Stihl HL 45 Instruction Manual

Pages 76

Year 2015

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Stihl HL 45 Specification

The Stihl HL 45 is a versatile and robust hedge trimmer designed for both residential and professional landscaping tasks. Powered by a 27.2 cc two-stroke engine, it delivers reliable performance with an output of approximately 0.75 kW, making it efficient for trimming and shaping hedges of varying densities. The trimmer is equipped with a long-reach shaft, extending up to 45 inches, which allows users to access and maintain tall or wide hedges without the need for ladders.

Its double-sided blade, measuring around 20 inches, ensures precise and clean cuts, enhancing the overall aesthetics of trimmed hedges. The blade operates at a cutting speed optimized for smooth operation, reducing the likelihood of jamming and enhancing productivity. Ergonomically designed, the HL 45 features a lightweight construction, weighing roughly 5.6 kg, which minimizes user fatigue during prolonged use. The trimmer includes an adjustable handle and an anti-vibration system, providing improved maneuverability and comfort.

For easy starting, the HL 45 incorporates Stihl's innovative starting technology, reducing the effort required to start the engine. It also features a semi-automatic choke lever and a fuel-efficient carburetor, contributing to lower emissions and reduced fuel consumption. Maintenance is streamlined with accessible filters and spark plug positions, ensuring the trimmer remains in optimal working condition with minimal downtime. The Stihl HL 45 is engineered to adhere to strict safety and environmental standards, offering users a reliable and eco-friendly solution for hedge maintenance tasks.

Stihl HL 45 F.A.Q.

How do I start my Stihl HL 45 hedge trimmer?

To start your Stihl HL 45, first ensure the fuel tank is filled with the correct fuel mix. Set the choke lever to the start position, press the primer bulb several times until fuel is visible, and pull the starter rope until the engine fires. After it starts, move the choke to the run position and allow the engine to warm up.

What is the recommended fuel mixture for the Stihl HL 45?

The Stihl HL 45 requires a 50:1 fuel mixture, which consists of 50 parts gasoline to 1 part 2-stroke engine oil. Use high-quality, unleaded gasoline and Stihl's 2-stroke engine oil for optimal performance.

Why won't my Stihl HL 45 start even though it has fuel?

If the Stihl HL 45 won't start, check the spark plug for fouling, clean or replace it if necessary. Ensure the air filter is clean and not clogged. Also, verify that the fuel is fresh and the carburetor is properly adjusted.

How often should I sharpen the blades on my HL 45 hedge trimmer?

Sharpen the blades of your Stihl HL 45 hedge trimmer every 50 hours of use or whenever you notice a decrease in cutting performance. Use a flat file or a sharpening stone, and ensure both blades are evenly sharpened.

What maintenance steps should I perform after each use of the Stihl HL 45?

After each use, clean the cutting blades with a brush and lubricate them with a resin-free oil. Check for any loose screws and tighten them. Clean the air filter and inspect the spark plug for any wear or carbon buildup.

Can the Stihl HL 45 be used in wet conditions?

While the Stihl HL 45 can handle some moisture, it is not recommended to use it in heavy rain or very wet conditions as this can lead to electrical issues and reduced performance. Always prioritize safety and wait for dry conditions if possible.

How do I adjust the carburetor on the Stihl HL 45?

To adjust the carburetor on the Stihl HL 45, locate the adjustment screws marked 'L', 'H', and 'LA'. Adjust the 'L' screw for low-speed fuel mixture and the 'H' screw for high-speed fuel mixture. The 'LA' screw adjusts the idle speed. Make small adjustments and test the engine between each one.

What should I do if the Stihl HL 45 vibrates excessively during operation?

Excessive vibration may be caused by an unbalanced blade, loose screws, or worn-out anti-vibration mounts. Check for any debris on the blades and ensure all screws are tight. If the issue persists, inspect the anti-vibration mounts and replace them if necessary.

How can I clean the air filter on my Stihl HL 45?

To clean the air filter, remove the air filter cover and take out the filter. Wash it in warm, soapy water and let it dry completely. If the filter is damaged or heavily soiled, replace it with a new one.

What is the best way to store the Stihl HL 45 during the off-season?

For off-season storage, empty the fuel tank and run the engine until it stops to clear the carburetor of fuel. Clean the entire unit, sharpen the blades, and lubricate them. Store the hedge trimmer in a dry, well-ventilated area away from direct sunlight or moisture.