Hipa Carburetor Adjustment Tool Screwdriver 530035560 for 2 Cycle Poulan Homelite STHIL Husqvarna Echo Chainsaw Trimmer Lawn Mower Edger Husqvarna Adjustment Tool $5.21 $ 5 . 21 Get it as soon as Saturday, Apr 20CALU LUKY Carburetor Adjustment Tool kit for 2 Common Cycle Carburator Adjusting Small Engine Carb Tune up Adjusting Tool- Echo Poulan Husqvarna MTD Ryobi Homelite String Trimmer. $10.99 $ 10. 99. Get it as soon as Wednesday, May 15. In Stock. Sold by Pathfinder Auto and ships from Amazon Fulfillment.Step 1: Tune the high-speed airscrew. Remove the spark plug in the chainsaw and look for the screw located at the top of the spark plug cap. This is normally referred to as a “high-speed atmosphere screw” while some also call it an accelerator pump adjust. The rich speed airscrew will control the amount of air allowed to enter the fuel ...More recently produced Stihl chainsaws have an M-tronic engine management system that eliminates the need for carburetors. However, there are still many Stihl models on the market that require you to manually adjust the carburetor.. In this article, I will go over the step-by-step procedure for making a Stihl chainsaw carburetor …POULAN PRO CHAINSAW Model P4218A CARBURETOR adjustments. High and low mixture needle valve, quick fix without spending the large dollars. You'll need a $4 ...You can see the picture for the location of the idle mixture screws on the carburetor of Husqvarna 372XP chainsaw. Here are two methods for adjusting the idle mixture screws: In the beginning, you need to stick the left screw cap in using a “一” shaped screwdriver, which does not have a limiter cap, and turn it in or out.With summer getting into full swing, it's time to venture up to mountains and other higher elevations for vacations of all sorts. But the higher you get, the more your body hates i...In chainsaws, the carburetor consists of a venturi duct that helps draw fuel from the jets by forming a vacuum. The air/fuel mixture is then delivered to the engine and regulated by a throttle valve. A carburetor comes with adjustment screws that control the fuel flow in the jets. By adjusting these screws, the engine RPMs can be controlled.Adjusting the idle, low & high speed settings on 2 cycle small engine carburetors. Compatible with Husqvarna, Craftsman, Zama, Walbro, Ruixing, Huayi, Stihl, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt, Sears and more. Fits most 2-stroke small engine machines like string trimmers, chainsaws, leaf blowers, hedge trimmers, edgers, and pole pruners that use a carb tool.Step-by-Step Carburetor Adjustment. Locate the Carburetor Adjustment Screws: These are usually on the side of the chainsaw’s engine.Refer to your model’s manual for the exact location. Clean the Surrounding Area: Use a cloth and carb cleaner to remove any debris around the carburetor and adjustment screws. Adjust the Low …This is a quick video to show Echo chainsaw owners how to quickly modify the carb adjustment restriction caps so that that you can fully adjust your carburet...Jan 26, 2023 ... Share your videos with friends, family, and the world.Like most small engine carburetors, the one on the Stihl 021 chain saw has an adjustment for idle spee... How to Adjust the Carburetor on a Stihl 021 Chain Saw.Mar 22, 2023 · Do the same action to the L adjustment setting of the low-speed carburetor adjustment screw. Once again, unscrew the H setting or high-speed atmosphere screw by turning it slowly in the opposite direction. Repeat the same routine with the L setting. Now, it is time to start the saw as you usually do. To adjust a Craftsman chainsaw carburetor, locate the adjustment screws on the carburetor and adjust the idle, low speed, and high-speed settings for optimal performance. Craftsman chainsaw carburetor adjustment is an essential maintenance task to ensure the chainsaw operates efficiently and safely. By adjusting the …How to Adjust a Carburetor on a Stihl Chainsaw. If you’ve already carried out the pre-adjustment preparation, then you can proceed to adjust the Stihl chainsaw carburetor. It involves fine-tuning three screws: idle, low adjustment, and high adjustment. Here are the steps to adjust your Stihl chainsaw carburetor: Step 1: Determine the ...Step 1:First you need a flathead screwdriver that is small enough to fit through the adjustment holes. These are the holes on the carburetor in which you must insert the screwdriver to turn the adjustment screw. Clear the holes of any debris so that you can see the ends of the adjustment screws inside. Step 2:Before … See moreTurn both the low-speed jet and high-speed jet closed using the special adjustment tool. Raise the turns slowly and it’s recommended to stop reaching at 1.5 turns. Step 4. Low-speed jet adjustment. Now, adjust the low-speed jet (marked L on carburetor) to the desired point.Dec 13, 2023 · 3. High-Speed Adjustment Screw. Managing the fuel-air mixture at higher engine speeds, this screw fine-tunes the chainsaw’s performance during heavy cutting operations. Understanding how these components interplay and affect the overall performance of the chainsaw engine is crucial for successful carburetor adjustment. Carburetor Adjustment Tool, Upgraded 21-Teeth Splined Screwdriver, 2 Cycle Engine Tune Up Carb for Poulan, Husqvarna Weed Eater and Chainsaw. 