The best way to adjust the carburetor is to reset ... Weed Eater Owners Manual; Anyone have any idea how to adjust these screws? These two screws Need factory setting (turns of needle screw from fully closed position) for carb mixture screw for Craftsman Weedwacker model 358.795140. When the engine is tested at the factory the carburetor is set to obtain a slightly richer mixture to ensure that the cylinder bore and the bearings receive additional To adjust your carburetor you will need to find the two fuel adjustment screws on the carburetor body. On most engines, I think the procedure is close to the following. Best Answer: Air screw is spring loaded and fuel adjustment is a simple screw,Screw in(clockwise) the air screw and the speed will rev.up until you reach max.Then turn clockwise on the fuel screw until the machine almost die off then quickly back up (anticlockwise)1 1/2 to 1 3/4 turns.Finally back off(anticlockwise) the air Which of the two adjustment screws Air screw is spring loaded and fuel adjustment is a simple screw,Screw in(clockwise) the air screw and the speed will rev.up until you reach max.Then turn clockwise on the fuel screw until the machine almost die off then quickly back up (anticlockwise)1 1/2 to 1 3/4 turns.Finally back off(anticlockwise) the air screw until the ideal speed is attained. Step 8: The high screws and low screws should be adjusted bit by bit. Carburetor Set Up and Lean Best Idle Adjustment: Base line Settings. For the right mix of fuel, it may be necessary to turn the screws until they stop. Weedeater mixture screws how to adjust Weedeater mixture screws - adjust? Corrections to the setting of the high speed adjusting screw may be carried out only if an accurate tachometer is available to check the maximum engine speed of 13,000 rpm. By Weed Eater Guy Posted in Weed Eater Questions, 25cc-engine-hard-to-start, adjusting-mixture-screws-on-2-cycle, adjusting-mixture-screws Speed Screw 1 to 11/2 turns. 2 Mix 1 gallon of unleaded gas and a 3.2-ounce bottle of two-cycle oil in a gas can. Weedeater mixture screws how to adjust Weedeater mixture screws - adjust? Adjusting the carburetor so that it functions properly for the ... don't know about the trimmer RE: Craftsman weedeater carb adjustment screws? There should be a rich mixture of fuel at sea level, typically making it easier to ignite. LJN Blog Posts. Then turn the TAS screw or idle There is a soft plastic plug that has to be pulled to access the screw heads. All Posts; ... Tweet. Others commenters may want to refine some of this. This Site Might Help You. High screw should be adjusted when revving up the machine while the low screw should be adjusted when the machine is idling. How do I adjust the air fuel mix on a Craftsman weedwacker mod 358791032? Turn the Ryobi weed eater over to drain the gas from the tank into the bucket. If the carburetor is too far out of adjustment to run, or has been disassembled, start with turning the L and H all the way in and then open 2 turns on each needle. How to Adjust a Carburetor. The high speed adjustment is on the body of the carb. Check out the photo: http://i799.photo Tweak it bit by bit. The trimmer typically will have three adjustment screws on the back of the engine. idle engine down, and readjust idle mix screw using same procedure. 3-Start engine and allow to run at high idle until warm 2-3 minutes Low Speed adjustment 1-Slowly turn LO adjustment screw clockwise and note the posistion when engine speed To achieve this, turn the high speed and low speed adjusting screws clockwise. The idle adjustment controls the idle speed while not turning the trimmer head. Tells me it needs more fuel. ... Other carburetors may have a 4 corner idle mix adjustment (4 idle mixture screws). The trimmer typically will have three adjustment screws on the back of the engine. ... to learn how to adjust the carburetor ... and low speed adjusting screws clockwise. This site is ... how do i adjust the idle screws on a stihl weedeater? This adjustment controls the fuel flow to the low speed or idle circuit. Whereas the LO screw allows the fuel adjustment when the engine is idling. You will need this particular tool to adjust the screws on the carburetor. ... How to Adjust the Fuel Mixture on My Poulan Pro Chain Saw. Locate the high speed and low speed adjusting screws on the side of the Stihl weedeater. They have a weird head on em that makes it difficult to adjust. Setting these screws on a regular basis will ensure you keep the proper fuel and air mixture running through the carburetor and engine. When I started it today it started right up but I couldn't get it to run out of choke. How to Adjust the Carburetor on a Poulan Trimmer; ... Insert the screwdriver into the idle adjusting screw. ... How to Adjust the Fuel Mixture on My Poulan Pro Chain Saw. Solve Idling Issues. 3. PRO. 1-Turn HI and LO Adjustment screws clockwise until they seat lightly in the carburator body. also adjust idle stop screw to set idle rpm. Anyone have any idea how to adjust these screws? A small diameter sheet metal screw can be used to pull the plug. Normal adjustment for 2 needle carburetors begins with the L needle. In order to provide extra fuel, restrict the flow of air to the carburetor by turning both the high speed and low speed adjusting screws counterclockwise. Carburetor Adjustment on 2-Stroke String Trimmers ... your engine and adjust your mixture screws once ... they fit on the ends of the weed trimmer carb set screws. Have a Poulan Pro gas trimmer that needs almost full choke to keep running. Mixture Screw 2 turns. How to Adjust the Carburetor on a Stihl Weedeater. How to Adjust the Carburetor on a Poulan Trimmer; ... Insert the screwdriver into the idle adjusting screw. The screws are splined and not slotted, after all. Weed Eater World. Your settings with engine running At high altitude, a Stihl trimmer requires a lean mixture, which provides a low amount of fuel to the engine. World's leading marketplace. The screws are highlighted as HI and LO. I bought this weedeater this spring and used it once. mixture adjustment. Craftsman gas weedeater will run but not How do I adjust the air fuel mix on a Craftsman weedwacker mod 358791032? The best way to adjust the carburetor is to reset ... Weed Eater Owners Manual; They have a weird head on em that makes it difficult to adjust. How to adjust your Ryobi carburettor mixture screws. The carburetor adjustment screws set this mixture, and these screws, located on the engine, can vibrate loose over time. Simply speaking the HI screw allows the fuel adjustment of the weedeater at full throttle. 2-Turn LO adjustment screw counter-clockwise one turn. Find best value and selection for your Carb-adjusting-screwdriver-craftsman-weedeater- search on eBay. To adjust the carburetor of a weed eater, the owner must look for the two fuel adjustment screws that are located on the body of the carburetor. Check out the photo: http://i799.photo