You then want to begin turning the H screw clockwise until the engine sounds smooth. Check the carburettor settings are correct (including the idle adjustment). Compressed air is a great way to remove any excess carbon deposits once it has been removed from the engine. This primer bulb also removes the excess air from the fuel line by pulling fuel into the line. Remove the spark plug from the cylinder and attach the spark plug wire to it. A simple way to check for low compression is to place the chainsaw on the ground and use the starter rope to lift it. Lastly, check all of the hoses and gaskets to ensure that nothing has worked its way loose. Begin by emptying the fuel tank and replacing it with a good quality well-known fuel mix. Few others can move a few hundred tonne of wood with minimal effort. I was advised to replace bulb and fuel lines. 358.350880. If the fuel lines are in good condition and the primer bulb is not leaking then the problem sounds like you have a plugged up passage in the carburetor. The chain brake should be activated when you start the chainsaw. If the gap is too large, it can make it difficult for the spark to bridge the gap. It connects to the internal fuel line and prevents wood chips, oil and dirt from contaminating the fuel. At Husqvarna, we’ve worked hard to learn what defines comfort in professional forestry and logging, how it can be improved, and what type of comfort is needed in each part of your workday. A petrol powered chainsaw has several moving parts. Get expert help from our exclusively qualified and authorised dealers. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. The primer bulb makes starting the engine easier, and without it, undue stress will be placed on the carburetor. Part: primer bulb with line and cover, part #s 504 01 09-01, 503 93 66-01, 504 07 15-03 and 544 33 10-01 Condition: good used/working shape Fits: husqvarna 346xp chainsaw models which are 2008 and newer The Husqvarna 445, 445E and 450E chainsaw service and repair troubleshooting guide will help with the repair and service of a chainsaw not starting or a chainsaw running badly. While checking the muffler, you should also check that the muffler spark arrestor screen, which prevents the muffler from combusting, is also clean and free from debris build-up. This adjustment screw is responsible for adjusting the chainsaws idle. Pressing the primer bulb will start the fuel flow and combustion. In fact, on average, just one minute using a chainsaw will use the same amount of air as the average person breathes in over a six-hour period. *Good working condition, easy to install. Usually three pumps of the carburetor bulbs is enough to start an engine. Have a two year old Craftsman chainsaw model no. 1-800-269-2609 24/7. This helps prime the circuit, which allows your saw to be started. Anyone who is familiar with chainsaws will know that they require regular maintenance to keep them in top condition. Primer bulb not working on chainsaw duration. If your chainsaw is not starting when you pull the starter rope, and you’ve checked the above, there may be a problem with the compression. There is a small check valve inside the primer bulb, which maintains fuel in the carburetor after priming, the engine will start with the primer but won't maintain full throttle if this check valve is bad. If your chainsaw engine dies at full throttle, check the following parts: the carburetor, fuel lines, fuel filter, air filter, and muffler. Many chainsaw models can be started in what is known as ‘half-throttle’ position. These issues are relatable to Husqvarna 350 chainsaw problems.The troubleshoot repair matches Husqvarna 450 chainsaw troubleshooting and Husqvarna 440 troubleshooting.. 3xfuel line. As soon as you notice it moving, turn the T screw counterclockwise slowly until the chainsaw chain stops. These areas with their basic associated components are: Fuel - Carburettor, Fuel filter, Fuel mix, Hoses, Primer bulb, Breather, Spark - Spark Plug, Ignition unit, HT & short Lead, Stop Switch, Flywheel, Air - Air filter, Carburettor, Manifold, Muffler, Hoses, Breather. Start doing it yourself with the confidence that comes with 100+ years of experience. These include checking the fuel mix itself, checking for blockages or cracked lines and checking the chainsaws carburettor settings. Pretty much from the beginning it has not started as easily as I think it should. The air filter on a chainsaw removes airborne contaminants from entering the chainsaw combustion chamber. Search for Husqvarna operation manuals and other helpful documents. Cell Phone Accessories. Keep making fine adjustments to the L screw until the engine accelerates smoothly. Chain Saw: Engine Will Idle But Dies At Full Throttle . When the air filter becomes clogged, the amount of air able to reach the combustion chamber drastically reduces. Detail: *2x Carburetor primer bulb are great replacements for most blowers or chainsaws carburetor. The primer bulb makes starting the engine easier, and without it, undue stress will be placed on the carburetor. Next, begin to slowly turn the adjustment screw counterclockwise until you hear the engine idling smoothly. The weedwacker model number is 358-798490 and the carburetor number is 530071638. You should be able to carefully lift the weight of the chainsaw by the starting cord. If the air filter is blocked, then your best bet is to replace it. Damage to the piston or the piston rings may also be the cause of the problem. Most small engines will not start if the carburetor is dry. A primer bulb is a small rubber button-like component. You will notice that the engine sounds rough. Begin by emptying the fuel tank and replacing it with a good quality well-known fuel mix. Do not put the spark plug back into the cylinder. 