Husqvarna H455E Parts Manual

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Year 2017

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Husqvarna H455E Chainsaw Specification

The Husqvarna H455E Chainsaw is a robust and efficient tool designed for both professional and occasional use, offering a blend of power, durability, and user-friendly features. It is equipped with a 55.5cc X-Torq® engine, which provides high torque over a wide rpm range while reducing fuel consumption and emissions, making it an environmentally conscious choice. The chainsaw features a 20-inch bar length, ideal for a variety of cutting tasks, from felling trees to cutting firewood.

One of its notable features is the Smart Start® technology, which ensures that the chainsaw starts quickly with minimal effort. The air purge system further facilitates easy starting by removing air from the carburetor and fuel system. The ergonomic design incorporates a LowVib® anti-vibration system to reduce operator fatigue during extended use, ensuring comfort and control.

The H455E includes an inertia-activated chain brake for enhanced safety, providing automatic stopping in case of kickback. The side-mounted chain tensioner simplifies adjustments, allowing for quick and easy maintenance. The quick-release air filter facilitates easy cleaning and replacement, contributing to prolonged engine life. Additionally, the chainsaw is designed with a transparent fuel indicator to help users monitor fuel levels efficiently.

Constructed with a durable crankcase and a three-piece crankshaft, the H455E is built to withstand challenging working conditions. Its overall design emphasizes reliability and ease of use, making it suitable for a wide range of applications. The Husqvarna H455E Chainsaw combines advanced engineering with practical features, offering a powerful yet manageable solution for cutting needs.

Husqvarna H455E Chainsaw F.A.Q.

How do I start the Husqvarna H455E chainsaw?

To start the Husqvarna H455E chainsaw, ensure the chain brake is engaged, set the choke to the start position, and pull the starter handle until the engine fires. Then, push the choke back and continue pulling until the engine starts.

What is the proper way to maintain the chainsaw chain?

Regularly inspect the chain for wear and sharpen it using a round file. Ensure proper tension by adjusting the tensioning screw so the chain fits snugly against the bar but can still be pulled around by hand.

How do I troubleshoot a chainsaw that won't start?

Check the fuel level, ensure the spark plug is clean and functional, and verify that the air filter is not clogged. Make sure the choke is in the correct position for starting.

What type of fuel should I use for the Husqvarna H455E chainsaw?

Use a high-quality 2-stroke engine oil mixed with unleaded gasoline at a ratio of 50:1. Ensure the fuel is fresh and properly mixed before use.

How often should I clean the air filter?

Clean the air filter after every 5 hours of operation or more frequently in dusty conditions. Remove the filter, wash it in warm soapy water, and let it dry completely before reinstalling.

What safety precautions should I take when using the chainsaw?

Wear protective clothing, including gloves, goggles, ear protection, and sturdy boots. Ensure the chain brake is engaged when not cutting and maintain a firm grip on the saw at all times.

How do I adjust the chain tension on the Husqvarna H455E?

Loosen the bar nuts slightly, then use the chain tensioning screw to adjust the tension. The chain should fit snugly against the underside of the bar but still move freely. Tighten the bar nuts after adjustment.

What should I do if the chainsaw is overheating?

Ensure the air intake and cooling fins are clean and not blocked. Check the chain lubrication and ensure proper tension. If the problem persists, consult a professional service technician.

How do I replace the spark plug on the Husqvarna H455E?

Remove the spark plug cover, unscrew the old spark plug using a spark plug wrench, and replace it with a new one of the same type. Ensure it is properly gapped and securely tightened.

What is the recommended bar and chain oil for this chainsaw?

Use high-quality bar and chain oil specifically formulated for chainsaws. This oil provides the necessary lubrication to minimize friction and wear on the bar and chain.