Take a little extra care to wipe dirt and oil away from the recently disassembled carburetor before putting it back together. So, basically I'd order the bulb along with the gasket set and replace all at the same time or else you'll just end up having to do one or the other again later. Air-driven filters can cause bubbles to develop, and air stones create cascades of small bubbles that help move water around the tank. Get more answers from the people in your networks. The air bubbles & gas are 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. Inspect the clear tube at the output of the primer bulb. The darn thing still will not prime (no fule in the primer bulb). Get your answers by asking now. to the primer bulb. 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. The primer bulb can’t suck it up without removing it. Shouldn't workers have a generator if they need power? ? 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 . My weedwhacker primer bulb now pumps air into fuel tank. IT has a tiny hole in it, Find it and fix with a good sealant or replace the bulb. Troubleshooting Squeeze Bulb Lines Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. Answer Save. You should feel resistance after a few pumps. If it appears to be damaged or crack, replace it. I would suggest that you start at the fuel tank and work your way to the carburetor. Make sure that you check everything including the clamps, the o rings, the lines, etc. Relevance. The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburettor using suction. 4. My weedwhacker primer bulb now pumps air into fuel tank. Check this web site and look at the illustrations. $5.52. I have tried changing fuel lines but same result. Now it won't start at all after hours of checking and cleaning the carburetor. Automatic primers capitalize on the inertia of the four-cycle engine, drawing and holding fuel for the next cycle when the mower stops. Thanks, I already replaced fuel lines, brand new carb, carb base and all gaskets around carb this tear. 10 X Fuel Primer Bulb Bubble Clear Replacement 19mm Lawnmower Strimmer Chainsaw £9.95 New Genuine STIHL Bg86 C Fuel Primer Bulb Cap 4226 121 2700 Leaf Blower Zamma Carb How to properly check on my own if my HVAC system is cooling and heating correctly? How do I dispose of it? Is there a preferred type of thermostat to use for my HVAC. Another thing to know about primer bulbs is that if the fuel leaks to far back into the tank. Thank you for using Manage My Life. Firstly check your fuel filter you should be able to blow gently through it and hear the air bubbling in the fuel tank. I have a Craftsman Leaf B lower Model 358.794773 that the primer isn't pumping gas. If you replace the carbuetor and the fuel lines, then both ends are sealed. Thank you for using Manage My Life. 8 years ago. today, when I press the primer, it doesn't get any gas and it won.t start. My Model is the Blue Max 42cc. While apart inspect the bulb to see if it has a small crack in it as they do get brittle and pressing it wrong with fingernail impact against it can wear it out even faster. Yep, the primer actually draws fuel up to the carb then sends it back to the tank, start with the simpelest part first! is solid gas. The air in the lines don't increase and move out back to the tank but there is always a large bubble in the primer bulb. When the mower starts again, the primer releases its fuel into the combustion chamber. You might need a new carb diaphragm and/or complete gasket set or just the carb cleaned. $8.99. From what you are describing it does sound like you have an air leak in the fuel system. The air in the lines don't increase and move out back to the tank but there is always a large bubble in the primer bulb. ( IE I can blow air thru If the fuel system is working properly, just a few squeezes should be enough to prime the system. I have tried changing fuel lines but same result. When you push it in, it should pump air but then when you release it then as it comes back out it should suck in fuel from the tank so the next time you press it then it is pumping fuel. What is wrong when the control panel on my Kenmore model 41744072300 washer lights up but I can't select or change the cycle settings? 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 on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. what is the size of my kenmore refridgerator? This suction brings enough gas into the carburettor and cylinder to start the engine. It pressurizes the tank to force some fuel into the carb to prime it. I disconnected the fuel lines from the carb, and they are clean leading into the tank. If you need further assistance, please reply to this thread. Fuses or circuit breakers? Will follow all suggestions. I overhauled the carb. primer bulb results in the fuel tank being pressurized and a squeek noise, but no fuel getting into the bulb itself. I pulled the tank and checked the filter and that appears okay as well. Carb side is smaller diameter line and runs to carbs lower fitting. by cleaning passages , new welch plugs, carb. Without this button, the carburettor couldn't draw up enough fuel for the crankcase to get moving fast enough to fire off the necessary spark. One shows the primer bulb pushed and the red is fuel, the blue air. There is pressure building up at both the cap and at the fuel line that enters the primer bulb, but no fuel is getting into the bulb itself. Free shipping. was - $10.07 | 11% OFF. The gas from tank to carb. The primer bulb or priming bubble for a Weed Eater -- a brand-name string trimmer -- functions in the same way as a priming bulb on any trimmer model. Some engines utilize a manual fuel primer bulb to enrich the ratio of fuel in the fuel air mixture for initial engine starting. The - Answered by a verified Marine Mechanic ... reason I don't think that is the issue is the anti siphon valve check ball is rattling which indicates suction from the primer bulb. Pushing on primer bulb PUSHES air OUT of fuel filter and sucks from carb side of bulb. If it's not working, then you