5hp Briggs and Stratton. Back out These tools are readily available on Amazon and are always in stock. You have successfully adjusted the idle speed of your chainsaw. Good spark. The Poulan PRO chainsaw tune up kit conveniently combines the most easy adjustments, this battery-powered chainsaw will help you get more done. Engines that run at too high of a speed can be destroyed or run inefficiently. . For those unfamiliar with H and L screws, these are high-speed and low-speed adjustable jets for the carburetor function. Place chain over and behind clutch drum, fitting the drive links in the clutch drum sprocket. Once the baseline is set, adjust the low-speed screw until the chain stops turning at idle while the throttle remains responsive. Begin adjusting the carburetor on a Poulan chainsaw by undoing the retaining nut of the cover of the air filter by hand. Adjust low speed at idle . It is recommended that you never tamper with the high adjustment screw because it Common solutions for: Poulan Pro Chainsaw starts then stalls. For this, refer to the owners manual (or user manual). The best Poulan chainsaws can operate between 2800 and 3400 RPMs at idle and between 12000 and 12500 RPMs at full throttle. But if you set the idle speed screw too low, your, There are several reasons why your chainsaw dies after filling it with gas. Adjusting the Poulan chainsaw carburetor brings the highest perfection to your desired operation. How Tight Should a Chainsaw Chain Be? Walbro Carburetor Diagram WordPress com. Rotate the saws T-screw in a counterclockwise manner, allowing a slow-speed engine until you get to stop the chain completely. If you want something bigger than most chainsaws for regular homeowners, it might be worth checking out this model. Poulan Pro 40V battery chainsaws have a 4 year warranty. The adjustment procedure isnt different for them. Remove this cover with a T-27 screwdriver to access the adjustment screws, which are usually on the left side of the engine as viewed when holding the chain in front of you. If engine bogs when advancing Theyre throttle stop screws, low-speed fuel adjustment screws, and high-speed fuel adjustment screws. Find out about the correct fuel mixture for your chainsaw with this explanatory video.Shop here: http://www.trueshopping.co.uk/catalog/Chainsaws/3881.html To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. . There are three types of screws that control most of the activities of your Poulan chainsaw. Weight: 15.5lbs. Procedure for Carburetor Adjustment. But the most prevalent cause of this issue is improper carburetor [1] adjustment. Remember, if you set the idle screw too high, the saw chain moves continuously. Apply the special adjustment tool so that you can set both jets all the way closed. Locate the 3 different adjustment screws that are placed near the start cord on the chainsaw's body. 11. Start the engine and allow it to run for five minutes to warm. Next, start the chainsaw in a regular manner, Now, insert a flat-head screwdriver into the idle speed screw, Turn the instrument clockwise so that the engine speed increases, Keep turning the screw counterclockwise until the engine stops, After a while, the desired speed adjustment will be fixed, Your first task is to find the throttle stop screws from above the primer valve. To adjust the carburetor idle speed, locate the idle speed screw labeled with a "T" just above the primer bulb. Poulan chain saw instruction manual (22 pages) Chainsaw Poulan Pro 2300 AV Operator's Manual . Powered by a 50cc 2-cycle engine, the Poulan Pro PR5020 chainsaw is powerful and very easy to start and .. Apr 18, 2012 Start by locating the three adjustment screws. So it is a guessing game. I had it running but it wouldn't idle. Apart from that, other reasons include a bad gas mix and a dirty carburetor. The adjustments to it either make the fuel mixture richer, by adding more fuel and oil to the air mixture, or leaner, by reducing the fuel and oil mix ratio to air. The manufacturer doesn't recommend adjusting the low- and high-speed screws yourself, which is why the screws are protected with covers. Just tune em like any other. It Needs the carburetor cleaned before it will run.. Sep 9, 2019 597 Answers. $21.03. Well, the . In this case, the mixture should be leaner to prevent engine damage. In the manual that comes with the 220 Pro, Poulan recommends having all carburetor adjustments done by a technician. A stalling chainsaw engine can be caused by a few different scenarios. What is the starting adjustments after repair for a Poulan Pro chainsaw modal #PP4218a? Save up to 20% when you buy more. tool. This forte screw must be adjusted by utilizing a spline device. PP5020AV 2 WJA. If the end wears loose, use a PVC cutter and snip off an inch. 21 in Push 140 . Determine the low-speed jet (marked L on carburetor) and high-speed jet (marked H on carburetor) at first. Sawinery is a one-stop source for anything woodworking-related. link to How Tight Should a Chainsaw Chain Be? I have also seen the intakes crack on those a time or two. Carb Rebuilding Honda It may not display this or other websites correctly. Locate a tiny flat-bladed screwdriver before starting the saw. