The same goes for fuel lines. The fuel hoses connect to two elbow connector joints on the carburettor. So, I bought new lines and filters yesterday, cleaned the saw up, put in a new primer bulb etc... and started running into a issue. Currently based in Minneapolis, Minn., Eric Blankenburg has been a freelance journalist since 2000. The air in the carburetor is removed and fuel gets in. Need a diagram on how fuel lines run Poulan Pro 210,230,221,260,2550, Chainsaw Primer Bulb Fuel Chainsaw has little use on it like new but has sat awhile. So I guess that makes me a fan of the primer bulb. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Let's get started. When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. Open up the choke by moving the knob/lever to the cold start (or fully open) position. Sammy, It would run for awhile it seemed until it warmed up and then I would have to close the choke half way to keep it going. 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. Replace any worn or cracked bulbs. to the primer bulb. My Whirlpool gas oven will not ignite, but the stove top works. The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburettor using suction. "Primer bulbs" can work a couple of different ways. A primer bulb is a small rubber “button” or bulb that is pressed in order to “prime” the engine before starting. If I do everything just right, I've been able to get one start pulls out of it, if not, two, at the very worst, three, never more than that. ! These diaphragms will gradually wear out from repeated heating and cooling. So I guess that makes me a fan of the primer bulb. Check the points on the underside of the bulb as well. It all started with machine not wanting to start. How it works: Primer bulb is pressed and released The chainsaw is pretty new, a Poulan 16". The same goes for fuel lines. OEM Poulan Chainsaw Kit-Purge Bulb [530071835] | Ships This particular primer bulb is specific to poulan manufactured brands including poulan weed eater and husqvarna. REMOVING THE PRIMER BULB 1. The same goes for fuel lines. With a primer bulb, starting the lawn mower is especially easy because it sends gas into the carburetor bowl only when you need it. If not, the hose could be loose, disconnected or broken, the atmospheric vent in the carb might be clogged, the primer bulb may have a hole in it (not to be confused with the hole in the center on some primers… The primer bulb sits in the middle of this return line on most chainsaws. How Does the Primer Bulb on a Walbro Carburetor Work? This suction brings enough gas into the carburettor and cylinder to start the engine. If you install one that looks the same your saw will not start or if it does will not run right. Thank you for your question on the chain saw not staying running. Report This by Manage My Life. Homelite chainsaw primer bulb Showing 1-7 of 7 messages. question is , should i have gas visible in bulb. Once cracked, it will no longer pump fuel into the carburetor, causing a hard-starting engine. These areas with their basic associated components are: Fuel - Carburettor, Fuel filter, Fuel mix, Hoses, Primer bulb, Breather. How much disass … read more Hellllllppp!! 99. At that stage there is an automatic fast idle going. The primer bulb fills with gas (fresh) but I … having trouble with my poulan chainsaw. This is my first thread. chainsaw is not starting + air bubbles & gas are coming out of carb. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Your question was published, help is on its way! Sammy, It would run for awhile it seemed until it warmed up and then I would have to close the choke half way to keep it going. When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburettor. I have a 25cc craftsman weedwacker. What should I check? If you have this system you may or may not have fuel in the bulb. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? Check the fuel hoses' connections with the carburettor. For a question such as this, however, it is best to contact their handheld department by phone on 1-800-554-6723, or visit a hardware store who will have someone with chainsaw expertise. Yes ,you need a primer bulb. These areas with their basic associated components are: Fuel - Carburettor, Fuel filter, Fuel mix, Hoses, Primer bulb, Breather Carburettor diaphragms should be replaced by a professional. It might not start on the first pull every time, but it will start just about every time. I thought it may be sucking air into the bulb. Most small engines will not start if the carburetor is dry. I use the bulb on my 460 Rancher, just saves a couple pulls to prime the carburetor before it will start up and run. Location: Typically located adjacent to the carburetor. the primer bulb needed replacing but after replacing bulb saw still only runs a few seconds then dies. the primer bulb needed replacing but after replacing bulb saw still only runs a few seconds then dies. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. by cleaning passages , new welch plugs, carb. It is easy to flood the units. i connected according to inclosed instructions.but i didnt check to see if that was actually the proper way. If your Poulan Chainsaw has a primer bulb. Just make sure the primer bulb is the same as the original (they make many sizes and types). When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. Share it! Primer bulbs are usually positioned on the lawn mower one of two ways. Chainsaw poulan model 3314 the primer bulb wont press in. 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. When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. 4.6 out of 5 stars 57. This suction brings enough gas into the carburettor and cylinder to start the engine. Fuel lines need to be replaced on a seasonal basis, or more frequently if … 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. The primer bulb actually works to fill the carburetor with enough fuel without flooding it to ensure efficient engine starts. Bulb on Ryobi and Homelite string trimmers we have works a bit differently. Get some 1/8? The primer bulb sits in the middle of this return line on most chainsaws. Poulan chainsaw primer bulb diagram. These hoses can be ripped loose from their seats by a number of accidents. Without this button, the carburettor couldn't draw up enough fuel for the crankcase to get moving fast enough to fire off the necessary spark. Turn the chainsaw on/off switch to the on position. Other times, the bowl is empty. I am suspecting its the carbs diaphragm but dont see nothing too bad with it. Without this button, the carburettor couldn't draw up enough fuel for the crankcase to get moving fast enough to fire off the necessary spark. I have a Kenmore washer Model # 110.20022012 Type: 587-07 and I am not sure where to add my fabric softener. I thought it may be sucking air into the bulb. yes just put your finger tight against the broken buld when you push it. Hello. All of the information in this primer bulb replacement video is applicable to the following brands: Homelite, Ryobi Tools used: multi-screwdriver, T25 Torx screwdriver, flat-head bit, needle-nose pliers . Most weed trimmers have a primer bulb to prime the carburetor. Description. Old electric Remington chain saw, the primer cap just got old, cracked, and worn out. You push the bulb and fuel squirts into the venturi. I have a weed eater feather light that will not run. Step 6: Position The Chainsaw. If i press hard enough it will squirt gas back through the inlet port area. I have an Echo CS346 chainsaw that will start and run great just for a few seconds, then dies like the switch has been turned off. Troubleshoot a string trimmer that won't prime. It then just stopped. On our B&S mower for instance, there is no choke, and the bulb is actually squirting gas through the carb into the inlet are to richen the mixture. The P3314 has a built-in primer bulb that makes sure that the chainsaw starts quickly and with minimal effort. Use a press fluid to help ensure an airtight seal is maintained when the lines are pushed onto the carburettor's connectors. This helps prime the circuit, which allows your saw to be started. Hellllllppp!!! I have an old Craftsman chainsaw that runs great, once you finally get it running; it takes a long time to get the fuel in the carb and finally get it started. Only 13 left in stock - order soon. I went through the same ordeal several years ago and know this for a fact. I overhauled the carb. This primer bulb also removes the excess air from the fuel line by pulling fuel into the line. As long as there is SOME fuel in the tank, the primer SHOULD work. The choke regulates the air/fuel mixture that goes to the engine. 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. How it works: Primer bulb is pressed and released this will prevent it from leaking and it will keep the pressure right. Over time, the purge bulb will harden and crack (due to its constant contact with fuel). Get more answers from the people in your networks. Get it Wednesday, Jan 6. QAZAKY 3pc Primer Bulb for Chainsaw Trimmers Brushcutter Blower Homelite Echo Stihl Ryobi Poulan McCulloch Zama C1Q C1U C1M Series Carburetor 0057003 0057004 0058001 12538108660. The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. The primer on a two-stroke engine is used for filling the fuel lines and sucking fuel up into the carburetor. Nate, It definitely sounds like the primer bulb based on the difficult to pump and draining. Engines require these three things to run. It might not start on … I would say that you will need to service the carburetor because it is not pumping fuel and you are only running on the primer fuel shot into the carburetor throat. Once cracked it will no longer pump fuel into the carburetor causing a hard starting engine. Fuel lines need to be replaced on a seasonal basis, or more frequently if it's used in dirty, dusty conditions. Get more answers from the people in your networks. The P3314 has a built-in primer bulb that makes sure that the chainsaw starts quickly and with minimal effort. Is primer bulb necessary? Get it as soon as fri oct 4. This(WT 324 Carb.) Some chainsaws use a primer bulb to help suck gas into a cold carburetor. 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