The first thing I would check is the fuel line, they are prone to cracking, once that happens it will start sucking air and not get enough gas. lets get stuck into our first suggestion. I have a John Deere/Home Depot/Scotts (they did a combined thing) that I bought about 12 years ago. Designed to replace air in the fuel lines and carburetor with gasoline when you depress the button several times, a primer bulb provides a crucial service that makes starting the engine easier. If this happens, the primer bulb wont be filled with fuel. 1995-2023 MH Sub I, LLC dba Internet Brands. If a primer bulb is fastened directly onto the carburetor, the compression and reversion force fuel into the device. The way these systems work is to circulate fuel between the tank, metering chamber in the carb, and back to the tank. the rebuild will probably not happen since i use it so infrequently. So you want to be a freelance climber do you. I'm laid back and get along with everyone. $10.95. Chainsaw not getting gas is one of the most common problems chainsaw owners face. I went to start my mower and it just started making a really loud buzzing sound. Fuel line has a bit of play in it which causes this problem. Yes the brand new carb came complete with the primer bulb. Whether the bulb is important or not for operation depends on the saw. #1. Also fits 310, 315, 315X og Gardena Sileno City, Sileno+ Had to just let the noise happen until it died down. Repairing it from a mechanic will cost you time and money. If none of these things work, you may need to replace the primer bulb. Replaces husqvarna part numbers 589 58 62-01, 589586201. Though it may just look like yet another piece of plastic on a small modern engine, its job is to draw fuel out of the reservoir and bring it directly into the carburettor. Now, if you didnt change your fuel lines and you encountered this problem. Using the wrong oil. The mower will only run until the primer bulb is empty. So think of it as a gate that only allows either entry or exit of p. Now, like the other parts, a check valve can also be clogged or damaged. It's unusual but a new Stihl would probably fix it. Either due to accidents. The primer button on a chainsaw is used to draw fuel from the tank and into the body of the machine. Press to put it in the right place of the engine holder. Then take note of the bulbs direction of flow. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Removing purge/primer bulb altogether. While in other engines, its only connected to it by a fuel line. gwa000 if you give us the model number of your saw it would help . Loose nuts on both sides and take off the cover.You may see a broken fuel line there (the most common problem).The fuel line goes into the fuel tank through the fuel filter, so its quite an important element in completing the priming cycle, you see. Of course, if you are in any doubt, it would be best to consult with a professional. Chainsaw Won't Start Or Restart. Even if it is a weak primer bulb, this shouldn't be the problem with running--it will start and run strong for just a few seconds (primer is not cracked and leaking). Then, press the primer bulb once, and the gauge should drop 2-3psi. Some chainsaws use a primer bulb to help suck gas into a cold carburetor. If you experience low compression, pull the muffler and check the piston and cylinder for, Read More How Much Compression Should a Chainsaw HaveContinue, chainsaw is the most valuable tool in any loggers arsenal. once i am done with this wood the saw will probably sit idle for years. Option #1: Press the primer bulb. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The primer bubble, or priming bulb, on your string trimmer may collapse when gummy varnish left by old fuel builds up on the sides of the bulb, which makes the sides stick together when you press the bulb to prime. Husqvarna Primer Bulbs available online and ready to ship direct to your door. AU $31.59 postage. The primer fuel line is to be removed from the carburettor next. (This is enough for most 2-cycle engines.). You can buy a new fuel line with the right fit based on the model youre using. Put it all back together, primer works as it should, ran it for about 30 minutes, running good. So, its best to stay one step ahead and know exactly what you can do to fix the problem. Cracked Primer Bulb Can Begin to Leak Fuel. How To Fix Chainsaw Battery Charger Blinking Red? Thankfully, cleaning the housing is a cinch. (If not, skip this tip.). The purge/primer bulb on my poulan chainsaw is damaged. Just give it 5 or 6 pumps and as long as there is fuel in it it's doing it's job of pulling fuel through. Let them soak for at least 30 minutes to 1 hour. If the purge bulb will not compress check the lines as they are likely connected backwards, if the bulb will not come back out check the fuel filter, fuel line, and carburetor for restrictions. If you remove the primer bulb, youll see a reddish rubber disk under it. Everything worked as it should before I put it away. When the primer won't prime, the engine won't run. As well as loose fuel line connections. 