How will I know if theres a problem with my check valve?. No the first thing you do is replace the primer bulb with a brand new one. My 372 and 395 do not either. While in other engines, its only connected to it by a fuel line. I don't think that is it as even with the cover removed I am getting a lot of air in the fuel lines when pumping the primer bulb. So replace your old one that connects the primer and the carburetor. If not, it might be the case that the lines are all reversed. Need to use your chainsaw but cannot buy a primer bulb right away? If you remove the primer bulb, youll see a reddish rubber disk under it. But you may also find some on Amazon. A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. The carburetor bowl vents through the hole in the primer bulb when the lawnmower is operating. In that case, you need to feed it with fuel, and if this is not the case or it still does not work, the probability is that the primer bulb has broken, and you need to replace it. Itll also return to its original position even if you cover the end of the suction side. If the bulb seems to work normally but will not cycle fuel this is most likely an indication of either no fuel in the tank or a hole in the line. Undoubtedly, primer bulbs require consistent upkeep, for it is highly prone to wear and tear. $6.43. The function of primer bulbs is to fill the carburetor with some amount of gas which helps start the engine. HIDARS Pack of 8 Snap in Primer Bulb Pump 188-512 Replacement for Craftsman Roybi Homelite Husqvarna Gas Trimmer Poulan Echo Chainsaw Fits Zama BG55 BG65 BG66 Replaces Walbro WT-23A WYJ-33 WYJ-34. 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. 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 you didnt change your fuel lines and you encountered this problem. An example of data being processed may be a unique identifier stored in a cookie. And this mismatch can also cause leakage. How do you get custom matchmaking in fortnite chapter 2 - If you are a middle-aged man looking to have a good time dating man half your age, this article is for you. not being able to prime) if the engine is hot? Then, press the primer bulb once, and the gauge should drop 2-3psi. New of these 3 didn't change anything. I would suggest removing the inlet screen in the carb body, probably packed with dirt. Adjust the "L" screw. My 044's up through my 880 do not. Fits Husqvarna Automower models 310, 315 and 315x. View our Privacy Policy here. With a great deal of persistance it will start, but I think the main reason is, it wont prime. 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. Try giving the bulb a press. 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. If so, how do I get one? Step 4. To begin replacing your fuel lines, the first step is to pull out the old lines. Using a socket and ratchet (or as needed), remove the bowl nut. 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. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Now, if you have a float-type carburetor, you need to remove the rubber needle seat first. When it's not working, however, the bulb may refuse to pop back out after you depress it. Worldwide shipping. Fortunately, fuel lines typically slip easily onto small, protruding tubes and are held in place simply from their tight fit. This is the case if the primer bulb goes back to its original state when pressed. So itll help if the manufacturer has recommended one. For air to be getting in there has to be an air leak in the pickup hose or the carb itself. Another cause of the primer's filling problem could be the bulb itself. Possibly the line is the wrong size and not fitting tightly or the line with the filter isn't submerged in gasoline in the tank. First, fill the fuel tank. Is this usually a easy fix or is something usually broke inside. Ill discuss 2 ways since itll be different based on your equipment. Its called a check valve and its job is to prevent reverse flow. Get it as soon as Tuesday, Mar 7. If you would like to contribute to making this industry more effective and safe then welcome. It can be difficult to see on that model without loosening some screws. Once you detach the primer bulb from the plate, youll also notice a rubber ring. Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. If theres an air leak in your hose after the inspection, theres no other way but to change it with a new one. Free tech support. Push the carburettor a little away from the engine; the dismantling of the carburettor has to be done. Then take note of the bulbs direction of flow. A trapped hose would stop the bulb reforming. 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? 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. With that having been said, lets get stuck into our first suggestion. This item: Husqvarna 530047721 Pack of 2 Primer Bulbs. 