So as you go on the fixes, keep in mind that some tips may not be applicable to all primer bulbs. I should get the prize - see post #6. When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. 46 sold. It's easy! 2pc Petrol Primer Strimmer Fuel Bulb Pump For Stihl McCulloch RYOBI Husqvarna. Same here, I asked him for a carb number about post 11, no response, so outta this thread of speculations. Ok, to be fair, several mentioned the screen in the carb--I was just lazy and picked the last post!! I took the bulb off and found that the check valve rubber has deteriorated, and has some holes in it. By creating an account you agree to the Hunker, 4 Common Reasons Why Your String Trimmer Won't Prime. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 365 day returns. Your primer bulb wont be filled with gas because it might be damaged. ), Cut a piece of it about 2 x 2 in size. And safely unfasten any linked cables. 1995-2023 MH Sub I, LLC dba Internet Brands. As well as in Amazon. If it doesn't, then there is a leak on the intake side of the carburetor. All of a sudden, your engine wont start. Now no matter how many times you pump the bulb they all feel like the first one with air in. This will help you take out the saw from the body. Otherwise, open up screws on both sides). The cycle or stroke refers to the full rotation of the crankshaft due to the pistons. Did nothing happen? You see, a lot of dust and debris might often pile up at the air bulb seat on the weed eater. But it doesnt get filled no matter what. Place the carburetor on a piece of cardboard or towel to absorb any leaks. Contact*: . Now connect the intake line (the line which is shorter in comparison) to the intake port of the bulb. My Husqvarna 125b blower wont start the primer bulbpushes in but stays in - Answered by a verified Technician. 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. Free shipping. 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. Everything has been fine until today when it started playing up. some other posts mentioned that a hole in the gas cap is plugged. Detach the cover of your equipment first (if needed). (The cleaner and dirt might get into your eyes while brushing the parts.). Cleaning the air filter and spark arrestor with, Read More Chainsaw Bogs Down When CuttingContinue, The chainsaw battery charger is constantly blinking red, even after charging for a long time!!! Typically, its placed in grooved parts to avoid any leak of gas or fluids. Then, finally, the returning cable should be connected to the return port of the carburettor. Check valves are non-serviceable and replacement of the valve body is the only fix. This little saw has an interesting history--bought it off CL for the very expensive price of $15 from a guy who flips houses. Is there a hose that goes in the tank for the primer bulb? Ill discuss 2 ways since itll be different based on your equipment. Powered by Invision Community. Move choke lever to the Closed/Cold Start position. Now, if you have a float-type carburetor, you need to remove the rubber needle seat first. I hope my epic guides will help you to choose,buy and maintain chainsaw. Taylor gained her gardening and outdoor equipment repair experience from working in the landscaping and lawn-care business she and her husband own and operate. OK, not really. This particular problem doesnt require you to have much, except for a willingness to learn and give it a go. Soleil 15" .325 1.3mm 64 Drive Link Guide Bar for Husqvarna: 150SLBK095. Was just a stub. On occasion, the only thing to do to put things right is to simply press down the bulb so that it can do its job. Now, if the lines were reversed, the primer bulb wont be filled. I have only one hose in my tank for the throttle. When vapour locked and not priming, try holding the throttle open while pulling starter. The broken fuel lines disconnect the fuel tank from the primer bulb port.To resume its functionality, remove the primer bulb port along with the fuel lines, clean the fuel tank thoroughly, let all the debris shed off by keeping the chainsaw aside. Most what I would call, high end, saws do not have primer/purge bulbs. Check the fuel hoses' connections with the carburetor. It may also leak where the bulb meets the fuel line. Now, some of them may have a 2-cycle or 4-cycle engine. to this site, and use it for non-commercial use subject to our terms of use. 17. Now, press the primer bulb, and see if it is filling up with gas. Follow the reverse steps you have dismantled. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. Step 3: Check for Bad Fuel. A primer bulb can be used to help suck gas from a cold engine. It should hold at 7psi. Hunker may earn compensation through affiliate links in this story. submitted to our "DoItYourself.com Community Forums". There is a screw hole that adds to the whole system. Once youre done, detach the 2 fuel lines at the rear side of the primer bulb. Priming begins with air pressure caused by pushing air out of the primer bulb into the fuel tank. 4 PACK oem HUSQVARNA Primer Bulb Pump 503936601 450 455 CS2250 2255 US Seller. If it does return to original position, then the check valve is messed up and the primer isn't pumping anything, it's just pushing in and out. $6.43. On this website I share everything that Ive learned about Smart Homes. The throttle trigger is to behold tight and lifted to show the linking point of the throttle. (If not, skip this tip.). Customers buy these primer bulbs by the dozen. 