Why does my Weedeater only run on choke?
When your trimmer starts and runs on choke, it could be because the check valve in the gas cap is clogged. Start the trimmer and gently unscrew the gas cap halfway off. Turn the choke off and assess. If the engine is still running, that means the gas cap may be the culprit.
How do you adjust carburetor on trimmer?
How to Adjust the Carburetor on a Weed Eater
- Locate the two fuel-adjustment screws on the side of the carburetor.
- Tighten the screws with a small Phillips screwdriver to position the needle end of the screws into the “jets” of the carburetor.
- Adjust the screws.
How to properly adjust a Stihl 55 Trimmer carburetor?
It is necessary to find the highest idle speed. Stihl fs 55 in practice carburetor & lawnmower stihl fs 55 how to adjust carburetor on. To do this, slowly unscrew the screw (L) to the right and to the left. To adjust, turn the screw a quarter turn without fail counterclockwise. Bottom (T). is responsible for adjusting the engine at idle.
Can you adjust the carburetor on a chainsaw?
If you can adjust a chainsaw carburetor, you can adjust a Stihl string trimmer carburetor, because the procedure is almost exactly the same. Stihl trimmer carburetors are preset at the factory, but it’s common for them to fall out of adjustment after heavy use.
How does the H screw work on a Stihl string trimmer?
The H screw controls the mixture when the trimmer is operating at full throttle, and the LA screw adjusts the idle mixture. Set the trimmer on a flat surface with the trimmer head hanging over the edge so it can spin.
What’s the adjustment tool on a Stihl weed trimmer?
Stihl supplies an adjustment tool with every FS 80 that is designed to help you accomplish this task. Mount the FS cutting tool, power tool attachment or combination tool (Stihl calls it a CombiTool).