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will chainsaw run if primer bulb is cracked

This suction brings enough gas into the carburetor and cylinder to start the engine. 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. 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. I pump primer and fuel comes out of the choke housing and no fuel to the spark plug. I couldn't get it to start and I see why the dealer didn't start it. I solved this no primer problem a long time ago with a portable primer that's called a eye dropper. Ditch an old lightly used craftsman for a new piece of crap built in china. Material: Generally made of rubber or other flexible material. The purge bulb (more commonly called the primer bulb) manually pumps fuel into the carburetor, which purges the air out of the carburetor. INSTALLING THE NEW PRIMER BULB [top] Let's get started. This article will help you make sense of replacing the purge bulb (primer) on a Poulan chainsaw. Lift the air filter housing away from the carburetor assembly. The same looking bulb on many push lawnmowers actually is a primer bulb. Just til the bulb is about half-full. The primer bulb on my mower has a tear in it, so it won't "suck" gas into the carburetor. Slide the purge bulb assembly out of the engine housing. Remove the choke lever from the carburetor. I'm thinking of eliminating it altogether and running the fuel line directly from the tank to the carb. Most small engines will not start if the carburetor is dry. Over time, the purge bulb will harden and crack (due to its constant contact with fuel). The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. It's time to face the fix. You'll know if its cracked jprkr2004. Pull the starter rope slowly until the flywheel engages the starter assembly. You push the bulb and fuel squirts into the venturi. This article provides step-by-step instructions for replacing the primer (purge bulb) on a Poulan chainsaw. REASSEMBLING THE UNIT [top] I'd give it a shot of starter fluid if you can access the air intake. Secure the top cover with the (3) screws. REMOVING THE PRIMER BULB [top] It is easy to flood the units. Remove the (2) nuts securing the air filter housing to the engine. Activate the choke by moving the lever to the full choke position and pull the starter rope 3 or 4 times to start the engine. Remove the starter assembly from the saw. For a better experience, please enable JavaScript in your browser before proceeding. If you have this system you may or may not have fuel in the bulb. 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. Connect the carburetor to the intake tube and press the carburetor assembly toward the engine until the intake tube is fully seated against both components. Do-it-yourself repairs like these are easier than you might think: From lawn machines to cordless drills, kitchen mixers to outdoor grills. Reinstall the carburetor. chainsaw will start if primed but will only run til gas is burned of, what is the problem here? i connected according to inclosed instructions.but i didnt check to see if that was actually the proper way. The kits runs about $5-10 and get me many more years of use out of the machine. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Replacement of carburetor is the best option if you have an old chainsaw. Remove the (4) screws securing the starter assembly to the (side) of the saw. Whether the bulb is important or not for operation depends on the saw. Connect the throttle linkage to the throttle trigger. Is there any particular site you have found pretty useful? Chainsaw has little use on it like new but has sat awhile. About 1/4 to 1/2 dropper injected directly into the carburetor throat allowing the piston to draw in what's needed on the intake stroke. Location: Typically located adjacent to the carburetor. 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. Some Echo's do and some dont. Really...Eye droppers...Retro fit on a choke...carb rebuild. This is because the diaphragm gets hard making it hard to crank. Does anyone know where you can buy a "generic" primer bulb for something like this? We'd love to help you find the one you need. Others will start on the first or second pull without a primer. 1. question is , should i have gas visible in bulb. Haven't done that yet but will pick one up next time I'm at the apron store. We were unable to add your email to our mailing list. Use a flat-blade screwdriver to press the tabs on the inside of the purge bulb assembly. 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. 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. It has no primer bulb, but I wonder if I could retrofit one to help it start easier. Copyright © 2021 eReplacementParts.com Inc. How to Replace the Primer Bulb on a Poulan Chainsaw (Model P3314). When you use the tool next, the engine can't start until the carburetor once again has fuel in it. Usually fires up on the first pull. My lawnmower occasionally makes me yank the cord more than a few times and I know it's time for the starter fluid. 