either have a bad primer bulb, plugged fuel lines or in-tank filter, or plugging in the small ports of the carburetor on the fuel pump side. Who was the man seen in fur storming U.S. Capitol? If the carb has a built in primer, the fuel line closest to the primer bulb is your fuel return back to the fuel tank while the other fuel line is your main fuel feed. Gardener's Value 401730066 Garden Hoe w/Wood ... Companion CGHT-155R7 Shrub Rake, Extendable. Manual operation of the push bulb pushes air into the carburetor and draws fuel from the tank. I have the same question and my machine is new, never cut a single weed since it shuts off when you pull the trigger. Look for "carb" and "tank" on the primer bulb and make the respective connection. Join Yahoo Answers and get 100 points today. My Model is the Blue Max 42cc. Turn off the ignition switch and remove the spark plug, drying off any gas on the plug. 5. 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). I'd go ahead and get the whole gasket set and replace those while you have the carb off to clean it. 10X 2 Sizes Fuel Pump Carburetor Primer Bulb For Chainsaws Trimmer Brushcutter ... Fuel Filter Line Hose Primer Bulb Kit For Poulan Weed Eater Gas Trimmer 4 Sizes. Your expert will answer within two business days with detailed information. model# 106.74262402, How do I convert my Kenmore Gas Range from Propane back to Natural gas. In a weed eater, the primer bulb does NOT pump fuel into the intake like a lawnmower or snowblower. I have a Kenmore washer Model # 110.20022012 Type: 587-07 and I am not sure where to add my fabric softener. Most small engines will not start if the carburetor is dry. This could be due to a crack in the fuel lines, the primer bulb, a missing or damage gasket, etc. If gas is present in the tube, the system may be flooded with gas already. This will indicated that air is begin sucked into the line. This(WT 324 Carb.) I will check fuel lines once again for any holes. Will follow all suggestions. Like other tools with small gasoline motors, your Craftsman Weedwacker needs help starting -- help … Hellllllppp!!! When the primer bulb isn't working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. the short nipple on the bulb is the suction side. 3 Answers. 516 sold. The primer bulb sucks air from the carb and sends it to the petrol tank. Still have questions? Get shopping advice from experts, friends and the community! For the T242, the primer bulb can be pressed into place in the mount plate from which the old bulb … Me Too. Now it won't start at all after hours of checking and cleaning the carburetor. Your question was published, help is on its way! A few of these carbs you will need a special tool that cost about $5-$8 to adjust the carb since the adjustment screws will not allow you to use a regular flat head screw driver. kit, air + gas filters, primer bulb & gas lines.I put new gas in tank but same problem!! The other line is just to pump the fuel back into the tank. Please can someone help me locate either the website to order the 2 missing panels or the maker of my chandelier? ? In general the primer bulb draws fuel from the tank through the carb and then returns it to the tank. Can a water leak increase my electricity bill? The Primer Bulb Is Stuck in My Craftsman 32cc Weedwacker. Thank you for using Manage My Life. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. You can hear a hiss as you remove the gas cap after priming and the lines blow bubbles in the gas as you prime. Problem #2: After I purged my fuel line of air, I warmed up my engine and then went to full throttle. As the bulb fills its resistance to squeezing changes, and the firmness of the bulb signals the operator when the primer has done its job and primed the fuel line. Tank side is for larger line and runs into tank and fuel filter. I hope this helps. Just caught a mouse on a sticky trap. Which is better for a home? Lv 6. Hanging filters can also cause bubbles to form. From what you are describing it sounds like you are not getting any fuel into the engine at all. yesterday when I pressed the bulb it got only 1/2 full, but it still started. How To Prime Up Fuel When Primer Bulb is Air Locked. 4*Air Purge Pump Primer Bulb For Fuel Tank /Husqvarna 345 346 350 353 850. Install the new primer bulb. One of the functions of the overflow tank is actually to remove bubbles caused by air in the cooling system. Clean the carburetor and primer bulb components. Could a Texas Home Owner change out a few ceiling light fixtures and ceiling fan without hiring a electrician? It is common to find a few bubbles in the overflow tank. Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will suck it up. Reactions: Okie , … Ask Your Own Boat Question. The main thing to look for when priming the weed eater is that the primer bulb becomes full. Bond LH6799 Mini round point shovel with D handle. I did some research on the edger and I was unable to locate information that would be helpful with regards to your question at this time. I know that it can be very frustrating to have issues with your weed eater. Pressing the bulb only sends more gas to the carburettor. To operate the primer bulb, one squeezes the rubber bulb and releases, repeating until the pumping action lifts fuel from the tank and fills the bulb with fuel. Is there even a dispenser? Model number - 75023102. that's what it is supposed to do. If the fuel lines look to be okay, I would suggest taking this to a technician. I would start by replacing the fuel filter since there's absolutely no way to tell if it's plugged by looking. Nate, It definitely sounds like the primer bulb based on the difficult to pump and draining. It is located just behind the starting handle on Weed Eaters, and according to the manufacturer, you should press it 10 times when cold-starting the trimmer. So, the fuel goes out both ends when the bulb is squeezed. It worked for 30 min and stopped. Yes, I agree that you should not be getting any bubbles in the primer. 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