Table of Contents
How do you adjust the H and L on a chainsaw?
How much slack should be in a chainsaw chain?
It should “give” about a 1/4 inch from the bar without much effort. Finally, while still holding up on the tip of the bar, tighten the bar nuts. Proper chainsaw chain tension is safer, it cuts better and it will extend the life of both your chainsaw and your chain.
What is the T screw on a chainsaw?
The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed. L Screw – With the chainsaw still running, take a screwdriver and turn the L screw clockwise. Keep turning it until the engine almost stops turning.
Why does my chainsaw dies when I give it gas?
Because your chainsaw will idle, but dies when it is revved up to full power, it means that the filter is only partially clogged; it will allow enough fuel to the engine to run on idle, but not enough to sustain full throttle. If the filter becomes clogged, not enough fuel will reach the engine for it to run properly.
Why does my chainsaw start and then stop?
A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall.
How do I know if my chainsaw chain is tight enough?
The chainsaw chain should feel snug but still pull freely. Finally, perform a “snap” test to ensure proper saw chain tension. Simply pull the chain on the underside of the guide bar down so one or two drive links are out of the guide bar rails and release it. The chain should snap directly into position.
Why does chainsaw cut in a curve?
Two main reasons will cause the chain to cut on a curve. The most common reason is from improper hand filing. If one side of the teeth is more heavily damaged, sharpening them down will make them smaller than the other side.
Why does the chain slip on my chainsaw?
Chainsaw chains come off the bar due to worn-out bars, worn-out sprockets, and wrongly set tension. You should also note that with continued use, chains lose their tension and hence are more likely to come off the bar when you least expect it.
How do I stop my chainsaw chain from stretching?
Every chainsaw has a tension screw that’s located at or close to the base of the chainsaw bar. If you want to tighten the chain, turn the tension screw clockwise. If you want to loosen up the chain, turn the tension chain counterclockwise.
How do you start a chainsaw that won’t start?
To solve this problem, open the spark plug hole with it facing away from you to drain all the fuel in the tank. Deactivate the choke by pushing in the control then pull the starter cord 6-8 times as you press in the throttle control. Dry off the spark plug and refit it back in place.
How do you adjust a Stihl carburetor?
Turn the H screw clockwise with a carburetor adjustment tool until the head is spinning as fast as it will go, then back off the screw carefully until the RPMs start to decrease. Turn the screw slowly clockwise again until the engine once again just starts to pick up speed.
Why does my chainsaw bog down when I hit the throttle?
If your chainsaw is bogging down when you give it throttle, this is often a sign of improper gas-to-oil ratio. If there is too much gasoline in relation to the amount of oil used, this is known as a “rich mixture” and can cause the chainsaw to run poorly.
Why does my chainsaw only runs on choke?
If your chainsaw only runs with the choke on, it is likely an issue with your carburetor. If the carburetor is plugged, the engine will be starved of fuel and will not run. However, if the engine is plugged, the choke will pull more fuel through the carburetor’s idle circuit and allow it to run.
What happens when you run straight gas in a chainsaw?
If straight gas is used, it can damage and ruin the piston and crankcase within a minute, as the gas doesn’t take long to burn out these sensitive parts. Drain the tank immediately into a separate fuel container.
Why does my Stihl chainsaw bog down?
The Job of the Carburetor Without the right amount of air and fuel in the piston cylinder, the 2-cycle engine in a Stihl chain saw runs inefficiently and the saw loses power. When the saw bogs down during cutting, it’s usually the high-speed screw you need to adjust.
Why would a chainsaw stop?
Correctly venting your chainsaws oil tank will allow air into the tank, and avoid a vacuum from occurring. The air is then drawn into the tank through the one-way valve breather to fill the space, and equalizes the pressure.
How often do you need to sharpen a chainsaw?
In most cases, sharpening the chain should happen after ten times of being in use, while in other situations, you have to sharpen it after every session.
Why does my chainsaw go blunt quickly?
What is this? Many chainsaw enthusiasts have noted that their blades dull faster when they’re cutting muddy wood. If the logs that you’re cutting up are muddy, then perhaps that is the sole reason why your blade is dulling too fast. It won’t be hard to notice whether the wood that you’re cutting is dirty or not.
Do chains stretch on chainsaws?
Chainsaw chains stretch during normal operation and begin to sag on a saw’s guide bar. If a chainsaw chain is allowed to become too loose, it can easily come off the bar during operation and create an unsafe situation for the user. Chainsaw chain tension should be checked and tightened often.
