OK, not really. Your email address will not be published. When it's not working, however, the bulb may refuse to pop back out after you depress it. A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. 25% more rivets than any of the other leading brands. Turn the screw clockwise to increase the idle speed of the blower or counterclockwise to decrease the idle speed. The link has to be pulled off and disconnected. on the part of the line that leads to the tank itself. (Remove the primer bulb first, if its clipped, unclip it. Jan 22, 2018. Press to put it in the right place of the engine holder. Thanks, Cars, SUV's, Vans, Trucks, RV's, Boats and Gasoline Outdoor Power Equipment, Outdoor Gasoline and Electric Powered Equipment and Small Engines. Did nothing happen? May 21, 2018 / Primer bulb not filling. The bulbs on most chainsaws are purge bulbs which mean they circulate the fuel through the carb but don't actually prime the engine. Remove the filter and repeat the test. The primer fuel line is to be removed from the carburettor next. The consent submitted will only be used for data processing originating from this website. Hunker may earn compensation through affiliate links in this story. 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. Repairing it from a mechanic will cost you time and money. Air then refills the . 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. air filter was cleaned out before starting my sawing a few days ago. Making a temporary fix with the replacement of the primer bulb on a chainsaw is easier. 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. After the bulb is removed, remove the clip where the bulb rested and clean out the housing. It is great to have a chainsaw at home, even if you are not a professional lumberjack. It's what you learn after you know it all that counts. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Detect the intake and the return ports of the primer bulb. Links to products I have in my tool bag.Compression tester. Your primer bulb wont be filled with gas because it might be damaged. 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. That way, we dont end up throwing away perfectly good parts. Next, you will need to use them for reference as the new lines will need to be the exact same size. Book reviews, gardening and outdoor lawn equipment repair articles and short fiction account for a handful of her published works. If you have followed each step correctly and coiled everything well, it hopefully will work. 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. Saws having engines larger than 40 or 50cc do not have this feature. 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!!! Remove the screws that hold the primer bulb. Of course, if you are in any doubt, it would be best to consult with a professional. So make sure that the tabs on your bulb fit the ones in the slot when you snap it into place.). Are you sure that all your lines and connections are fine? I went to start my mower and it just started making a really loud buzzing sound. I have a Briggs and Stratton 3.5 hp 450 series engine on an old grey push mower. But if its the latter, it needs to be changed. Try giving the bulb a press. This suction brings enough gas into the carburetor and cylinder to start the engine. Priming begins with air pressure caused by pushing air out of the primer bulb into the fuel tank. Step 3. Check out also: 6 Steps To Fix Roomba Error 2 In Seconds & Eufy Robovac Not Charging: 10 Causes & Fixes. I took the bulb off and found that the check valve rubber has deteriorated, and has some holes in it. Check for any holes or cracks. 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. Note: When replacing your lines, do the previous test that I discussed earlier. Shaki said: Hi all, I ordered and replaced the fuel line, fuel filter and bulb on my Husqvarna 125B leaf blower. Thus, the primer bulb is a purge bulb, too. Luckily, this is a fine example of a job you can easily get done from the comfort of your own home. It is really only useful for cold starts and its only function is to circulate fresh gas from the tank to the carb. You are using an out of date browser. $6.43. As well as loose fuel line connections. The Stihl 461 had some issues as well. Now, take a closer look at your bulb. A trapped hose would stop the bulb reforming. But take note, there still might be some discrepancies in the steps. A plugged fuel filter can do the same. This is a usual scenario in 2-cycle engines. Product support - My two stroke equipment runs approximately 15 seconds and dies. And this might be the reason why youre not getting gas in your primer bulb. Remove the screws that hold your carburetor. I love to write about chainsaw for homeowners and professionals. to this site, and use it for non-commercial use subject to our terms of use. But take note and list down of their placements. Also fits 310, 315, 315X og Gardena Sileno City, Sileno+ . https://amzn.to/. lets get stuck into our first suggestion. 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. Its best to check your connections first. Consult your mower's parts manual for diagrams that show you the primer bulb's placement. 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. For a better experience, please enable JavaScript in your browser before proceeding. Yes the brand new carb came complete with the primer bulb. Honeywell Thermostat Screen Not Responding: Fixes, 3 Common Eufy Camera Problems Troubleshooting. This particular problem doesnt require you to have much, except for a willingness to learn and give it a go. Clean The Air Bulb Seat. This bar has a grease point at the sprocket. That sounds like an air leak in the intake line. Want to know more about this website and me? The inlet screen looked like it was covered with a "power fine" gray sludge. Now, if the lines were reversed, the primer bulb wont be filled. It does sound like vapor lock may be the issue. The reason why your primer bulb stops filling with gas. If the chainsaw engine isnt turning on, it indicates that the primer bulb wasnt able to initiate the cycle. Looking for an old soul like myself. Instead, you should know the way to make a temporary fix and see if it is reworking. Adjust the "L" screw. All saws can experience vapor lock, especially with not so good fuel and really hot weather, but most of the better saw won't experience this, as proper desighn keeps the fuel tank, fuel lines and carb cooler. After cleaning, keep the chainsaw in its normal position, and start putting in the new fuel lines.Put the one to be placed in the right hole first, make insertion steeper, and keep going as far as possible.Now, take bent long nose pliers to pull at least half-inch of the fuel line into the tank. We and our partners use cookies to Store and/or access information on a device. To begin replacing your fuel lines, the first step is to pull out the old lines. Place the plastic underneath the retainer then reinsert the bulb into it. 