11. Option #1: Press the primer bulb. Let them soak for at least 30 minutes to 1 hour. The primer is a small plastic bulb with an attached line that feeds the string trimmer fuel. And this mismatch can also cause leakage. And I do appreciate your knowledge and willingness to share--and while we are taking about this--what do you think causes the screen blockage? OK, not really. Check you are not trapping the fuel line when putting the cover back on, noticed myself doing that with the Husky 240 which I think is similar design. Everything worked as it should before I put it away. Use a can of carb cleaner sprayed into the breather/filter assembly. This bar has a grease point at the sprocket. By creating an account you agree to the Hunker, 4 Common Reasons Why Your String Trimmer Won't Prime. can cause a chainsaw to bog down when cutting. Should have read "powder fine" instead of "power"!! Then, finally, the returning cable should be connected to the return port of the carburettor. The primer bulb sits in the middle of this return line on most chainsaws. Detach your carburetor with the primer bulb. Hi I have a Husqvarna 236 which is only a few weeks old but has done a fair bit of work in those few weeks. Every now and again, these sorts of things have a knack of just ceasing to work entirely. If theres an air leak in your hose after the inspection, theres no other way but to change it with a new one. It's unusual but a new Stihl would probably fix it. If none of these things work, you may need to replace the primer bulb. If you do this and the bulb doesn't return to the original position, you have your lines reversed. Move stop switch button away from the stop position. While the other one must be on the discharge side to return excess fuel. would this crudded up check valve only cause a problem (i.e. I have a Briggs and Stratton 3.5 hp 450 series engine on an old grey push mower. Removing purge/primer bulb altogether. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. Its the L17.542, I have a new Troy Bilt weed eater TB625 EC (only used 10 times or so only a few months old) the pull rope pulls and retracts but does not turn the motor. Copyright Hey everyone!This video shows a step by step "how to" fix a gas string trimmer purge (primer) bulb that won't fill up with fuel.This fix will work on your we. 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. Put some gas in the fuel tank. Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel . 530058709 Husqvarna Part String Trimmer Air Gas Purge Bulb 124L 125L 128L 128LD There's a slight resistance when you push it, and you can feel that it's pulling fuel from the gas tank. lets get stuck into our first suggestion. Put some gas in the fuel tank. It's what you learn after you know it all that counts. Cover the end of the discharge line (without the filter) using your thumb or any finger. Posted September 5, 2013. Once the carburetor is full of fuel, the excess fuel will be purged back into the tank in the fuel return line. Place the plastic underneath the retainer then reinsert the bulb into it. When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. 1120 Views, 3 Comments. Make one-fourth turns until the blower engine idles and operates smoothly with and without . Indeed, for those who've tried and failed to find the right man offline, footing can provide. As you have already found out the saw will run fine WITHOUT it! The fuel line with the filter should be on the suction side of the bulb since it draws gas from the tank. ), Check the tabs of the slot. I cannot see any damage to the fuel lines at all and there is no leak as far as I can see. An example of data being processed may be a unique identifier stored in a cookie. RussellS, I sure do not consider my 346 high end, just a modern 50cc pro saw. This bar has a grease point at the sprocket. 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 not, skip this tip.). Continue with Recommended Cookies. The same looking bulb on many push lawnmowers actually is a primer bulb. $6.43. 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. With a bit of luck, the bulb should draw fuel pretty soon. It may not display this or other websites correctly. AU $39.10. If those enter the carburetor, there's a high chance that they might do great damage to the inside mechanism of the weedeater. But it doesnt get filled no matter what. Did nothing happen? 17. No, there is definitely something wrong. Published 10/18/2010 11:55 AM | It did die a few times at first but started again just like it shld--hoping that was just some of the bad stuff working it's way thru. Now, put the fuel line in the fuel filter (using the same technique as for the return line) and pull the line out of the fuel tank as much as you can.Once its completely out, cut it straight, put a fuel filter in the end and insert it back into the tank. Husqvarna Primer Bulbs: Jack's is your Place! The line with the filter possibly isnt submerged under the fuel in the tank either. Reduced price. Using the wrong oil. Soleil Guide Bar for Husqvarna 350. Get it as soon as Tuesday, Mar 7. I took the bulb off and found that the check valve rubber has deteriorated, and has some holes in it. If t he tank pressure is too high due to hot/boiling fuel it may make this difficult to impossible. The next step the workshop suggested