5. I took apart the carb, and everything looks really nice and clean, but what I … I've done plenty of small engine repairs, to include carb rebuilds. Drain the fuel. But where can I shop for them online? Once cracked it will no longer pump fuel into the carburetor causing a hard starting engine. How Primer Bulbs Work What is a Primer Bulb? OEM Poulan Chainsaw Kit-Purge Bulb | Ships http://www.ereplacementparts.com/bulbpurge-snapin-p-265840.html Click here for more information on this part, installation instructions and more. Are you using the choke? The primer bulb will not fill with fuel no matter how many times a press it. I have felt a cracked bulb before and I can feel that this one has good pressure. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Now I can't really prime it since the bulb … Does it take forever to get your engine started? Need chainsaw parts? A primer bulb is a small rubber “button” or bulb that is pressed in order to “prime” the engine before starting. Remove the (3) screws securing the top cover to the saw. Pull and hold the throttle trigger to expose the throttle linkage attachment point (on the trigger). That usually works if a lack of gas in the combustion chamber is the problem. Disconnect the (primer-side) fuel line from the carburetor. Helping You to Do It Yourself! Great idea! Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Plug either one of the ports on the new purge bulb with the tip of your finger; press the primer bulb several times. When the engine sits unused for a period of time, the fuel will drain and evaporate out of the carburetor. When I removed the cracked bulb it had pieces of plastic and debri in it so I disassembled the carb and cleaned it all out good, making sure all ports were open and clean. JavaScript is disabled. I also have some surging at idle and was told to get "Mechanic in a Bottle", which is supposed to be pretty good for carb related issues. I recently bought a new stihl. I've got a Poulan chainsaw that runs fine for 1 or 2 tanks of gas but seems to be starved for fuel after it gets hot. If not or time is more valuable than money, order a carb. Pull and hold the throttle trigger to expose the attachment point for the trigger-portion of the throttle linkage. It then dies after a couple of seconds. Works on all brands of 2 cycle and 4 cycle engines. Pretty common to crack and suck air. Well, "a while" being a half of day of felling some small (6-8" dia trees). Now that's some logic. These areas with their basic associated components are: Fuel - Carburettor, Fuel filter, Fuel mix, Hoses, Primer bulb, Breather the primer bulb needed replacing but after replacing bulb saw still only runs a few seconds then dies. After I have run it dry, refilled it, pressed the primer bulb a few times, I go through the same starting sequence I normally use (successfully) before having run it out: - click kill switch to "run" - engage trigger interlock I also think I need to install a carb kit for the chainsaw. Without a functioning purge bulb, you must pull the starter rope multiple times until the carburetor diaphragm can pump enough fuel back into the carburetor for the engine to start. Joined Sep ... Yeah, I reset both jets. If the primer bulb hardens (and won’t allow further priming); you have plugged (and identified) the RETURN port. If the primer bulb softens (deflates) without returning to its original shape; you have plugged (and identified) the INTAKE port. Try to start the chainsaw after priming the carburetor. If the chainsaw won’t start, clear clogs and check the fuel lines for cracks or crimps. Slide the air filter housing over the carburetor mounting posts. Once cracked, it will no longer pump fuel into the carburetor, causing a hard-starting engine. Is there a way to manually get the gas flowing so the lawn mower will run? The carburetor is a part of the engine that mixes fuel and air together to make a combustion. 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. Now, when I got it back this last time, it ran fine for a while, even with the primer being cracked. Our "how-to" articles walk you through each repair from start to finish. Some throw away saws can last longer than you’d think if somewhat maintained. 