Chainsaw idle tool

But, the contributions they offer are important and we need each of them in good working condition. There is no perfect machine in the world that runs without producing trouble.

A chainsaw is not an exception here. But, to get the best out of your chainsaw, you need to maintain and troubleshoot it when necessary. In this article, we will be discussing the probable reasons and required troubleshoot process. Read the article carefully to learn the troubleshooting procedure of your Husky!

A chainsaw engine has three basic modes, i. We need the idle mode to be activated when we take a minor interval between two cuts. The idle mode is important as it disengages the engine from running the saw chain. Moreover, the idle mode increases our safety chain by disengaging the saw chain. Several interlinked parts contribute to pass the fuel into the combustion chamber.

As a result, one or more parts of this series may fail the combustion chamber to get the required fuel.

So, we need to check each of them to figure out the faulty one. The chainsaw has a clutch plate that ensures the transformation of the engine from idle to working mode and vice versa. The spring gets the command from the clutch plate.

If the clutch spring gets broken, your chainsaw has no way to retain the idle position and eventually stalls. So, you need to check the clutch spring to see its condition. If the spring gets broken or its tension gets decreased, you need to replace the clutch spring.

If the clutch spring is ok or you replaced it with a new one, but the chainsaw stalls, move on to the next step. The spark plug is the only part that supplies the required spark to the combustion chamber. If the spark plug fails to provide necessary sparks at idle mode to keep alive the engine, the engine will stall. So, it is important to have the spark-plug in working condition. Furthermore, there is an arrestor that helps the combustion chamber to arrest the spark coming from the spark plug.

Like the spark plug, the arrestor also needs to be in working condition. Locate the spark plug and spark arrestor on your chainsaw.

Take out the spark plug and arrestor to see whether they are in good working condition. The arrestor is a pretty transparent layer of carbon clothing. If it is in good condition, you will be able to look through it. If it clogged, clean it using alcohol.

Check the spark plug for carbon blockage. Clean the spark plug with kerosene. If the spark plug or arrestor or both are not in good condition, you need to replace them. Place both the parts into their respective positions. Give your chainsaw a functional test run. If it still stalls at idle, move on to the next step. To minimize the loudness and to save the environment from sound pollution, modern chainsaws are equipped with a muffler bearing.

The muffler bearing is positioned into the muffler of the chainsaw exhaust. A faulty muffler bearing, in most cases, partially clogged the way through which exhausted air comes out.

Thus, the engine cannot pass through the exhausted hot air and eventually dies. So, you need to take out the muffler bearing. Visually check the bearing and the guide rails of the exhaust. Clean the bearing and the path of the exhaust. If the bearing is worn out, replace it with a serviceable one. Now, give the chainsaw a functional run to see whether the problem persists.

If the problem remains, move on to the next step. Inside the fuel tank, there is a fuel filter in the top edge of the fuel transferring pipe. The job of the fuel filter is to filter the fuel and supply dirt and dust-free fuel into the combustion chamber. If the filter is bad, the combustion chamber gets bad fuel. Furthermore, a clogged fuel filter may supply little to no fuel into the chamber.

Take out the fuel filter using drift or plier. Different filters often have different care suggestions, but most of them are easily cleaned with warm, soapy water as soon as you tap off the excess dirt and particles. Most air filters typically last for a long time since they are designed to be durable. Once an air filter is clogged, all attempts to adjust your idle may be complicated.

It is recommended to clean air filters after five hours of run time. All gas chainsaws often have 3 adjusting screws on the carburetor, that can be accessed without having to remove any covers. The first adjuster is marked on the body cover with the letter L and it is the low throttle adjuster.

The second, which is the high throttle adjuster is marked with the letter H. These 2 adjusters are placed side by side as a pair and are set from the factory, hence they often require a special tool to adjust them. Yes, they can be adjusted, but it takes skills to adjust them correctly. The 3rd adjuster is the Idle screw adjuster, marked with the letter L or T or LA, and is often placed just above or below the other two adjusters.

This 3rd adjuster is the one we need to adjust. This is the whole point of the access ports. On right-handed chainsaws, the idle screw is often located on the left. Either tweak a single screw or three separate screws, but in both instances, the premise is usually the same. To easily locate your starting point, start up your chainsaw and keep a flat-head screwdriver close. The T-head screws are very sensitive to turning, so you should work with your flat screwdrivers at quarter-turn increments at most, making mental notes as you go.

On the other hand, if it is spinning too slowly, or jumps erratically when idling, then it is getting too little fuel and needs more. Always take mental note of the position of the screw when the saw runs lean or rich.

Three-screw carburetors are very tricky to tune, so you should be careful when adjusting the high-speed performance screw. This screw controls the general idle-speed, and tweaking the performance is very similar to that of the single-screw carburetor adjustment highlighted above. Begin by adjusting this screw as you would for the single-screw. This screw is very crucial as setting it too lean or too rich can cause serious damage to the engine. Turn the screws to know where the lean and rich points are, and then find a balance between them.

You should never have to open or close a timing screw completely to the maximum or minimum. If this happens, you should probably take the chainsaw to the shop for maintenance. Finally, you should test the performance while throttling and idling. Sharp and tight chainsaw chains provide an efficient and much smoother cutting performance. Due to their operational wear and tear, chains can elongate over time.

They can become loose and their