2pcs Petrol Snap Fuel Bulb Pump In Primer For Stihl Ryobi WALBRO HUSQVARNA Tool. Location: Typically located adjacent to the carburetor. If you do not see a spark, you should then check the spark plug electrode for carbon build-up, damage or wear, and the correct gap spacing. This essential part pulls fuel through the fuel line and helps fill the carburetor with the right amount of fuel. If the primer bulb is not working, you may need to troubleshoot it. There is a primer bulb that is supposed to be pressed 6 times. Harbot 530037793 air filter with 530095646 fuel filter 530071835 primer bulb for poulan craftsman chainsaw with fuel line spark plug. To help you get back to work as soon as possible, we will look at the most common problems and how to fix them. Your protective clothes are regularly exposed to sweat and oil — substances that may reach the protection layer and reduce its function. Our repair guide can help you identify the right part to stop your chainsaw’s engine from dying at full throttle. Pressing the primer bulb will start the fuel flow and combustion. Remove the exhaust to check for piston seizure or ring damage if compression seems inadequate. Chainsaws are among the most efficient power tools around. I haven't had time to look at it, but I did notice the primer bulb was very, very slow to return each time it's pushed. Think of them like guitar strings. To check for a spark. Recommended products based on your search. If you can see sparks, then your spark plug is working. *Item Condition:100% Brand New *Color: As Pictures Show *Material:Plastic *Size: 3.4x1.4cm(Approx.) From felling trees to chopping firewood and carving, a, Engines require these three things to run. Touch the spark plugs electrode tip to a metal surface on the engine and pull the starter cord. Each screw has a letter stamped next to it. Find out how to mix two-stroke fuel here. As the fuel filter is connected to the fuel line, you will need to pull out a little of the fuel line to expose it. Check fuel supply pickup and hose for blockage or cracking from age. L Screw - With the chainsaw still running, take a screwdriver and turn the L screw clockwise. Shipping all 7 days! If you discover that the fuel filter is blocked, a fuel system cleaner can help. Email, 7 possible causes and potential solutions, 5 possible causes and potential solutions, 6 possible causes and potential solutions, 3 possible causes and potential solutions, 1 possible causes and potential solutions. Do not try to force it beyond this point. Husqvarna offers a wide and growing range of products and accessories, including everything from chainsaws and power cutters to robotic lawnmowers. We only need a small amount. Few others can move a few hundred tonne of wood with minimal effort. Get it as soon as tomorrow oct 31. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Which is why we’ve put together this helpful guide. Primer bulb kit 530071835 circulates fuel to the carburetor to provide quicker starting. This can result in poor performance, sputtering and failure to start. H Screw - The final step is to adjust the H screw. 2X Air Filter. Power up your chainsaw and let it warm up for roughly five minutes or so. Luckily, this is one of the easiest things to check on your chainsaw. Pull the starter rope to see if the engine turns over and if compression is adequate. Fitment: Use the drop down menu to find the information you need: With over 330 years of innovation and passion, Husqvarna provides professionals with forest, park and garden products. The muffler is used to reduce the amount of noise a power tool produces. The most common places for an air leak to occur are on the crankshafts seals. Replace OEM Part Number UK,CA,AU,FR and other countries need 4 or 5 weeks to receive your item(s). Already ordered? The fuel filter helps feed fuel into the engine from the fuel tank. From an engine not starting to an engine with poor running performance, there are three basic areas that should be investigated first to eliminate the easy,   items. This sticky fuel can clog up the carburetor and cause the chainsaw engine to … I have found it requires around 30-50 presses to be effective. Screw it counter-clockwise until the screw comes to a natural stop. The carburetor might be clogged. A primer bulb is a small rubber “button” or bulb that is pressed in order to “prime” the engine before starting. The entire carburetor needs to be taken apart, cleaned, and rebuilt using a new carburetor kit. For all the latest in Husqvarna news, events, videos and pics - join in! The fuel line is connected to the carburettor, which can be found near the throttle at the rear of your chainsaw. You should always refer to your owner's manual throughout the process. Piston rings contain cycle pressures, ensuring the force from combustion is spent pushing the piston down on the power stroke. Check spark plug electrode for wear or carbon build up and correct gap. The H screw regulates the Air/Fuel mix during high RPMs, while the L Screw does the same during low RPMs. When the primer bulb isn't working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. Using your chainsaws user manual, locate the filter and check it for buildup. Take care not to pull too hard. When I put fuel in it and tried to prime, it would not draw fuel. But like any serviceable part, your chainsaw’s chain will eventually wear out and will require replacement. Below freezing the only way I found to start it is to put a little gas directly into the cylinder via spark plug hole (this saw do not have a primer bulb). Check the muffler spark arrestor screen, if fitted visually check hoses, manifold and cylinder base gasket for leaks. The bulb will readily pop out when the fuel line from the bulb assembly is disconnected from the carburetor. Clean and whole clothes are safe clothes. 