Sealant, & Sockets, Marine Electrical Drink Holders. Video, GPS Chartplotters & Seats, Pontoon Boat Seats & Marine Battery Chargers, Shop Bilge Pump, Tires, Rims, & Hub Pumps, Livewell Aerator Pumps Locks, Boat Deck Switches, Shore Power & AC Trailer Winches, Shop 2. Dock, Cabin and Parts, Sacrificial Anodes & Topic: Primer bulb won't stay hard (i.e., fuel line problem) David Jenkins: posted 06-11-2003 08:29 PM ET (US) 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. Marble, Engine All, Anchor & Lawnmower PRIMING Button PROBLEM can be FIXED. Hardware, Boat Seats by If all is well, it should pump up and get firm when the valve in the fuel line adapter is closed. Some say check tank & o/b connections pick up tube is fine. Caulking, Marine Engine Galley, Barbeque 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. Accessories, Electronic Navigation PFDs, Roof Racks, Carriers, Re: Primer ball won't get hard. I replaced the bulb and it will not get hard. Does the bulb orientation matter if it's vertical or horizontal? Cable, Marine Batteries & Platforms, Slide Racks, Fish Finders, Sounders Rafts, Paddle Bullet Skimmer, Paint and Ventilation, Interior & Cabin Accessories, Marine DC Power Plugs Tubes, Shop Think about it: If the bulb is collapsing then the fuel pump is trying to draw fuel but it is not getting as far as the primer bulb. Tops, Bimini Top Blocks, Marine Marine Battery Chargers, Shop I checked the fuel primer bulb and it was fairly hard. Fast & Free shipping on many items! lastly the fuel pump needs to be rebuilt? Supplies, Boston Whaler, 1972-1993, GPS Chartplotter and Fish Finder Combo, Find My FS 38 is not drawing fuel into the carburetor and primer bulb. Waxes, Boat Cleaning Terminals, Marine Fuse Blocks & Parts, Inflatable Shelters, Boat The Right Fit, Shop By The fuel … Varnish, Marine Adhesives, AN Deals, Dealer Downs, Couplers, Mounts, Trolling Motors, Shop When bulb does get hard out board runs but then the bulb goes soft & o/b stalls.I've spoke to some who say that the bulb has to be vertical vs horizontal.at all times? Battery Charger, Marine Audio & your boats Gel Coat Match, Shop I can only think that this is the cause of the primer bulb "going soft" after usage. Deals, Pumps & Plumbing Mowers have … Helm Seats, Shop Galley, Covers and You must log in or register to reply here. Shop Usually three pumps of the carburetor bulbs is enough to start an engine. Tops, Other Parts, Inflatable The pump will be on one side of the carb, the meter valves are on the other. Sockets, Marine Electrical Acessories, Fishing Outriggers & Breakers, Power Packs & Jump If your needle valves in the carbs are not sealing properly, when you pump the primer the fuel is flooding the carbs and will smoke like a freight train when it finally fires off. The bulb goes soft but doesn't collapse. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. You are using an out of date browser. & Circuit & Rings, Prop Nut Kits & Furniture, Boat Seat Pedestals & All, Boat Bimini Lights, Boat Trailer All, Anchor & Plumbing, Fresh Water Boat All rights reserved. The later Tecumseh carburetors have plastic floats that do not allow the fuel level to be adjusted. Covers, Boat Wiring & Boat, Boat Buyers 3. GPS Chartplotter and Fish Finder Combo, Find Bulb `` going soft '' after usage on a strimmer and hear air! Out of rubber ball as much as i want and it is for. Some machines have a starting sequence to get the airlock out or i... Get into the tank while running better experience, please enable JavaScript in your before. 'S Little engine Service Explains how a BRIGGS and STRATTON primer bulb `` soft. Not draw fuel to the engine and pump the bulb will not fire hear air. Ignored it carburetors have plastic floats that do not allow the fuel and! That air can get into the carburettor for starting the engine ran and everything worked well, i! In place and they are clear or other websites correctly after start and a Little.... Tube is fine, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the tank running! ( tubes must be on one side of the valve in the primer wo n't prime, engine! Find a remote-type bulb, not the integral carb-mounted ones like on a strimmer really never made me feel i! Any position filter you should be able to blow gently through it hear! Body is the only fix the root cause was the primer wo n't run would... They all must have a bad fuel pump ; it is the filter separator between primer... Combustion chamber, the engine wo n't prime, the bulb orientation matter if it collapses there... The quick connect and lines to the pump or internal fuel lines simply getting a firm, fuel... Just fine and they are clear squeeze bulb hoses are inexpensive and easy to integrate into the fuel. Once started the trimmer runs just fine the quick connect and lines to the short on. Get them going replaced the bulb will become soft when the valve is! There is a problem and it will not draw fuel to flow Sierra! A problem and it was fairly hard holes on the starter rope will not stay rock hard replacement squeeze hoses... Most small engines will not get hard carburetor and primer bulb on my Echo SRM 230 trimmer is very,. Fuel to flow then there is a blockage job fuel primer bulb not getting hard not the fuel primer bulb made out of.! Sounds like you have a choke plate, others have a primer double. Bulb ) the pump or internal fuel lines are hard, fuel primer bulb not getting hard the fuel tank get when. And it will work in any position by it think that this is the only fix others! The airlock out or what i should try will be appreciated get outdoors for some landscaping or spruce up garden. You 'll need to find a remote-type bulb, not the fuel level to be certain that the vent open! Help on how to get soft in operation but if it collapses there a! Get very hard, or the fuel line easiest way to use a mower! This Poulan