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08 Jan 2021

primer bulb won't fill on weedeater

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May 28, 2015 #2 A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. Arrives before Christmas Only 10 left in stock - order … This little saw has an interesting history--bought it off CL for the very expensive price of $15 from a guy who flips houses. It's what you learn after you know it all that counts. Also before I replaced the fuel lines there wasn't really a problem with the carburetor and it would pump in and out fuel fine. Print this topic. My Ryobi backpack blower would idle but not run properly at full speed, just misfired a lot. Will let you know what I find. Depending on age of the saw, you may want to replace the entire carburetor. It can't perform this function when it collapses; if this happens, you may find your trimmer impossible to start. Check this web site and look at the illustrations. When pressed it draws gas from the tank and lets it in to the carburetor. Over time, the primer bulb may begin to deteriorate or crack. That's because the collapse, which may be due to the bulb itself, can also signify a blockage in the line leading to the bulb from the fuel tank. Punctured or torn primer bulbs will not prime the motor. Hopefully today I can take a look at it--will remove filter 1st and try. A primer bulb that's lost its suppleness doesn't respond as a new one does. Metric Combination Wrench Set, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman CM-IFMD-2 100' Medium-Duty Garden Hose. Uncle Knuckle LawnSite Senior Member. It is blocked by debris that is DISSOLVED in the fuel. Clamping one line off at a time and pumping it does help tell you the condition of the primer check valves. The very small passages in the carb may need to be cleaned out with a … I am completely stuck. 02/19/2012 07:23 PM DHodges34 Posts: 1779 Joined Forum: 07/31/2003. I do have an ultrasonic cleaner and a kit (I try to always have a kit on hand for each piece of equip). It sounds like the fuel lines and bulb are fine. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. Your question was published, help is on its way! Could be the fuel line (collapsed or swelled shut). Tina. Wade_b, thx for the info. U. That was my next adventure considering so far this thing has cost me nothing. A primer bulb is important because it is helps to fill the carburetor with the correct amount of fuel. You can try replacing the purge bulb but usually they get hard and crack instead of getting soft and weak. With the arrow pointing to the side where you pulled the hose off. If a carb.-mounted primer doesn't fill, it could be the primer plate is NG. Cleaned the carb and when I put it back together the primer bulb would not fill. It can float in the gas and settle against the fuel filter, blocking all in-flowing gas. While you wait for an expert reply, I did some research on your question & found a link that provides a video. I understand the concern that your having since it seems that you have double checked your work on the repair. I just put a new carburetor on it but it won't prime & start. I have made sure that the lines are running to the right stub outs on the carburetor and the overflow line is running right inside the gas tank with the little plastic piece inserted in the line. You may need to fix or replace your primer bulb if: it is not creating proper suction, has a crack in it or; is not creating pressure when you press it. Husqvarna vs craftsman are they interchangeable? If the … When it does run, at least the couple of times I have gotten it to it is spitting out I assume gasoline from the muffler. It does this by pulling fuel through the fuel line. 4. When you take the fuel cap off for refueling, grass, dirt and other debris can fall into the tank. Primer bulb won't fill until starter fluid is used #726125 08/31/12 12:45 AM 08/31/12 12:45 AM: Joined: Jul 2010 Posts: 153 Florida,USA. Sometimes a primer won't fill, but the engine will still run ok - rare, but it happens. Remove the filter and repeat the test. I didn't see the link that you stated was below, can you repost it? Stihl is having a huge problem with check valves lately and carburetor replacement is the only option. You can try replacing the purge bulb but usually they get hard and crack instead of getting soft and weak. Don't remember if I changed fuel filter then, but it's been my grab and use saw for several years now! Piston and cylinder looks great from what I … I'll attach it again onto this post. I pulled the gas line out of the tank and backflushed the fuel filter with air. Thu, Aug 15, 2019 12:27 AM. I'm pretty new to taking care of the lawn and equipment myself but I'm learning. I have taken the spark plug out and put gas/oil mix directly into the cylinder, and it starts quickly and runs for a few seconds. Take a little extra care to wipe dirt and oil away from the recently disassembled carburetor before putting it back together. This article provides step-by-step instructions for removing and installing the primer bulb on an Echo SRM-225 trimmer. 5. Check valves are non-serviceable and replacement of the valve body is the only fix. The plate with four screws attached is your metering valve side. The primer bulb not popping back up when priming indicates that a passage in the carb body is still plugged, despite your cleaning job. Get shopping advice from experts, friends and the community! 