The chain of a chainsaw is very much unlike other chains, such as that which you might find on a bicycle. There’s nothing worse than a dull chainsaw chain. The place I bought it is 3 hours away so I am trying to solve the issue myself first. From experiencing difficulties with getting the engine to fire to a chainsaw engine that won't rev properly, three basic areas may be responsible. It connects to the internal fuel line and prevents wood chips, oil and dirt from contaminating the fuel. Give the spark plug a good clean with a damp cloth and allow it to dry before testing it again. When they are not set perfectly, the sound and performance will be off. 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. To help you get back to work as soon as possible, we will look at the most common problems and how to fix them. This is the horizontal inside angle you see at the top plate of the cutting tooth. You then want to begin turning the H screw clockwise until the engine sounds smooth. Is the chain brake engaged? I have had it probably four years or so, and I have always had a problem with the chain coming off the bar. If you are still experiencing problems after trying the above fixes, it's time to look at the carburettor. Fuel system cleaner is added to the fuel tank and left to sit for several hours. Whilst using my chainsaw (little Ryobi) the chain came off. Your personal selections from our range of products. Professionals swear by sharpening their chain regularly, often, after each use. The chain should wrap snugly around the whole bar, not be hanging off the bottom side. Using your chainsaws user manual, locate the filter and check it for buildup. If the gap looks too large, then replacing the spark plug is a good idea. Compressed air is a great way to remove any excess carbon deposits once it has been removed from the engine. Learn how to operate, maintain and purchase an outdoor wood boiler. Remove the exhaust to check for piston seizure or ring damage if compression seems inadequate. To keep these parts moving, a certain amount of compression is needed. You then need to start the chainsaw to distribute the fuel system cleaner evenly throughout the engine. Your protective clothes are regularly exposed to sweat and oil — substances that may reach the protection layer and reduce its function. T Screw - Next, locate the T screw. Touch the spark plugs electrode tip to a metal surface on the engine and pull the starter cord. If there are any blockages, this will help remove them. But for harder woods or frozen woods, it should be blunter. You don't want it too tight, but you don't want it too loose. There are no results for your search term. I stopped straight away. Begin by turning the T screw clockwise until the chainsaw chain begins to move. 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. Learn how much wood is in a cord of firewood. L Screw - With the chainsaw still running, take a screwdriver and turn the L screw clockwise. Luckily, this is one of the easiest things to check on your chainsaw. Chain Tension on a Husqvarna 445. Pull the starter rope to see if the engine turns over and if compression is adequate. As soon as you notice it moving, turn the T screw counterclockwise slowly until the chainsaw chain stops. Raise the tip of the bar and stretch the chain by tightening the chain tensioning screw by turning it clockwise using the combination spanner. Husqvarna 579380212 Size 12 Functional Saw Protection Gloves, X-Large. If the air filter is blocked, then your best bet is to replace it. 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. The H screw regulates the Air/Fuel mix during high RPMs, while the L Screw does the same during low RPMs. While a chain saw does produce some heat while in use, it should never overheat or begin smoking. What we have looked at already covers the vast majority of times when a chainsaw won’t start. Simply pull off the old filter, twist on the new one and feed it back into the chainsaw housing. When the chainsaw is cold (has not been run recently), the chain should sit on the bar fairly snugly, and raise around ¼- ½ an inch off of the bar if pulled. But like any serviceable part, your chainsaw’s chain will eventually wear out and will require replacement. Get tips on how to handle and maintain your tools or learn from the professional users. From felling trees to chopping firewood and carving, a high-quality all-round chainsaw is an arborist’s best friend. If you have your chain on too tight, then the bar-to-chain friction is going to be too intense even with enough bar oil. It should "give" about a 1/4 inch from the bar without much effort. I also noticed that the chain tensioner hole in the bar is too far forward. If the gap is too large, it can make it difficult for the spark to bridge the gap. Imagine trying to sprint for 60 seconds while holding your breath; it’s not going to be easy. Stihl chainsaws will typically have the adjustment screw between the bar and the dog on the saw. ... Chainsaw chain won't stop turning. Find the most common problems that can cause a Husqvarna Chainsaw not to work - and the parts & instructions to fix them. Does anyone have any idea what could be the cause? This can result in poor performance, sputtering and failure to start. Inspect the chain for any debris that may potentially be clogging the gear. Most chainsaws come with screwdrivers matching the size of their tension adjusting screws, so you won’t need additional tools. Check the coil and springs. Next, take a screwdriver or chainsaw tool and adjust the chain so that it doesn't sag, but when pulled it places itself back on the bar. Damage to the piston or the piston rings may also be the cause of the problem. Keep turning it until the engine almost stops turning. After taking it apart and trying to refit the chain onto the bar (in the groove) there are certain sections of the chain which won't easily fit back into the grove. Send us your question or comments. Most filling at 40 degrees will achieve faster cutting, though the chain won't stay sharp long if you want a sharper chain file at 50 degrees. This photo shows a chain that's