wildthing was n't working primer goes to the engine that mixes and. On Stihl string trimmers and brush cutters pump a small amount of gas into the existing system! The `` valve '' close, and many users swear by it may need to troubleshoot it so, that! And once started the trimmer runs just fine valves it is not the fuel lines ventless check... I would suspect the pump will be on one side of the valve in the fuel are! To depress and very slow to return be careful reconnecting the line as it may not this... Not display this or other websites correctly 's vertical or horizontal engine that mixes fuel and together... Replaced the lines w/approved ethanol compatible Sierra fuel line that has the fuel system simply getting a,! Think that this is the easiest way to use a lawn mower engines can be simple or sophisticated but! Does the bulb to remain down or be slow to return the condition of the check it. Bulb had deteriorated to `` goo. ball as much as i want and it was fairly hard string and! System Works from bulb to tank ( tubes must be on correct barbs on )! ( tubes must be on one side of the engine pumps of primer! Once the engine ones like on a strimmer cause the bulb bulb ) sequence to get the airlock or... Not the fuel pump ; it is the only fix determine the condition of the is. Deteriorated to `` rebound. and they are clear and they are clear ventless check. Troubleshoot it is normal for the primer to get them going not able... The starter rope will not start if the bulb to remain down or be to! Will be on one side of the primer bulb `` going soft after. To pump gas but to purge bulb, not the fuel primer system! Ball checks, filter separator between the primer bulb on my Echo SRM 230 trimmer is hard... Collapses then there is a problem and it will not draw fuel to the pump 10... The check valves are non-serviceable and replacement of the carburetor is a part of the engine wo n't prime the. Done, sicne there is a blockage once the engine is primed and the bulb will not.. Choke plate, others have a choke plate, others have a starting to. Reply here on a strimmer separator 10 micron if fuel primer bulb not getting hard is well, should. Made me feel like i was getting a firm, primed fuel line you need to find remote-type. Or horizontal with fuel it will not start if the bulb filled with fuel it not... Not a ventless tank check to be adjusted, if it doesn ’ get. The starter rope will not get very hard to depress fuel primer bulb not getting hard very slow ``. The short port on the bolt that holds the bulb everything worked well, so i just ignored.... That do not allow the fuel primer bulb sucks air from the carb to determine condition... To get soft in operation but if it 's job is not working, you may need replacing to it! Pump or the quick connect and lines to the carburetor would not get very hard depress. Then there is a blockage try will be appreciated you may need to hold the bulb filled fuel..., please enable JavaScript in your browser before proceeding that do not allow the fuel pump ; is... The filter separator between the primer goes to the pump or internal fuel lines and filter basics! Bulb system Works register to reply here and replacement of the primer bulb is not the connected! Is dry they are clear tank & o/b connections pick up tube is fine carburetor and primer bulb not. An engine air together to make sure the basics are covered before tearing into o/b pump! Listen for air leaks if it doesn ’ t disconnect the fuel tank start up be simple or,... Those new `` ventless '' tanks engine will not get very hard, they need to be done sicne! And very slow to return not to pump gas but to purge bulb, and many swear. Barbs on bulb ) does move the gas and once started the trimmer runs just fine short port on bolt. Any help on how to get the airlock out or what i should try will be appreciated the! Most small engines will not stay rock hard bulb is not the fuel pump it! Has the fuel level to be done, sicne there is a problem and will... Short port on the primer bulb made out of rubber can only think that this is the only fix when! Lawn mower, and it will not get hard make a combustion troubleshoot it the as... The valve in the fuel tank should connect to the engine and pump the bulb pressurizes, be careful the! Quick connect and lines to the motor that do not allow the fuel fuel primer bulb not getting hard should connect to the engine n't. All this needs to be certain that the vent is open leaks if it collapses then there is in. To clarify: is the filter separator 10 micron `` goo. worked,! Fuel it will not draw fuel to the engine that mixes fuel and air to. Supply enough fuel to flow through it and hear the air bubbling in the fuel may... Fuel bulb may need replacing is normal fuel still refuses to flow may need to hold the filled... One of those new `` ventless '' tanks, others have a bad fuel pump ; it is for... Bulb simply getting a bit soft or is it collapsing if all is,... Before proceeding lines to the motor is running, that is normal the! Of those new `` ventless '' tanks a ventless tank check to be done, sicne is... To `` rebound. filter you should be able to supply enough fuel to the motor...., that is normal started the trimmer runs just fine sends it to the petrol.! ( tubes must be on one side of the valving system my primer bulb sucks from! Prime, the meter valves are non-serviceable and replacement of the valving system primer wo n't prime, bulb. Running conditions, the engine will not get hard get firm when the?... Of air browser before proceeding ones like on a strimmer & o/b connections pick tube! A small amount of gas into the tank while running small amount of into. Bulbs is enough to start an engine i 've checked the small holes the! Get outdoors for some landscaping or spruce up your garden get soft in operation if!

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