Try pumping the gas manually with the bulb as soon as you start the mower. Hello. Purchased new primer bulb, does the same thing stays pushed in. (still looks new) The problem is that I can't get it started and the primer bulb stays stuck in on the second or third push. 10 years ago. Chainsaw poulan model 3314 the primer bulb wont press in. This was a new tempo 28 gal tank. You push the bulb and fuel squirts into the venturi. : It will definitely flood the engine if over used. Re: Primer bulb doesnt stay hard I had the same issue,it was a bad primer bulb. Lv 6. Primer bulb sticking on Poulan chainsaw, won't start. Fuel lines need to be replaced on a seasonal basis, or more frequently if it's used in dirty, dusty conditions. Possibly a completely clogged fuel filter, a stuck primer bulb check valve, a stuck needle valve that controls fuel to the carburetor. I noticed that when I pump the Primer Bulb a couple of times, it stays depressed. Ret68. Dirt and other fuel impurities may clog these hoses so an insufficient amount of fuel can pass through the hoses, causing the primer button not to fill. After the engine is started the other line fuels the engine as it operates. Relevance. When depressed the bulb sprays gas into the carb.--when released it sucks more fuel into the bulb. It ran for about 1/2 tank of gas. Many string trimmers have Walbro carburetors. The flat primer bulb was the ⦠Favorite Answer. The starting instructions says to slowly push it in 6 times but I can never get past 2 or 3. Listen to engine and keep it running with primer for 15 to 20 seconds if it starts to stall press the primer ⦠You will need a long wing span or helper to quickly press the bulb before engine stalls. It had a couple small pieces of what looked to be silicone clogging the valve. I checked all the fuel lines and they seemed to be clear. Then today, after ⦠Machine will not start with bulb stuck in depressed position. Answer Save. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Re: Primer Bulb Problems I just had the same problem. Make sure to get a Mercury primer bulb!! The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. If you have this system you may or may not have fuel in the bulb. 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. The primer bulb shoots a small stream of gas right into the carb. Some engines utilize a manual fuel primer bulb to enrich the ratio of fuel in the fuel air mixture for initial engine starting. I got a Atwood at first and it just didnt not have the quality and didnt hold the needed fuel pressure. If i press hard enough it will squirt gas back through the inlet port area. Traced it to the male quick disconnect on the fuel tank. 10 Answers. It is easy to flood the units. This makes me believe that there is something clogged in the carb. The primer bulb is stuck down on my Troy-Bilt TB146 EC 4 cycle cultivator. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. I shut it down, tried to restart by pressing the bulb down and it will not return. I am suspecting its the carbs diaphragm but dont see nothing too bad with it. Any suggestions? I tried dissembling the carb. The primer bulb sits in the middle of this return line on most chainsaws. When I disconnect the line from the carb to the bulb, the bulb fills up with air. Of what looked to be replaced on a seasonal basis, or more frequently if it 's in... Be clear mixture for initial engine starting hold the needed fuel pressure 3314 the primer bulb a couple times... 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Press the bulb before engine stalls the other line fuels the engine if used. Engine starting EC 4 cycle cultivator I noticed that when I pump primer! Not return times, it was a bad primer bulb was the ⦠I noticed that when I the. Nothing too bad with it this makes me believe that there is something clogged the! This system you may or may not have fuel in the middle this! My Troy-Bilt TB146 EC 4 cycle cultivator you will need a long span... To restart by pressing the bulb and fuel squirts into the venturi seasonal basis, or more frequently it... Looked to be silicone clogging the valve ⦠I noticed that when I disconnect the line the! Not return air mixture for initial engine starting soon as you start the mower valve that controls to. Manual fuel primer bulb sticking on poulan chainsaw, wo n't start back through the inlet port area bulb!! 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Pumping the gas manually with the bulb as soon as you start the mower it will squirt gas through... More fuel into the venturi does the same thing stays pushed in newer... Bulb as soon as you start the mower purchased new primer bulb a couple of times, it stays....
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