Then the larger line from the carburetor should connect to the short port on the primer. Primer bulb won't fill with gas when pressed. 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. https://www.google.com/search?rlz=1C1AOHY_enUS819U... How do you think about the answers? There are three lines out of the gas tank. Primer bulb won't fill. ask all kinds of people what the problem could be. Make sure that the primer bulb is on the engine side of the water separator bracket. Is there anything else the Small Engine Technician should be aware of? Disassembled carb again. You can sign in to vote the answer. till i finally held the connection end straight up in the air and the gas ran back into the tank.. The number one problem with squeeze bulb priming systems on boats is minute leaks on the suction side of the bulb between the gas tank and the bulb itself. The (new) Primer Bulb does not fill when activated. I hear a little squeak. I am not certain what the one does the seems to simply go to atmosphere. Pressing the bulb only sends more gas to the carburettor. Don't include any quick connects/connectors/fittings/thru-hull fittings/etc. Is there a preferred type of thermostat to use for my HVAC. My weed eater stopped working last year. One or both of the small gas lines running to the primer may be cracked/broken/loose. 99 $22.49 $22.49 Check for dirt under the check valve in the carb. 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. I strongly recommend you don't listen to anyone telling you to replace the machine because it's cheap. Join Yahoo Answers and get 100 points today. I haven't had time to look at it, but I did notice the primer bulb was very, very slow to return each time it's pushed. If not the obvious line issues or leaking bulb, then the next place to look is the one way valves in the section just under the bulb, assuming the bulb is on the carb type anyway. I have a Weedeater gas trimmer that is about four years old that will not start because the priming bulb will not fill. Still won't run. I have a sears/poulan edger #358.797450. Tee. Any help on how to get the airlock out or what I should try will be appreciated. If there's a vacuum leak of any kind, that thing won't work. Yay now I'll get it. Still won't fill, but I noticed that if I put my finger over the tube in the gas tank (that is connected to the primer) it will fill. I pulled the gas line out of the tank and backflushed the fuel filter with air. Oct 7, 2014 #1 I put a new primer bulb and new fuel lines on my Bolens BL150 trimmer When I push the bulb to prime it does not pull any fuel into the bulb. Check to see if the bulb is cracked or the fuel lines. With the arrow pointing to the side where you pulled the hose off. This allows enough fuel in the mixing section of the carburetor, without any help from the pressure generated by the turning crankcase. primer bulb doesn't fill. The engine starts is hard to start has no hole shot and sometimes stumbles. Relevance. I replace the entire fuel line with an Atwood line with primer bulb and installed an Atwood inline fuel filter just after the tank. Now today It won't start. 1 decade ago. 0 0. br549. Tee. 0 0. br549. Primer bulb won't fill. 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. I set the cans on tanning deck above the tank and run a 1/2 in hose from can to filler tube. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. I even sucked gas through the line leading to the fuel water separator, with my mouth, to make sure there wasn't any sort of blockage. Troubleshooting Squeeze Bulb Lines Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. Often its the plastic from the inside of your fuel container being stripped away and put into solution in the fuel. ... To make sure the lines are right, I unhook the longer one with the filter from the carb, push primer a few times and no gas comes out of the carb line. Bulb is not cracked or broken. ... Once it starts I stop blowing. Answer Save. Re: Unable to prime-bulb won't firm up I know this sounds dumb but know a bloke that did, on the bulb there should be a arrow this should go in direction of motor not tank, fuel only pumps one way try blowing air in fuel pickup on tank with cap off there might be a blockage also make sure bulb is closer to tank then motor . I went to start it and primer won't fill with fuel. New primer bulb.won't fill with fuel. If the fuel lines are okay but fuel doesn't move through the lines when you press the primer bulb, the fuel filter may be clogged. What to check first? This small plastic bulb and attached line can get clogged or kinked. When pressing the primer bulb, it does not draw gas … If you wanted to try one last thing, push the bulb down and hold your finger tight over the end of the line that goes back to the tank, then release the bulb. I even sucked gas through the line leading to the fuel water separator, with my mouth, to make sure there wasn't any sort of blockage. Does this mean my primer has gone bad? in this setup. I have a small plastic tube I also insert a little way into can. It starts fine and runs okay, but gas squirts out the vent hole in the middle of the primer bulb. This small plastic bulb and attached line can get clogged or kinked. This can be a difficult problem to root out but 9 times out of 10 that's the cause, a tiny leak somewhere that prevents the primer bulb being able to draw fuel up. Primer bulb won't fill. When the primer won’t hold fuel in the bulb something is either blocking the flow of fuel or air. I primed the carb using an eye dropper and the engine starts and runs fine. I have an Echo CS346 chainsaw that will start and run great just for a few seconds, then dies like the switch has been turned off. posted 1 year ago. My weed eater stopped working last year. 2015 Chevrolet Cruze 35,000 miles, check engine light came on, what's wrong? I then seal with hand and blow on small tube to push fuel over and out to filler. Got that fixed. It can float in the gas and settle against the fuel filter, blocking all in-flowing gas. The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. Remove the fuel hose that is leaving the primer bulb and going to the engine. My weed eater stopped working last year. 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). The day after i went to use it again and noticed when i primed it, the bulb would not fill up with fuel, only a little bit and just small bubbles. Most likely, the gas is getting blocked at the source. Still will not run. 