was to fit a new carb, but to be honest . Could the primer hose have fallen off if there is in fact one? Fill the tank with the right oil mixture. I'm thinking of elimina im working on a 2100 echo power blower. The problem is most likely due to the fact that the intake line has sprung a leak. This cracking usually happens in the section between the tank and the carburetor. AU $31.59 postage. Generally, the primer bulb is located in line with the carburetor. Now, if the lines were reversed, the primer bulb wont be filled. Thanks for suggestion, will give that a try! there is a fuel pump in the carb operated by pulses from the crank case, the diaphragm in it can can go bad also. once i am done with this wood the saw will probably sit idle for years. As well as to its other metal parts. Soleil 15" .325 1.3mm 64 Drive Link Guide Bar for Husqvarna: 150SLBK095. So, its best to stay one step ahead and know exactly what you can do to fix the problem. Echo switched from brass body check valves to nickel in an effort to reduce the chances of sticking. Do this to avoid the reversal of lines. I'll be doing a full day with it again tomorrow so I'll keep my eye on it. 1995-2023 MH Sub I, LLC dba Internet Brands. If so, it might be that they got mixed up. The purge/primer bulb on my poulan chainsaw is damaged. After assembling, reconnect the throttle cable to the carburetor. It's saved me several times!! Follow the reverse steps you have dismantled. 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. As well as in Amazon. Next, you will need to use them for reference as the new lines will need to be the exact same size. (Place a container or an old towel under the area to absorb residual fuel.). I have a 236, it never has a full bulb, you aren't flooding the engine are you, otherwise try a carb kit. home improvement and repair website. Another cause of the primer's filling problem could be the bulb itself. Thank you At this point, it's pure speculation since no testing has been performed. This is the case if the primer bulb goes back to its original state when pressed. Is this usually a easy fix or is something usually broke inside. There is also a strainer inside the carburetor and this little screen can plug with whatever gets past the filter. US $29.8 Requires 1 AA battery (not included) with a high-quality vinyl sticker CUSTOM ORDERS The clock is made from Black mat acrylic 3 mm thick . Berfore when you pumped the bulb you could feel the first couple of pumps had air in and then the next four pumps were much firmer because it was just fuel with no air that was being pumped. Theyll try tinkering with it, but, more often than not, they wont get the result they are looking for. ISE Chain for Husqvarna 66 16.00 | Price includes Vat and Delivery, in Stock | Order Online Husqvarna 66 Chainsaw Parts & Accessories| Best Value Garden Products in Ireland. Clean out the gas tank and replace it with fresh fuel. Local hardware stores could help you with this. The bulb is in fact a purge bulb rather than a primer. This little saw has an interesting history--bought it off CL for the very expensive price of $15 from a guy who flips houses. Website operating Do not break the bulb or puncture the rubber! Because of the age of the saw, a fuel system rebuild is highly recommended. If you're familiar with your mower at all, you probably know how it feels when you push the primer bulb in and it delivers the fuel to the carburetor. Primer bulb not filling. Locate the idle speed screw on the side of the carburetor and behind the air filter. Primer bulb not filling. Hello: own a 5 yr. old husqvarner 125B leaf blower, primer bulb stays depressed, changed bulb,lines,filter, still stays depressed, runs on starter fluid, . 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. This video shows how I fixed it. Everything has been fine until today when it started playing up. Step 4. The consent submitted will only be used for data processing originating from this website. Price: $3.99. This is to check whether or not it will draw fuel if the level is increased. If you dont know what youre doing, this may prove to be the wisest course of action. Next, the remedy above is only short-term. How To Fix Chainsaw Battery Charger Blinking Red? Its best to check your connections first. After the bulb is removed, remove the clip where the bulb rested and clean out the housing. Online Shop - Product Categories. What might be wrong? Its called a check valve and its job is to prevent reverse flow. suggestions. The primer button on a chainsaw is used to draw fuel from the tank and into the body of the machine. Hi, I have a Poulan WT 200 leaf blower with a. I also tried the old carb (with new fuel lines) & it won't prime either. Then link the short fuel line to the shorter nipple of the primer bulb. Press the primer bulb multiple times, and see if it fills up the gas. Either due to accidents. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. First up, you can easily grab a cup of fuel and pour it in. Next, take off the air filter socket and the air filter. Also, be careful when blowing out the passages. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. Unscrew it and remove the base. Hunker may earn compensation through affiliate links in this story. 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