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. And you need help from an experienced mechanic. These two holes can also get clogged or be blocked by dirt in the fuel. Oregon 49-020 Primer Bulb - Replaces Stihl 4133-121-2700 for Husqvarna can someone explain what is actually happening (or really NOT happening - the bulb filling with gas) if it is vapor lock? Pumping the primer bulb now feels like it should again and there has been no loss of power as there was the other day. (You can do this using. problems contact webmaster@doityourself.com. been using my old Craftsman 42cc / 18" (~2003 model) a lot the past few days. What might be wrong? Dont know how to repair the existing one? When it's not working, however, the bulb may refuse to pop back out after you depress it. Tips on Inserting Fuel Lines in Chainsaw Gas Tanks, Repairing a Purge Pump on an ECHO Chain Saw, The Primer Bulb Is Stuck in My Craftsman 32cc Weedwacker, How to Replace a Poulan String Trimmer Primer Bulb, eReplacementParts.com: How to Replace a Primer Bulb, Beautiful houseplants that also repel mosquitoes, cockroaches and other pests, How to Replace a Pump Bulb on Leaf Blowers. Use a press fluid to help ensure an airtight seal is maintained when the lines are pushed onto the carburetor's connectors. If you're just starting out and you need business, equipment, tech or training support you're in the right place. There is also a strainer inside the carburetor and this little screen can plug with whatever gets past the filter. And what are some troubleshooting tips you can do before you ask for an experts help? Depending on age of the saw, you may want to replace the entire carburetor. yes,you need to take the fuel line off the ball so you can put your finger on the engine end of the ball,the side the arrow points to,do it til you get a good shot of gas out,be careful,you can use a small length of hose to do whatever works and is safe,as mentioned by many already,some of . Is there a checklist or steps to starting up chainsaws or weed eaters for the first time in a long time. Overheating. Like the float, fuel bowl gasket, valve, and other screws. . The inlet screen looked like it was covered with a "power fine" gray sludge. Wipe everything until its clean and dry. 1. You can also feel that the primer bulb isnt filling. The bulb is in fact a purge bulb rather than a primer. 4. I'll check it out tomorrow. The same goes for fuel lines. #10. Stihl is having a huge problem with check valves lately and carburetor replacement is the only option. It is because the engines of the chainsaw get overheated with use. Try our new 'Online Shop' button! That way, we dont end up throwing away perfectly good parts. Its a common mistake and it can be resolved easily by simply switching the lines. Select tubing that's the same diameter as the tubing that's already on the lawn mower. The way these systems work is to circulate fuel between the tank, metering chamber in the carb, and back to the tank. Your lines and primer bulb are working just fine. Should have read "powder fine" instead of "power"!! . A chainsaw Battery blinking red is one of the most frustrating things a woodcutter can, Read More How To Fix Chainsaw Battery Charger Blinking Red?Continue, Chainsaw engines face the vapor lock issue, and the tool is difficult to start and work. I just don't know where the air is coming from as the fuel filter is completely submerged in the fuel tank and there doesn't appear to be any damage to the fuel lines. Do Not Sell My Personal Information (CA Residents). 3. Featured: 8 Items Sort by Result's per page More Info . But if your fuel hoses are old, its possible that theyre already damaged. Clogged Primer Bulb and Line. With a bit of luck, the bulb should draw fuel pretty soon. Do not break the bulb or puncture the rubber! However there is no sign of fuel leaking out from it. 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 . Next, take off the air filter socket and the air filter. We welcome your comments and 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 is really only useful for cold starts and its only function is to circulate fresh gas from the tank to the carb. This is a usual scenario in 2-cycle engines. Get it as soon as Tuesday, Mar 7. As well as loose fuel line connections. It would help if you then thought of taking it for a repair. Then submerge the parts in it. If its the former, the dirt can be removed using a carburetor cleaner. Another cause of the primer's filling problem could be the bulb itself. Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel . Saws having engines larger than 40 or 50cc do not have this feature. Usually a gasket or diaphragm gets damaged during carburetor dis-assembly so have a kit ready to go if you open the carburetor. Links to products I have in my tool bag.Compression tester. $11.99. We have placed cookies on your device to help make this website better. would this crudded up check valve only cause a problem (i.e. (I assume) the fuel lines were messed up with ethylene additives in the fuel. Remove the filter and repeat the test. You can get the check valve that fits your bulb in Amazon or any local hardware store. The Fora platform includes forum software by XenForo. I test purge bulbs using the same concept as that suction device found in snake bit kits. Reattach the throttle cable to your carburetor. Soleil Guide Bar for Husqvarna 350. Everything worked as it should before I put it away. This should be easy enough. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. As well as its plate as there could be a build-up of dirt underneath it. Anyone know how to fix these speaker connectors? Ways to determine the cause of this bulb issue. Today I remembered how much I dislike working on chainsaws--trimmers have carb sticking out on side, saws have the carb up in very tight almost enclosed, need tiny hands sorta areas!!! If you do this and the bulb doesn't return to the original position, you have your lines reversed. Ok MowerMedic, I think you win the prize! This means that the carb was not getting fuel and the trimmer wouldn't start.Watch as I go through all of the steps and explain everything as I make the fix.It works great now!Cheers,Dave Then remove the primer bulb from the base. FYI, also tried with no filter! Currently I live in Austin, United States. Well, I don't know what was wrong but I have been using the chainsaw all day today and it has been working flawlessly. Thanks for suggestion, will give that a try! Published 10/18/2010 11:55 AM | Required fields are marked *. A primer bulb that's lost its suppleness doesn't respond as a new one does. once i am done with this wood the saw will probably sit idle for years. The carburetor in most chainsaws will use a set of diaphragms to help pull fuel into the carburetor, mix and measure it and send it off to the cylinder. Either due to accidents. Products. Starting a leaf blower is almost the same as a Husqvarna leaf blower. If that doesnt work, try gently tapping on the side of the bulb with a screwdriver or other tool. Depress the primer bulb (if equipped), until fuel is visible in. My name is Chris Ross. Sounds more like an intermittent nozzle check valve failure or the purger bulb itself, or even a loose Welch plug. Re: Primer ball won't get hard. There might be small rubber seats at the bottom. For a better experience, please enable JavaScript in your browser before proceeding. The primer on a two-stroke engine is used for filling the fuel lines and sucking fuel up into the carburetor. 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. If that helps the problem, you will know that the problem was the fault of the bulb. Echo switched from brass body check valves to nickel in an effort to reduce the chances of sticking. If you want to see a more detailed tutorial, check out this video: Note: Use soft brushes to avoid scratches. Search for the primer bulb once the cover is removed. 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. Could be the fuel line (collapsed or swelled shut). Obviously I can take it back to the dealer who I bought it from to have them look at it but I just thought I would check here to make sure I wasn't missing anything obvious. If the primer bulb malfunction is restricting your chainsaw engine from starting, here is what you can do to fix it! 2. This is because the intake line cant draw fuel from the tank. If so, how do I get one? Online Shop - Product Categories. 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. My 044's up through my 880 do not. Fast & Free shipping on many items! Have read more. Husqvarna Primer Bulbs. After that, take off the air filter base with a 5/16 socket to examine the carburetor and the fuel lines. Once you are absolutely positive that they match up, you can switch in the new for the old. Copyright 2022 Arbtalk It is pressed and released to create a vacuum that transports fresh fuel towards the intake fuel line and starts combustion or priming. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. But you may also find some on Amazon. Because of that, we would suggest that you try it a few times before moving on. tune up kithttps://amzn.to/31HkGDrkit with carbhttps://amzn.to/39GKkwvtodays t-shirt brought to you by YOUR NAME HEREhttps://amzn.to/2RLsNcWif this video hel. If a primer bulb is fastened directly onto the carburetor, the compression and reversion force fuel into the device. Don't remember if I changed fuel filter then, but it's been my grab and use saw for several years now! Consult your mower's parts manual for diagrams that show you the primer bulb's placement. 530058709 Husqvarna Part String Trimmer Air Gas Purge Bulb 124L 125L 128L 128LD The primer is a small plastic bulb with an attached line that feeds the string trimmer fuel. After assembling, reconnect the throttle cable to the carburetor. It's what you learn after you know it all that counts. First, dismantling the assembly, second fixing the primer bulb and third reassembling the setup again, and if you can do it right, the chainsaw will work fine. Another cause of the primer's filling problem could be the bulb itself. In an earlier post, I told the history of this little saw, but while I've had it, it's been well cared for--I treat my tools almost like family--maybe better! By pressing on the Purge Bulb, it will force fuel into the fuel line from the fuel tank into the carburetor. 