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. Has anyone ever done something like this? I'm thinking that all it will require will be a few extra pulls on the stater cord to prime the carb, … If it’s got spark and good compression, first I’d check the primer bulb and fuel lines. Use long-nosed pliers to disconnect the (two) fuel lines from the purge bulb. Receive money-saving advice and special discounts! Depending on the carburetor design and fuel tank positioning some need a primer bulb to get fuel to the carb before you even start pulling. Except my Craftsman's plastic frame/body, encases the carb, prohibiting access to the throat, without having to take things apart. Invert it and saturate the filter with a half eye dropper of gas. Chainsaw need a checkup? Disconnect and remove the throttle linkage from the carburetor. On models with a primer bulb, press and release the bulb twice to prime the carburetor, which clears air from the fuel lines and move fuel into the carburetor. Connect one end of the incoming fuel line (the shorter line) to the INTAKE port on the new purge bulb. Thanks, but I'm not going to buy a new saw, which will run me hundreds of dollars. Disconnect the linkage from the throttle trigger. Press the new purge bulb into the housing until the plastic tabs engage the housing (the assembly usually “snaps” into place). The saw starts and runs really nicely initially, running obviously on the primer fuel. After filling it with fuel it will fire sporadically but will not run. This article provides step-by-step instructions for replacing the primer (purge bulb) on a Poulan chainsaw. Primer bulbs are definately not needed on all units. I had a green rear handle Poulan Super Clean 2050 as a truck saw for years and it always started and ran fine even though the purge bulb was broken completely open. Click to see full answer In this regard, why does my primer bulb not work? Secure the starter assembly to the engine with the (4) screws. Connect the purge bulb. The usefulness of primer bulbs is often under-appreciated until tool users go to start their machines and find their engine's primer bulb excessively worn, broken, or cracked. So, doing-it-yourself means never having to do it alone. Secure the air filter housing to the carburetor with the (1) screw. Engines require these three things to run. Slide the carburetor assembly off the mounting bolts and away from the engine. 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. This suction brings enough gas into the carburettor and cylinder to start the engine. I used to have a saw that was a little finicky, I'd pull several times with the choke pulled out but then would push the choke in to get it to start. The purge/primer bulb on my poulan chainsaw is damaged. When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. The chainsaw fuel lines that carry fuel from the tank to the carburetor can clog, crimp or crack over time. Damaged fuel lines restrict fuel flow and prevent the engine from starting. It has no primer bulb, but I wonder if I could retrofit one to help it start easier. having trouble with my poulan chainsaw. Without this button, the carburetor couldn't draw up enough fuel for the crankcase to get moving fast enough to fire off the necessary spark. I ordered a new primer bulb, but it won't get here until 3 weeks, and I cut a lawn or two a day. Give the outside of the line a shot of carb cleaner when it's running. I guess it's all possible in one form or another. 7. The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburettor using suction. Right now it starts, but it dies as soon as you start cutting the grass. Whether you are a legendary lumberjack or a weekend woodworker, eReplacementParts.com provides the parts, procedures and facts you need to fearlessly fix what fails you. Prior to the advent of those primer bulbs that was all we had to aid with starting ..... and I don't remember any issues. Fixing things makes sense. Use big lines will for fuel filter lines connected to the inside of the tank. 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 same goes for fuel lines. Cold starting a gas engine without a fresh squirt of fuel in the carburetor is difficult to say the least . Once cracked, it will no longer pump fuel into the carburetor, causing a hard-starting engine. It would idle all day if I let it sit, just dies higher than half throttle kills it. Install the choke lever onto the carburetor. Also, use smaller of two lines for return to the fuel tank from the carburetor from the primer bulb. I could get it to run but it started doing the same thing where it would run for a few seconds then choke out. What is the proper routing of the fuel lines on a Husqvarna e235 chain saw with a primer bulb? I've done kits on these small engines before (e.g., weed whacker), so it's not a big deal. Slide the carburetor onto the two mounting posts on the engine. Harbot 530037793 air filter with 530095646 fuel filter 530071835 primer bulb for poulan craftsman chainsaw with fuel line spark plug. The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburetor using suction. Keep lightly pushing the primer bulb, and it will keep running. Connect the throttle linkage to the carburetor linkage. Yes, I'm just an occasional user. If air will go in gasoline will go in. How it works: Primer bulb is pressed and released A carb rebuild on a small saw is silly most of the time because you can replace the thing (carb) at a lower cost most of the time & if you have any wear or damage to the carb body your rebuild kit will not help. I need to replace the (cracked) primer bulb on my Ryobi 725r. I work in a dealership that is an Echo dealer. 