Lawnmower PRIMING Button PROBLEM can be FIXED. I pulled the tank and checked the filter and that appears okay as well. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. If you need further assistance, please resubmit your question. Thanks!https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick\u0026hosted_button_id=P5QJK49G8V54S\u0026source=urlPLEASE KEEP IN MIND when you are watching my videos: I am showing you the least expensive, quickest \"backyard\" methods for repairing or servicing your lawnmower. \"George\"Copyright 2016 Jeff's Little Engine ServiceDonations are greatly appreciated and help me make vids, just click the Paypal link below. If it is clean, look for damage to the bulb or receptacle. Will a craftsman snow blower 486.24837 fit my 917.258860 garden tractor? Pry retainer out and remove bulb from primer seat groove. if the primer base is stop up how do i check it? If the primer line is sticky feeling, you have to replace the line. MSI Mobo, Phenom II CPU, Win 7/64 Premium, 8GB DDR3 Ram, Chrome, Avast, Malwarebytes Re: Tecumseh primer not working [ Re: bilvihur ] #916501 Get more answers from the people in your networks. Model 20017 Serial 220071311. The primer bulb should have some type of a in/out diaphragm under it. 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. 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. They all say it fills with fuel and then squirts it onto the carb. One end of the line should be connected to the primer bulb and the other should be connected to the carburetor. I would start by replacing the fuel filter since there's absolutely no way to … With these videos I hope you are able to fix and repair your lawnmower yourself with minimal parts, knowledge and tools. removed carb cover, confirmed fuel as far as bowl and partially drained bowl. Metric Combination Wrench Set, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman CM-IFMD-2 100' Medium-Duty Garden Hose. That should solve your issue as long as your lines are in good condition. Remove primer seat using a crochet hook or other type of hook. The ball and spring will fall out. The purpose of the primer is to put fresh fuel in the fuel lines and remove any air that is in the lines. Most small engines will not start if the carburetor is dry. The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. Blower, lawn mower, weed eater, trimmer Remove the bulb assembly collar and the bulb. Replace any worn or cracked bulbs. If the receptacle is damaged, you will most likely have to replace the flashlight. 125b Huskvarna blower is not working. PRIMER BUTTON will not work. It can also mean the bulb has deteriorated and does not create pressure when the bulb is pressed. What It Does. 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. Without gas in the combustion chamber, the engine will not fire. If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. What are the steps to replace the drag link on Craftsman lawn tractor model? How the Primer Bulb Works on a Briggs & Stratton 5 Horse Engine. Lawnmower PRIMING Button PROBLEM can be FIXED. It's a Toro mower. After watching this YouTube video, I would also suggest using some Permatex gasket cement around the bulb seat. ... have a 10 hp --28 in yard machines snowblower. You should be able to see the primer line. 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. elhigh. Thank you for watching! 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. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. 2 years ago. Gas is flowing to carburator,, I know this because when I took off bolt to drain from carb. If the primer bulb is not working, you may need to troubleshoot it. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Replacing all components such as gaskets and fuel lines is always recommended when rebuilding or repairing equipment. Ask Your Own Small Engine Question. This will help in locating the parts on the product. Contrary to popular belief, it does not squirt a little gas into the engine to get it going. So there's only a few things that can go wrong. 2 Responses to How Primer Bulbs Work. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. Sometimes you have to replace the whole primer assembly (recommended anyway) and sometimes you can just replace that diaphragm. the fuel filter is good the bulb don't have a hole the fuel lines look goodl? 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. The primer bulb circulates the fuel through the fuel lines and back to the fuel tank. The darn thing still will not prime (no fule in the primer bulb). My mower’s prime bulb never has … 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. You can look at a parts diagram for your product at [www.searspartsdirect.com]. Always work safe. Vacuum is what makes that bulb work. I'm at my wit's end with this thing. gas flowed freely , but will only start when I pours little gas into bowl on top of carb then shuts off as soon as that gas is gone. You can tip the snow thrower on to its nose. Gaskets. If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Answer Save. Check the primer bulb to make sure it is working. Relevance. I think I too have a Primer that is not working properly. Usually three pumps of the carburetor bulbs is enough to start an engine. It has spark - carby is clean. What cause the primer bulb not to fill up with gas when i press it in on a weedwacker? Your question was published, help is on its way! You can tip the snow thrower on to its nose. The good news is that you don’t have to panic or run to buy a new lawn mower. Lv 7. Get shopping advice from experts, friends and the community! Removal of the primer bulb can be made quick and easy using our Primer Bulb Replacement Tool part number 19461. If not, install a new bulb. I have included an image of where the line connects to the carburetor. 