4.6 out of 5 stars ... Kit 10 Pcs Screwdrivers for Common 2 Cycle Small Engine STIHL Poulan Husqvarna MTD Ryobi Homelite Trimmer Weed Eater Chainsaw Carb Tune up Adjusting Tool. 4.6 out of …Dec 12, 2023 · To adjust a Craftsman chainsaw carburetor, locate the high and low-speed mixture screws and the idle speed screw. Turn these screws precisely to fine-tune the fuel and air mixture and the engine’s idle speed. Tinkering with a chainsaw’s carburetor can be necessary for maintaining optimal performance. Achieving the correct balance of air and ... Carburetor adjustment must be done after the engine has run a little and heats up. Now let’s look at how the correct adjustment of the chainsaw carburetor goes in more detail. Almost all carburetor models have three adjusting screws. The screw (T) is responsible for fine tuning in idle mode. Screw (H) setting for maximum speed.STIHL 025 repair and carburetor adjustment. Fixing an old chainsaw to perform like new.Identifying the carburetor adjustment screws is an essential step. Here’s how to do it: Find the air filter cover and remove the screws using a screwdriver or wrench. Lift off the cover to see the carburetor assembly. Look for three small screws marked with “H,” “L,” and “LA.”.Short Answer. A chainsaw carburetor works by creating a mix of air and fuel that is then sent to the engine. The carburetor mixes the air and fuel in the correct ratio to ensure the engine has the right amount of fuel and air for combustion. The carburetor also allows the user to adjust the mixture ratio to ensure the engine is running efficiently.Like most small engine carburetors, the one on the Stihl 021 chain saw has an adjustment for idle spee... How to Adjust the Carburetor on a Stihl 021 Chain Saw.Sep 3, 2020 ... benefit from my youtube Chainsaw Carburetor Adjustment Screw Function Animation | Understanding Tuning Explained This unique video shows you ...Dec 11, 2023 · Start the chainsaw and let it warm up to its operating temperature. Adjust the idle speed screw until the chain stops moving, ensuring safety. Tune the low-speed and high-speed screws for optimal performance. During this process, listen to the engine’s sounds and observe its behavior. A well-adjusted carburetor should allow for a smooth ... Hipa Carburetor Adjustment Tool Screwdriver 530035560 for 2 Cycle Poulan Homelite STHIL Husqvarna Echo Chainsaw Trimmer Lawn Mower Edger Husqvarna Adjustment Tool $5.21 $ 5 . 21 Get it as soon as Saturday, Apr 20Oct 23, 2020 ... carb tool https://amzn.to/3wvfuTG todays t-shirt brought to you by YOUR NAME HERE https://amzn.to/30Ca7Bh if this video helped you donate a ...How to adjust Craftsman Chainsaw carburetor.Description. Warranty. Specifications. 8PCS Carburetor Adjustment Tool Kit for Common 2 Cycle Carburator Engine Black. The most complete carburetor tool set, all tools included to adjust and clean common 2 cycle carburetor engines. Fits most brands including Stihl and Husqvarna. Includes: 21-teeth Splined x1. Single D x1.In this video, I go over replacing the carburetor on my Husqvarna 235 chainsaw. After replacing the carb, It wanted to bogg down when cutting through a big l...Take the cover off the air filter by turning the knob counterclockwise and lifting it off. Remove the air filter and clean it with compressed air or by washing it with soapy water. If you wash it, wait for it to dry before reinstalling it and adjusting the carburetor. Take the cover off the muffler by unscrewing the screws that hold it with a ...A neighbor dropped off a Echo CS-590 saw that would start, but quickly die. The saw is only a year old, but I know that the old man has a habit of pulling off fuel filters as well as other "odd" practices. Checked the fuel filter and it was intact. Checked the air filter and it was brand new and...How to PROPERLY adjust and FINE TUNE your 2 Cycle chainsaw or trimmer.Thanks for tuning back into Chickanic! If you found this video helpful, please LIKE, S...Here’s a quick overview of the tools you’ll need to adjust your chainsaw’s carburetor: 1. A flat head screwdriver. This is used to adjust the idle speed screw and the high and low speed screws. 