When adjusting the carburetor, you need to place your Poulan chain saw on a flat level surface with the chain overhanging the surface, or move all items so it will not come into contact with anything. The chain is moving during the adjustment process, so you should wear personal protective gear including safety glasses, a long-sleeve shirt, long pants, closed-toe shoes and leather gloves.
In the same way as a carburetor on an automobile or other small engines works, a Poulan chain saw carburetor works in the same way. Before you can adjust the carburetor on your Poulan chainsaw, make sure it’s on a flat, level surface with the chain hanging over the edge, or clear the area of anything that might get in the way of the chain. If the engine is idling too slowly, insert a tiny flat-head screwdriver into the idling speed screw and crank it clockwise to boost the engine speed if necessary.
The most common question I have been asked lately was how to adjust the carburetor on a Poulan chainsaw. The special carburetor adjustment tool for a Poulan chainsaw can be purchased HERE ON AMAZON. The low-speed and high-speed jet screws need to be set at baseline to adjust a Poulan chainsaw carburetor. A Poulan chainsaw carburetor is much easier to adjust if you have access to a Tachometer. Now that you have the air filter clean, fresh fuel, and a good spark plug, you are ready to adjust the carburetor of your Poulan chainsaw. When adjusting the low-speed jet of the carburetor of a Poulan chainsaw start with the low-speed jet open 1.5 turns from closed. Wrapping Up. Adjusting the carburetor of a Poulan chainsaw can be done by just about anyone. Never exceed the specifications of the chainsaw manufactures maximum RPMs, doing so can damage your chainsaw.
how to adjust poulan chainsaw carburetor Related Question:
How do you adjust the high and low on a Poulan chainsaw?
High and Low Speed Adjustments Start the chain saw as you normally do and let it idle, making sure the chain does not touch anything. 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.
Why does my Poulan chainsaw dies when I give it gas?
The carburetor might be clogged. 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.
What are the L and H screws on chainsaw?
The letters on the screws represent High (H), Low (L) and Idle (T). The H screw regulates the Air/Fuel mix during high RPMs, while the L Screw does the same during low RPMs.
What is the H and L on a carburetor?
They are typically labeled L (low speed jet), H (high speed jet), and I (idler jet).
Why does my chainsaw dies when I give it throttle?
If the filter becomes clogged, not enough fuel will reach the engine for it to run properly. 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.
Why does my chainsaw stall when I pull the trigger?
If your Stihl chainsaw starts up with a reassuring puttering sound, but dies when you pull the throttle trigger, there likely is an issue with the fuel, but the carburetor could need adjustment. If the saw stalls while it’s idling, it’s almost surely a misadjusted carburetor.
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 adjust the idle on my Poulan Pro?
Clean the air filter before adjusting the carburetor fuel mixture because the mixture will be too rich if you do it with a dirty filter. Replace the filter, start the saw and turn the “T” screw counterclockwise to increase the fuel mixture and the idle speed; turning the screw counterclockwise decreases both.
What are the two adjustment screws on a carburetor?
There should be two screws on the front of the carburetor, which are used to adjust the air and fuel mixture. Often these look like flat-head screws and you can use a screwdriver to turn them, adjusting the amount of fuel and air mixing in the carb.
Why does my chainsaw idle fast?
The most probable – and easiest to fix – cause of chain rotation while the chainsaw engine idles is a poorly adjusted idle setting on the carburetor. The result is that too much fuel is delivered to the combustion chamber when the throttle is released, and the engine doesn’t really slow.
Why does my Poulan chainsaw only run on choke?
When your chainsaw only runs if the choke is on the problem, in most cases, is a result of fuel supply problems or a faulty carburetor. To fix the problem you should check and clean the fuel system and carburator.
Why does my chainsaw keep bogging down?
Many chainsaw operators first notice a problem with chainsaws bogging down when they’re using the chainsaw under load, and this is usually the result of poor air circulation. This issue is caused by a clogged air filter on the chainsaw. Remove the air filter from the chainsaw.
How do you reset a carburetor?
If the carburetor is new or has been rebuilt, you should set it to “factory” adjustment. You can do so by adjusting the idle mixture screws to 1.5-2 turns out, and the idle speed screw to 1-1.5 turns in. Warm the Engine Up. The engine’s running temperature directly correlates with proper air and fuel mixtures.