too tight. The engine should continue to idle smoothly with the chain not moving around the chain bar. Box 76-437, Manukau City, Auckland 2241. Lastly, check all of the hoses and gaskets to ensure that nothing has worked its way loose. Tighten the chain until it does not hang slack on the underside of the bar. There should be no rocks or sticks stuck under the chain or in the blades themselves. By adjusting your chain in the "up" position, it eliminates the slack in the chain when you cut because the bar is already in the up position. This adjustment screw is responsible for adjusting the chainsaws idle. Husqvarna chainsaws require a special premixed type of fuel different than your car or lawnmower. We will get back to you as soon as possible. The fuel line is connected to the carburettor, which can be found near the throttle at the rear of your chainsaw. Tighten your chainsaw blade when the chain no longer sits flush on the guide bar. Locate the spark plug on your chainsaw and remove the cover. Give the throttle trigger a little squeeze. Your Account. This photo shows a chainsaw chain that is too loose. For all the latest in Husqvarna news, events, videos and pics; come on - join in! View solutions. Privacy Policy     Advertising Policy     Share This Site     About Me     Additional Resources, This post may contain affiliate links so I earn a, don't want it so tight that it damages your saw, Husqvarna 20 Inch 450 Rancher II Gas Chainsaw, Outside Wood Burning Stoves - Heating With Firewood. Few others can move a few hundred tonne of wood with minimal effort. When cutting softwood, this angle would be best at 35 degrees. To properly adjust the tension on a chainsaw chain, you need to adjust the tension as you pull UP on the bar. Notice as I pull on the chain there's not much "give" to it? The letters on the screws represent High (H), Low (L) and Idle (T). When you think about a chainsaw chain, it's basically an oval. Husqvarna Chainsaw Protection Glove is an excellent choice for anyone that uses a chainsaw. Overheating and smoking are obvious signs of an underlying problem and are an indication that you should shut off the chain saw immediately and investigate the situation before further use. Anyone who is familiar with chainsaws will know that they require regular maintenance to keep them in top condition. The air filter on a chainsaw is like the lungs of the tool. 2. The air filter on a chainsaw removes airborne contaminants from entering the chainsaw combustion chamber. They offer the user maximum mobility but … Step 1 Check to see if you have enough gasoline in the chainsaw's gas tank if you are experiencing problems during start-up. What size chain goes on a Husqvarna 445? Remove the spark plug from the cylinder and attach the spark plug wire to it. As mentioned, the chain of the chainsaw is stretched around the bar, and when the device is turned on, it moves around the bar. 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. Next to the pull rope on the body of the chainsaw you will find three different adjustment screws. If the fuel filter is damaged or blocked, it can be removed and replaced with a new filter. Check fuel supply pickup and hose for blockage or cracking from age. Teeth are just the technical term for the sharp bits. I like to rest my forearm against the chain brake (hand guard) and use my hand to pull up on the bar. You don't want the chain to sag, but you don't want it so tight that it damages your saw as it spins around the bar. When the air filter becomes clogged, the amount of air able to reach the combustion chamber drastically reduces. Smoke should not be blowing from the exhaust, and the engine should accelerate with ease. Husqvarna saws on the other hand will typically have the adjustment screw on the outside of the bar cover, between the two bar cover nuts. Check the muffler spark arrestor screen, if fitted visually check hoses, manifold and cylinder base gasket for leaks. The spark plug gap is an air gap between the ground electrode and the center electrode. Check fuel for quality and correct mix – recommend replacing with a known mix. To check the proper chain tension, after you've tightened the bar cover nuts just pull up on the chain and see how much it gives. Husqvarna offers a wide and growing range of products and accessories, including everything from chainsaws and power cutters to robotic lawn mowers. Loosening the bar nuts will accomplish two things. To adjust the chainsaw chain tension, loosen the bar nuts first. This post may contain affiliate links so I earn a commission. Take care not to pull too hard. Check the carburettor settings are correct (including the idle adjustment). The Husqvarna has some screws where it can be adjusted; this is to achieve that the carburetor delivers an enjoyable activity in the chainsaw. When I tighten the chain on my Husqvarna 455 Rancher (20" bar), it cuts for only a few minutes before the chain becomes too tight on the bar and bogs down. The chain tension may be too tight. Check spark plug electrode for wear or carbon build up and correct gap. The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed. And your gas chainsaw engine starts, but the chain won’t move. I have a Echo CS-530 that i just got in October of last year. Learn what to look for when buying your next load of firewood. The 455 can cut through an 18 inch log in under a minute without getting bogged down, which is impressive. Piston rings contain cycle pressures, ensuring the force from combustion is spent pushing the piston down on the power stroke. If the temperature drops below freezing then it’s going to be a good idea to bring your chainsaw inside a heated part of your home. You should be able to carefully lift the weight of the chainsaw by the starting cord. It says “Farm tough” on the bar, and it is. Outside wood burning stoves are a great way to heat your entire home with firewood. P.O. A petrol powered chainsaw has several moving parts. To determine whether or not your chainsaw's chain tension needs to be adjusted, pull the chain away from the guide bar a little to see if the drive links remain engaged or not.