Maintenance, General, Carburetor adjustment

MAINTENANCE

General

The user must only carry out the maintenance and service work described in this manual. More extensive work must be carried out by an authorised service workshop.

Carburetor adjustment

Your Husqvarna product has been designed and manufactured to speciﬁcations that reduce harmful emissions.

Function

•The carburetor governs the engine’s speed via the throttle control. Air and fuel are mixed in the carburetor. The air/fuel mixture is adjustable. Correct adjustment is essential to get the best performance from the machine.

•The T-screw regulates the throttle setting at idle speed. If the T-screw is turned clockwise this gives a higher idle speed; turning it anti-clockwise gives a lower idle speed.

Basic settings and running in

The basic carburetor settings are adjusted during testing at the factory. Fine adjustment should be carried out by a skilled technician.

Rec. idle speed: See the Technical data section.

Fine adjustment of the idling speed T

Adjust the idle speed with the T-screw. If it is necessary to re-adjust, turn the T-screw clockwise while the engine is running, until the chain starts to rotate. Then turn counter- clockwise until the chain stops. A correctly adjusted idle speed setting occurs when the engine runs smoothly in every position. It should also be good margin to the rpm when the chain starts to rotate.

WARNING! Contact your servicing

! dealer, if the idle speed setting cannot be adjusted so that the chain stops at idle. Do not use the chain saw until it has been properly adjusted or repaired.

Correctly adjusted carburetor

When the carburetor is correctly adjusted the machine accelerates without hesitation and the machine 4-cycles a little at max. speed. It is also important that the chain does not rotate at idle. If the L-jet is set too lean it may cause starting difﬁculties and poor acceleration. If the H-jet is set too lean the machine will have less power, poor acceleration and could suffer damage to the engine.

Checking, maintaining and servicing chain saw safety equipment

Note! All servicing and repair work on the machine requires special training. This is especially true of the machine′s safety equipment. If your machine fails any of the checks described below we recommend you to contact our servicing dealer.

Chain brake and front hand guard

Checking brake band wear

Brush off any wood dust, resin and dirt from the chain brake and clutch drum. Dirt and wear can impair operation of the brake.

Regularly check that the brake band is at least 0.024 inch (0.6 mm) thick at its thinnest point.

Checking the front hand guard

Make sure the front hand guard is not damaged and that there are no visible defects such as cracks.

Move the front hand guard forwards and back to make sure it moves freely and that it is securely anchored to the clutch cover.

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

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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.

Husqvarna 435 manual Maintenance, General, Carburetor adjustment

Models: 435