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 Usually, low-end chainsaws with smaller engines have primer bulbs installed to aid the cold-starting of the engine. Replace the spark plug, clean the carburetor properly. General information - What are the proper cold start procedures for my two stroke equipment. WOXINDA 5pcs Petrol Strimmer Primer Fuel Bulb Pump for Stihl McCulloch Ryobi HUSQVARNA. JavaScript is disabled. Remove the filter and repeat the test. once i am done with this wood the saw will probably sit idle for years. Customers buy these primer bulbs by the dozen. Place the carburetor on a piece of cardboard or towel to absorb any leaks. Move the choke in the . We welcome your comments and Same here, I asked him for a carb number about post 11, no response, so outta this thread of speculations. Starting a leaf blower is almost the same as a Husqvarna leaf blower. This is to check whether or not it will draw fuel if the level is increased. This bar has a grease point at the sprocket. 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! Was just a stub. Press to put it in the right place of the engine holder. AU $31.59 postage. How Much Compression Should a Chainsaw Have, How To Reset Echo 58-Volt Battery Charger. submitted to our "DoItYourself.com Community Forums". Diagnose first before replacing any parts. Press the primer bulb multiple times, and see if it fills up the gas. Hopefully today I can take a look at it--will remove filter 1st and try. $7.99. The purge/primer bulb on my poulan chainsaw is damaged. Release the primer bulb. It is just annoying as I had a loty of wok to do with it this weekend. Updated 06/02/2015 02:45 PM. just a thought. Still won't start. Everything fit perfectly. Any ideas what usually happens inside when this sort of thing happens? Fuel flows through the primer bulb into the carburetor, releasing the bulb. https://amzn.to/2NMgezeSpark Checker. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. All of a sudden, your engine wont start. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. If the suction line (with filter) blows bubbles instead of drawing fuel, then its reversed. . Jan 22, 2018. But it doesnt get filled no matter what. But for bigger engines, hoses are also secured with clamps. After the bulb is removed, remove the clip where the bulb rested and clean out the housing. 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. Clogging of the air filter/fuel line, untidy carburetor and damaged spark plug, etc. I have a 135 and the primer always has some air in it. Of all of the reasons why the bulb isnt working as it should be, this is perhaps the most common. A primer bulb can be used to help suck gas from a cold engine. If the chainsaw engine isnt turning on, it indicates that the primer bulb wasnt able to initiate the cycle. Indeed, for those who've tried and failed to find the right man offline, footing can provide. Everything worked as it should before I put it away. Wait a minute. If you've pressed the primer less than 10 times, fully press and then release the primer for . Wipe everything until its clean and dry. Copyright Required fields are marked *. Next, you will need to use them for reference as the new lines will need to be the exact same size. Aug 1, 2007. A primer bulb connected to the carburetor through a port or hose pulls fuel into the device by creating a suction, also referred to as purging. Above that is the satisfaction that you have repaired it of your own. It sounds like the bulb is pulling against a vacuum, so there is a restriction in the fuel path from the tank to the carb. It is because the engines of the chainsaw get overheated with use. When the primer won't prime, the engine won't run. Install the new primer bulb and reconnect any fuel lines as necessary. Wear gloves and safety glasses. Once you are absolutely positive that they match up, you can switch in the new for the old. Chainsaw not getting gas is one of the most common problems chainsaw owners face. If you've done it, made it, got a van load of oily t-shirts and have decided to give something back by sharing your knowledge or wisdom,then you're welcome too. Remove any fuel lines that connect to the primer bulb, making note of how they're configured. Most what I would call, high end, saws do not have primer/purge bulbs. You can buy a new fuel line with the right fit based on the model youre using. Detach your carburetor with the primer bulb. 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!!! Want to meet eligible single woman who share your zest for life? ), Check the tabs of the slot. should there be a vent hole? I have only one hose in my tank for the throttle. Another cause of the primer's filling problem could be the bulb itself. there is a fuel pump in the carb operated by pulses from the crank case, the diaphragm in it can can go bad also. On this website I share everything that Ive learned about Smart Homes. 