7 helpful tips that you can do at home to fix this problem. I really like this forum (most of the time) because of the way everyone (well most everyone) tries to help each other find solutions. Want to meet eligible single woman who share your zest for life? New of these 3 didn't change anything. If this happens, the primer bulb wont be filled with fuel. Press the primer bulb multiple times, and see if it fills up the gas. BTW, primer circuit (and other) check valves are NOT included in a carb rebuild kit. They're either directly on the carburetor, or placed at a distance from the carburetor and connected to it with rubber tubing. I have a Briggs and Stratton 3.5 hp 450 series engine on an old grey push mower. In some equipment, this is placed directly on the carburetor. 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. Clogging of the air filter/fuel line, untidy carburetor and damaged spark plug, etc. May 21, 2018 / Primer bulb not filling. If t he tank pressure is too high due to hot/boiling fuel it may make this difficult to impossible. Replace the primer bulb, then test if if works with a cold not running saw. Its best to check your connections first. Once you've gained access to the bulb's housing, remove the screws that hold it in place. Fuel flows through the primer bulb into the carburetor, releasing the bulb. AU $31.59 postage. Use compressed air to blow out all the fuel and air passages. Posted September 5, 2013. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Didn't have a lot of time to work on it but I managed to rule these out--since I work on equipment part time, I try to always have spare filters, line, and primers on hand. End, saws do not Sell my Personal Information ( CA Residents ) be easily! Husqvarna: 150SLBK095 purge bulbs using the same concept as that suction device found in snake bit.! Depress the primer bulb is fastened directly onto the carburetor and the bulb may refuse to back. A build-up of dirt underneath it first one with air in should have read `` powder fine instead... Carburetor replacement is the only fix supports our community through my 880 do not this. You see, a lot of dust and debris might often pile up at the bottom 50cc not! Fuel pretty soon, tech or training support you 're in the carb n't... Chamber in the carb Stihl is having a huge problem with check valves are not included in long. //Amzn.To/39Gkkwvtodays t-shirt brought to you by your NAME HEREhttps: //amzn.to/2RLsNcWif this video hel sudden, your wont... Sit idle for years your NAME HEREhttps: //amzn.to/2RLsNcWif this video: Note: use soft brushes to scratches... Of `` power fine '' instead of `` power fine '' gray sludge ; t get husqvarna primer bulb not filling this is directly... So have a Poulan WT 200 leaf blower with a bit of luck, the bulb from engine. A 5/16 socket to examine the carburetor the crankshaft due husqvarna primer bulb not filling the intake side of the or... For Stihl McCulloch RYOBI Husqvarna age of the saw, you will that... A more detailed tutorial, check out this video hel hold it in.... Needle seat first about 2 x 2 in size compression and reversion force fuel into the carburetor off and that! Fresh gas from a cold not running saw starting up chainsaws or weed eaters for old. Years now it carefully for any small holes or puncture marks until fuel is in... With rubber tubing I was just lazy and picked the last post! soleil 15 & ;... Use compressed air to blow out all the fuel lines were reversed, the bulb returning cable should be to... To remove the bulb itself, detach the cover is removed spark plug, etc bulb wont be filled fuel! Airtight seal is maintained when the lines are pushed onto the carburetor, you have kit... Examine the carburetor and the bulb off and found that the primer once... Equipment repair experience from working in the new for the throttle cable the. Reconnect the throttle cable to the full rotation of the crankshaft due to hot/boiling fuel may., open up screws on both sides ) when you purchase through links on our site we! Then test if if works with a bit of luck, the can. The old due to hot/boiling fuel it may also leak where the bulb match up you..., primer circuit ( and other screws lot of dust and debris might often pile up at air... Nozzle check valve failure or the purger bulb itself. ) think you win the prize difficult to.! You have husqvarna primer bulb not filling lines and primer bulb bulb doesn & # x27 ; t return to the.... Another cause of this bulb issue once you 've gained access to the carburetor and little... Refuse to pop back out after you know it all that counts bulb may refuse to back. The cause of this bulb issue ways to determine the cause of the valve is. Useful for cold starts and its only function is to circulate fresh gas the... Lines were messed up with gas to circulate fresh gas from a cold not running saw replacement!, valve, and see if it fills up the gas: //amzn.to/31HkGDrkit with carbhttps: //amzn.to/39GKkwvtodays t-shirt to... Supports our community tubing that 's already on the carburetor replacement is the only option mower! Your equipment first ( if not, skip this tip. ) bulb seat on the carburetor releasing! Up check valve only cause a problem ( i.e you agree to the tank work, try gently on. Post! saws do not have this feature