4 PACK oem HUSQVARNA Primer Bulb Pump 503936601 450 455 CS2250 2255 US Seller. Lightweight guide bar. Select tubing that's the same diameter as the tubing that's already on the lawn mower. Primer bulbs are usually positioned on the lawn mower one of two ways. Instead, you should know the way to make a temporary fix and see if it is reworking. Register today and take advantage of membership benefits. Husqvarna Primer Bulbs: Jack's is your Place! The function of primer bulbs is to fill the carburetor with some amount of gas which helps start the engine. It may also make a sound as if it's simply sucking air and not give any resistance when pushed. EDIT: Actually, thinking about it, there must be some kind of one way valve in the primer bulb so that the fuel only flows one way when you pump it. (I assume) the fuel lines were messed up with ethylene additives in the fuel. Need to use your chainsaw but cannot buy a primer bulb right away? Where Is the Primer on a Lawn-Boy Silver Series 4.5 HP Lawn Mower. i have a husqvarna 125bt, and the primer bulb won't. Parts Question posted March 5, 2016 by Robert Carlson, last edited March 5, 2016 . The Stihl 461 had some issues as well. These diaphragms will gradually wear out from repeated heating and cooling. To elaborate on this, you should aim to push it down while holding your finger/s on the part of the line that leads to the tank itself. What might be wrong? Get a soft bristle brush (old toothbrush) and clean all the parts thoroughly. Pressing the primer a few times before starting will deliver the fuel. A plugged fuel filter can do the same. Ways to determine the cause of this bulb issue. Undoubtedly, primer bulbs require consistent upkeep, for it is highly prone to wear and tear. Reduced price. If you noticed the fuel has gone bad in the carburetor, logic would tell you to discard the fuel. I'll check it out tomorrow. This should be easy enough. Yes some of the little 50cc buggers and under do, but even the pro saws are not what I would call high end. He bought it, used it on a project, put it in a box to move to next project, managed to lose it for several years, then couldn't get it to run--even fire, so for $15, I bought it as a project. Another cause of the primer's filling problem could be the bulb itself. (The cleaner and dirt might get into your eyes while brushing the parts.). So its best to check its condition as well, along with the check valve. Initially pushes air out when pushed, but when it reforms it creates a vacuum in the carb which sucks petrol up from the tank and through the carb to the bulb. Replace the primer bulb, then test if if works with a cold not running saw. If I take the top cover off so that I can see the fuel lines to/from the priming bulb there is a lot of air being pumped even when the fuel tank is full. Remove the filter and repeat the test. The purge bulb works by drawing fuel through the fuel filter, fuel line and carburetor. $9.99. My 372 and 395 do not either. Reconnect the longer/return line as well to the longer nipple. Then replace it with a new one if its already defective. just a thought. If you put your finger over the suction side and press the primer, it should not return to the original position until you let your finger off and it can suck air through. You see, a lot of dust and debris might often pile up at the air bulb seat on the weed eater. Soleil 15" .325 1.3mm 64 Drive Link Guide Bar for Husqvarna: 150SLBK095. Move stop switch button away from the stop position. . When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. fuel filter was replaced in 2012 when it was hard to start back then but it has not been used since other than for a few minutes. Thanks to all who had suggestions!! Remove the bulb from the engine and check it carefully for any small holes or puncture marks. If this is the case, you will need to straighten them out again. Manage Settings air filter was cleaned out before starting my sawing a few days ago. It is great to have a chainsaw at home, even if you are not a professional lumberjack. Make one-fourth turns until the blower engine idles and operates smoothly with and without . Dirt and other fuel impurities may clog these hoses so an insufficient amount of fuel can pass through the hoses, causing the primer button not to fill. Priming begins with air pressure caused by pushing air out of the primer bulb into the fuel tank. The consent submitted will only be used for data processing originating from this website. Oregon 49-020 Primer Bulb - Replaces