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

Golden Pearl Cream Original Vs Fake, Glossy Vs Matte Stickers, Cipher Pronunciation In English, Aws Forecast Charges, 100w Equivalent Led Bulbs,

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