Repair instructions

Choke control – refitting

First reattach the choke control to the air filter, then press it onto the carburettor so that the clips engage.

Then refit:

•stop switch

•carburettor into its rubber mountings

•throttle pushrod into the fuel tank and connect to throttle lever.

•lift the spring arm over the throttle pushrod

•fuel hose to the carburettor

•air filter and cylinder cover

Throttle lock, throttle trigger and return spring – removal

1

B

A

C

Remove the throttle lock by pressing it to the left

(A)and carefully levering it up with a screwdriver on the clutch side (B) of the saw to disengage the lugs on either side of the throttle lock from the fuel tank. When both lugs are clear of the tank, pull the lock backwards (C).

2

A B

C

Drive out the steel pin using a 2.5 mm/0.1" diam- eter drift (A). Push it out from the flywheel side of the saw. Remove the throttle trigger by first press- ing it towards the clutch side of the saw (B) until it clicks, then towards the flywheel side until it clicks again. Remove it from the tank and lift out the return spring.

Cleaning and inspection

•Clean and inspect all parts carefully. If there are any cracks or other defects replace the damaged parts with new ones. Always use original parts.

•Lubricate the throttle lock with oil.

•Check that the spring is not broken and has not lost its tension.

Throttle lock, throttle trigger and return spring – refitting

1

A

Refit the return spring to the throttle trigger as shown. Make sure the spring is correctly positioned by engaging one end in the slot in the throttle trigger (A).

2

First insert the rear edge of the throttle trigger into the tank. Then push/clip the front edge into the two clips on the tank with the aid of a combination tool, for example. Drive in the steel pin from the clutch side. Use a 2.5 mm/0.1" diameter drift.

3

Then press down the return spring while pressing the throttle lock forwards/upwards into the retaining clip in the fuel tank until you hear a click. Release the return spring in the throttle lock, then press the lock down onto the tank.

4

Check the operation of the throttle lock by trying to press the throttle trigger without pressing down the throttle lock. Also check that the throttle lock and throttle trigger return freely to their original posi- tions when released.

English – 17

Page 17 Page 19
Page 18
Image 18
Husqvarna 340, 345, 346XP,350, 351, 353 Choke control refitting, Throttle lock, throttle trigger and return spring removal
Page 17 Page 19

340, 345, 346XP,350, 351, 353 specifications

Husqvarna is renowned for its high-quality chainsaws, and the Husqvarna 340, 345, 346XP, 350, 351, and 353 models are no exceptions. These models have garnered a reputation among both professional and amateur users for their reliability, durability, and cutting performance.

The Husqvarna 340 is an entry-level model designed for homeowners and light-duty tasks. It features a 40cc engine that provides a good balance of power and weight, making it easy to handle during extended use. The 340 is equipped with low-vibration technology, significantly reducing operator fatigue and making it suitable for less experienced users.

The Husqvarna 345 is slightly more powerful than the 340, boasting a 45.7cc engine. This model is ideal for users who require a bit more power for medium-duty tasks. It incorporates the air injection system, which helps to separate larger debris before it reaches the air filter, prolonging the life of the filter and maintaining optimal performance.

Moving up the range, the Husqvarna 346XP is a powerful professional chainsaw tailored for demanding tasks. With a 50.2cc engine and the X-Torq engine technology, it provides high cutting performance while reducing fuel consumption and emissions. The 346XP features an adjustable oil pump that allows for precise lubrication, making it an excellent choice for commercial users.

The Husqvarna 350 shares similarities with the 346XP but is designed for users who need a well-rounded saw for various applications. Its 50.2cc engine delivers ample power, and the ergonomically designed handle provides comfort during prolonged use. The chainsaw's advanced starting system ensures easy ignition, even in challenging conditions.

The 351 is another versatile option, equipped with a 50cc engine, designed for both professional and home use. It emphasizes user comfort and ease of handling. The compact design combined with features such as an efficient air filtration system makes the 351 suitable for long hours of work.

Lastly, the Husqvarna 353 is a heavy-duty model that excels in performance and longevity. It has a 50cc engine and incorporates various safety features, including a chain brake and throttle lock, to ensure safe operation. The saw also utilizes the unique anti-vibration system, minimizing vibrations that can lead to user fatigue.

In summary, the Husqvarna 340, 345, 346XP, 350, 351, and 353 models each offer distinct features catering to a wide range of users. From homeowners tackling light tasks to professionals requiring rugged performance, these chainsaws showcase Husqvarna's commitment to quality, innovation, and user-centric design.
Top Page Image Contents