1st we can remove the sparkplug, pour in a teaspoon ful of fuel or put fuel into a spray bottle and mist fuel into thecarburetor. Then when were done misting fuel, ope lid on misting bottle, to rpevent pressure. How it works: Primer bulb is pressed and released If there is a leak, cycle pressure can leak into the crankcase, resulting in a lack of power or the engine may not start at all. Primer bulbs are used in chain saws to pump fuel from the lower gas tank into the carburetor and then into the engine. I have an Echo CS346 chainsaw that will start and run great just for a few seconds, then dies like the switch has been turned off. This part is mostly used on gas trimmers and blowers. ... Shop by Husqvarna Chainsaw Parts. When they are not set perfectly, the sound and performance will be off. This chainsaw fuel line kit carries fuel from the tank into the carburetor and from the primer bulb to the fuel system. The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed. To keep these parts moving, a certain amount of compression is needed. Husqvarna's new battery-powered chainsaws, T540i XP® and 540i XP® deliver power on par with a professional 40cc petrol chainsaws, as well as unparalleled convenience, precision and durability. It is a good idea to let the professionals take care of it for you. The standard start up routine (choke down, pull until first fire, choke to mid, pull until fires, run 30 sec pull trigger and go) works when outside temp is at least a few degrees above freezing. You can find dealers by performing a search above or zooming in on the map. There are typically three fuel-related checks that you will need to make. If the spark plug produces a spark and you are still having difficulties starting your chainsaw, it's time to check the gap. There’s nothing worse than a dull chainsaw chain. The letters on the screws represent High (H), Low (L) and Idle (T). After replacing bulb and fuel lines it still will not draw fuel. Check this fuel line to make sure it isn’t cracked or broken, as they can become brittle with age. Your Account. You are at the forest, park & garden website. The Husqvarna 455 Rancher chainsaw is designed to perform basic to mid-level cutting tasks, such as felling small trees, cutting firewood, and cleaning up downed trees after a storm. Common Problems with Husqvarna Chainsaws. En español Live Chat online. Dirty Air Filters. Begin by turning the T screw clockwise until the chainsaw chain begins to move. From experiencing difficulties with getting the engine to fire to a chainsaw engine that won't rev properly, three basic areas may be responsible. Imagine trying to sprint for 60 seconds while holding your breath; it’s not going to be easy. The fuel lines are made from clear, flexible, and rubber material. You should also check the muffler. Chainsaws are among the most efficient power tools around. Stay safe and warm – the chainsaw accessories you need to get started When it comes to safety clothing and equipment, different rules and regulations apply in different countries. If your chainsaw is not starting when you pull the starter rope, and you’ve checked the above, there may be a problem with the compression. … Podoy Primer Bulb for Compatible with Husqvarna 345 346 350 353 850 Stihl Craftsman Poulan Chainsaw 455 Rancher 460 445 450 435 Replace 503936601(Pack of 10) 4.6 out of 5 stars 138 $7.99 $ 7 . Next to the pull rope on the body of the chainsaw you will find three different adjustment screws. Without a spark, the fuel is unable to ignite, and the chainsaw won’t be able to start up. Each of these components needs to be in good working order, in order for the chainsaw to start and run smoothly, as well as deliver the power, efficiency and reliability of a new chainsaw. The carburetor may just need a clean, adjustment or replacing, this guide should help with this. Last summer the saw would often stall if I left it idling for more than about 20-30 seconds. How Primer Bulbs Work What is a Primer Bulb? The spark plug gap is an air gap between the ground electrode and the center electrode. But no matter where you are, this list of items will enhance your safety when working with chainsaws. T Screw - Next, locate the T screw. Good compression will prevent the rope from pulling out. https://www.hunker.com/13404480/the-chainsaw-primer-button-is-not-filling Podoy Primer Bulb for Compatible with Husqvarna 345 346 350 353 850 Stihl Craftsman Poulan Chainsaw 455 Rancher 460 445 450 435 Replace 503936601(Pack of 10) 4.6 out of 5 stars 113 $7.99 Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Unclean air filters draw more gas than air, which is similar to when the choke is on. The engine should continue to idle smoothly with the chain not moving around the chain bar. 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