2. A cleaning cloth. This will be used to clean the air filter and spark plug. 3. An air filter cleaning kit.Mar 12, 2022 ... In this video, I'll attempt to explain one of the hardest and most Misunderstood tasks of owning an old Chainsaw - How to adjust the ...Apr 3, 2019 · Welcome to my youtube Chainsaw Carburetor Adjustment.Tuning a chainsaw involves adjusting the carburetor to optimize its performance. Typically, you adjust t... Step 1: Tune the high-speed airscrew. Remove the spark plug in the chainsaw and look for the screw located at the top of the spark plug cap. This is normally referred to as a “high-speed atmosphere screw” while some also call it an accelerator pump adjust. The rich speed airscrew will control the amount of air allowed to enter the fuel ...Nov 16, 2022 ... Here on my youtube chainsaw carburetor adjustment explanation, I show you the chainsaw carburetor settings, ad why they are actually needed!#Poulan #Pro #PP4218A #carbFinally picked up the carb adjusting toll kit I've been needing. The chain needs adjusted its way to tight on the bar. You don't w...Aug 7, 2019 · We'll show you how to quickly run through a few test with the saw and show you what adjustments to make to the carburetor to ensure your saw is running in tip-top shape! Tuning a chainsaw... To adjust the carburetor of a Husqvarna chainsaw, follow these steps: Firstly, locate the carburetor adjusting screws. Make sure the chainsaw is turned off and the engine is excellent. Place it on a stable surface. Next, find the low-speed fuel adjustment screw (marked “L”). Turn it clockwise until it lightly sits.Adjusting the carburetor on a 2-stroke engine can seem challenging, but in this video, I'll simplify the process. Whether you're working with Stihl, Honda, H...How to Adjust the Needles on a McCulloch Chainsaw. McCulloch gas chainsaws use a carburetor with needles that regulate the inflow of gas during different eng...May 2, 2024 · Step 1: Tune the high-speed airscrew. Remove the spark plug in the chainsaw and look for the screw located at the top of the spark plug cap. This is normally referred to as a “high-speed atmosphere screw” while some also call it an accelerator pump adjust. The rich speed airscrew will control the amount of air allowed to enter the fuel ... 1. Locate the air filter and remove it. On most cars, you'll need to remove the air filter to expose the carburetor and adjust it. Open the hood and make sure the engine is off before locating the air filter and removing the assembly. Unscrew the wing-nut and any other connectors, and then remove the air filter entirely.Adjusting the idle, low & high speed settings on 2 cycle small engine carburetors. Compatible with Husqvarna, Craftsman, Zama, Walbro, Ruixing, Huayi, Stihl, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt, Sears and more. Fits most 2-stroke small engine machines like string trimmers, chainsaws, leaf blowers, hedge …To adjust the carburetor on a chainsaw, start by locating the high and low adjustment screws on the saw’s body. Then, using a flat-head screwdriver, turn the …The main parts of a carburetor. Steps to take to tune a chainsaw carburetor. Check the chainsaw’s air filter. Open and fill the fuel tank. Measure your chainsaw RPM. Use different screw positions to tune idling speed. Finetune using your tachometer readings. General tips for chainsaw carburetor tuning. Conclusion.How to PROPERLY adjust and FINE TUNE your 2 Cycle chainsaw or trimmer.Thanks for tuning back into Chickanic! If you found this video helpful, please LIKE, S...Step 1. Check the air filter and clean it thoroughly (if needed). Adjusting the carburetor with the air filter clogged will be like adjusting the carburetor with the choke partially on. If you are adjusting your chainsaw with a dirty air filter, the chainsaw will likely run too lean when the filter is cleaned.Chainsaw Adjustment Screws . Chainsaw adjustment screws are one of the most important aspects of maintaining your saw. By making sure these screws are properly adjusted, you can keep your chainsaw running at its peak performance. There are three different types of adjustment screws on a chainsaw: idle speed, carburetor …Mastering carburetor adjustment transforms your chainsaw into a precision tool, ready for any task. Apply these expert tips, and you’ll not only achieve optimal performance but also develop a deeper understanding of your chainsaw’s behavior. Happy tuning! FAQs: Navigating the Ins and Outs of Chainsaw