HURI Carburettor Adjusting Tool for 5300355-60/8 Husqvarna 135 140 235 236 240 435 Chainsaw Carburetor

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Then, turn it counterclockwise until the engine runs smoothly, and test the adjustment by squeezing the throttle trigger and noting smooth acceleration. Answer: If the carburetor of your Husqvarna chainsaw is entirely out of adjustment, you can reset it by first turning both the H and L screws clockwise as far as possible.

Carburetor Carb Adjustment Screwdriver Adjusting Tool for 2 Carburetor Carb Adjustment Screwdriver Adjusting Tool for 2

Next, adjust the I or T screw by turning it clockwise until the chain begins to move, then turn it counterclockwise until the chain stops moving. In case you have a Stihl chainsaw, you can also check out my article on Stihl chainsaw carburetor adjustment. The carburetor regulates the amount of fuel that flows into the engine, depending on the position of the throttle trigger. The adjustment screws are located on the motor housing near the pull rope, usually arranged in a triangle with two next to each other and a third above them.In conclusion, Husqvarna chainsaw users must know how to adjust the carburetor correctly for efficient fuel usage, smooth operation, and engine protection. But if you understand the common problems that can arise when adjusting it, you’ll be able to troubleshoot easily. Turn both the H and L screws clockwise as far as possible without forcing them, then rotate each screw clockwise 1 1/2 turns.

HURI Carburettor Adjusting Tool for 5300355-60/8 Husqvarna

Adjusting the idle speed screw controls the chainsaw’s RPM, while the high and low-speed screws regulate the fuel mixture for different engine speeds. Finally, adjust the H screw counterclockwise as far as possible without forcing it, then gradually turn it clockwise until the engine sounds smooth and accelerates effortlessly. The carburetor in a Husqvarna chainsaw mixes air and fuel in the proper ratio and supplies the mixture to the engine.One of the most common reasons that cause a Husqvarna chainsaw to stall or lag is improper carburetor adjustment. Work in a well-lit area: Sufficient lighting improves visibility and lowers the chances of making mistakes when adjusting the carburetor. This means adjusting the mixture and idle speed screws according to the manufacturer’s instructions.

Carburetor Adjustment Tool kit Compatible for 2 Savior 8Pcs Carburetor Adjustment Tool kit Compatible for 2

If you are crossing the compatible RPM with your chainsaw’s carburetor settings, it may cause permanent damage to the engine.

This should allow the engine to run without the throttle, and from there, you can fine-tune the adjustment. If the mixture is too rich, meaning there’s too much fuel, the combustion is incomplete, and the chainsaw will produce smoke.