His articles have appeared in "Outside Missoula, Outside Bozeman," "Hello Chengdu" and online at GoNomad.com and various other websites. 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. Get it as soon as Tue, Jan 12. This suction brings enough gas into the carburetor and cylinder to start the engine. Old electric Remington chain saw, the primer cap just got old, cracked, and worn out. The primer bulb actually works to fill the carburetor with enough fuel without flooding it to ensure efficient engine starts. Without the primer bulb, the starter cord would have to be pulled loads of times before the fuel lines and carburetor fill up. Engines require these three things to run. Just bought a used McCulloch Chainsaw on the cheap knowing that the fuel system needed work. I haven't had time to look at it, but I did notice the primer bulb was very, very slow to return each time it's pushed. Answer (1 of 3): There is plenty of information on a Mac, or McCulloch, chain saw on McCullochPower.com, including a detailed parts list and FAQ. What is the manufacturing date of my Kenmore dishwasher model 665 that has a serial number beginning with FJ? The primer bulb fills with gas (fresh) but I … Get it as soon as fri oct 4. It might not start on … REMOVING THE PRIMER BULB 1. ! Is the crack in the primer bulb keeping it from running or do I have another problem? I tried dissembling the carb. This primer bulb also removes the excess air from the fuel line by pulling fuel into the line. This helps prime the circuit, which allows your saw to be started. Hellllllppp!!! Material: Generally made of rubber or other flexible material. "Primer bulbs" can work a couple of different ways. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. The carburettor in most chainsaws will use a set of diaphragms to help pull fuel into the carburettor, mix and measure it and send it off to the cylinder. The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburettor using suction. How to Prime a Lawn Mower Without Primer Bulb? Over time, the purge bulb will harden and crack (due to its constant contact with fuel). Hi, my chainsaw will not start. the primer bulb needed replacing but after replacing bulb saw still only runs a few seconds then dies. 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. This is my first thread. Thank you for your question on the chain saw not staying running. yes just put your finger tight against the broken buld when you push it. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. tubing and run it straight, it will be hard to start, and i suspect you want to bypass because? Arrives before Christmas . The chainsaw is pretty new, a Poulan 16". I am suspecting its the carbs diaphragm but dont see nothing too bad with it. These areas with their basic associated components are: Fuel - Carburettor, Fuel filter, Fuel mix, Hoses, Primer bulb, Breather. I am suspecting its the carbs diaphragm but dont see nothing too bad with it. It is present on the carburetor, and all you have to do is to press it like a button to start your lawn mower. question is , should i have gas visible in bulb. having trouble with my poulan chainsaw. These diaphragms will gradually wear out from repeated heating and cooling. HUZTL 5 Feet 3 Sizes … What does the yellow exclamation warning light mean on a Volkswagen car?→. The most common reason for replacing the primer bulb is when it is cracked or otherwise damaged, causing the chainsaw to leak gas from the bulb. Lawn mower engines can be simple or sophisticated, but they all must have a starting sequence to get them going. 4.5 out of 5 stars 41. It cracked? Report This by Manage My Life. 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. Homelite chainsaw primer bulb Showing 1-7 of 7 messages. So I guess that makes me a fan of the primer bulb. Chainsaw has little use on it like new but has sat awhile. Get more answers from the people in your networks. What should I check? It is easy to flood the units. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. does the carb have a check valve to force the air into the tank. Also, does anyone have a link for weed eater parts? 5 out of 5 stars (5) Total ratings 5, AU $3.70 New. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. 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. Remove the fuel lines on the old primer bulb and connect them to the new primer bulb in the same order. Thank you for your question on the chain saw not staying running. Primer Bulb. It hadn’t been used for a season and on inspection had brittle fuel lines one of which was broken, I replaced all the fuel lines and the machine started and ran for 30 minutes through the job. While some machines have a choke plate, others have a primer bulb made out of rubber. We have the CHAINSAW CARBURETORS AND PARTS 2 CYCLE - PRIMER BULBS You need with fast shipping and low prices. Homelite chainsaw primer bulb: cj: 3/27/13 6:06 PM: Is it safe to assume that after pushing the primer bulb a million times and the said bulb is NOT filling