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). I still feel like this situation is a problem with the carburetor itself. Install the new primer bulb. If the edges have gummed up and stuck to the primer body, the bulb won't fill and symptoms are a bulb that stays pushed in. A primer can also be a small plastic nipple or button on the side of an engine. At this point, it's pure speculation since no testing has been performed. Your saw has a WT-589A carburetor and takes a D10-WAT G&D kit. I double checked to make sure the plug has spark which it does and can pull many times with the choke on and i can see fuel spitting out of the exhaust and still not even a hint of combustion. When pushing the primer bulb, the gas just squirts … You must log in or register to reply here. With that being said could it still be that the carburetor needs to be rebuilt? The primer bulb on a string trimmer draws fuel from the tank to the carburettor to help start the engine. I don't know why my link didn't attach. I do think I would still get a carburetor rebuild kit and replace the diaphragms though. I have a sears/poulan edger #358.797450. I just replaced both fuel lines on my weed eater after 6 years of use. $7.95 $ 7. If not, you can stop by an auto parts store and pick up a can of spray carb/choke cleaner to clean the carburetor. The priming system must be … For the T242, the primer bulb can be pressed into place in the mount plate from which the old bulb came. Trimmer runs great as long as I feed it gas with it. Replace them if they are even slightly suspect. It started and ran for about a minute but when I tilted the weed eater towards the trimmer side or the engine side it would start to sputter. Contact options for registered users. FREE Shipping on orders over $25 shipped by Amazon. Prior to this the last few times it seemed like the primer bulb wasn't working right as it wouldn't fill up with fuel but this time it seems like it is. Many string trimmers have Walbro carburetors. Its like sugar dissolved in iced tea- you know its there but you can't see it because it is in solution. Stihl FS 45 primer bulb will not fill When I attempted to prime the carburetor, I would push the prime bulb down multiple times but it would not fill with fuel. Motor run capacitor 919167312 Craftsman Air compressor, Craftsman 8 pc. Thx for the link. 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's the only saw that I've seen that has the gas tank in the front, bar oil in back--previous owner had fuel and oil in wrong tanks! A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. Get it as soon as Tue, Dec 22. When you release the bulb after pressing, suction causes the flexible edges of the valve to rise and fuel enters the bulb. The fuel line closer to this is your fuel return or exit side going to the primer bulb and from the primer bulb back to the fuel tank. F. Joined: Jul 2010 Posts: 153 Florida,USA: My primer bulb was changed about a week ago and did not fill with gas when primed. I usually recommend the no-cost checks & tests first to rule them out. 4 years ago. No the first thing you do is replace the primer bulb with a brand new one. It basically just walked me though disassembling, cleaning and reattaching the carburetor. I don't condone parts replacement for the sake of parts replacement. HURI 15 Primer Bulb for Echo Trimmer Weedeater SRM 225 230 260 GT210 225 12538108660. In the former case, where the bulb doesn't pop up, the inlet screen in the fuel pump side of the carburetor is usually blocked. Its not a lot but at one point it put out about 20 droplets onto the ground. Posted via Mobile Device . Most likely, the gas is getting blocked at the source. I only use fresh, non-ethanol fuel mix. The primer bulb can’t suck it up without removing it. Any ideas? Hopefully this could help. If the line or the bulb are damaged the engine won't receive enough gas in the chamber for ignition. Topic Title: Weedeater Troubleshooting Topic Summary: Primer bulb won't fill, stays compressed Created On: 02/19/2012 07:23 PM: Linear: Threading: Single: Branch: Topic Tools. Engine rough then primer bulb won't fill. This small plastic bulb and attached line can get clogged or kinked. Echo switched from brass body check valves to nickel in an effort to reduce the chances of sticking. Fortunately, replacing the primer bulb is very easy to do. Clamping off both lines an pumping the primer isn't a test we use. Through this site I found some links to cleaning the carburetor. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. Usually a gasket or diaphragm gets damaged during carburetor dis-assembly so have a kit ready to go if you open the carburetor. There is also a strainer inside the carburetor and this little screen can plug with whatever gets past the filter. Get more answers from the people in your networks. why wouldn't a weedeater run if it don't prime up with gas, My weedeater doesnt have a pump to the tank, all it has is one line from tank to carb, looking for manual for craftsman metal saw 101-22960. If the primer bulb has not been replaced, you may have plugged check valves inside even if the bulb still feels nice and springy. The primer bulb is suppose to fill the carburetor with fuel by sucking it through it through the fuel line (the one with the filter on it). On these carbs, there is a plate on top and on the bottom of the carb. So, I took it apart, removed the carb etc. I don't think the primer bulb itself is what's causing it to die, but may be a symptom of the real problem. A plugged fuel filter can do the same. The other line is just to pump the fuel back into the tank. Inspect the primer bulb itself. Next day I got it to crank but it only stays running if I press the primer bulb. For a better experience, please enable JavaScript in your browser before proceeding. will_beames. When the primer won't prime, the engine won't run. Could be the check valve, or the screen inside the carb is clogged (if it has one). Check the fuel lines for any hardening or cracking. 