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. Primer bulbs on Stihl string trimmers and brush cutters pump a small amount of gas into the carburettor for starting the engine. Joined Oct 7, 2014 Threads 1 Messages 1. Fuses or circuit breakers? Relevance. 3 Answers. Jul 17, 2019 - Replacing A Primer Bulb On Our ECHO PAS (cracked not filling with gas) We show how to replace a cracked primer bulb on our ECHO PAS. the fuel filter is good the bulb don't have a hole the fuel lines look goodl? The suction side of the bulb is going into the carburetor “outlet” and the other side empties into the fuel tank. 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. Some have one line/hose and some have two. What is causing this problem? The primer bulb can’t suck it up without removing it. Why? Once it starts I stop blowing. I went to start it and primer won't fill with fuel. Reassembled and installed and found the primer bulb won't fill with gas. Blower, lawn mower, weed eater, trimmer 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. One shows the primer bulb pushed and the … Pressing the primer only a couple times should supply enough fuel to mix with air in the carburetor, and be ready for combustion. With the arrow pointing to the side where you pulled the hose off. Of course the engine won't start as a result. A warped diaphragm inside the fuel pump and mixing section will also cause fuel to stop in its tracks. There is a check valve that must close for the bulb to draw the fuel in. Does this mean my primer has gone bad? Sure saves money and no gas in mouth. The blower started just two weeks ago. M. mandy. 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. Should a contractor let you know when they are done. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Get your answers by asking now. Blower is only a year old. It can float in the gas and settle against the fuel filter, blocking all in-flowing gas. maybe the primer bulb has separated from its base, too. How It Works. 04 List List Price $13.66 $ 13 . I replaced the fuel water separator, fuel lines, and the bulb....still nothing. It ran fine at the end of last year, but after sitting the winter will not start. But now I notice bubbles in the primer bulb. ... One of the valves on the primer bulb didn’t work properly, and after disassembling the entire line, buying automotive fuel hose and checking my connectors (and being stuck at sea twice now!) Without gas in the combustion chamber, the engine will not fire. We have a '04 Johnson 175 outboard and the primer bulb won't fill. With the arrow on the primer bulb facing the sky or holding the primer bulb vertically up or down. Troubleshooting Squeeze Bulb Lines Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. If gas is present in the tube, the system may be flooded with gas already. There could be a nearly microscopic crack or hole in your fuel line - even inside the fuel tank - a cracked gasket, anything. I replaced the bulb and it will not get hard. What cause the primer bulb not to fill up with gas when i press it in on a weedwacker? The reason is due to the pulsing of the crankcase and the pressure generated: if the carburetor doesn’t respond properly to the pulsing, the fuel will stop, and the primer bulb won’t fill. If the fuel is not being pumped out of the tank, either the problem is the fuel lines are not connected correctly or the carburetor has an internal problem. Join Yahoo Answers and get 100 points today. Sources: 25th Amendment talk in Trump Cabinet, Lawmakers who voted to contest Electoral College, Trump officials who have quit since the Capitol riot, Dems press forward with plans to remove Trump, After riots in D.C., NBA coach slams 3 GOP senators, Coach fired after calling Stacey Abrams 'Fat Albert', New congresswoman sent kids home prior to riots, Republicans finally condemn Trump assault on democracy, TV host: Rioters would be shackled if they were BLM, $2,000 checks back in play after Dems sweep Georgia. Vacuum is what makes that bulb work. ... Once it starts I stop blowing. When I press the primer bulb gas squirts out from under the engine and onto the floor. The step-by-step repair guide explains how to … If the line or the bulb are damaged the engine won't receive enough gas in the chamber for ignition. While some machines have a choke plate, others have a primer bulb made out of rubber. start and run great just for a few seconds, then dies like the switch has been turned off. When the bulb begins to deteriorate, it no longer creates enough of a vacuum to pull fuel into the engine. I went to start it and primer won't fill with fuel. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. I cleaned the carb, but still doesn't work. I have a Ryobi CS26 weed eater that won't start. Still have questions? I just put a new carburetor on it but it won't prime & start. This stuff blocks the inlet screen and doesn't allow the purge bulb to draw more fuel thru the carburetor and refill the bulb. When you push the bulb, the edges seal shut and gas can't flow back to the tank. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. The number one problem with squeeze bulb priming systems on boats is minute leaks on the suction side of the bulb between the gas tank and the bulb itself. The primer bulb can’t suck it up without removing it. Check this web site and look at the illustrations. The primer function on a Troy Built EZ Start trimmer brings gas to the carburetor when the engine is cold. Can you purchase a gasoline can at a thrift shop? It only takes a bit of grit smaller than a single grain of salt to stop up the fuel passages and prevent the engine running right, and it only takes a few bucks to purchase. The primer bulb on my Stihl power head (for edger/string trimmer attachments) won't fill. Primer bulb not filling Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel lines and a new fuel filter.I can't get the primer bulb to fill with fuel.I've tried with the carb attached & unattached to the engine block.I took pics of the fuel line configuration before I started so they are re-connected properly. Thread starter markyjwhiz; Start date Oct 7, 2014; M. markyjwhiz Forum Newbie. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Answer Save. The other line is just to pump the fuel back into the tank. Bulb begins to deteriorate, it no longer creates enough of a vacuum leak of any kind that! Remove the fuel connected to it in the combustion chamber, the engine bulb facing the sky or holding primer. Chamber, the engine a leaf blower wo n't start the fuel tank, the edges shut! Is stop up how do you think about the answers markyjwhiz Forum Newbie get. 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