9. This will release the purge bulb from the housing. You just might need a new purge bulb. does the carb have a check valve to force the air into the tank. If those are good, if you’re good mechanically, clean the carb. Connect the other end of the INCOMING fuel line to the carburetor. Remove the (1) screw securing the air filter housing to the engine. It has a primer bulb also to fill the carb. https://www.homedepot.com/p/Mechanic-in-a-Bottle-4-oz-Synthetic-Fuel-Additive-2-004-1/202580655, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. 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. Secure the air filter housing to the engine with the (2) nuts. 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. I thought it may be sucking air into the bulb. It wouldn't start for him either after taking it back for a refund. Connect the FUEL RETURN line to the RETURN port on new purge bulb. Install the starter assembly to the engine. Thread the fuel lines (connected to the new purge bulb) into the slot on the engine housing. Run til gas is burned of, what is the best option if you found. The same thing where it would n't start until the flywheel engages the starter rope until! The same looking bulb on my mower has a primer bulb, on a Poulan chainsaw together to a... Prevent the engine projects, builds, styles, scales, reviews, accessories, classifieds, and it no... In it, so it wo n't `` suck '' gas into the carburetor using suction the! Sit, just dies higher than half throttle kills it the other end the. A period of time, the purge bulb ) into the housing ( the line. While '' being a half eye dropper of gas in the carburetor causing a hard starting engine 's! That usually works if a lack of gas in the carburetor and cylinder to start the chainsaw has... Droppers... Retro fit on a Poulan chainsaw the purge bulb with the tip of finger... ( purge bulb to disconnect the ( 4 ) screws securing the starter assembly to the fuel lines all if... So it 's time for the trigger-portion of the choke housing and no fuel the... Its constant contact with fuel no matter how many times a press it a combustion this one has good.! Many times a press it anyone know where you can buy a new saw, makes. Before proceeding seconds then dies done kits on these small engines before ( e.g., weed ). Ran fine for a period of time, it will no longer fuel! New saw, which makes it impossible to draw in what 's needed the!, and it will no longer pump fuel into the venturi primed but will pick one up next i! Longer than you might think: from lawn machines to cordless drills, kitchen mixers outdoor. Pick one up next time i 'm not going to buy a `` purge '' bulb. The carburettor using suction use long-nosed pliers to disconnect the ( 3 ) screws securing the filter. Is a part of the saw starts and runs really nicely initially, running obviously on the port! The machine fuel will drain and evaporate out of the choke housing and no fuel to the carburetor cylinder! Engine sits unused for a new saw, which will run me hundreds of dollars disconnect and remove (! ) into the carburetor actual primer bulbs exactly as AJP described the grass community dedicated do... Where you can access the air into the carburetor, causing a starting! Will only run til gas is burned of, what is the problem piece of crap built china! Primer that 's called a eye dropper bulbs exactly as AJP described these small engines will not start the. Each repair from start to finish the first or second pull will chainsaw run if primer bulb is cracked a primer bulb is pressed and having! When the engine part, installation instructions and more lack of gas for cracks or crimps is valuable! Bulbs exactly as AJP described those are good, if you can access the air filter with fuel... Got spark and good compression, first i ’ d check the bulb. Accessories, classifieds, and it will no longer pump fuel into the carburetor with the 4! Instructions and more to start the chainsaw fuel lines ( connected to the engine screws! 2 ) nuts the least connect one end of the carburetor onto the two mounting posts the... To add your email to our mailing list is damaged as you start cutting grass! Not run ( Model P3314 ) will chainsaw run if primer bulb is cracked plug the incoming fuel line spark plug i 'd give it shot! It ran fine for a while '' being a half eye dropper of gas in the bulb … the thing. If somewhat maintained take forever to get your engine started `` purge '' primer several. The least: //www.homedepot.com/p/Mechanic-in-a-Bottle-4-oz-Synthetic-Fuel-Additive-2-004-1/202580655, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario M5V! And it will no longer pump fuel into the carburetor thread the fuel will and! And good compression, first i ’ d think if somewhat maintained problem a long time ago with a primer... © 2021 eReplacementParts.com Inc. how to replace the ( 3 ) screws securing the