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. They are typically labeled L (low speed jet), H (high speed jet), and I (idler jet). The low-speed screw and high-speed screws need to be set at baseline to adjust a Poulan chainsaw carburetor. Put the saw on the ground and set the start switch to the "On" position. or Best Offer. The chainsaw carburetor works on the performance of its carb. I . 1. Shop great deals on Poulan Carburetor Chainsaw Parts. Step 2. It also has to work when you are trying to start the engine cold and the engine is wide open. Hold the saw in place on the . Your goal in painting your deck is to protect it from. Using the special adjustment tool, open both the low-speed jet (marked L on carburetor) and high-speed jet (marked H on carburetor) 1.5 turns from closed. Do this by turning the jets in a clockwise manner until you cant rotate them anymore. of 20 17. Also, if the fuel is bad, you must drain the tank and use gasoline for the engine. Follow the same manner of the low-speed adjustment for this operation. Never had an engine failure and I've never been happy with the factory settings. Run the saw at high speed for 3-5 minutes so that it is fully The chain is moving during the adjustment process, so you should wear personal protective gear including safety glasses, a long-sleeve shirt, long pants, closed-toe shoes and leather gloves. If the Poulan chainsaw engine runs sluggish, changing the amount of fuel is mandatory. With a 50 CC 2-cycle engine, Poulan pro-PR5020 is an exceptionally powerful chainsaw and is easy to operate as well. When it comes to sharpening, an electric sharpener is absolutely the best choice. - The Definitive Answer. I guess I should add that I could get the saw to run easily by shooting Seafoam spray in the venturi at first, but now I'm trying to get it to run w/o additive AND the cover on. You've achieved the proper fuel mixture when the engine idles smoothly but the chain doesn't spin. Yep a 40" tree, a hot day, maybe dull chain with a 40cc saw could be enough to smoke it. 2022 LawnMowerForum.com. Determine the low-speed jet (marked L on carburetor) and high-speed jet (marked H on carburetor) at first. If you turn the idle screw too far counterclockwise the chainsaw will die, so make sure you turn it just far enough for the chain to stop turning. The upper butterfly can be sticky and stick open, preventing a start. December 29, 2018 A Poulan chain saw carburetor has a single feature to adjust with a tool to increase or decrease the idle speed. You need to make sure you rotate the screw far enough to stop the chain from turning. If the adjustment is extremely lean, the engine will die too. Open as PDF. Otherwise, the adjustment isnt accurate. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'thetoolsgeek_com-leader-3','ezslot_14',110,'0','0'])};__ez_fad_position('div-gpt-ad-thetoolsgeek_com-leader-3-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'thetoolsgeek_com-leader-3','ezslot_15',110,'0','1'])};__ez_fad_position('div-gpt-ad-thetoolsgeek_com-leader-3-0_1'); .leader-3-multi-110{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:auto !important;margin-right:auto !important;margin-top:7px !important;max-width:100% !important;min-height:250px;padding:0;text-align:center !important;}Featured Post, How to adjust a Poulan chainsaw carburetor, Step 1: Understanding the chainsaw carburetor and its setting, Step 2. But youll need to use a special tool (tachometer) to get the job done efficiently. The H screw controls the air-fuel mixture of the high end of the chainsaws throttle response. Luckily, adjusting is not that tough if you know how to adjust a Poulan chainsaw carburetor properly. After starting the saw, modify the low jet until the chain stops or nearly stops while maintaining an active throttle. A basic procedure is to start the saw, turn the screw clockwise until the engine begins to stall for lack of fuel, then back the screw off until the engine stalls because it has too much fuel. Start the chain saw as you normally do and let it idle, making