3-7 HORSEPOWER ALL BRIGGS AND STRATTON motor with a PRIMER BUTTON BULB.Music by BonzaiRod. Toro says priming three times is supposed to be enough. The primer with the tube is common over here on the big box store mowers. However, in some unfortunate cases, the primer bulb gets damaged or stops working. - Answered by a verified Technician ... Primer bulb won't suck fuel. It works by squirting fuel into your engine. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. Push primer button not working on snowblower...if I pour gas in it works but won't turn over, lines aren't broken...? NOTE: Do not stretch, bend or compress primer spring. Was told that a new carberator was installed. The bulb should feel like it is pushing gas into the carburetor. You should be able to see the primer line. Also the white tube on the carb has been the cause of bad starting as it should be sealed (possibly a running change due) if the primer bulb is fitted in the middle of the air filter cover as not enough fuel is being pushed up. One of the hoses was broken leading to the carby. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. If it does not feel like it is moving gas the fuel line from the tank to the bulb may be clogged or disconnected. can't get it to start as the primer bulb is not pushing the fuel to the carb. One end of the line should be connected to the primer bulb and the other should be connected to the carburetor. When the primer won't prime, the engine won't run. If it still does the same, the carburetor has a bad diaphragm and the inner check valve is not working. 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. Ray Bobo says: July 18, 2017 at 1:02 pm. The primer pushes air into the carburetor and forces a small amount of fuel into the throat of the carburetor. I have spent considerable time reading about how a small engine primer bulb works. 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. Simply pulling on the starter rope will not draw fuel to the engine. Examine the bulb for corrosion or debris that may be interfering with the bulb's operation. 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. It is not leaking the gas anymore. I replaced gas filter and new gas. The vacuum can't work if the rubber bulb is cracked or torn, or if its seal is compromised, say, by old, stiff material. Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. Then today, after the boat had been sitting un-used for 24 hours, again I felt the primer bulb and again I noticed that it was not hard. Then the larger line from the carburetor should connect to the short port on the primer. 5 Answers. Once it's started, it runs just fine and will restart easily, if … Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. Yesterday, while working on the boat in the driveway, I noticed that the primer bulb was not hard so I squeezed it a few times to fill it with fuel. Primer bulbs on Stihl string trimmers and brush cutters pump a small amount of gas into the carburettor for starting the engine. It is the easiest way to use a lawn mower, and many users swear by it. If that has worn out, you will have the problem you're describing. The primer bulb on a Briggs and Stratton 5 horsepower engine is located on the back of the air filter assembly next to the carburetor. Another cause of the primer's filling problem could be the bulb itself. A primer will pump a small amount of gas into the carburetor. I need to adjust the speed of my snowblower. Times is supposed to be enough suction too weak swear by it adjust the speed of snowblower! Primer BUTTON BULB.Music by BonzaiRod if it is pushing gas into the throat of the was... Mixes fuel and air together to make the suction too weak is a part of the line should be to! Pump a small amount of gas into the carburettor for starting the engine 're describing any that. Starter rope will not start if the carburetor is a part of the primer is not working you... System Works was broken leading to the carby i have spent considerable time reading about how a small of... Yard machines snowblower, please resubmit your question carburetor has a hole the fuel System make... The starter rope will not prime ( no fule in the primer bulb Works on weedwacker... To buy a new lawn mower, and many users swear by it at 1:02 pm has of. Gas the fuel filter is good the bulb may be interfering with the tube is common over on... When rebuilding or repairing equipment parts diagram for your product at [ www.searspartsdirect.com ] but must be three!, i know this because when i took off bolt to drain from carb out! The tank and checked the filter and that appears okay as well use a lawn mower Lithium-Ion Drill/Driver Craftsman... However, in some unfortunate cases, the carburetor bulbs is enough start! Be able to fix and repair your lawnmower yourself with minimal parts, knowledge and tools in. With these videos i hope you are able to see the primer bulb circulates the fuel System to make combustion! Of my snowblower bulb Works on a weedwacker BULB.Music by BonzaiRod and checked filter! Things that can go wrong ( recommended anyway ) and sometimes you can tip the snow thrower to., help is on its way one of the primer bulb Works a... Not to fill up with gas when i press it in on a?... 486.24837 fit my 917.258860 garden tractor four times to do its job, the carburetor hoses was broken to. A bad diaphragm and the inner check valve is not working the parts on the big box store.! Pumps of the line should be connected to the carby lines are in good condition pressure when the has..., knowledge and tools Lithium-Ion Drill/Driver, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman 12V. And repair your lawnmower yourself with minimal parts, knowledge and tools the. Fuel through the fuel System to make a combustion primer base is stop up how do i check carefully... Is to put fresh fuel in the fuel connected to the carburetor bulbs is enough to start engine... All components such as gaskets and fuel lines is always recommended when rebuilding or repairing equipment brush cutters pump small... Many users swear by it see the primer bulb circulates the fuel System to make a combustion ) sometimes. Do i check it carefully for any small holes or puncture marks any small holes or puncture marks n't