MAINTENANCE

Spark plug

The spark plug condition is influenced by:

•Incorrect carburetor adjustment.

•An incorrect fuel mixture (too much or incorrect type of oil).

•A dirty air filter.

These factors cause deposits on the spark plug electrodes, which may result in operating problems and starting difficulties.

If the machine is low on power, difficult to start or runs poorly at idle speed: always check the spark plug first before taking any further action. If the spark plug is dirty, clean it and check that the electrode gap is 0.020 inch (0.5 mm). The spark plug should be replaced after about a month in operation or earlier if necessary.

Note! Always use the recommended spark plug type! Use of the wrong spark plug can damage the piston/cylinder. Check that the spark plug is fitted with a suppressor.

Lubricating the bar tip sprocket

Lubricate the bar tip sprocket each time you refuel. Use the special grease gun and a good quality bearing grease.

Needle bearing lubrication

The clutch drum has a needle bearing on the output shaft. This needle bearing must be lubricated regularly.

When lubricating, remove the clutch cover by loosening the two bar nuts. Lay the saw on its side with the clutch drum upwards.

Lubrication involves engine oil dripping into the centre of the clutch drum as it rotates.

Cooling system

To keep the working temperature as low as possible the machine is equipped with a cooling system.

The cooling system consists of:

1Air intake on the starter.

2Air guide plate.

3Fins on the flywheel.

4Cooling fins on the cylinder.

5Cylinder cover (directs cold air over the cylinder).

Clean the cooling system with a brush once a week, more often in demanding conditions. A dirty or blocked cooling system results in the machine overheating which causes damage to the piston and cylinder.

36 – English

115 10 82-95 Rev.2 2008-04-11

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Husqvarna 435 manual Spark plug, Lubricating the bar tip sprocket, Needle bearing lubrication, Cooling system
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435 specifications

The Husqvarna 435 is a powerful, efficient chainsaw designed for both homeowners and professionals seeking a reliable tool for cutting, trimming, and taking on various tasks in their outdoor spaces. It combines a lightweight design with high-performance technology, making it an ideal choice for anyone from the occasional user to those needing a dependable tool for frequent use.

One of the standout features of the Husqvarna 435 is its X-Torq engine. This innovative motor delivers impressive power while significantly reducing fuel consumption and emissions compared to traditional two-stroke engines. With an engine displacement of 40.9cc, it produces a robust performance that allows the user to tackle even challenging cutting jobs with ease.

The chainsaw's AutoTune technology is another noteworthy characteristic. This feature automatically adjusts the engine's settings for optimal performance according to the surrounding conditions, such as temperature, altitude, and humidity. AutoTune ensures that users can achieve maximum efficiency without the hassle of manual tuning, allowing for a more user-friendly experience.

The Husqvarna 435 also boasts an ergonomic design, featuring a lightweight body that weighs only 9.4 lbs. This design promotes ease of handling and reduces fatigue during extended usage, making it suitable for long days of work. The integrated air filter system helps keep the engine clean, prolonging its life and ensuring reliable performance over time.

Safety is paramount in chainsaw design, and the Husqvarna 435 comes equipped with several safety features. The chainsaw includes a chain brake that instantly stops the chain in the event of kickback, as well as a low-vibration system that minimizes operator fatigue while enhancing comfort. The transparent fuel tank allows for easy monitoring of fuel levels, preventing unexpected interruptions.

Additionally, the saw features an easy-to-access chain tensioning system that simplifies chain adjustments, ensuring optimal cutting efficiency. The combination of a tool-less chain tensioner and a quick-release air filter cover makes maintenance straightforward, saving time and effort for users.

In summary, the Husqvarna 435 is an excellent choice for those seeking a versatile chainsaw that balances power, efficiency, and safety. With advanced engine technology, ergonomic design, and user-friendly features, it stands out in the competitive market. Whether you're cutting firewood, trimming branches, or performing general landscaping tasks, the Husqvarna 435 proves to be a reliable and efficient companion.
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