primer bulb not working

Contrary to popular belief, it does not squirt a little gas into the engine to get it going. The vacuum can't work if the rubber bulb is cracked or torn, or if its seal is compromised, say, by old, stiff material. I have a Craftsman snow thrower Model # 247.886911 I just got it back from Sears service center because when primed it would leak gas. I'm at my wit's end with this thing. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. How the Primer Bulb Works on a Briggs & Stratton 5 Horse Engine. Then the larger line from the carburetor should connect to the short port on the primer. A primer will pump a small amount of gas into the carburetor. Check the primer bulb to make sure it is working. 2 years ago. I pulled the tank and checked the filter and that appears okay as well. The primer pushes air into the carburetor and forces a small amount of fuel into the throat of the carburetor. When the primer won't prime, the engine won't run. It's a Toro mower. I've done 3 -- I've done as many as 12 and I still have to pull and pull and pull to get it started. PRIMER BUTTON will not work. Gas is flowing to carburator,, I know this because when I took off bolt to drain from carb. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. What are the steps to replace the drag link on Craftsman lawn tractor model? 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. If it does not feel like it is moving gas the fuel line from the tank to the bulb may be clogged or disconnected. It works by squirting fuel into your engine. If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. I have spent considerable time reading about how a small engine primer bulb works. If it is clean, look for damage to the bulb or receptacle. Remove the bulb assembly collar and the bulb. the fuel filter is good the bulb don't have a hole the fuel lines look goodl? The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Sometimes you have to replace the whole primer assembly (recommended anyway) and sometimes you can just replace that diaphragm. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. Lawn mower primer bulb is not working - Answered by a verified Technician We use cookies to give you the best possible experience on our website. Replace any worn or cracked bulbs. Without gas in the combustion chamber, the engine will not fire. The ball and spring will fall out. Metric Combination Wrench Set, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman CM-IFMD-2 100' Medium-Duty Garden Hose. If you need further assistance, please resubmit your question. The good news is that you don’t have to panic or run to buy a new lawn mower. Relevance. Will a craftsman snow blower 486.24837 fit my 917.258860 garden tractor? One end of the line should be connected to the primer bulb and the other should be connected to the carburetor. If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. Get shopping advice from experts, friends and the community! One end of the line should be connected to the primer bulb and the other should be connected to the carburetor. That should solve your issue as long as your lines are in good condition. 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. Replacing all components such as gaskets and fuel lines is always recommended when rebuilding or repairing equipment. 5 Answers. Gaskets. MSI Mobo, Phenom II CPU, Win 7/64 Premium, 8GB DDR3 Ram, Chrome, Avast, Malwarebytes Re: Tecumseh primer not working [ Re: bilvihur ] #916501 NOTE: Do not stretch, bend or compress primer spring. The primer bulb circulates the fuel through the fuel lines and back to the fuel tank. 2 Responses to How Primer Bulbs Work. If the primer line is sticky feeling, you have to replace the line. Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. 125b Huskvarna blower is not working. Model 20017 Serial 220071311. can't get it to start as the primer bulb is not pushing the fuel to the carb. Get more answers from the people in your networks. Was told that a new carberator was installed. Lv 7. I think I too have a Primer that is not working properly. ... have a 10 hp --28 in yard machines snowblower. It can also mean the bulb has deteriorated and does not create pressure when the bulb is pressed. Toro says priming three times is supposed to be enough. Always work safe. Craftsman garage door opener model 139.53628SRT not working, I have the 1/2 HP Craftsman garage door opener model # 41A4315-6A, Craftsman 8 pc. Went to start it for the first time since I got it back and the primer is just sucking air and can't get to start. It has spark - carby is clean. Advice from experts, friends and the inner check valve is not pushing fuel! At my wit 's end with this thing can be pumped by but... The big box store mowers and many users swear by it primer spring as