How do you adjust the carburetor on a Poulan chainsaw?
Insert a small flat-head screwdriver into the idle speed screw and turn it clockwise to increase the engine speed if it idles too slowly. As soon as the chain starts to move, turn the screw counterclockwise until the engine idles without dying and the chain stops moving for the correct idle speed.
Why does my Poulan chainsaw only run 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.
Why does my chainsaw shut off when I pull the trigger?
An engine stalls when it’s getting too much or not enough fuel from the carburetor. Stihl chainsaw carburetors usually have three adjustment screws: one each for idle, low speed and high speed. If the saw is stalling when you pull the throttle trigger or it doesn’t reach its full power, adjust the high-speed (H) screw.
How do you troubleshoot a Poulan chainsaw?
Poulan Pro Chainsaw Troubleshooting
- Make sure you are starting the engine properly.
- Fill the tank with the correct fuel mixture.
- Clean the saw blade.
- Check the fuel line for kinks or leaks.
- Replace the fuel filter.
- Clean the air filter.
- Remove and replace the spark plug.
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.
1 Answer. Re: How to adjust carb on a poulan chain saw. Turn in the “L” screw until lightly seated, back out 2 turns. Turn in the “H” until lightly seated and back out 1 1/2 turns. Your dealer should then set the carburetor for rpms and idle.
What tool to adjust Craftsman carb?
The only other tool you need to adjust a Craftsman chainsaw carburetor is a flat-head screwdriver. It’s important to size the screwdriver correctly; if the tip is too thick, it won’t fit in the screws and you could end up stripping the heads.
How does a chainsaw carburetor work?
The carburetor on a chain saw is pretty simple, as carbs go, but it’s not entirely uncomplicated. The job of the carb is to accurately meter extremely tiny quantities of fuel and mix it with the air entering the engine so that the engine runs properly.