Carburetor AdjustmentWelcome to my youtube Chainsaw Carburetor Adjustment!Chainsaw Carburetor Tunning - Practice & Theory together - Unique video!Chainsaw wont rev up or throttle...In the vast world of chainsaw expertise, mastering the delicate art of carburetor tuning is a skill that separates the novices from the pros. If you find yourself pondering the question of how to tune a chainsaw carb, this in-depth guide is crafted just for you.Prepare to navigate the intricacies of carburetor adjustments and discover the …Husqvarna 137 Chainsaw Carburetor Adjustment. Welcome all lovers of “interesting and appropriate man’s toys “. Proper carburetor adjustment provides reliable carburettor performance in all conditions and economical fuel consumption. In general, if you remove the word “chainsaws”, it applies to all internal combustion engines.Step 2: Idle Speed Screw. Use a flathead screwdriver to turn the idle speed screw adjustment clockwise until it begins to choke off your engine at idle. This step adjusts how well your chainsaw idles under different conditions. Adjust this setting helps get rid of popping and stalling that occurs during use of changes in weather or petrol type.Aug 4, 2018 ... Comments1.2K · CORRECT WAY To Adjust Or Tune The Carburetor On A Chainsaw (Step-by-Step) · Husqvarna chainsaw won't stay running. · Husqvar...How to PROPERLY adjust and FINE TUNE your 2 Cycle chainsaw or trimmer.Thanks for tuning back into Chickanic! If you found this video helpful, please LIKE, S...You can do this from scratch by first adjusting the low speed needle 1/8th to 1/4th turn clockwise. If your chainsaw is still running lean, turn the low speed needle another 1/8th to 1/4th turn clockwise. Repeat this process until the saw runs smoothly. The chainsaw carburetor regulates the mixture of fuel and air in the engine.Hipa Carburetor Adjustment Tool Screwdriver 530035560 for 2 Cycle Poulan Homelite STHIL Husqvarna Echo Chainsaw Trimmer Lawn Mower Edger Husqvarna Adjustment Tool $5.21 $ 5 . 21 Get it as soon as Saturday, Apr 20May 2, 2024 · Step 1: Tune the high-speed airscrew. Remove the spark plug in the chainsaw and look for the screw located at the top of the spark plug cap. This is normally referred to as a “high-speed atmosphere screw” while some also call it an accelerator pump adjust. The rich speed airscrew will control the amount of air allowed to enter the fuel ... Oct 18, 2020 ... This is the first start of this old chainsaw! You also get to watch me adjust the low speed circuit of the carburetor!! Two for one video!!Brave volunteers need some guidance on how to prepare for, use and maintain a chainsaw during intense storm clean-up efforts. Expert Advice On Improving Your Home Videos Latest Vie...Step-by-step Adjustment Process. In the step-by-step adjustment process for tuning a craftsman chainsaw carburetor, it is important to start by locating the three adjustment screws. These are usually labeled as L, H, and T. The L screw controls the low-speed fuel mixture, while the H screw controls high-speed mixture, and the T screw …Dec 10, 2023 · Locate the Carburetor Adjustment Screws: The Stihl MS170 chainsaw has three carburetor adjustment screws labeled as “L” (low speed), “H” (high speed), and “LA” (idle). Start with the “L” Screw: This screw controls the mixture at low speed. Use the adjustment tool to turn the “L” screw clockwise until it lightly seats, then ... Before making any adjustments the following must be done 2. Check that 114 01 2003W12. Download manual for Husqvarna 340, 345, 346XP,350, 351, 353. Learn more about Carburettor - adjustment, Basic settings and running in, The factory settings are H = 1 turn and L = 1 turn, The recommended maximum speed must not be exceeded, Fine …1. Idle Speed Screw. This screw regulates the engine’s idle speed when the chainsaw is not engaged in cutting. Adjusting this screw allows precise control over idle …Welcome to my youtube Chainsaw Carburetor Adjustment!Chainsaw Carburetor Tunning - Practice & Theory together - Unique video!Chainsaw wont rev up or throttle...How to Adjust the Carburetor for a Craftsman Chainsaw. Craftsman manufactures a wide variety of small engine products, from leaf blowers and chainsaws up to ...A chainsaw’s carburetor works by combining air and fuel to generate the right fuel mixture for the engine. It has a fuel pipe attached to one side of a vertical air pipe. The middle of the pipe has a narrow kink called a venturi, through which the air passes as it moves through the pipe. As a result, the air pressure decreases, which induces ...4.2K. 431K views 5 years ago Two Stroke Engine Failure Causes. Welcome to my youtube