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 . (Normally, bulbs will only fit one way for security. We have placed cookies on your device to help make this website better. The only thing I can think of is if there is a leak in the primer bulb itself and that is letting air in. 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. An example of data being processed may be a unique identifier stored in a cookie. Replace the air filter, and cover up the chainsaw. If t he tank pressure is too high due to hot/boiling fuel it may make this difficult to impossible. 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. Whether the bulb is important or not for operation depends on the saw. Follow the reverse steps you have dismantled. Cover the end of the discharge line (without the filter) using your thumb or any finger. 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. Required fields are marked *. After that, just release the bulb again. For air to be getting in there has to be an air leak in the pickup hose or the carb itself. Check the points on the underside of the bulb as well. Did that "new" Carb include a new Primer Bulb ? (I assume) the fuel lines were messed up with ethylene additives in the fuel. Again, you can get the item that suits your model from a local hardware store nearby. Yes the bulb returns to the original position every time,but will not draw gas up the fuel line. Now, if you didnt change your fuel lines and you encountered this problem. If none of these things work, you may need to replace the primer bulb. Remove the screws that hold the air filter in place. So its best to check its condition as well, along with the check valve. How to fix a primer bulb that won't prime and fill with gas, small carburetor, small carb. I may have to go back to my old electric chainsaw until it is fixed. Putting a screwdriver in the holder of the primer bulb and pressing it will make the bulb come out. Follow these steps for problem identification: If the fuel tank is out of gas, fill it up before proceeding further. Put the last fuel line, from the right side of the carburetor to the shorter port of the primer bulb at the back. The problem is most likely due to the fact that the intake line has sprung a leak. If that helps the problem, you will know that the problem was the fault of the bulb. If not, we will have to move onto the next step. This eliminates the possibility of vapour lock preventing its function. Put it all back together, primer works as it should, ran it for about 30 minutes, running good. Move the choke in the . It's saved me several times!! If you've pressed the primer less than 10 times, fully press and then release the primer for . 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. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. Check the points on the underside of the bulb as well. 4.7 (17) $999. Cracked Primer Bulb Can Begin to Leak Fuel. You may freely link You can do this with a paper towel. Currently I live in Austin, United States. You can try replacing the purge bulb but usually they get hard and crack instead of getting soft and weak. Questions of a Do It Yourself nature should be So as you go on the fixes, keep in mind that some tips may not be applicable to all primer bulbs. Local hardware stores could help you with this. Stihl is having a huge problem with check valves lately and carburetor replacement is the only option. (The primer bulb will be covered with plastic and this acts as a temporary seal.). Sounds more like an intermittent nozzle check valve failure or the purger bulb itself, or even a loose Welch plug. With a great deal of persistance it will start, but I think the main reason is, it wont prime. Make the tank dry and check there is no fuel inside and unscrew the top cover of the chainsaw. The primer on a two-stroke engine is used for filling the fuel lines and sucking fuel up into the carburetor. It is pressed and released to create a vacuum that transports fresh fuel towards the intake fuel line and starts combustion or priming. This should be easy enough. $7.99. All rights reserved. While youre at it, make sure to also clean the bulbs interior using a soft piece of fabric. Well, I don't know what was wrong but I have been using the chainsaw all day today and it has been working flawlessly. After assembling, reconnect the throttle cable to the carburetor. 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! When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburetor. And its to load fuel into the carburetor for combustion. 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!!! How will I know if theres a problem with my check valve?. Move choke lever to the Closed/Cold Start position. Replace the air filter, and cover up the chainsaw. Of all of the reasons why the bulb isnt working as it should be, this is perhaps the most common. Copyright 2022 Arbtalk once i am done with this wood the saw will probably sit idle for years. Bulb Primer 2 X For Stihl McCulloch Flymo Fuel Bulb Pump Primer Strimmer. 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. I'm a lady. . it seems like pushing the bulb is a simple operation and should suck out gas from the tank. Take the second line, cut it to a suitable length and attach it to the longer port of the primer bulb. Ok, to be fair, several mentioned the screen in the carb--I was just lazy and picked the last post!!
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