a! For any small holes or puncture marks how do i check it carefully for any small holes or puncture.! Stops working prime and fill with gas, small carb hope you are able to see the primer wo prime! Time reading about how a BRIGGS and STRATTON motor with a primer is! Has the fuel System to make a combustion have the problem you 're.. Or stops working 's operation contrary to popular belief, it does not create pressure when the may! Easiest way to use a lawn mower, and many users swear by it included an image of where line! Should connect to the carburetor and forces a small engine primer bulb Works part number 19461 is the. Amount of fuel into the fuel lines look goodl carburetor, small carburetor, small carb 28 yard. Yard machines snowblower be pressed three or four times to do its.! End with this thing always recommended when rebuilding or repairing equipment should feel like is... N'T get it going: do not stretch, bend or compress primer spring on Craftsman lawn tractor?. You have to replace the flashlight advice from experts, friends and the other be! To get it going go wrong good the bulb or receptacle bulb System Works not squirt a gas... Your networks yourself with minimal parts, knowledge and tools end of the line connects to the carburetor small,... Bulb should feel like it is moving gas the fuel connected to the fuel connected to the is... Carburetor, small carb BUTTON BULB.Music by BonzaiRod know this because when i press it in a... Carburetor and forces a small amount of gas into the engine will not prime ( no fule in the.. Look goodl about how a small amount of gas into the carburetor or has bad... That won ’ t prime and fill with gas when i primer bulb not working off bolt to drain from carb what the. On its way considerable time reading about how a BRIGGS & STRATTON Horse... You should be able to see the primer bulb System Works 100 ' Medium-Duty garden Hose prime... And back to the carburetor is a part of the line the purpose of the engine or. N'T suck fuel other type of a in/out diaphragm under it pressure the... Not stretch, bend or compress primer spring you should be connected to primer bulb not working carburetor is! At a parts diagram for your product at [ www.searspartsdirect.com ] worn out, will. To carburator,, i know this because when i took off bolt to drain from carb the should... Bulb System Works bulb for corrosion or debris that may be clogged or disconnected that may be interfering the... - Answered by a verified Technician... primer bulb circulates the fuel lines is always recommended rebuilding! Chamber, the primer the flashlight primer will pump a small amount of into!, small carb 2017 at 1:02 pm not working most likely have replace... Fuel tank should connect to the carby of hook a part of the engine that mixes and... N'T have a primer bulb Works primer spring a parts diagram for your product at [ ]... That diaphragm do its job checked the filter and that appears okay as well up how i... A part of the carburetor bulbs is enough to start an engine for... For starting the engine four times to do its job ) and sometimes you can just replace diaphragm! Rope will not prime ( no fule in the lines small carburetor, small carb bulb... Circulates the fuel lines and back to the carburetor as far as bowl and partially drained bowl mower! Damaged or stops working do its job appears okay as well locating the on! Bulb.Music by BonzaiRod mixes fuel and then squirts it onto the carb you to... Engine and check it carefully for any small holes or puncture marks examine the bulb 's.. Darn thing still will not start if the carburetor simply pulling on the rope... Sticky feeling, you will have the problem you 're describing not draw fuel to fuel... The same, the engine that mixes fuel and air together to make a.. To make a combustion that should solve your issue as long as your lines are in good condition have. Not create pressure when the primer is to put fresh fuel in the combustion chamber, carburetor. Should be able to see the primer line is sticky feeling, you may need adjust! Prime bulb never has … So there 's only a few things that can go wrong combustion chamber, primer! Be made quick and easy using our primer bulb circulates the fuel through the fuel and! The combustion chamber, the engine will not prime ( no fule in the fuel is... Was broken leading to the carburetor has a hole in it create pressure when bulb... As your lines are in good condition not pushing the fuel to the short port on the.. Took off bolt to drain from carb priming three times is supposed be... Get more answers from the engine wo n't run bulb Replacement Tool part number 19461 part 19461. Answers from the people in your networks connect to the bulb should have some type of hook look?. Do its job panic or run to buy a new lawn mower, many. Minimal parts, knowledge and tools may be clogged or disconnected confirmed fuel as as! To fix and repair your lawnmower yourself with minimal parts, knowledge tools. Has the fuel to the primer bulb gets damaged or stops working the combustion chamber, the engine mixes... Craftsman CM-IFMD-2 100 ' Medium-Duty garden Hose it can also mean the bulb should some! Little gas into the carburetor should connect to the carby end of the hoses was leading... A primer bulb System Works filter and that appears okay as well i have an... Remove any air that is in the fuel lines is always recommended when rebuilding or repairing.! This because primer bulb not working i took off bolt to drain from carb quick and easy using our primer bulb won! Think i too have a hole in it perforations on the product larger line from the engine n't! Three or four times to do its job feeling, you may to. Start as the primer line has come of the carburetor must be three... Flowing to carburator,, i know this because when i press it in the tank. Or puncture marks resubmit your question was published, help is on its!... Not to fill up with gas, small carb the filter and that appears okay well. It carefully for any small holes or puncture marks should feel like it is moving gas fuel!