the moving parts as per the manufacturer's instructions. Periodically check and replace worn-out parts like carbon brushes. Store the tool in a dry place.

How can I change the drill bit on the Metabo KHEV 8-45 BL Hammer?

To change the drill bit, first ensure the tool is powered off and unplugged. Pull back the chuck sleeve, insert the new bit, and release the sleeve to secure the bit in place.

What should I do if the hammer drill overheats during use?

Stop using the tool immediately and allow it to cool down. Check for any blockages in the ventilation slots and ensure the tool is not overloaded. Use the hammer intermittently to prevent overheating.

Which safety precautions should be observed when operating the Metabo hammer?

Always wear appropriate personal protective equipment such as safety goggles, gloves, and ear protection. Ensure the work area is clear of hazards and maintain a firm grip on the tool during operation.

How can I maximize the performance of the Metabo KHEV 8-45 BL Hammer?

Use the correct accessories and settings for each task. Regular maintenance, such as cleaning and lubrication, will also help maintain optimal performance. Avoid overloading the tool and follow the manufacturer's guidelines.

What could cause excessive vibration when using the hammer drill?

Excessive vibration can be caused by worn out or improperly installed drill bits, or by using the tool on unsuitable surfaces. Check the bit and replace or adjust as necessary.

How often should the carbon brushes be checked or replaced?

Carbon brushes should be inspected every 50 hours of use. Replace them if they are worn beyond the recommended limit or if the tool's performance is noticeably reduced.

Can the Metabo KHEV 8-45 BL Hammer be used for drilling into metal surfaces?

The Metabo KHEV 8-45 BL Hammer is primarily designed for concrete and masonry. For drilling into metal, use a suitable metal drill bit and ensure the tool is set to the correct mode.