Adjusting the Idle 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. You’ve achieved the proper fuel mixture when the engine idles smoothly but the chain doesn’t spin.

How do you adjust the fuel and air mixture on a Poulan Pro chainsaw?

Adjusting the Idle 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. You’ve achieved the proper fuel mixture when the engine idles smoothly but the chain doesn’t spin.

Why does my Poulan chainsaw keeps cutting off?

If the spark arrestor is clogged, the chainsaw may run stall or run rough. … This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor.

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 is my Poulan chainsaw bogging down?

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.

Can't get my Poulan chainsaw started?

If your Poulan chain saw won’t start, the first thing to check is the fuel. … Then turn the saw on, hold it firmly and pull the start rope in short, brisk pulls until it starts. If it doesn’t start within 15 pulls, the spark plug is likely wet-fouled. Remove it and check for moisture on the electrode.

Why does my chainsaw stall when I give it gas?

Carburetor Adjustment 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 stalls while it’s idling, adjusting the idle screw, which usually is marked LA, should help.

Why does my chainsaw dies at full throttle?

If your chainsaw engine dies at full throttle, check the following parts: the carburetor, fuel lines, fuel filter, air filter, and muffler. … When the carb becomes clogged (which is often the result of old fuel sitting in it over a long period of time, like over the winter), it will not perform this task effectively.

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.

Why does my chainsaw lose power?

1. Dull chain and or improper lubrication to the bar and chain, sharpen and or clean the bars oil holes. 2. Air filter and fuel filter for restrictions and contamination, clean or replace as needed.

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What size gas line does a Poulan chainsaw take?

Fuel Line Specifications. This is the replacement fuel line 25 Inch for several OPE products that use small engines. The fuel line carries fuel from the tank to the carburetor. Over time, the fuel line can become badly clogged, and it can become brittle as well.

How do I keep my chainsaw running?

1. Keep your Chain Sharp: Keeping your chain sharp is probably the easiest and most effective way to extend the life of your saw. …
2. Flip your Bar: …
3. Drain your Gas: …
4. Check your Sprocket: …
5. Keep a watchful Eye:

What does the T stand for on a 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. The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed.

How do I know if my chainsaw is running rich?

Running too rich will usually smoke and lack power, it will foul up spark plugs and smoke you out, but it shouldn’t kill the saw. If it’s running well and sounds like it allways has go with the “it’s not broken… ” theory. If it doesn’t seem right, stop using it and check / adjust it ( or get the shop to ).

Why is it so hard to start my chainsaw?

Old fuel collects moisture, making the fuel difficult to ignite. … It’s possible the engine is flooded with fuel. To clear excess fuel from the carburetor, place the choke lever in the Off position, hold the throttle trigger fully open and pull the starter rope 5 or 6 times. Try to start the chainsaw.

Why is my Poulan chainsaw flooding?

Does your chainsaw fail to start and you don’t know why? There could be various causes: incorrect fuel mixture, carburation not calibrated properly, or a wet spark plug. Neglecting to look after a chainsaw can lead to malfunctions such as flooding. …

How many fuel lines does a chainsaw have?

Most chainsaws have two fuel lines — one that feeds fuel into the carburetor and a return tube that allows unused fuel to flow back into the chainsaw gas tank. The return tube may be slightly larger in diameter than the tubing that feeds the fuel, or both tubes may be the same size.

Will a chainsaw run without a fuel filter?

Well as long as the lack of that fuel filter doesn’t cause leaking at the inlet connection, then yes it will run fine …. but only for as long as whatever the filter might have caught and preventing it from clogging jets and passages.

How can you tell if the fuel filter is bad?

Use a large straw or a small hose and apply it to one end of the fuel filter. Blow into the straw or hose. If your breath goes through with little resistance, your fuel filter is still in good condition. If you have a hard time blowing air through the fuel filter, then it is clogged and must be replaced.

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.