Stihl FH-KM Instruction Manual

Pages 44

Year 2020

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of 44

Stihl FH-KM Specification

The Stihl FH-KM is a versatile attachment designed for the Stihl KombiSystem, engineered to enhance landscaping efficiency and precision. This adjustable power scythe is intended for professionals seeking a reliable tool for trimming and edging in challenging terrains. The FH-KM features an adjustable head that allows for flexible positioning between 0 to 135 degrees, enabling precise cutting around obstacles and in tight spaces. The construction is robust, with high-quality materials ensuring durability and long-term performance in demanding environments.

Its cutting width is designed to handle both dense and delicate vegetation, making it suitable for various applications, from maintaining garden edges to clearing overgrown areas. The attachment's design emphasizes user comfort, incorporating ergonomic principles to reduce fatigue during extended use. It seamlessly integrates with the KombiMotor, providing a powerful and efficient operation while maintaining a lightweight profile for easy maneuverability.

Maintenance of the FH-KM is straightforward, with easy access to serviceable parts, ensuring minimal downtime. Safety features are also integrated, including a protective guard to shield the operator from debris. Compatibility with the Stihl KombiSystem ensures that users can effortlessly swap between different attachments, enhancing workflow flexibility. The FH-KM's design reflects Stihl's commitment to innovation and user-centric solutions, making it an indispensable tool for professional landscapers and garden enthusiasts seeking efficiency and precision.

Stihl FH-KM F.A.Q.

How do I start the Stihl FH-KM for the first time?

To start the Stihl FH-KM, ensure the unit is on a flat surface. Set the machine to 'start' mode, press the primer bulb several times until it is full, and pull the starter cord. Once the engine starts, allow it to warm up for a few seconds before use.

What should I do if the Stihl FH-KM does not start?

If the FH-KM does not start, check the fuel level and ensure it is fresh. Inspect the spark plug for wear or fouling, and clean or replace it if necessary. Verify that the air filter is clean and that all switches are in the correct position.

How can I maintain the blade of the Stihl FH-KM?

Regularly inspect the blade for damage or dullness. Sharpen the blade using a suitable file or grinding tool, ensuring the correct angle is maintained. Always clean the blade after use to prevent rust and corrosion.

What type of fuel is recommended for the Stihl FH-KM?

Use unleaded gasoline with a minimum octane rating of 89, mixed with high-quality 2-stroke engine oil at a ratio of 50:1. Avoid using gasoline with more than 10% ethanol content.

How often should I clean the air filter on the Stihl FH-KM?

The air filter should be checked and cleaned after every 10 hours of operation or more frequently in dusty conditions. Use warm, soapy water to clean the filter and allow it to dry completely before reinstalling.

What is the proper way to store the Stihl FH-KM when not in use?

Before storing the FH-KM, clean it thoroughly and remove any debris. Drain the fuel tank or add a fuel stabilizer to prevent degradation. Store the unit in a dry, cool place away from direct sunlight and sources of ignition.

How do I troubleshoot a Stihl FH-KM that runs but does not cut effectively?

If the unit runs but isn't cutting effectively, check if the blade is dull or damaged and sharpen or replace it as needed. Verify that the blade is properly attached and that there is no obstruction in the cutting path.

What should I do if the Stihl FH-KM vibrates excessively during operation?

Excessive vibration may indicate a loose or unbalanced blade. Inspect the blade for damage and ensure it is securely attached. Check all bolts and fasteners are tightened to the manufacturer’s specifications.

Can the Stihl FH-KM be used in wet conditions?

While the FH-KM is designed for various conditions, it is best to avoid using it in heavy rain or very wet conditions to prevent slipping and machine damage. Always ensure your safety and the integrity of the equipment.

How do I replace the spark plug on the Stihl FH-KM?

To replace the spark plug, first remove the spark plug boot. Use a spark plug wrench to unscrew the old plug. Check the gap on the new spark plug, then install it by hand to avoid cross-threading before tightening with the wrench. Reattach the spark plug boot securely.