Question: How To Adfust A Stihl Fc 55 Edger Carburetor?

How do I reset my Stihl carburetor?

Return a type A carburetor to its factory setting by turning the “H” screw counterclockwise until it stops, turning the “L” screw clockwise until it is seated, then backing it off one full turn.

How do you adjust the idle on a Stihl weedeater?

How to Adjust the Idle on a Weed Eater

  1. Place the Weed Eater trimmer on a workbench or other flat surface.
  2. Locate the idle speed adjustment screw situated to the side and slightly behind the air filter.
  3. Turn the adjustment screw to the right, or clockwise, to increase the engine idle speed.

Why does my Stihl trimmer keep cutting out?

The trimmer can sputter and stall if it isn’t getting enough fuel, and that can happen simply because the fuel filter is dirty. Fuel filters are inexpensive, and it’s more practical to replace a dirty one than it is to try to clean it. On most models, it’s in the gas tank or on the cap.

Is it illegal to own a carburetor adjustment tool?

it is illegal by EPA regulations to sell carburetor adjusting tools and illegal to buy them unless you are a servicing dealer.

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How do you adjust H and L screws on a carburetor?

Set the idle speed screw(not L or H) so it is just able to idle by itself. This screw will have a “stop” it rests against. Now turn the L screw out until in decreases in rpm and then back in(very slowly) until it is at peak rpm. Adjust the H screw once more as above and it should be a very serviceable 2 stroke.

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).

Should trimmer head spins at idle?

A string trimmer uses the same clutch mechanism as a chainsaw to prevent the working part of the tool from spinning when the engine is idling. If the clutch isn’t working properly and the string won’t stop turning, the tool can be dangerous — it could damage something or even cause injury.

How do you adjust a high and low carburetor?

Locate the two fuel-adjustment screws on the side of the carburetor. One will be labeled “Hi” and the other “Lo.” The “Hi” screw regulates the engine at full throttle and the “Lo” regulates the fuel when the engine is idling.

Why does my Stihl edger won’t stay running?

If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. The fuel filter might be clogged. A clogged fuel filter is often caused by leaving fuel in the edger for a long period of time.

Why does my trimmer dies when I give it gas?

Why does my weed eater die when giving it gas? The most common causes of a weed eater dying when throttled are fuel issues, insufficient air intake, or problems with the exhaust. You should follow the path that the fuel travels to identify the issue.

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What does the R stand for on Stihl?

R = STIHL RAPID™

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