It can also mean the bulb has deteriorated and does not create pressure when the bulb is pressed. 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. Removal of the primer bulb can be made quick and easy using our Primer Bulb Replacement Tool part number 19461. I pulled the tank and checked the filter and that appears okay as well. NOTE: Do not stretch, bend or compress primer spring. Toro says priming three times is supposed to be enough. Ray Bobo says: July 18, 2017 at 1:02 pm. The primer with the tube is common over here on the big box store mowers. Simply pulling on the starter rope will not draw fuel to the engine. Usually three pumps of the carburetor bulbs is enough to start an engine. Replace any worn or cracked bulbs. 125b Huskvarna blower is not working. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. \"George\"Copyright 2016 Jeff's Little Engine ServiceDonations are greatly appreciated and help me make vids, just click the Paypal link below. Your question was published, help is on its way! The darn thing still will not prime (no fule in the primer bulb). Get more answers from the people in your networks. I need to adjust the speed of my snowblower. The ball and spring will fall out. The primer pushes air into the carburetor and forces a small amount of fuel into the throat of the carburetor. 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. 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. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. Check the primer bulb to make sure it is working. The good news is that you don’t have to panic or run to buy a new lawn mower. However, in some unfortunate cases, the primer bulb gets damaged or stops working. Get shopping advice from experts, friends and the community! 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. If not, install a new bulb. Metric Combination Wrench Set, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman CM-IFMD-2 100' Medium-Duty Garden Hose. I would start by replacing the fuel filter since there's absolutely no way to … Once it's started, it runs just fine and will restart easily, if … If it is clean, look for damage to the bulb or receptacle. What are the steps to replace the drag link on Craftsman lawn tractor model? Then the larger line from the carburetor should connect to the short port on the primer. It is not leaking the gas anymore. The primer bulb circulates the fuel through the fuel lines and back to the fuel tank. I'm at my wit's end with this thing. Will a craftsman snow blower 486.24837 fit my 917.258860 garden tractor? Another cause of the primer's filling problem could be 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. When the primer won't prime, the engine won't run. Lawnmower PRIMING Button PROBLEM can be FIXED. It has spark - carby is clean. Gaskets. Replacing all components such as gaskets and fuel lines is always recommended when rebuilding or repairing equipment. If the primer line is sticky feeling, you have to replace the line. If the receptacle is damaged, you will most likely have to replace the flashlight. 2 Responses to How Primer Bulbs Work. I think I too have a Primer that is not working properly. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. One end of the line should be connected to the primer bulb and the other should be connected to the carburetor. With these videos I hope you are able to fix and repair your lawnmower yourself with minimal parts, knowledge and tools. 3-7 HORSEPOWER ALL BRIGGS AND STRATTON motor with a PRIMER BUTTON BULB.Music by BonzaiRod. 5 Answers. One of the hoses was broken leading to the carby. You can look at a parts diagram for your product at [www.searspartsdirect.com]. You should be able to see the primer line. 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. 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. It's a Toro mower. If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. 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. You can tip the snow thrower on to its nose. I have included an image of where the line connects to the carburetor. They all say it fills with fuel and then squirts it onto the carb. If you need further assistance, please resubmit your question. 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. If the primer bulb is not working, you may need to troubleshoot it. If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. I replaced gas filter and new gas. can't get it to start as the primer bulb is not pushing the fuel to the carb. Push primer button not working on snowblower...if I pour gas in it works but won't turn over, lines aren't broken...? Most small engines will not start if the carburetor is dry. 2 years ago. Answer Save. the fuel filter is good the bulb don't have a hole the fuel lines look goodl? The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. Remove the bulb assembly collar and the bulb. Was told that a new carberator was installed. After watching this YouTube video, I would also suggest using some Permatex gasket cement around the bulb seat. removed carb cover, confirmed fuel as far as bowl and partially drained bowl. This will help in locating the parts on the product. Lawnmower PRIMING Button PROBLEM can be FIXED. Blower, lawn mower, weed eater, trimmer Pry retainer out and remove bulb from primer seat groove. The vacuum can't work if the rubber bulb is cracked or torn, or if its seal is compromised, say, by old, stiff material. 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. Without gas in the combustion chamber, the engine will not fire. Gas is flowing to carburator,, I know this because when I took off bolt to drain from carb. You should be able to see the primer line. That should solve your issue as long as your lines are in good condition. What It Does. 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. What cause the primer bulb not to fill up with gas when i press it in on a weedwacker? Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. The purpose of the primer is to put fresh fuel in the fuel lines and remove any air that is in the lines. It works by squirting fuel into your engine. 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. I have spent considerable time reading about how a small engine primer bulb works. Contrary to popular belief, it does not squirt a little gas into the engine to get it going. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. PRIMER BUTTON will not work. How the Primer Bulb Works on a Briggs & Stratton 5 Horse Engine. Ask Your Own Small Engine Question. Remove primer seat using a crochet hook or other type of hook. 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. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Examine the bulb for corrosion or debris that may be interfering with the bulb's operation. 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. elhigh. One end of the line should be connected to the primer bulb and the other should be connected to the carburetor. It is the easiest way to use a lawn mower, and many users swear by it. Thank you for watching! if the primer base is stop up how do i check it? This because when i press it in on a BRIGGS and STRATTON motor with a primer BULB.Music. 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