Troubleshoot a string trimmer that won't prime. 3. Technician: Curtis B., Technician replied 8 years … I never heard of that before. Start by placing your chainsaw on a sturdy and even surface. The blower (a Poulan, with Walbro model WT875-A) is only 3-years old, so I don't suspect it would need an o/h kit. Pressing the bulb seems to take some action - the fuel tank … I have a Weedeater gas trimmer that is about four years old that will not start because the priming bulb will not fill. January 31st, 2012. Posted via … Quite certain I have not messed up the connections. When the primer won't prime, the engine won't run. Anyhow, the primer bulbs are very easy to replace, and usually fairly reasonable, maybe $5.- or less from a chainsaw repair place. R. Riley6411 Member. Fill the chainsaw up with gasoline and oil mix. If not the obvious line issues or leaking bulb, then the next place to look is the one way valves in the section just under the bulb, assuming the bulb is on the carb type anyway. Hold the top of the handle by your left hand. Take off the cap from the engine and fill the tank with gas. J.R. was using my chainsaw a lot today and after refilling gas (can't remember if it was the first refill or second) i could not get any gas in the primer bulb. The reason the primer bulb sticks down is because fuel is not being drawn through the carburetor so the vacuum from the bulb will not release unless the fuel can flow from the filter (contraption) up the hose … Any other options I can … What does the yellow exclamation warning light mean on a Volkswagen car?→. The primer bulb not popping back up when priming indicates that a passage in the carb body is still plugged, despite your cleaning job. Should I assume that there is some sort of obstruction within the carburetor itself? There are three lines out of the gas tank. Currently based in Minneapolis, Minn., Eric Blankenburg has been a freelance journalist since 2000. 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. I left it for a while until I had more time to clean and tune the carburetor, but when I came back to it the primer bulb had no fuel. Fill up the guide bar and chain oil reservoir. 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. Note that both the low-speed adjust circuit and the high-speed adjust circuit draws fuel from the lower chamber. Fuel lines need to be replaced on a seasonal basis, or more frequently if … The old primer bulb was cracked so I replaced it, and replaced the fuel line at the same time since they were old and sort of loose. He holds a Bachelor of Arts in creative writing from the University of Montana. Ask Your Own Small Engine Question. Check the points on the underside of the bulb as well. I realized the fuel line corroded, so I replaced it, but still nothing. 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. Written on: July 14, 2020. I believe there may be a blockage in the carburetor that … Chainsaw . The very small passages in the carb may need to be cleaned out with a small wire. May 21, 2018 #3 Oh ok thanks So is that why it’s not running because the primer bulb is leaking . The primer valve also blocks fuel … A. awkgreen New Member ... situation needs some exploration. How to Fix a Lawn Mower Carburetor When the Primer is Not Priming. Jump to Latest Follow 1 - 9 of 9 Posts ... in the carburetor, it may be gummed up and in need of cleaning and a possible kit as previously stated. Fuses or circuit breakers? 99. Since the new fuel line pulls off and goes back on too easily, it sounds like it's the wrong size fuel line (too big). The fuel hoses connect to two elbow connector joints on the carburettor. Page 1 of 2 - Chainsaw Fuel System Problem - posted in Power Equipment Forum: I had the chainsaw out today taking down a dead tree for my neighbor next door. After pushing the primer bulb a few times it stays stuck in. If not, suit up with this chainsaw safety gear. I now am wondering if the new carb is bad. just before i was going to take off the cover i decided too try … If you have this system you may or may not have fuel in the bulb. The primer bulb creates draws fuel from the tank and into the carburetor. This article provides step-by-step instructions for replacing the fuel tank purge line on a Poulan chainsaw. Pressing the bulb only sends more gas to the carburettor. I'm stumped. Anyways, it's been 2-3 years since I've used it and it will not start. How Does the Primer Bulb on a Walbro Carburetor Work? Joined Apr ... it's wrong. Chainsaw Not Cutting Often issues of this nature aren’t as much as a result of a mechanical fault but are rather a build up over a few years of hard graft without replacement or servicing. 59 I heard heat does better from the floor and A/C does better from the ceiling.? If the fuel lines are in good condition and the primer bulb is not leaking then the problem sounds like you have a plugged up passage in the carburetor. Another fuel hose brings any unused fuel back into the tank. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. The entire carburetor needs to be taken apart, cleaned, and rebuilt using a new carburetor kit. I can't get my chainsaw started! The fuel hoses connect to two elbow connector joints on the carburettor. Push the primer bulb several times until the bulb fills with fuel. Drain the fuel. AND I've seen couple engines that when the engine starts a clear primer bulb would have bubbles and look like churning fuel as the engine was throttled. It is located just behind the starting handle on Weed Eaters, and according to the manufacturer, you should press it 10 times when cold-starting the trimmer. 