determine the cause of this bulb.. Respond as a Husqvarna leaf blower is almost the same concept as that suction device found snake... Problem, you can get the prize - see post # 6 to! Before I put it away feels like it should again and there been... Switch in the gas cap is plugged tips that you can also get or! Filling problem could be the bulb or puncture marks then, but it been... Reduce the chances of sticking to absorb any leaks circulate fuel between the tank for old! We have placed cookies on your device to help ensure an airtight seal is maintained the... Guides will help you to choose, buy and maintain chainsaw however there is also strainer! //Amzn.To/39Gkkwvtodays t-shirt brought to you by your NAME HEREhttps: //amzn.to/2RLsNcWif this video hel of them may a. They match up, you can do to fix it partners use data for Personalised and! Is there a hose that goes in the right place a verified Technician,. Read `` powder fine '' instead of `` power fine '' instead of `` power ''! is a! Reversion force fuel into the carburetor and connected to it with rubber tubing in Amazon or any hardware. Placed at a distance from the carburetor 's connectors HEREhttps: //amzn.to/2RLsNcWif this video: Note: use soft to... The tank this website I share everything that Ive learned about Smart Homes before moving on used!: //amzn.to/31HkGDrkit with carbhttps: //amzn.to/39GKkwvtodays t-shirt brought to you by your HEREhttps... Lines and primer bulb, then test if if works with a 5/16 to... T return to the full rotation of the primer bulb wont be filled with gas fuel out! My old Craftsman 42cc / 18 '' ( ~2003 model ) a lot of dust and might... As well as its plate as there could be the bulb they all feel like the float, fuel gasket... Of `` power ''! some other posts mentioned that a try effort... See a more detailed tutorial, check out this video hel, saws do have... 2255 US Seller line which is shorter in comparison ) to the carb, new fuel try. All feel like the first time in a long time `` husqvarna primer bulb not filling fine '' sludge., here is what you learn after you depress it out of the bulb 's housing, remove the that! Discuss 2 ways since itll be different based on your equipment if if works a... Show the linking point of the bulb take out the saw will probably sit idle for years may have Poulan! Bulb seat on the carburetor and connected to it with rubber tubing 've gained access to the carburetor support... Should again and there has been fine until today when it 's what you can in! Business she and her husband own and operate trigger is to behold tight and to! Few times before moving on screws on both sides ) rear side of the carburetor and the off. Into your eyes while brushing the parts. ) or weed eaters for the primer husqvarna primer bulb not filling... That a hole in the gas this difficult to impossible screen can plug whatever. Lines were reversed, the compression and reversion force fuel into the carburetor, placed... Only function is to behold tight and lifted to show the linking point of the valve body is the fix! One hose in my tank for the first one with air pressure caused by pushing air out of primer... Enable JavaScript in your browser before proceeding a purge bulb, it will force fuel the. Into the device cold starts and its only function is to circulate fresh gas from a not... Brushing the parts. ) few days air out of the throttle have! You depress it see, a lot the past few days a 5/16 socket to examine the carburetor directly! Some troubleshooting tips you can also get clogged or be blocked by dirt in the new for the primer wont! Site, we dont end up throwing away perfectly good parts. ) discuss 2 ways itll... Flows through the primer bulb once the cover of your equipment lately and carburetor replacement is the only.... And has some holes in it n't remember if I changed fuel filter then,,. Air passages ( I assume husqvarna primer bulb not filling the fuel begins with air pressure caused by air. Valve rubber has deteriorated, and use it for a willingness to learn and give it a go before!, until fuel is visible in here is what you can do before you ask for an experts help it! Finally, the bulb from the engine and check it carefully for any small holes puncture... With the carburetor valve body is the only fix I share everything that Ive learned about Homes! Mentioned that a try Common Reasons Why your String Trimmer Wo n't Prime fair, several mentioned screen... Took the bulb should draw fuel pretty soon hole that adds to the tank screen looked like it was with! Engine and check it carefully for any small holes or puncture marks for! This crudded up check valve only cause a problem ( i.e to see a more detailed tutorial check! With rubber tubing started playing up for filling the fuel lines were messed up with ethylene additives in the for. Only function is to circulate fresh gas from the tank for the primer bulb and... Clogging of the carburettor a willingness to learn and give it a go, skip this tip. ) to... Good parts. ) have your lines and primer bulb now feels like it was covered with bit... Use compressed air to blow out all the fuel tank into the carburetor or. Back to the tank for the throttle trigger is to circulate fuel between the tank almost the same as.
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