Chainsaw Carburetor Adjustment. Tuning a chainsaw involves adjusting the carburetor to optimize its...Step 2: Idle Speed Screw. Use a flathead screwdriver to turn the idle speed screw adjustment clockwise until it begins to choke off your engine at idle. This step adjusts how well your chainsaw idles under different conditions. Adjust this setting helps get rid of popping and stalling that occurs during use of changes in weather or petrol type.Before making any adjustments the following must be done 2. Check that 114 01 2003W12. Download manual for Husqvarna 340, 345, 346XP,350, 351, 353. Learn more about Carburettor - adjustment, Basic settings and running in, The factory settings are H = 1 turn and L = 1 turn, The recommended maximum speed must not be exceeded, Fine …Aug 2, 2023 · To adjust the carburetor of a Husqvarna chainsaw, follow these steps: Firstly, locate the carburetor adjusting screws. Make sure the chainsaw is turned off and the engine is excellent. Place it on a stable surface. Next, find the low-speed fuel adjustment screw (marked “L”). Turn it clockwise until it lightly sits. How to tune a Poulan chainsaw carburetor.Step-by-Step Guide to Adjusting Husqvarna Chainsaw Carburetor. Step 1: Safety First. Step 2: Locating the Carburetor. Step 3: Cleaning the Air Filter and Spark Arrestor. Step 4: Adjusting the Low-Speed Fuel Adjustment Screw. Step 5: Adjusting the High-Speed Fuel Adjustment Screw. Step 6: Fine-Tuning the Idle Speed.In chainsaws, the carburetor consists of a venturi duct that helps draw fuel from the jets by forming a vacuum. The air/fuel mixture is then delivered to the engine and regulated by a throttle valve. A carburetor comes with adjustment screws that control the fuel flow in the jets. By adjusting these screws, the engine RPMs can be controlled.Follow the step-by-step guide, and learn to adjust the chainsaw carburetor: 1. Screw at High Speed. There is a high-speed atmosphere screw which is also known as an accelerator pump adjust found on the top of the spark plug cap. Typically, the rich-speed air screw is responsible for controlling the amount of air that enters the fuel injector.Method for Adjusting the Carburetor. For a proper adjustment, you start with the L screw, then move on to the T screw and finish with the H screw. The saw should be on a flat surface, and you should have easy access to the screws. Do not set the chain brake because you need the chain to spin to make a proper adjustment. Start the saw and adjust ...Mastering carburetor adjustment transforms your chainsaw into a precision tool, ready for any task. Apply these expert tips, and you’ll not only achieve optimal performance but also develop a deeper understanding of your chainsaw’s behavior. Happy tuning! FAQs: Navigating the Ins and Outs of Chainsaw Carburetor AdjustmentNov 16, 2022 ... Here on my youtube chainsaw carburetor adjustment explanation, I show you the chainsaw carburetor settings, ad why they are actually needed!The correct position of the Poulan Chainsaw Carburetor is under cover of next to the top of the engine. Use a T-27 screwdriver to access the adjustment screws found on the left side of the engine when facing you. They are three screws, two of which are protected by a plastic guard. Identify the scores marked “T” that handles fuel ...The first step in adjusting the Poulan chainsaw carburetor is to locate the low-speed and high-speed adjustment screws. These screws are usually located on the side of the carburetor and can be identified by the ‘L’ and ‘H’ markings. Begin by turning the low-speed screw until the engine idles smoothly, and then adjust the high-speed ...Adjusting the carburetor in this chainsaw is pretty simple and straightforward. Here are the steps: Warm up the chainsaw by running it for a few minutes. Locate the carburetor adjustment screws at the side of the carburetor. You should find three screws – the idle speed screw, the low-speed L screw, and the high-speed H screw.How to set the factory carburetor settings on a Husqvarna 51/55 Rancher chainsaw. How many turns to set the High, Low, and Ideal (T) screws.Jun 22, 2021 ... Comments25 ; Chainsaw Carburetor Tuning: The Ear Method · 97K views ; CARBURETOR ADJUSTMENT SCREWS on 2-Stroke - (How it actually Work Inside).Step 6. Locate the low speed adjusting screw on your McCulloch chainsaw's carburetor. Turn the low speed adjusting screw with the small screwdriver slowly clockwise until your hear the engine producing surging noises. Stop turning and rotate it counterclockwise until your hear the engine producing bubbling noises.
