Husqvarna H455ERII Parts Manual

Husqvarna H455ERII Chainsaw manual cover

Pages 2

Year 2018

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Husqvarna H455ERII Chainsaw Specification

The Husqvarna H455ERII Chainsaw is a robust and efficient tool designed for both professional forestry work and demanding domestic use. It features a powerful 55.5cc X-Torq engine, which delivers high performance with reduced fuel consumption and lower exhaust emissions, meeting stringent environmental regulations. The chainsaw's engine produces a power output of 3.5 horsepower, enabling it to tackle tough cutting tasks with ease.

Ergonomically designed, the H455ERII boasts an ergonomic rear handle and low vibration technology, ensuring user comfort and reducing fatigue during prolonged use. The chainsaw includes a 20-inch bar, providing a substantial cutting capacity for various wood types and sizes. Its centrifugal air cleaning system effectively removes larger dust and debris particles before reaching the air filter, enhancing engine longevity and reducing maintenance frequency.

The quick-release air filter facilitates easy cleaning and replacement, while the automatic chain lubrication system ensures consistent performance and reduced wear on the cutting components. The chainsaw's Smart Start feature and combined choke/stop control simplify the starting procedure, minimizing the risk of engine flooding and making it easier to start in different conditions.

Safety is a paramount concern with the H455ERII, as evidenced by the inclusion of an inertia-activated chain brake, which reduces the likelihood of injury in the event of kickback. The side-mounted chain tensioner allows for quick and easy chain adjustments, enhancing operational efficiency. Overall, the Husqvarna H455ERII Chainsaw offers a combination of power, durability, and user-friendly features, making it a versatile tool for both professionals and homeowners.

Husqvarna H455ERII Chainsaw F.A.Q.

How do I start the Husqvarna H455ERII Chainsaw?

To start the Husqvarna H455ERII Chainsaw, ensure the chain brake is engaged. Set the choke control to the closed position, press the decompression valve, and pull the starter handle until the engine fires. Then, open the choke and continue to pull until the engine starts.

What is the recommended fuel mix for the Husqvarna H455ERII Chainsaw?

The recommended fuel mix for the Husqvarna H455ERII Chainsaw is a 50:1 ratio of unleaded gasoline to high-quality 2-stroke engine oil.

How can I troubleshoot if the chainsaw doesn’t start?

If the chainsaw doesn’t start, check the fuel level, ensure the choke is in the correct position, and verify the spark plug is working and properly gapped. Additionally, make sure the air filter is clean and the decompression valve is functioning.

How do I properly maintain the chain on my Husqvarna H455ERII?

Regularly check the chain tension and adjust it to be snug against the bar but still able to move freely. Sharpen the chain regularly with a round file, and ensure it is lubricated with bar and chain oil.

What should I do if the chainsaw chain is not cutting properly?

If the chain is not cutting properly, it may need sharpening. Ensure all cutters are of equal length and sharpen them with a round file. Also, check the rakers and adjust them if necessary.

How often should I replace the spark plug in my chainsaw?

Replace the spark plug in your Husqvarna H455ERII Chainsaw after approximately 100 hours of use, or if you notice difficulty starting the chainsaw. Always use the spark plug type recommended in the manual.

What type of bar and chain oil should I use?

It is recommended to use a high-quality, biodegradable bar and chain oil to effectively lubricate the chain and reduce wear. Ensure the oil is suitable for the operating temperature.

How do I clean the air filter on the Husqvarna H455ERII Chainsaw?

To clean the air filter, remove the top cover and take out the filter. Gently wash it in warm, soapy water and let it dry completely. Reinstall the filter and cover before using the chainsaw.

Why does my chainsaw stall during operation?

Stalling can be caused by a clogged fuel filter, incorrect carburetor settings, or a dirty air filter. Check and clean these components, and adjust the carburetor according to the manual.

How should I store my Husqvarna H455ERII Chainsaw when not in use?

To store the chainsaw, clean it thoroughly, drain the fuel system, and remove the chain and bar. Store in a dry place, away from direct sunlight and moisture. Consider using a protective case.