sure the chain does not touch anything. Register today and take advantage of membership benefits. If the engine runs sluggishly or stalls, you may have to change the amount of fuel the carburetor sprays into the combustion chamber; you do this by turning adjustment screws on the side of the carburetor. Step 1. If there's a blockage in the carburetor, try cleaning it using a carburetor cleaner. Any regular professional chain saw user will recommend against using a 20" bar on a 50cc saw, unless you have had yours ported and tuned by one of the many guys out there that can do magic on saws. With an experience of 11 years in this field, I can suggest the best tips for bigger DIYers. Carburetor Kit For Poulan Pro PP5020AV PP5020 PP5020AVX PP4818AV 50cc Chainsaw. Need factory settings for carburetor.. Apr 18, 2012 Start by locating the three adjustment screws. This post was edited by Rondoman on Thu, Jan 30, 14 at 7:11. Note: Different model Poulan chainsaws have different operating specifications in regards to idle speed and maximum allowed RPMs. The L and H adjustment screws on your chainsaw are for low-speed and high-speed carburetor adjustments. The carburetor is set correctly at the factory, but adjustments can be necessary if the engine runs poorly, dies or runs at a high speed. All Poulan Pro chain saws have two-stroke engines that take a mixture of gas and oil; the correct fuel/oil ratio is 40:1, or 3.2 ounces of oil per gallon of gasoline. If the spark arrestor is clogged, the chainsaw may run stall or run rough. Modifying the H and L screws affects the throttle performance of the chainsaw, as well as the low and high-end engine speed RPMs. Plus, it does nothing for the carb. Keihin Fcr 39 Manual Pdf WordPress com. 33 ratings. Then the low end occurs on the first trigger pull. If you cant determine the exact point, use the point where the chain stops turning. smooth. Make sure the following are present in your chainsaw before making any carburetor adjustments: Important Note: Your chainsaws engine runs poorly typically because of a clogged spark plug, contaminated fuel, or a dirty air filter. Ensure that your chainsaw lies on a flat surface and you hang the Poulan chain over the edge. With that information and suggestions, you can do really good professional work in a very short time. Hook up fuel lines properly. It may not display this or other websites correctly. Bar size: 20in bar and chain. Poulan PP442 Pro Gas Blower (3 Pack) Replacement Filter Assembly # 490192097-3PK. Apply the special adjustment tool so that you can set both jets all the way closed. Are Tsumura guide bars superior to stock guide bars? Please refer to your specific Poulan chainsaws owners manual for your chainsaws specifications. Carburetor For Craftsman Poulan Pro 20" 50CC chainsaw. So, the chainsaws engine will stop or stall if it cannot burn all of the gas. . Then, take out the cover and air filter, and clean the latter using soap and water. This is ideally powerful and will ensure that you complete your wielding on . Free shipping. Put some oil on the shaft and you are good to go. To adjust the carburetor on Poulan chainsaws, clean the air filter and the spark arrestor, and adjust the adjustment screws marked T, L and H to set the idle and engine speed. Powerful Performance. Adjusting the saw while cold may result in an overly Sponsored. Register today and take advantage of membership benefits. Completely disassembled it, cleaned it, replaced fuel line/filter, compression was just a tad over 100 PSI (not great, but should run), checked P&C which had no scoring (surprise). But if you set the idle speed screw too low, your Poulan chainsaw wouldnt idle and will eventually die. Here are the easy steps to understand both adjustments. If the adjustment is too rich, the desired RPM level cant be achieved. With throttle still at full and engine warm, turn high screw Unless you understand their working procedure, you can barely adjust the chainsaw. Robert Johnson is a woodworker who takes joy in sharing his passion for creating to the rest of the world. You can do this independently as long as you know what to do and how it must be done. 10. There is a letter stamped next to every screw. PLEASE REFER TO YOUR OWNER MANUAL FOR THE CORRECT RPMS. 3. The high and low-speed adjustment is all about controlling the engine speed. Lets get a quick overview of them. They can be bought from numerous retailers however are not promptly accessible from carburetor producers. Idle speed adjustment has two segments: one screw and three-screw idle speed adjustment. PR5020. To make things easier for you, our engineers will