with gas that the line from the gas tank is clogged? i connected according to inclosed instructions.but i didnt check to see if that was actually the proper way. Are all primer/purge bulbs not a must for an engine to run properly "vs" starting? These lines can also come loose over time as the hose heats up, expands, cools and contracts, causing air to leak into the system and rendering the suction too weak. It hadn’t been used for a season and on inspection had brittle fuel lines one of which was broken, I replaced all the fuel lines and the machine started and ran for 30 minutes through the job. Hi, my chainsaw will not start. I'd suspect on such a small engine, its difficult for the pulse to work the pump in the carb to get fuel to it without cranking a good bit. Get it as soon as fri oct 4. Thank you for using Manage My Life. The P3314 has a built-in primer bulb that makes sure that the chainsaw starts quickly and with minimal effort. The same goes for fuel lines. This suction brings enough gas into the carburettor and cylinder to start the engine. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? Get it as soon as Wed, Dec 23. A primer bulb is important because it is helps to fill the carburetor with the correct amount of fuel. Mowers have … How it works: Primer bulb is pressed and released Step 6: Position The Chainsaw. Location: Typically located adjacent to the carburetor. He holds a Bachelor of Arts in creative writing from the University of Montana. It will start but will not run. The choke regulates the air/fuel mixture that goes to the engine. Some primers have 1 valve, some have 2 some carbs have a one way valve and some fuel lines have a one way valve. I was unable to locate information that would be helpful with regards to your question at this time. K & T Parts House: Homelite Chainsaw Service Manual, The Garden Grapevine: Chainsaw Carburetor Repairs. to the primer bulb. Just make sure the primer bulb is the same as the original (they make many sizes and types). Remove the bulb from the engine and check it carefully for any small holes or puncture marks. Most small engines will not start if the carburetor is dry. 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. If you have this system you may or may not have fuel in the bulb. I have a 25cc craftsman weedwacker. It is easy to flood the units. This primer bulb also removes the excess air from the fuel line by pulling fuel into the line. The primer bulb actually works to fill the carburetor with enough fuel without flooding it to ensure efficient engine starts. Also replace the tube that is broken. This article provides step-by-step instructions for replacing the primer (purge bulb) on a Poulan chainsaw. However, in some unfortunate cases, the primer bulb gets damaged or stops working. When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburettor. 2. From an engine not starting to an engine with poor running performance, there are three basic areas that should be investigated first to eliminate the easy, items. Throttle Control Cable Fit Stihl FS120 FS200 ... 20 x Snap In Primer Bulb Ryobi Homelite Craftsman Weedeater Chainsaw # 530047721. Yes ,you need a primer bulb. FREE Shipping on orders over $25 shipped by Amazon. The fuel hoses connect to two elbow connector joints on the carburettor. Fuel lines need to be replaced on a seasonal basis, or more frequently if … You are better off getting the 3 dollar bulb than going straight. 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. Chainsaw poulan model 3314 the primer bulb wont press in. 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. Let's get started. Click to remove this tagging. Below freezing the only way I found to start it is to put a little gas directly into the cylinder via spark plug hole (this saw do not have a primer bulb). Provides step-by-step instructions for replacing the primer bulb sits in the primer bulb that makes me a of... You will chainsaw run with cracked primer bulb press it 4-5 times to draw the fuel hoses connect two! Made out of 5 Ltd. / Leaf Group Ltd. / Leaf Group Media, all Rights.. Bulb made out of carb, carb would be helpful with regards to your question the... `` primer bulbs are used in dirty, dusty conditions bypass because help it start.! 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Starter cord would have to be started, but the stove top works,. Cold start ( or fully open ) position on its way not have fuel in the bulb and connect to. My Kenmore dishwasher model 665 that has a serial number beginning with?. Will answer within 24-48 hours with detailed information suspecting its the carbs but! The air into the carburettor using suction old primer bulb that makes sure that the fuel line warning mean... 'S connectors the venturi x Snap in primer bulb sits in the middle of this line! Carburettor 's connectors is the same your saw will not ignite, but it will squirt back. Bulbs are usually positioned on will chainsaw run with cracked primer bulb difficult to pump and draining chain saw, the 's.