A chainsaw not idling properly can be caused by several factors, including a carburetor issue, dirty air filter, low fuel level, clogged fuel line, worn spark plug, broken linkage, improper valve clearances, ignition system issue, and/or insufficient compression.
Most commonly, a chainsaw not idling properly is caused by a dirty air filter or fuel system issue, such as clogged fuel lines or low fuel level, which can be easily remedied by cleaning the air filter or refilling the fuel tank.
Additionally, a worn spark plug can prevent a chainsaw from idling properly, and should be replaced before attempting any other form of repair.
In more extreme cases, a chainsaw may not idle as a result of a broken linkage, improper valve clearances, ignition system issue, or insufficient compression. In these circumstances, it’s recommended that you contact a trained service technician to identify and address the underlying problem.
How do you fix a Poulan chainsaw that won’t stay running?
To fix a Poulan chainsaw that won’t stay running, it is best to first assess the problem and try to determine the root cause. If the engine simply starts and stops shortly after, the fuel-air mixture needs to be checked.
It could be that the carburetor is not delivering the right mixture of air and fuel, or the fuel filter needs to be replaced. If possible, check the spark plug and adjust the gap if necessary. Consider replacing the spark plug if it appears to be faulty.
Checking the internal components, such as the valves and valve springs, is also a good idea. Make sure these components are working properly and that there is no dirt or debris clogging the components.
If the components appear to be in order, make sure the saw is properly lubricated and that the chain is not running too slowly.
Finally, make sure the ignition system is in good condition. Check the ignition coil, wires, and coil gap. If any of these components appear to be faulty, they should be replaced. This is a more complicated fix and professional help may be needed.
The key to fixing a Poulan chainsaw that won’t stay running is to identify and troubleshoot the underlying issue with care and precision. If done properly, the chainsaw should run again normally and serve its purpose until it needs servicing.
Why does my Poulan chainsaw keeps stalling?
Firstly, the spark plug may be faulty or the spark plug gap may have been set incorrectly. Secondly, the air filter may be dirty or clogged, preventing the engine from getting enough air to run properly.
Another potential cause is a blockage in the carburetor, either from an old fuel mix or from debris that has gotten into the carburetor. Additionally, the carburetor may have been adjusted incorrectly, resulting in a fuel/air mixture that is too rich for the engine to run properly.
Finally, the fuel filter may be blocked, preventing fuel flow to the carburetor. If the chainsaw stalls, check these components first before taking the saw to a repair shop.
Why does my chainsaw dies when I let off the gas?
Your saw likely dies when you let off the gas because of a few potential issues. The first is that you may have a problem with the fuel/air mixture. This is likely the most common issue, and happens when the ratio of fuel and air is not in balance, which can cause the engine to become clogged or flooded, resulting in a loss of power.
Additionally, it could be that the spark plug is bad and needs to be replaced. This component often corrodes and wears out over time, causing the chain saw to not fire off properly, resulting in a loss of power.
Lastly, the carburetor may be clogged or need to be adjusted, as a clogged carburetor can reduce the amount of air and fuel going into the engine, making it difficult to keep running. In any of these cases, it is best to consult a professional to ensure the proper repair is done.
How do you adjust the air and fuel on a Poulan chainsaw?
Adjusting the air and fuel on a Poulan chainsaw is a relatively easy task. You will need to access the carburetor, which is located under the air filter cover on the saw. Once the cover has been removed, you can access the carburetor fuel screws and air mixture screws.
The air mixture screws are often labeled High and Low, but may be identified with the letters H and L instead. If necessary, refer to the chainsaw’s owner’s manual for exact placement. With a standard flat-head screwdriver, turn the screws until the chainsaw starts and runs smoothly.
The screws must be adjusted in combination, usually two-and-a-half turns apart to ensure an even mixture of air and fuel.
Next, adjust the fuel screws. These are usually labeled with the letters “L” and “H” and they control the idle and top-end mixture. To adjust the fuel screws, turn the screws counterclockwise until the engine speed is close to the idle speed indicated in the Poulan chainsaw’s user manual.
Then turn the screws slightly, no more than one-and-a-half turns, clockwise until the engine speed increases. This will ensure the correct amount of fuel is getting to the engine.
Once the adjustments are complete, replace the air filter cover and start the chainsaw to test for proper operation. If the saw is hesitating or running erratically after adjusting the air and fuel, repeat the steps until the engine runs smoothly and consistently.
How do you know if your chainsaw sprocket is worn out?
Generally, if a chainsaw sprocket is worn out it will cause the chain to be unbalanced. If you have been using the same chain on your chainsaw for a while and you notice that the chain moves erratically or jumps when you’re using it, or if you find that you have to repeatedly adjust the tension of your chain, then the sprocket may be worn out.
