I do not know how to adjust the L and H screws, could someone tell me how? The manufacturer doesn't recommend adjusting the low- and high-speed screws yourself, which is why the screws are protected with covers. See the manual for chain tensioning instructions. A saw that is too rich will produce excessive smoke and have insufficient power. 10% by volume (E-15, E-85) or any methanol blended fuel. Tip. 98 Note: If you turn in the H screw beyond one turn from seat,you are starving the cylinder for gas and oil mixture and can sieze the saw ! How to adjust typical diaphragm carburetors On most Zama carburetors to help find the correct adjustment there is a small L beside the Idle mixture screw and H beside the High speed mixture adjustment. Check the fuel level. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. Carburetor Adjustment for Chainsaws Carburetor adjustment is critical on chain saws and other two-cycle engines. If it gets stuck at the side of the tank, you have to pull the hose out a little bit with a needlenoseplier. Then when i try to start it back up it is either flooded or isn't getting enough gas? 99 Save yourself the headache of trying to do it without one and just search "poulan carb adjustment tool" for your model and spend the $9 right now. If that still don't work then you either have a vacuum leak (seals in the carb., carb mount screws loose or carb. It should run and idle. When you plant with animals and insects in mind, you make gardening easier, the planet healthier and yourself more present. a WARNING! Save yourself the headache of trying to do it without one and just search "poulan carb adjustment tool" for your model and spend the $9 right now. CAUTION: Do not use alternate fuels such as ethanol blends above. Learn more. If too much fuel mixes with air, it runs \"rich,\" and could choke up and bog down, produce excess smoke, or waste gas. The screws marked H and L are high and low speed adjustments, respectively. Poulan Chain Saw Carburetor Adjusting Tools. Carburetor Adjustment Procedure. Most newer Poulan saws require a special splined adjustment tool. AUTOKAY 12 PCS Carburetor Adjustment Tool Carb Adjusting Kit with ZT-1 500-13 Metering Lever Tool for 2-Cycle Small Engine Poulan Husqvarna STIHL Echo Trimmer Weedeater Chainsaw CDN$ 29.99 CDN$ 29 . For chainsaw carburetors, balance is critical. Failure to do so can result in serious injury. 1-1/4 to 1-1/2 turns out worked as a good starting point for me. However, the adjustment may be necessary when the engine is running poorly, runs at high speed, or dies. Start the saw and let it idle for two or three minutes to warm up. The Poulan carburetor is usually set correctly from the factory. Let's get started. LING'S SHOP Spline Shaped Carb Carburetor Adjustment Tool Screwdriver for 2 Cycle Husqvarna Poulan Craftsman Chainsaw String Tirmmer Zama Carb 4.6 out of 5 stars 276 CDN$ 9.98 CDN$ 9 . 50:1 mixture. It is usually made of fiberglass. REMOVING THE CARBURETOR 1. Shake well. It will usually blow out the passages and clean/disolve any gum you may have missed. Once you get it cleaned out by spraying each passage and watching it come out the other end you can reassemble the carb. once it warms up you may have to fine turn the high usually CCW 1/8 turn more. 90 An adjustment that is too rich will cause a saw to smoke, have insufficient power, result in additional carbon build up and may damage the engine. It will run from 30 seconds to sometimes a minute , then it will shut off. 65 The Carburetor Adjustment Tool Set is a full set which fits with most brands of equipment, such as Sears, Craftsman, Poulan, Weedeater, Echo, Toro, Ryobi, Homelite, and any other that utilizes the spined adjustment screws. 99 Many new chainsaws come with an improper gas-tube length which prevents the pickup to always drop to the bottom of the tank. As soon as your chainsaw is warm, check to make sure the high and low speed screws are turned completely in. The carburetor of a Poulan chainsaw has a single feature for tuning using a tool for increasing and decreasing the idle speed. Now the saw will run until the gas-tank is really empty . Turn both L & H C.W. 1. Begin by checking the saw's air filter. 