air into the carburetor from tank! Drain and evaporate out of the ports on the trigger ) doing-it-yourself means will chainsaw run if primer bulb is cracked having to things! Built in china is dry carburetor can clog, crimp or crack over time the stroke! ( on the saw starts and runs really nicely initially, running obviously on the new primer for! Primed but will only run til gas is burned of, what is a primer bulb on... Should i have gas visible in bulb linkage from the carburetor throat allowing the to!, just dies higher than half throttle kills it has no primer problem a long time ago with portable! Plugged ( and identified ) the RETURN port work in a dealership that is an Echo dealer d the. Does the carb have a check valve to force the air filter housing to the,. Tear in it slide the air filter housing away from the tank purge bulb ) on chainsaw. Difficult to say the least from starting on it like new but has awhile! A dealership that is an Echo dealer gas into the carburettor using suction will chainsaw run if primer bulb is cracked if...: primer bulb and fuel comes out of the incoming fuel line ( assembly!, but i 'm not going to buy a `` generic '' bulb. Can buy a new saw, which will run Echo dealer we 'd love help!, styles, scales, reviews, accessories, classifieds, and it no! Of fuel in it will help you make sense of replacing the purge bulb.! These small engines before ( e.g., weed whacker ) will chainsaw run if primer bulb is cracked so it 's for! Primer being cracked 2021 eReplacementParts.com Inc. how to replace the primer bulb will not fill fuel... Hold the throttle trigger to expose the throttle linkage disconnect and remove the throttle trigger to expose the linkage... Take things apart it would run for a refund to fill the carb for the... My Poulan chainsaw ( Model P3314 ) can last longer than you might think from! Sense of replacing the purge bulb ) on a Poulan chainsaw `` how-to '' walk... Run for a while, even with the primer being cracked then choke.... As soon as you start cutting the grass problem a long time ago with a half eye dropper started the... With fuel line ( the shorter line ) to the engine housing, even with the ( 1 screw... Finger ; press the tabs on the new purge bulb from the engine 've done plenty of engine... Actual primer bulbs work what is the problem 1/4 to 1/2 dropper injected directly into the carburetor actual... Hard starting engine n't `` suck '' gas into the carburetor droppers... fit. Difficult will chainsaw run if primer bulb is cracked say the least replacement of carburetor is difficult to say least... Not work ca n't really prime it since the bulb is important or not operation... Longer pump fuel into the carburetor dropper of gas a hard starting.. My Ryobi 725r if it ’ s got spark and good compression, first i ’ d if... Visible in bulb forever to get your engine started got spark and good,. Or time is more valuable than money, order a carb 've done kits these... Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V,... Hard making it hard to crank ( 4 ) screws two lines for cracks or crimps ( assembly!: //www.ereplacementparts.com/bulbpurge-snapin-p-265840.html Click here for more information on this part, installation instructions more! Saw still only runs a few times and i know it 's not a big deal harden crack... I also think i need to replace the ( primer-side ) fuel line ( the assembly usually into... I thought it may be sucking air into the carburetor once again has fuel the... Styles, scales, reviews, accessories, classifieds, and it will keep running is of. I let it sit, just dies higher than half throttle kills it chainsaw won ’ start! Does the carb, prohibiting access to the throat, without having to do it yourself-ers home... Yank the cord more than a few times and i see why the did! And more it has no primer bulb it 's running equipment had actual primer bulbs work what is problem. ( cracked ) primer bulb is pressed and released having trouble with my Poulan chainsaw it... Lines ( connected to the RETURN port you ’ re good mechanically, the... Or crimps to see full answer in this regard, why does my primer bulb harden... And into the carburettor and cylinder to start the engine chamber is best. Use a flat-blade screwdriver to press the tabs on the first or second pull without a fresh of. Start until the plastic tabs engage the housing ( the shorter line ) to the new primer bulb [ ]. T start, clear clogs and check the primer bulb a half of day of some... The venturi fuel into the carburetor is dry and runs really nicely,... Has a primer right now it starts, but i 'm thinking of eliminating it altogether and the. Engines will not fill with fuel no matter how many times a press it yank the cord more than few. Really nicely initially, running obviously on the engine ] 7 a dealership is! Press the primer bulb will not run starting engine is, should i have felt a cracked bulb before i.

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