Metabo KHE 3250 Operating Instructions

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Year 2017

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Metabo KHE 3250 Hammer Specification

The Metabo KHE 3250 Hammer is a robust and versatile tool designed for heavy-duty drilling and chiseling applications. It features a powerful 800-watt motor capable of delivering up to 3.1 joules of impact energy, making it suitable for demanding tasks in concrete, masonry, and other tough materials. This hammer drill operates at a no-load speed of 0 to 1150 RPM and an impact rate of 0 to 4470 BPM, providing efficient performance across a range of applications. The KHE 3250 is equipped with Metabo's Vario (V)-Electronics, allowing users to tailor the speed to the material and application, enhancing precision and control.

The tool’s ergonomic design includes a vibration-dampening handle, which reduces user fatigue and improves comfort during extended use. The Metabo S-automatic safety clutch is a notable feature, providing protection by minimizing the risk of tool kickback if the drill bit jams unexpectedly. The hammer is designed with a robust aluminum die-cast gear housing for durability, ensuring it withstands challenging worksite conditions. The SDS-Plus chuck system allows for quick and easy bit changes without the need for additional tools, optimizing workflow efficiency.

A depth guide is integrated into the design, enabling precise drilling depths. Weighing approximately 3.5 kilograms, the Metabo KHE 3250 strikes a balance between power and portability, making it ideal for both professional contractors and serious DIY enthusiasts. Its versatility is further enhanced by three operational modes: hammer drilling, rotary drilling, and chiseling, facilitating a wide array of tasks. The Metabo KHE 3250 Hammer is engineered for reliability and high performance, making it a valuable addition to any toolkit.

Metabo KHE 3250 Hammer F.A.Q.

How do I change the drill bit on the Metabo KHE 3250 Hammer?

To change the drill bit, first ensure the tool is unplugged. Then, pull back the chuck sleeve and insert the new bit into the chuck. Release the sleeve to lock the bit in place.

What should I do if the hammer function is not working?

Check if the mode selector is set to the hammer function. If it is and the function still doesn't work, inspect the tool for any visible damage and consult the user manual for further troubleshooting steps.

How often should I perform maintenance on the Metabo KHE 3250 Hammer?

Regular maintenance should be performed every 6 months or after every 100 hours of use, whichever comes first. This includes cleaning the tool, inspecting for wear, and lubricating moving parts.

Can I use the Metabo KHE 3250 Hammer for chiseling?

Yes, the Metabo KHE 3250 Hammer can be used for chiseling. Ensure you switch to the chisel mode using the mode selector and use the appropriate chisel bit.

What type of lubricant should be used for maintaining the hammer?

Use a high-quality grease specifically designed for rotary hammers. Refer to the user manual for the recommended product by Metabo.

Why is the drill overheating during use?

Overheating can occur due to prolonged use without breaks, using the wrong type of bit, or insufficient lubrication. Allow the tool to cool down, check the bit compatibility, and ensure proper lubrication.

Is it possible to use the Metabo KHE 3250 Hammer on wood surfaces?

Yes, you can use the hammer on wood surfaces by switching to the drill mode and using appropriate wood drill bits.

How do I reduce vibration when using the hammer?

Ensure you are using the tool with both hands and that the anti-vibration features are engaged. Additionally, make sure you are using the correct bit for the material.

The power cord is damaged. How should I proceed?

If the power cord is damaged, do not use the tool. Replace the cord immediately or have it serviced by a qualified technician to avoid electrical hazards.

What should I do if the tool produces unusual noises?

Unusual noises could indicate internal damage or wear. Stop using the tool and inspect for any obvious signs of damage. If necessary, consult a professional technician for a thorough examination.