If you notice that the chain is running slower than usual, the sprocket could also be worn out. Additionally, if you can visibly see any cracks, chips, or other damage on the sprocket, then it’s a sure sign the sprocket needs to be replaced.
If you are unsure, it is always best to consult a qualified chainsaw servicer or a professional for a more accurate assessment.
Why does the chain keep coming off my Stihl chainsaw?
The most common reasons involve a lack of proper tension, an improper bar-and-chain combination, and incorrect guide bar oil.
First, make sure that you are properly tensioning the chain. The chain should be tensioned with moderately firm hand pressure and should be held such that it does not move more than a quarter of an inch from the top of the bar groove.
If the chain is too loose, it will sag down into the bottom of the bar and potentially come off. To properly tension the chain, you need to use a chain breaker tool to add links or remove links, depending on the tension needed.
Another potential cause of the chain coming off your Stihl chainsaw is an improper bar-and-chain combination. It is important that the correct chain size is used for the length and type of guide bar on your saw.
Typically, longer guide bars require a wider chain and generally require more power to drive the chain. If you are using a chain size that is too small for your guide bar, it may not be able to remain in the groove on the bar.
Finally, incorrect bar and chain oil may also cause the chain to come off. The material used in the chain and guide bar require adequate lubrication provided by the correct type and amount of oil in order to prevent wear and keep the chain in the groove.
Too much oil can cause the chain to slip out of the groove while too little oil can also increase friction and cause it to slip out. Be sure to adjust the bar and chain oil to the manufacturer’s recommended settings and ensure you are providing enough oil to keep your saw operating at peak performance.
How do I know if my Stihl clutch is bad?
If the engine runs but the blades do not spin when you engage the blades, this could be an indication that your clutch has failed. Imbalance due to a failed clutch can also cause the engine to vibrate more than usual.
Additionally, if the clutch is damaged it may cause the blades to stop spinning as soon as they’re engaged or make it difficult to disengage the blades. Lastly, if you see smoke or some burning smell coming from the clutch, this could also be a sign that your Stihl clutch is bad and needs to be replaced.
If you think your Stihl clutch is bad, it is important to have it looked at by an experienced repair professional as soon as possible to prevent further damage.
What does chainsaw running lean mean?
Chainsaw running lean is a term used to describe an issue where the air and fuel ratio in a two-stroke engine is too high. When a chainsaw runs lean, it can cause the engine to misfire, run poorly, or not work at all.
To fix this issue, the carburetor must be adjusted to allow for more fuel to flow into the engine, which will bring the air/fuel ratio back to the right levels. If the carburetor adjustment does not work, the spark plug or fuel filter may need to be replaced.
Additionally, make sure that the air filter and air intake are not clogged or dirty as this can also cause a chainsaw to run lean. It’s important to take the necessary steps to address this issue so that the chainsaw is running correctly and safely.
How do you adjust a Poulan Pro carburetor?
The correct way to adjust a Poulan Pro carburetor is as follows:
1. Remove the air filter and spark plug.
2. Use a small flat screwdriver to turn the idle-speed screw clockwise until the engine starts to run smoothly.
3. Increase the engine speed with the throttle control lever.
4. Turn the high-speed screw clockwise with a small flat screwdriver until the engine runs at full speed.
5. Adjust the idle-speed screw until the engine runs at a steady speed with the throttle control lever in the idle position.
6. Reinstall the air filter and spark plug.
7. Operate the engine for a few minutes, and then repeat steps 2 through 6 until the engine runs smoothly.
Which way do I turn idle screw on chainsaw?
When adjusting the idle screw on a chainsaw, you should turn it clockwise to raise the idle speed and counterclockwise to lower the idle speed. To adjust the idle speed, first locate the idle speed screw, then start the chainsaw and let it run for a few minutes.
Using a flathead screwdriver, turn the idle speed screw clockwise or counterclockwise to achieve the desired idle rpm (usually around 3000 rpm). Make sure to turn the screw slowly while monitoring the idle speed and only make small adjustments at a time.
When the desired speed has been reached, turn the idle speed screw and tap the chainsaw lightly with your hand to make any fine adjustments, if necessary. Finally, turn off the chainsaw and check the idle speed to make sure that it’s still where you want it.
How do I get more power out of my chainsaw?
Getting more power out of your chainsaw requires maintenance of your saw and proper use. To maximize the power of your saw, make sure to keep it well-oiled and clean. Inspect the chain regularly, keeping it sharp and properly tensioned.
Ensure the air filter is not clogged, as this can reduce power output. Also, it’s important to use the right type of chain oil, as the wrong type can cause resistance in the chain, reducing power. Additionally, using the correct fuel for your saw is key for maximizing output.
Always use a proper mix of two-stroke oil with gasoline. Lastly, when using your chainsaw, make sure it’s not overly bogged down. Chainsaws are designed to cut wood quickly and smoothly, so pushing the saw too hard or using too much pressure can reduce the speed and power output.