explain how to adjust the Poulan chainsaw carburetor in simple steps. If required, replace the filter. chainsaw bars. Hello, Im Jonathon Brewer, a professional woodworker and power tools salesperson. The consent submitted will only be used for data processing originating from this website. If the idle is set to low the chainsaw will not idle and will die. Starting system: Easy starting system reduces effort needed by 30%. When adjusting your chainsaw, be sure not to exceed the maximum allowed speed of idle and high-speed RPMs, as doing so can permanently damage your chainsaw. Adjustments may be. Free Poulan P3314 manuals! Factory renewed to original condition Poulan Pro PP4218AVX is an 18", A carburetor engine with a displacement of 36. Step 4: Warm the engine. On the one hand, youll need to tweak the T-Screw if the low-speed jet adjustment does not allow the chain to stop entirely at idle. Adjust the L screw to get the saw to idle correctly.the other screw that adjust the idle speed may also require adjustment . Never exceed the specifications of the chainsaw manufactures maximum RPMs, doing so can damage your chainsaw. The saw should start in this position. Carb is pulling fuel from tank when cranked. Always keep your eyes on the sharp edges so that they can damage your skin entirely. Poulan XXV/Craftsman 358.35504 Carb question, echo 301 341 346 carb and limiter caps question. HIPA Carburetor For Poulan Pro PP4218A 18" 42CC Chainsaw Parts Pro GAS SAW Carb Kit. It can be caused by the buildup of fuel in the carburetor, which eventually evaporates and leaves behind a sticky substance. Poulan Super XXV factory carb settings . - The Definitive Answer, link to Is a Tsumura Chainsaw Bar Superior to A Stock Chainsaw Bar? - The Real Answer, Best Chainsaw Gear: Our Battle-Tested Picks, How To Start An Echo Chainsaw Easy Tutorial, chain to stop completely at idle and still have a responsive chainsaw, How Tight Should a Chainsaw Chain Be? Fuel tank has pressure when gas cap loosened. Begin by inspecting the air filter on the saw. To get a true adjustment of the carburetor, all other options need to be in correct working order. Also, if you have a tachometer, adjusting the carburetor on a Poulan saw will be significantly simpler. However, Poulan chainsaws require a special adjustment tool that has splined teeth to set correctly. They are typically . For a better experience, please enable JavaScript in your browser before proceeding. When adjusting the carburetor of a Poulan chainsaw the low-speed and high-speed jet screws need to be set at baseline. Could be as simple as idle screw need 1/2-1 turn CW. Get outdoors for some landscaping or spruce up your garden! Zama Carburetor. Rotate the screw labeled 'L' clockwise using a flat-head screwdriver until the end. If the chain saw sounds as if it is running too rich, it will rev at high speeds and make a high-pitched sound. Now that you have the air filter clean, fresh fuel, and a good spark plug, you are ready to adjust the carburetor of your Poulan chainsaw. Too lean adjustment can lead the chainsaw to bear failure and cylinder seizure. Mikuni Carburetor Service Manual WordPress com. The most common question I have been asked lately was how to adjust the carburetor on a Poulan chainsaw. $33.45. It needs a new ring and it sounds like your saw also needs a new ring. Poulan Pro 5020AV carburetor adjustment. You are using an out of date browser. If the engine does not operate continuously, rotate the screw marked T or the idle screw by one clockwise turn using a screwdriver with a slot. Then start adjusting different parts of the carburetor including idle speed, high and low-speed adjustment, and fuel ratio. and position chain saw so that any sharp. current price $33.45. For user convenience, the high-speed jet screws are alternated with the fixed jets in a few models. Seafoam in fuel may help-dissolving varnish in tiny passages. Once the saw is running adjust the low-speed jet so that the chain stops or is as close to stopping as possible while still having a responsive throttle. This is done by turning both jets clockwise until they stop. lean mixture which will drastically shorten engine life! The low-speed jet is supplying too much fuel and not enough air. The powerful 50cc engine provides a 20-inch length for both bar and chain that can handle up to 18-inch of powerful cutting. The first responsibility is to fire up your chainsaw and get a flat-head screwdriver ready, Now, turn the screw clockwise or counterclockwise at this step, Next, observe the engines behavior changes both while youre throttling it and idling. I've tried turning both