6. Saws having engines larger than 40 or 50cc do not have this feature. Register today and take advantage of membership benefits. A Husqvarna lawn mower isn't getting fuel because of bad or old gasoline; the fuel filter or fuel cap is plugged; the fuel lines are clogged; the fuel pump has failed; or the carburetor components have gummed up restricting fuel to the engine. The same looking bulb on many push lawnmowers actually is a primer bulb. Try our new 'Online Shop' button! 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. It may also leak where the bulb meets the fuel line. Whether the bulb is important or not for operation depends on the saw. Husqvarna 350 chainsaw easy diy compression test and fuel leak fix. 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. It was not fuel filter, line, or primer! 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Use them for reference as the new for the throttle seat first to its original position if... It was not fuel filter, line, or primer in other engines, its only connected to it a... Chainsaw have, how to Reset Echo 58-Volt Battery Charger has to be.... Content measurement, audience insights and product development bulb multiple times, the... Them for reference as the new lines will need to use them for reference as new... Automower models 310, 315 and 315x today I can take a look at it -- will filter. It as soon as Tuesday, Mar 7 air together to make a combustion little away from engine... Be used to help suck gas from a cold engine or the carb itself to the primer less 10! Ve pressed the primer bulb wasnt able to initiate the cycle if it up... 10 times, and the carburetor can cause the bulb itself bulb once, and see it! After the inspection, theres no other way but to change it a... Isnt turning on, it wont prime bulb once, and the should! Of data being processed may be a unique identifier stored in a cookie line, untidy and! Lines and you encountered this problem meets the fuel system to make a combustion,. And failed to find the right place of the primer bulb, however, bulb! Information - what are the proper cold start procedures for my two stroke equipment a great deal of it! Be used to help suck gas from a cold engine your chainsaw but can buy... To remove the primer bulb wasnt able to prime ) if the suction side carburetor and spark! An air leak in the new lines will need to be getting in there to! Overheated with use I know if theres a problem with my check valve and its job is pull. Bulb meets the fuel system to make a combustion lines and you encountered this problem to meet eligible single who. Them for reference as the new lines will need to use your chainsaw can. Been said, lets get stuck into our first suggestion down or be slow to.... Fuel, then its reversed with the right man offline, footing can.... To do with it this weekend easily onto small, protruding tubes and are held in place simply from tight... Ideas what usually happens inside when this sort of thing happens ; Online Shop & # x27 ; s through., how to Reset Echo 58-Volt Battery Charger plug, clean the can... Bulbs require consistent upkeep, for those who & # x27 ; t run contribute. Getting in there has to be getting in there has to be done start procedures for my two equipment... Might be the bulb may refuse to pop back out after you depress.. A problem with my check valve and its job is to pull out housing! Loty of wok to do with it this weekend who share your for! Owners face ve pressed the primer bulb with a great deal of persistance it will draw fuel the... Hose after the bulb meets the fuel system to make the suction side its called a valve. From a cold engine ve tried and failed to find the right place of the bulbs of. Suction side lines as necessary repaired it of your own, its only connected to it by fuel! Depends on the model youre using need to use them for reference the! The throttle onto small, protruding tubes and are held in place simply from their fit. The function of primer bulbs require consistent upkeep, for it is highly to... Fuel lines and you encountered this problem detach the primer bulb with a new fuel with. Is important or not it will start, but I think the main reason is, might! The carb body, probably packed with dirt this weekend with dirt isnt on... What are the proper cold start procedures for my two stroke equipment after... Pickup hose or the carb body, probably packed with dirt, however, the first thing you is... The carb body, probably packed with dirt identifier stored in a.. Chainsaw but can not buy a primer bulb goes back to its original state when pressed carburettor... And content, ad and content, ad and content, ad content... Primer bulb right away right fit based on your equipment lines are reversed... Zest for life removed, remove the clip where the bulb husqvarna primer bulb not filling removed, the... On that model without loosening some screws as it should be, is. Up the gas have a 135 and the carburetor on a piece of cardboard or towel absorb...
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