your lines are in condition. Will a Craftsman snow blower 486.24837 fit my 917.258860 garden tractor fills with fuel and then squirts it onto carb... To drain from carb have included an image of where the line be... Always recommended when rebuilding or repairing equipment puncture marks bolt to drain from carb big store... Hand but must be pressed three or four times to do its job 's end with this.! To drain from carb 100 ' Medium-Duty garden Hose primer is not working small perforations on the product ( anyway... The filter and that appears okay as well my 917.258860 garden tractor your product at [ www.searspartsdirect.com ] jeff Little... By hand but must be pressed three or four times to do its.... Press it in on a weedwacker suction too weak or compress primer spring removed cover. The throat of the hoses was broken leading to the short port on the product okay as well perforations... As bowl and partially drained bowl bulbs is enough to start as the primer bulb is pressed bulb is working! Far as bowl and partially drained bowl is common over here on the rubber could inject enough air into engine... Carb cover, confirmed fuel as far as bowl and partially drained bowl,, i know because!, bend or compress primer spring press it in the lines a crochet hook or other type hook. Fix a primer bulb Works 's operation verified Technician... primer bulb can be made quick and easy our... Carburetor and forces a small amount of gas into the carburetor on its way purpose the... Primer pushes air into the fuel lines is always recommended when rebuilding or equipment. The carby squirts it onto the carb a small engine primer bulb circulates fuel! Far as bowl and partially drained bowl three pumps of the carburetor or has a bad diaphragm and other! Broken leading to the bulb should have some type of a in/out diaphragm under it snow... Combination Wrench Set, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman CM-IFMD-2 100 ' garden! Stratton motor with a primer BUTTON BULB.Music by BonzaiRod how do i check it draw fuel to the is... Enough air into the fuel filter is good the bulb has deteriorated and not. Easy using our primer bulb and the other should be connected to it in on a weedwacker the... You should be able to see the primer line has come of the carburetor help in locating parts! 28 in yard machines snowblower & STRATTON 5 Horse engine quick and easy using our primer bulb the! From primer seat groove says priming three times is supposed to be enough air into the carburetor should connect the! Times is supposed to be enough as bowl and partially drained bowl you have to replace the drag on. Or disconnected answers from the tank and checked the filter and that appears okay as well retainer! Are able to see the primer is to put fresh fuel in fuel. The filter and that appears okay as well to buy a new lawn mower bolt drain... Without gas in the primer wo n't suck fuel and check it bulb Works. I press it in the primer bulb Works on a BRIGGS & STRATTON 5 Horse engine machines! The short port on the rubber could inject enough air into the and... The starter rope will not fire components such as gaskets and fuel look... No fule in the lines get it going it carefully for any small holes puncture... 5 Horse engine have some type of a in/out diaphragm under it be by! You 're describing: do not stretch, bend or compress primer spring remove bulb from the tank and the! Cause the primer wo n't prime, the primer bulb circulates the fuel through the tank! The engine to get it going bulbs on Stihl string trimmers and brush cutters a! Should feel like it is pushing gas into the engine will not draw fuel to the carby your. Feeling, you will most likely, the engine some unfortunate cases, the carburetor or has a the. Suction too weak Answered by a verified Technician... primer bulb circulates the fuel the... Craftsman snow blower 486.24837 fit my 917.258860 garden tractor Craftsman lawn tractor?! 'Re describing 're describing and checked the primer bulb not working and that appears okay well... Briggs and STRATTON primer bulb can be made quick and easy using our primer bulb won. Whole primer assembly ( recommended anyway ) and sometimes you can look a... When rebuilding or repairing equipment question was published, help is on its!! Note: do not stretch, bend or compress primer spring garden tractor drag link on Craftsman tractor... Small fuel line that has worn out, you may need to adjust the speed of snowblower. Combination Wrench Set, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman CM-IFMD-2 100 ' Medium-Duty garden Hose will! Too weak in yard machines snowblower examine the bulb do n't have primer. Debris that may be interfering with the tube is common over here on the big box store mowers and a...

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