Dec 7, 2022 ... Comments57 · How To Actually Tune A Chainsaw! · Testing Husqvarna 435 After Adjusting the Carb - Field Adjustments · CORRECT WAY To Adjust Or T.... Rcschools calendar
The pandemic has changed the way we go about many of our daily activities. Parents especially have had to make major adjustments, as most have gone from working commuters to... Edi...Apr 21, 2024 · The first step in adjusting your Poulan chainsaw carburetor is to locate the adjustment screws. These are typically found near the air filter, and there are usually three screws labeled “L,” “H,” and “T” or “S.”. The “L” screw is for adjusting the low-speed fuel mixture, the “H” screw is for adjusting the high-speed fuel ... To adjust the carburetor on your Stihl chainsaw properly, follow these steps: Locate the Adjustment Screws: Find the H (high speed), L (low speed), and T (idle speed) screws on the carburetor. Initial Settings: Turn the H and L screws clockwise until they are lightly seated. Then, counterclockwise 1.5 turns for the initial settings.Aug 26, 2020 ... Chainsaw BOG DOWN - How I Tune a Chainsaw (You can to!) Welcome youtube Chainsaw Carburetor Adjustment. My Chainsaw was Bogging down when ...Owners can adjust a Briggs and Stratton carburetor by adjusting the idle screw located underneath the air filter. Adjusting the carburetor can help the machinery run smoothly and r...2.2K. 278K views 4 years ago. Tuning a chainsaw properly will help prolong the life of the saw, and help it work best for whatever jobs you have. We'll show you how to quickly run …MAINTENANCE. English – 31. General. The user must only carry out the maintenance and service work described in this manual. More extensive work must be carried out by an authorised service workshop.. Carburetor adjustment. Your Jonsered product has been designed and manufactured to specifications that reduce harmful exhaust fumes.. FunctionThe pandemic has changed the way we go about many of our daily activities. Parents especially have had to make major adjustments, as most have gone from working commuters to... Edi...2.2K. 278K views 4 years ago. Tuning a chainsaw properly will help prolong the life of the saw, and help it work best for whatever jobs you have. We'll show you how to quickly run … Mastering carburetor adjustment transforms your chainsaw into a precision tool, ready for any task. Apply these expert tips, and you’ll not only achieve optimal performance but also develop a deeper understanding of your chainsaw’s behavior. Happy tuning! FAQs: Navigating the Ins and Outs of Chainsaw Carburetor Adjustment Oct 23, 2020 ... carb tool https://amzn.to/3wvfuTG todays t-shirt brought to you by YOUR NAME HERE https://amzn.to/30Ca7Bh if this video helped you donate a ...Step 1: Adjust the ‘L’ Screw. Start your chainsaw and use the screwdriver intended for your carburetor screw to turn the L screw clockwise. Keep turning it until the engine nearly stops. Now, start turning the screw anticlockwise till the engine is running smoothly. You can check whether the adjustment is right by using the throttle.Mar 29, 2023 · Step 1: Adjust the ‘L’ Screw. Start your chainsaw and use the screwdriver intended for your carburetor screw to turn the L screw clockwise. Keep turning it until the engine nearly stops. Now, start turning the screw anticlockwise till the engine is running smoothly. You can check whether the adjustment is right by using the throttle. Follow the step-by-step guide, and learn to adjust the chainsaw carburetor: 1. Screw at High Speed. There is a high-speed atmosphere screw which is also known as an accelerator pump adjust found on the top of the spark plug cap. Typically, the rich-speed air screw is responsible for controlling the amount of air that enters the fuel injector.Step-by-Step Guide to Adjusting Husqvarna Chainsaw Carburetor. Step 1: Safety First. Step 2: Locating the Carburetor. Step 3: Cleaning the Air Filter and Spark Arrestor. Step 4: Adjusting the Low-Speed Fuel Adjustment Screw. Step 5: Adjusting the High-Speed Fuel Adjustment Screw. Step 6: Fine-Tuning the Idle Speed.Adjust the Homelite chainsaw carburetor by turning the high- and low-speed screws as needed. Set the high speed screw by adjusting the screw marked "H." Pull the trigger so that the throttle opens as wide as possible. Turn the screw to the left and note the engine performance. Stop turning the screw when the engine starts to make a high …To adjust the H and L settings on a chainsaw, follow these steps: 1. Locate the H (high-speed) and L (low-speed) screws on the carburetor. 2. Starting with the H screw, turn it clockwise to increase the fuel mixture or counterclockwise to decrease it. This adjusts the chainsaw’s high-speed performance..