95. Primer bulb won't fill; Primer bulb won't fill. I've got an update as well that may hopefully help in identifying the issue. Since the new fuel line pulls off and goes back on too easily, it sounds like it's the wrong size fuel line (too big). When the primer won’t hold fuel in the bulb something is either blocking the flow of fuel or air. F. Foreverwood OP member Foreverwood OP member. Diagnose first before replacing any parts. The blower (a Poulan, with Walbro model WT875-A) is only 3-years old, so I don't suspect it would need an o/h kit. M. mandy. Have you tried taking the carburetor apart and clean it? Could be the fuel filter. The same goes for fuel lines. Clean the carburetor and primer bulb components. Loosen and replace the fuel tank cap if the fuel level is normal. I have a Walbro carburetor and the primer bulb appears to work, as it is drawing fuel into the bulb but no fuel is going to the carburetor. When you push the bulb, the edges seal shut and gas can't flow back to the tank. I've got a Stihl Weedeater that I've had for about 18 months. Possibly a completely clogged fuel filter, a stuck primer bulb check valve, a stuck needle valve that controls fuel to the carburetor. 4.7 out of 5 stars 44. It doens't take much as all. 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. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. So I followed the steps and can now pump gas into and out of the overflow and was able to get the weed eater to start but only briefly. One shows the primer bulb pushed and the red is fuel, the blue air. posted 1 year ago. Today, I replaced the fuel filter, air filter, and spark plug, and when I pressed the prime bulb this time, it took about 45 seconds for it to come back up, but, it did have fuel in it. That leaves just the carburetor as being the problems. If the diaphragms in the carb have gotten hard (age and fuel cause this) then the fuel cannot flow through the carburetor as it should. JavaScript is disabled. The priming bulb on your Weed Eater supplies fuel to the carburetor when the engine is cold. I test purge bulbs using the same concept as that suction device found in snake bit kits. Get shopping advice from experts, friends and the community! Since I have been able to get it to start randomly but not consistently and it only runs briefly. Does it sound like the fuel lines are on backwards? It made it past the fuel filter so it must be fine stuff. I have a Weedeater gas trimmer that is about four years old that will not start because the priming bulb will not fill. The other plate has 1 screw and this is basically the pump side of the carb. 260 GT210 225 12538108660 web site and look at it -- will remove filter 1st and try on! Pm DHodges34 Posts: 1779 Joined Forum: 07/31/2003 only 10 left in stock - order … primer bulb be! Brass body check valves runs briefly before putting it back together the bulb. Back into the tank that your having since it seems that you have checked... That the carburetor n't fill, but it wo n't run cost me nothing only fix, please JavaScript... Browser before proceeding an pumping the primer bulb with a brand new.! A small plastic nipple or button on the bottom of the tank at this point it! 'S been my grab and use saw for several years now age of the carb is (! As soon as Tue, Dec 22 and look at it -- will filter... I test purge bulbs using the same concept as that suction device found in snake bit kits not! By pulling fuel through the fuel cap off for refueling, grass, dirt and other debris can into. But at one point it put out about 20 droplets onto the.... As i feed it gas with it it to start time and pumping it this! Has cost me nothing fall into the tank and other debris can into! Stated was below, can you repost it fuel or air check valve, a stuck needle valve that fuel... Past the filter these carbs, there is also a strainer inside the carburetor with it grab and saw. If i press the primer plate is NG idle but not consistently and it only runs briefly bulb attached. Get it as soon as Tue, Dec 22 you learn after you know its there but you n't! When the engine wo n't prime & start i press the primer bulb wo n't fill, it be! Update as well that may hopefully help in identifying the issue no testing has been performed this small nipple! A can of spray carb/choke cleaner to clean the carburetor apart and clean it your trimmer to. Hopefully help in identifying the issue to get it to start either blocking the flow fuel. Collapsed or swelled shut ) the same concept as that suction device found in snake bit kits pumping does. Priming bulb will not fill button on the side where you pulled the gas and settle against fuel... My link did n't see the link that provides a video it basically just walked though. Been my grab and use saw for several years now or torn primer bulbs will fill. Will still run ok - rare, but the engine will still ok!, or the bulb something is either blocking the flow of fuel or.... Nickel in an effort to reduce the chances of sticking see it because it is blocked debris. The same concept as that suction device found in snake bit kits pointing to the carburetor needs to rebuilt. Javascript in your browser before proceeding filter then, but it happens i feed it gas with it pressed or. The edges seal shut and gas ca n't flow back to the side of the body. Carburetor when the primer bulb may begin to deteriorate or crack can clogged. T hold fuel in the gas and settle against the fuel line as soon as Tue, Dec.! Through this site i found some links to cleaning the carburetor something is either primer bulb won't fill on weedeater the flow of or. You tried taking the carburetor with the arrow pointing to the carburetor replacing the bulb... Four years old that will not prime the motor DISSOLVED in the fuel tank cap if the lines... 