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. Metric Combination Wrench Set, Craftsman NEXTEC 12V Lithium-Ion Drill/Driver, Craftsman CM-IFMD-2 100' Medium-Duty Garden Hose. The good news is that you don’t have to panic or run to buy a new lawn mower. What are the steps to replace the drag link on Craftsman lawn tractor model? Ask Your Own Small Engine Question. Get shopping advice from experts, friends and the community! If that has worn out, you will have the problem you're describing. 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. You should be able to see the primer line. if the primer base is stop up how do i check it? Thank you for watching! I replaced gas filter and new gas. If the primer line is sticky feeling, you have to replace the line. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. MSI Mobo, Phenom II CPU, Win 7/64 Premium, 8GB DDR3 Ram, Chrome, Avast, Malwarebytes Re: Tecumseh primer not working [ Re: bilvihur ] #916501 This will help in locating the parts on the product. 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. Check the primer bulb to make sure it is working. That should solve your issue as long as your lines are in good condition. Another cause of the primer's filling problem could be the bulb itself. Replace any worn or cracked bulbs. Then the larger line from the carburetor should connect to the short port on the primer. If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. 2 Responses to How Primer Bulbs Work. 3-7 HORSEPOWER ALL BRIGGS AND STRATTON motor with a PRIMER BUTTON BULB.Music by BonzaiRod. Lawnmower PRIMING Button PROBLEM can be FIXED. If it still does the same, the carburetor has a bad diaphragm and the inner check valve is not working. You can tip the snow thrower on to its nose. 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. 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 it is clean, look for damage to the bulb or receptacle. removed carb cover, confirmed fuel as far as bowl and partially drained bowl. Lv 7. 5 Answers. Once it's started, it runs just fine and will restart easily, if … Remove the bulb assembly collar and the bulb. If it does not feel like it is moving gas the fuel line from the tank to the bulb may be clogged or disconnected. PRIMER BUTTON will not work. I need to adjust the speed of my snowblower. Get more answers from the people in your networks. It can also mean the bulb has deteriorated and does not create pressure when the bulb is pressed. 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. the fuel filter is good the bulb don't have a hole the fuel lines look goodl? When the primer won't prime, the engine won't run. ... have a 10 hp --28 in yard machines snowblower. If the primer bulb is not working, you may need to troubleshoot it. 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...? A primer bulb can be pumped by hand but must be pressed three or four times to do its job. Toro says priming three times is supposed to be enough. My mower’s prime bulb never has … If the primer is not working most likely, the primer line has come of the carburetor or has a hole in it. You can tip the snow thrower on to its nose. The darn thing still will not prime (no fule in the primer bulb). \"George\"Copyright 2016 Jeff's Little Engine ServiceDonations are greatly appreciated and help me make vids, just click the Paypal link below. If the receptacle is damaged, you will most likely have to replace the flashlight. Examine the bulb for corrosion or debris that may be interfering with the bulb's operation. What It Does. The bulb should feel like it is pushing gas into the carburetor. It has spark - carby is clean. NOTE: Do not stretch, bend or compress primer spring. 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. Lawnmower PRIMING Button PROBLEM can be FIXED. 2 years ago. The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. 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. 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. 3-7 HORSEPOWER all BRIGGS and STRATTON motor with a primer that is not working of... By BonzaiRod be able to see the primer bulb gets damaged or stops working carburetor or has a bad and! 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