After that, just release the bulb again. Once you've gained access to the bulb's housing, remove the screws that hold it in place. As well as heat expansion. Sometimes, pressing the bulb will cause it to leak when it becomes overfilled with fuel. Testing the Inflow Side of the Carburetor: Connect the pressure gauge to the carburetor's intake pipe and pump, pressurize the carburetor to 7psi and watch the gauge. AU $39.10. lets get stuck into our first suggestion. 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. The bulb is in fact a purge bulb rather than a primer. And these could become loose over time. 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. Above that is the satisfaction that you have repaired it of your own. Product support - My two stroke equipment runs approximately 8 - 15 minutes and dies. May 28, 2015. There's a slight resistance when you push it, and you can feel that it's pulling fuel from the gas tank. Thank you not being able to prime) if the engine is hot? The primer is a small plastic bulb with an attached line that feeds the string trimmer fuel. Now, press the primer bulb, and see if it is filling up with gas. So it provides an airtight seal to the bulb to ensure that the carburetor pumps enough fuel. Arbtalk.co.uk is a hub for the arboriculture industry in the UK. My 372 and 395 do not either. Going from 50 year old luan to 6 panel bedroom door - how would you do it? $10.95. Want to meet eligible single woman who share your zest for life? 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? The problem is most likely due to the fact that the intake line has sprung a leak. We have placed cookies on your device to help make this website better. I love to write about chainsaw for homeowners and professionals. (Normally, bulbs will only fit one way for security. I should get the prize - see post #6. Carburetor diaphragms should be replaced by a professional. Steps to Fix a Chainsaw Primer Bulb for Emergencies. 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). 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. Move stop switch button away from the stop position. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. A primer bulb can be used to help suck gas from a cold engine. Everything fit perfectly. Turn the screw clockwise to increase the idle speed of the blower or counterclockwise to decrease the idle speed. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. FREE delivery Tue, Feb 28 on $25 of items shipped by Amazon. Though its not ideal, we would suggest that you try using another primer bulb. You're going to have to do this yourself as paying somebody to do it would be cost-prohibitive for a saw like that. can someone explain what is actually happening (or really NOT happening - the bulb filling with gas) if it is vapor lock? So check your owners manual as well for verification. 25% more rivets than any of the other leading brands. Next, you will need to use them for reference as the new lines will need to be the exact same size. The Stihl 461 had some issues as well. Check the fuel hoses' connections with the 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 . 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. So why wait for someone else to fix your chainsaw when you can do it? And what are some troubleshooting tips you can do before you ask for an experts help? Now, some of them may have a 2-cycle or 4-cycle engine. 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. For a better experience, please enable JavaScript in your browser before proceeding. Bad Husqvarna Gas . We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If that helps the problem, you will know that the problem was the fault of the bulb. 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. ISE replacement battery for Husqvarna Automower 315 589 58 62-01. #1. Over time, they become brittle. Is there a hose that goes in the tank for the primer bulb? Usually, low-end chainsaws with smaller engines have primer bulbs installed to aid the cold-starting of the engine. I noticed that when punping the fuel priming bulb it is not filling up and seems to have a lot of air in it. (Ensure that every all joints are tight and secured. You see, a lot of dust and debris might often pile up at the air bulb seat on the weed eater. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. Step 3. A plugged fuel filter can do the same. Anyone know how to fix these speaker connectors? The primer bulb sits in the middle of this return line on most chainsaws. Then take note of the bulbs direction of flow. So if you have a broken primer bulb, look for a replacement at once. General info - What is the purpose of the purge bulb? Reconnect the longer/return line as well to the longer nipple. Unfortunately, if switching out the primer didnt do anything to remedy the situation, that would indicate that you may need to change out your fuel line for a new one. When vapour locked and not priming, try holding the throttle open while pulling starter. 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. Thanks for suggestion, will give that a try! September 5, 2013 in Chainsaws. The inlet screen looked like it was covered with a "power fine" gray sludge. Disconnect the fuel line from the carburetor. Want to meet eligible single woman who share your zest for life? 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 . I couldn't turn the mower on and couldn't get rid of the noise. Please take off the holding of the carburettor and take away the carburettor and its choke lever. At this point, it's pure speculation since no testing has been performed. And this mismatch can also cause leakage. Either due to accidents. 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. Remove the screws that hold the air filter in place. Try our new 'Online Shop' button! 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 just pulled it out of the shed (4 months later), filled the fuel tank, and to my surprise. the primer purge bulb didn't fill like it was supposed to. The purge bulb works by drawing fuel through the fuel filter, fuel line and carburetor. If you've pressed the primer less than 10 times, fully press and then release the primer for . If the primer bulb malfunction is restricting your chainsaw engine from starting, here is what you can do to fix it! Next, the remedy above is only short-term. Then pushes the fuel out the return lineinto the tank. If you remove the primer bulb, youll see a reddish rubber disk under it. The way these systems work is to circulate fuel between the tank, metering chamber in the carb, and back to the tank. Have read more. Will let you know what I find. The link has to be pulled off and disconnected. DIYSmartHomeHub.com is a participant of the Amazon Services LLC Associates Program, an affiliate advertising program it is designed to provide an aid for the websites in earning an advertisement fee by means of advertising and linking to Amazon.com products. As a rule, it's a good idea to replace the primer bulb and the fuel lines at the same time when you have the primer bulb assembly dismantled. 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. If its the former, the dirt can be removed using a carburetor cleaner. As well as to its other metal parts. Need to use your chainsaw but cannot buy a primer bulb right away? Vapor lock also messes with the check valve. Step 4. While vapor lock could cause this issue, more likely it is just crudded up check valves in the primer circuit in the carb. Whether the bulb is important or not for operation depends on the saw. Now, if the primer bulb is in good condition, proceed to the next steps below. Dont know how to repair the existing one? ), Check the tabs of the slot. Husqvarna Primer Bulbs. home improvement and repair website. with the engine cold or hot). The primer button on a chainsaw is used to draw fuel from the tank and into the body of the machine. Replace any worn or cracked bulbs. 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. Your email address will not be published. After the bulb is removed, remove the clip where the bulb rested and clean out the housing. The hoses or the carburetor may be clogged as well. Luckily, this is a fine example of a job you can easily get done from the comfort of your own home. 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. There is enough gas in the engine to start with the help of this suction. Place the carburetor back. On this website I share everything that Ive learned about Smart Homes. 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.. Part of their legitimate business interest without asking for consent is important or not for operation on... For a replacement at once, metering chamber in the UK a chainsaw primer can... A fine example of a job you can do it would be cost-prohibitive a... Chainsaw for homeowners and professionals then pushes the fuel priming bulb it is not filling and. 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Have a broken primer bulb right away filling with gas ) if the engine is hot the noise job can. Husqvarna Automower 315 589 58 62-01 clockwise to increase the idle speed crudded up valves. Explain what is the purpose of the machine another primer bulb for Emergencies primer! Mower on and could n't get rid of the engine is hot here is what you can feel that 's!