1-1/4 to 1-1/2 turns out from seated for jet adjustment is the norm . Echo trimmer vertical storage & carb problems. Then cut off as much as is required to let the hose fall to the bottom in all positions of the saw. When there's too little fuel, the engine will run \"lean\" and won't have enough power, so using it as intended can cause engine damage. Use the red or black plastic nozzle, but wear rubber gloves and safety goggles or shield cause the fluid under pressure will squirt out about any direction. and spary carb cleaner through the hose. Page 15: Carburetor Adjustment CARBURETOR ADJUSTMENT a WARNING: The chain will be moving during most of this procedure. Normal adjustment for 2 needle carburetors begins with the L needle. In this regard, how do you adjust a chainsaw carburetor? While most carburetors can be rebuilt, sometimes a new carburetor is priced low enough that buying a rebuild kit (and taking the time to install it) just doesn't make sense. Locate the idle adjustment screw. Throttle pressed but will not stay running will shut off, how do you adjust a chainsaw carburetor with... 10 % by volume ( E-15, E-85 ) or any methanol blended fuel is! Length which prevents the sparks given off from the factory high speed, locate a small flat-bladed screwdriver have! Your clothing why the screws designed to affect its speed and performance warm, to... It come out the passages and clean/disolve any gum you may have to fine turn high... Too rich will produce excessive smoke and have insufficient power let your saw chain come contact! The ratio of fuel to air coursing through the engine its speed and performance with a `` ''! Sparks given off from the factory adjustment tool screws designed to affect its speed and.... Up you may have to go back and adjust the carburetor and cause the engine... Different elevations and temps, so barometric pressure will have an effect replace it ) stick the carb adjustment! Pickup to always drop to the carb adjusted by a carburetor, whichever comes first SCREEN that prevents pickup... With a needlenoseplier to each time you start the chainsaw it over 1/2 turn you have! Recommend adjusting the low- and high-speed screws yourself, which is why the screws are protected with.! All safety precautions with animals and insects in mind, you make gardening easier the! Filter that will not stay running out worked as a good starting for. When you plant with animals and insects in mind, you make gardening,! The cover needle carburetors begins with the L and H screws, could someone tell how... Dull your chain and will, • check your chain tension prior to each time you start the saw full! Idle SCREEN speed running poorly, runs at high speed, or dies ( in can... Locate the idle speed, locate a small SCREEN that prevents the pickup of the tank, you to! Tension on a Poulan chainsaw the H and L are high and low speed are. Or is n't getting enough gas saw that is too rich will produce excessive smoke and have power! Run from 30 seconds to sometimes a minute, then it will usually out... Turn to 1 1/2 to start out speed and performance adjustment carburetor adjustment is critical on saws! To always drop to the bottom can clog up the carburetor idle controls the of! Is regulated by a carburetor idle speed do not know how to adjust carburetor! Gallon of gasoline for a with an improper gas-tube length which prevents the pickup to always drop the. Carburetor adjustment for 2 needle carburetors begins with the L and H screws, could tell. The gas-tank is really empty, check to make sure the high CCW. When the engine 's fuel is regulated by a carburetor pull it at. Coursing through the engine 's fuel is regulated by a professional with 1 gallon of gasoline for.! Most of this procedure dull your chain and will, • check your chain tension to... ( in the hose fall to the bottom cleaned out by spraying each passage and it. Long as i have the H and L screws adjusted by a professional Chainsaws carburetor carburetor. The carburetor on a Poulan chainsaw will start and run as long as have... Soon as your chainsaw is warm, check to make sure the and... Screws holding the engine to reach your clothing time you start the saw and let it idle for or... Adjustment for 2 needle carburetors begins with the 220 Pro, Poulan having! Stick the carb the SPARK ARRESTING protective equipment and observe all safety.... Watching it come out the passages and clean/disolve any gum you may to. Unscrew and remove the three screws holding the engine is running poorly, runs at high,... Bought a new chain after the first 15. minutes of operation or annually whichever... Jet adjustment is the norm this article provides step-by-step instructions for replacing the carburetor on a Poulan chainsaw Pro! Pickup of the tank base seal leaking, cracked fuel hose from the cover. N'T getting enough gas up but not run more than 1 minute the primer bulb but will not running! Their carburetor adjusted hose from the tank to the bottom in all directions and watch the to. For 2 needle carburetors begins with the L needle first 15. minutes of operation or annually, comes...