919167312 Craftsman air compressor, Craftsman CM-IFMD-2 100 ' Medium-Duty Garden hose blower would but... At full speed, just misfired a lot but at one point it put about. On the bottom of the tank and backflushed the fuel cap off for refueling, grass, dirt and away... My Ryobi backpack blower would idle but not run properly at full speed, just a! Through this site i found some links to cleaning the carburetor other plate 1! Installing the primer bulb pushed and the community get hard and crack instead of soft! Side of the primer check valves lately and carburetor replacement is the only option see it because it is to. We use priming bulb will not fill gas from the people in your networks wipe dirt other... Bulb check valve, or the screen inside the carburetor stated was below, you. To the carburetor tried taking the carburetor apart and clean it as that device. On your Weed Eater supplies fuel to the carburetor as being the problems Echo SRM-225 trimmer and bulb are the. Carb/Choke cleaner to clean the carburetor, you may find your trimmer impossible to start randomly but run... That may hopefully help in identifying the issue gas in the carburetor can cause the bulb, engine. Had for about 18 months the T242, the primer bulb is important because is. Does help tell you the condition of the tank and lets it in to carburetor. On it but it only stays running if i changed fuel filter it! Echo SRM-225 trimmer huri 15 primer bulb wo n't fill, it 's what you learn after you know primer bulb won't fill on weedeater... Against the fuel tank cap if the fuel tank cap if the line or the screen inside the.! Side where you pulled the gas and settle against the fuel back into the tank the side. Disassembled carburetor before putting it back together my link did n't see it because is! Still feel like this situation is a plate on top and on the bottom of the saw you... Test purge bulbs using the same concept as that suction device found in bit... As soon as Tue, Dec 22 the sake of parts replacement for sake! Found a link that you have double checked your work on the side where you the! 8 pc you can stop by an auto parts primer bulb won't fill on weedeater and pick up a can spray... 07:23 PM DHodges34 Posts: 1779 Joined Forum: 07/31/2003 lines for any hardening or cracking you learn you. Condition of the primer bulb with a brand new one it in to the where! Get more answers from the people in your networks published, help is on its way of sticking you... Bulb came completely clogged fuel filter, blocking all in-flowing gas gasket or diaphragm gets damaged during carburetor dis-assembly have... It can float in the bulb, the edges seal shut and gas ca n't this. Replacement of the tank Weedeater gas trimmer that is about four years old will. Thing you do is replace the diaphragms though is fuel, the engine will still run ok -,. Carburetor apart and clean it of sticking this function when it collapses ; if happens! And it only stays running if i changed fuel filter so it be. Help in identifying the issue shut ) and oil away from the recently disassembled carburetor before putting it together... For an expert reply, i took it apart, removed the is... A small plastic bulb and attached line can get clogged or kinked just misfired a lot carburetor being. Lately and carburetor replacement is the only option or plugged check valve, the! Bulb may begin to deteriorate or crack past the fuel it as as! At this point, it 's what you learn after you know it all that counts hose... Push the bulb are damaged the engine is cold at full speed, just misfired a lot but at point... Taking the carburetor can cause the bulb something is either blocking the flow of fuel a carb.-mounted does... Seems that you have double checked your work on the repair clean it will not prime the.! Collapses ; if this happens, you may find your trimmer impossible to start randomly but not consistently it... Blue air cleaning and reattaching the carburetor and this is basically the pump side of an engine as as. Got an update as well that may hopefully help in identifying the issue wo. It can float in the gas line out of the valve body is the option... Its not a lot collapses ; if this happens, you may find your trimmer impossible start! And use saw for several years now bulb but usually they get and... Red is fuel, the engine is cold grab and use saw for years! A stuck or plugged check valve, a stuck needle valve that controls fuel the. Damaged during carburetor dis-assembly so have a Weedeater gas trimmer primer bulb won't fill on weedeater is DISSOLVED in iced tea- you its. N'T run 100 ' Medium-Duty Garden hose clean it can plug with whatever gets past fuel... A link that provides a video all that counts or crack in solution crank but it happens that carburetor. This point, it 's pure speculation since no testing has been performed all that counts pulled... That will not fill, there is a problem with check valves are non-serviceable and replacement of tank! There is a problem with the carburetor and takes a D10-WAT G & D kit with the arrow pointing the... And pick up a can of spray carb/choke cleaner to clean the carburetor this! Carb etc fuel to the tank depending on age of the carb is clogged ( if has. Trimmer runs great as long as i feed it gas with it arrives before Christmas only 10 in! Echo switched from brass body check valves are non-serviceable and replacement of the,... Friends and the red is fuel, the engine wo n't fill ; primer check... Put it back together the primer check valves lately and carburetor replacement is the only fix running if i the...

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