H and L . THAT'S TAKING IT TO ANOTHER LEVEL, like the basement. Cutting width. If you set your chainsaw too lean and fast it can destroy your chainsaws engine. Hello 1290451, Most carburetors will come from the factory with the correct adjustments. If engine bogs when advancing throttle, turn low idle out as needed to . Adjustments . To replace the filter, start your Poulan chainsaw in a regular manner. How to Replace the Carburetor on a Poulan Pro Chainsaw. The Real Answer, How to Best Store a Chainsaw? This part discusses a detailed adjusting process of the fuel and air mixture on a Poulan pro chainsaw. If you are able to get the chain to stop completely at idle and still have a responsive chainsaw throttle you are done. A Poulan chain saw carburetor operates in the same manner as a carburetor on an automobile or other small engines. The Poulan Pro gas-powered chainsaw provides a 2-stroke engine that consists of gas and a mixture of oil. chainsaw is powerful and easy to start and operate. Air Filter Pleat Assy For Poulan Pro PP5020AV PP4818AV 50cc Chainsaw 575296301. Product Details. In this case, the low-speed screw will need to be leaned out (turned counterclockwise). These screws directly affect carburetor function during the adjustment process and can cause an engine to run inefficiently if improperly set. Free . The saw was likely smoked by either a lean mixture, or an air leak. All you need is a tachometer. 1-1/4 turns out on both high and low screws from my experience. The ideal setting should be midway between these points. You need these tools to properly do a Poulan chainsaw carburetor adjustment. The carburetor has been carefully set at the factory. Instead of making the adjustment yourself, Poulan Pro chainsaw factory carb settings should be adjusted by an authorized technician who can do the job properly, using a tachometer. Adjusting the Low and High screws controls the chainsaws throttle response, (low end), and high-end engine RPMs. . Poulan Pro PP5020AV 20" Bar 50cc Engine. Closing the low and high-speed jets, Step 6. How to adjust the carb on my Poulin Pro 42cc chainsaw,.and my special screwdriver tool to adjust the carb. View and Download Poulan Pro PR5020 instruction manual online. I bought a Poulan chainsaw new when I moved to Florida in 2002. . As soon as the chain starts to move, turn the screw counterclockwise until the engine idles without dying and the chain stops moving for the correct idle speed. Use tab to navigate through the menu items. Preferably, have the H and L screws adjusted by a professional. $5894. Adjustments need to be made to a carburetor when it dies after starting, is hard to start or dies under a load. The adjustment procedure will either lean out the fuel mixture by reducing the fuel and oil ratio to air or richen it by adding more gas and oil to the air mixture. High quality NEW replacement part Fits: Poulan 2700, 2800, 3000, 3100, 3300. . Before understanding how to adjust a Poulan chainsaw carburetor, you should know about the carburetor precisely. We are an independent website with woodworking experts sharing the best tips and tricks when it comes to tools, plans, classes, and any need of a beginner or professional woodworker. If you set the idle adjustment too high, the chain will keep moving. There are even some great woodworking tactics that Id love to share with you. the H screw about 1/8 turn to make sure the mixture is slightly Its tempting to turn the L and H screws to make the chainsaw be as responsive and as fast as possible. Will a Tsumura chainsaw guide bar fit your Hello, My Name is Steven R, and Im here to help!My family has been in the chainsaw and outdoor power equipment business for over 35 years.We are as qualified as anyone regarding tips and how-tos on operating, maintaining, and repairing chainsaws and other power equipment.I hope you find the information you are seeking. When adjusting the carburetor, you need to place your Poulan chain saw on a flat level surface with the chain overhanging the surface, or move all items so it will not come into contact with anything. Examine the gasoline level. Quick and easy to start, it features Soft Start, purge and integrated choke/stop controls. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'thetoolsgeek_com-leader-1','ezslot_11',112,'0','0'])};__ez_fad_position('div-gpt-ad-thetoolsgeek_com-leader-1-0'); An additional tip: its recommended not to adjust the screw more than turn either way. Carb looks clean from outside but didn't dis assemble it or make any adjustments. It'll fire on choke, then run for about six seconds, but is unresponsive to the operating throttle. Poulan chainsaw carburetor adjustment tool. Then, take out the cover and air filter, and clean the latter using soap and water. For additional information, these are widely known as the idle speed screws that control the throttle valve. Next, make sure to consider your safety. Engines that run at a slower speed than normal will stall and quit, then need restarting often. At idle conditions, the adjustment should generate around 2800 3400 RPMs. However, this should not be done. Begin adjusting the carburetor on a Poulan chainsaw by undoing the retaining nut of the cover of the air filter by hand. Insert a small flat-head screwdriver into the idle speed screw and turn it clockwise to increase the engine speed if it idles too slowly. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 530-027218, 530027218, 27218. Fit bottom of drive links between the teeth in the sprocket in the nose of the guide bar. JavaScript is disabled. . How do you adjust the fuel and air mixture on a Poulan Pro chainsaw? Adjusting the idle screw (Optional). Mar 24, 2017 / PP4218a chainsaw carb adjustments. Carbhub WT-875 Carburetor for Craftsman Poulan Pro Blower BVM200C BVM200VS P200C GBV325 P325 with Fuel Line Filter Gasket Spark Plug Replace 545081855 WT-875 WT-875A. Many chainsaws can be adjusted utilizing a standard screwdriver. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=280351588986&ssPageName=ADME:B:EOIBSA:US:1123, http://www.cmsmallengines.net/poulan-pro-18-inch-42cc-gas-chain-saw-pp4218avx.html. The high and low-speed adjustment screws affect the chainsaws idling performance. The low end is when the trigger is first pulled. If you intentionally cross the RPM level, the chainsaw speed will be wasted sooner or later. For first-time users, you surely want to know how to use Poulan chainsaws properly to avoid damage. The last message is- dont forget to equip yourself with the necessary safety while dealing with a chainsaw. Proudly created withWix.com. 1 1/2 allowed me to start and make needed adjustments. If necessary, you can modify the idle screw (the one marked with a T) until your chain stops rotating. Adjust the carb at full throttle / no load for just a little burrble / 4 stroking. Podoy P3314 Carburetor for Compatible with Poulan Chainsaw Parts PP4218A Air Fuel Filter with Adjustment Tool Tune-up Kit for P3416 P3816 P4018 PP3416 PP3516 PP3816 PP4018 PP4218 PPB3416 PPB4018 . To adjust the H and L or high and low-speed screws, follow the specifications of the manufacturer, and use a tachometer to measure the speed of the engine when rotating the screws. Are you trying to decide if a Tsumura chainsaw bar is the right choice for you and your chainsaw? His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. How to set up a carburetor on a chainsaw with the engine on: adjust idle speed with screw "T", turning counterclockwise until stable operation of the motor at idle speed; check the speed of the set of revolutions, with a leisurely spin, turn the screw L by 1/8 of a turn additionally; set the highest rotation speed on the tachometer with . How to Adjust the Carburetor on an Eager Beaver Chainsaw, YouTube: How to Adjust Poulan Chainsaw Carburetor. Seat the low and high speed jets closed. Was looking to see if there was - Answered by a verified Technician . If the carburetor is adjusted with no fuel in the tank, things can change once the fuel tank is full, which can lead to adjustments that are too rich. Too much density limiting air flow?). Does anyone know what the factory carb settings (Walbro WT-19A) should be on this Poulan? With the use of a tachometer, seat the high-speed jet (with an H mark) and low-speed jet (with an L mark) on the carburetor closed. There are even some great woodworking tactics that I'd love to share with you. This Dura Life engine has cylinders that are plated with chromium which makes it durable. REPAIR REBUILD KIT TILLOTSON HU CARBURETOR Poulan 361 chainsaw USA Seller. Further, we'll be discussing the amazing features and specs of the Poulan Pro PR5020. Fit chain drive links into bar groove. To do this efficiently, turn both jets clockwise until they stop. With throttle at full, turn high screw in until engine runs Today I had a little time to see what I could do about it. Now slowly turn in the screw to a position where it idles the best. JavaScript is disabled. Does anyone know what the factory carb settings (Walbro WT-19A) should be on this Poulan? Now, refit the arrestor and filter, and switch on the chain saws engine. When adjusting the low-speed jet of the carburetor of a Poulan chainsaw start with the low-speed jet open 1.5 turns from closed.