Stihl 4133-121-2700 for Husqvarna After the bulb is removed, remove the clip where the bulb rested and clean out the housing. not being able to prime) if the engine is hot? A primer bulb can be used to help suck gas from a cold engine. Copyright 2022 Arbtalk Without the primer bulb, the starter cord would have to be pulled loads of times before the fuel lines and carburetor fill up. Been there,done that.I have spare fuel line & a spare(used) carb connected to a can of gas.I've been swapping the new & used carbs out on spare fuel line & the one connected to the leaf blower.Both carbs will not draw fuel.That was the reason I bought a replacement. Aug 1, 2007. If so, it might be that they got mixed up. Ok, to be fair, several mentioned the screen in the carb--I was just lazy and picked the last post!! seems to me (being a neophyte) that if something is crudded up you would not be able to prime at all (i.e. Is this usually a easy fix or is something usually broke inside. Move the choke in the . Also, to insert the lines easier, cut their ends at a sharp angle. Usually, low-end chainsaws with smaller engines have primer bulbs installed to aid the cold-starting of the engine. First up, you can easily grab a cup of fuel and pour it in. Before we start, its known that primer bulbs and carburetors are still used in small engines. Question: i have a husqvarna 125bt, and the primer bulb won't prime. WOXINDA 5pcs Petrol Strimmer Primer Fuel Bulb Pump for Stihl McCulloch Ryobi HUSQVARNA. suggestions. Try giving the bulb a press. Is there a hose that goes in the tank for the primer bulb? Like the float, fuel bowl gasket, valve, and other screws. A primer bulb is relatively easy to replace if you find any gas leaking. Clogging of the air filter/fuel line, untidy carburetor and damaged spark plug, etc. Published 10/18/2010 11:55 AM | Starting a leaf blower is almost the same as a Husqvarna leaf blower. Echo switched from brass body check valves to nickel in an effort to reduce the chances of sticking. So, inspect all your connections to see if there are any loose lines. If you do this and the bulb doesn't return to the original position, you have your lines reversed. Ill discuss 2 ways since itll be different based on your equipment. Use a press fluid to help ensure an airtight seal is maintained when the lines are pushed onto the carburetor's connectors. Next, you will need to use them for reference as the new lines will need to be the exact same size. As well as to its other metal parts. This video shows how I fixed it. If you have followed each step correctly and coiled everything well, it hopefully will work. After that, just release the bulb again. Luckily, this is a fine example of a job you can easily get done from the comfort of your own home. This cracking usually happens in the section between the tank and the carburetor. Your primer bulb's housing will probably be covered in gas and gunk as a result of the leak. I plan to run carb thru ultrasonic, but also have other parts to order so plan to order new carb also to save shipping cost! I have a craftmans P2 model 316.79186 weed eater - it will start first pull and run 10 to 30 seconds and shut off as if you hit the kill switch. Move to the next step! was sitting idle a long time (no gas stored in tank). on the part of the line that leads to the tank itself. General info - What is the purpose of the purge bulb? Most small engines will not start if the carburetor is dry. It is still under manufacture warranty so I can get it fixed but if it is an easy fix with no replacement parts usually necessary I would like to fix it myself instead of waiting to get it fixed. Echo 2100 power blower, primer bulb wont fill with fuel, Troy Bilt weed eater TB625 EC pull start not turning motor. 17. It's ok to pick at me--I always say if you cannot take being picked at, you don't deserve to pick at someone else!! Want to know more about this website and me? The trouble is that if it is left in this condition, it can have all sorts of knock-on effects. There is a screw hole that adds to the whole system. Want to meet eligible single woman who share your zest for life? 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Ensure an airtight seal is maintained when the primer bulb buzzing sound ship to... Usually positioned on the weed eater then, press the primer bulb bulb can be used for data originating... Blower, primer bulb is relatively easy to replace if you noticed the fuel untidy carburetor and damaged spark,. Bulb from the engine won & # x27 ; t return to the.! Screen in the fuel filling problem could be the exact same size and ready to ship to! Debris might often pile up at the air bulb seat on the model of... In this condition, it might be that husqvarna primer bulb not filling got mixed up ( i assume ) the fuel consistent...