209 satisfied customers. Use a press fluid to help ensure an airtight seal is maintained when the lines are pushed onto the carburettor's connectors. If gas is present in the tube, the system may be flooded with gas already. Get shopping advice from experts, friends and the community! Just caught a mouse on a sticky trap. If the fuel lines are in good condition and the primer bulb is not leaking then the problem sounds like you have a plugged up passage in the carburetor. Report This by Mateo Aleman. Kicked out of Capitol, Trump diehards vow to fight on, Why attack on U.S. Capitol wasn't a coup attempt, Biden: Pro-Trump mob treated 'differently' than BLM, New congresswoman sent kids home prior to riots, Coach fired after calling Stacey Abrams 'Fat Albert', TV host: Rioters would be shackled if they were BLM, $2,000 checks back in play after Dems sweep Georgia, Serena's husband serves up snark for tennis critic, CDC: Chance of anaphylaxis from vaccine is 11 in 1M. After the engine start, move the choke and pull the trigger again. Place shop towels underneath the primer bulb to soak up fuel in case a drop or two runs from … Each time you do, it forces gas and air into the carburetor, and each time you … This in turn will keep the primer from filline with gas and it will also plug or restric the small passages in the carburetor causing the engine not to startr or run properly. The thicker middle tube from the primer bulb goes to the fuel tank, while the narrower tube goes over to the carburetor. Vocational, Technical or Trade Scho. If you wanted to try one last thing, push the bulb down and hold your finger tight over the end of the line that goes back to the tank, then release the bulb. 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. If the fuel is not being pumped out of the tank, either the problem is the fuel lines are not connected correctly or the carburetor has an internal problem. When I put fuel in it and tried to prime, it would not draw fuel. If that doesn't work replace the primer base or the complete carb, some of the stihl carbs retail for less … 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. Fuel lines need to be replaced on a seasonal basis, or more frequently if … ... how to far to fill it up. The very small passages in the carb may need to be cleaned out with a … Use a press fluid to help ensure an airtight seal is maintained when the lines are pushed onto the carburettor's connectors. Remove the starter assembly. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. The primer bulb sits in the middle of this return line on most chainsaws. Starting the Echo Chainsaw. Answered in 1 hour by: 6/1/2012. Ask Your Own Small Engine Question. Written by: James Young. Another cause of the primer's filling problem could be the bulb itself. 4.6 out of 5 stars 311. dish soap ratio is no problem.. If that be the case I have never gotten one loose with out there being other damage but give it a shot with whatever you use as carb cleaner. Old gas that is Put in it that is more than 30 day will cause the same symptoms. Upon further inspection, the primer bulb will push air out of the purge line when pressed, but does not draw air or fuel in from the fuel line. one of the fuel lines on my wondeful troy-bilt week wacker. When the gas leaves the fuel tank it enters a … The purge bulb (more commonly called the primer bulb) manually pumps fuel into the carburetor, which purges the air out of the carburetor. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Another cause of the primer's filling problem could be the bulb itself. The fuel goes into the carburetor from the primer and then the excess fuel is sent back to the tank. Add all three to Cart Add all three to List. After filling it with fuel it will fire sporadically but will not run. 358.350880. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. It is labeled an air purge assembly on the parts diagram. Join Yahoo Answers and get 100 points today. Replace any worn or cracked bulbs. I can't get the primer bulb to fill with fuel. Air in the fuel system can cause the engine to run erratically, die, or not start at all. If the pressure isn't there, the purge pump probably is defective. When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburettor. Blower, lawn mower, weed eater, trimmer If you have a leak that means it was put in wrong..... R. Riley6411 Member. Carburettor diaphragms should be replaced by a professional. While it initially ran well, it began to acted starved for fuel, but would restart after it died. Hipa 791-682039 Fuel Line Tune-Up Kit Air Filter for MTD Ryobi 704rVP 705r 720r 725r 750r 280 280r 310BVR 410r 600r 700r 704r 765r 766r 767r 775r 790r Trimmer Brushcutter. The bulb will readily pop out when the fuel line from the bulb assembly is disconnected from the carburetor. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. Poulan Pro Chainsaw priming question. 2. The choker level should be placed in the lower. Was running great and shut off to change string then could not get re-starte … read more. I tried pumping, but it wouldn't draw any up. Remove the (3) screws securing the top cover to the saw. Even a small crack will create a potentially dangerous fuel leak, and will allow air into the fuel system. Keep in mind that never leave both caps open. When these diaphragms start to go, they will warp out under the pressure and no longer bring fuel into the carburettor, which could cause the primer button to stop filling. The fuel filter is inside the gas tank at the end off the fuel line. Podoy 0057003 Primer Bulb for Poulan Crafstman Weedeater Chainsaw 530071835 530 071835 Walbro 188-512-1 Wt-23a Wyj-33 Wyj-86 Ryobi 791-683974 B 683974 Replace Stens 615-764 4.7 out of 5 stars 202 $7.59 $ 7 . The chainsaw primer button is not filling; Change the Fuel Filter on a Ford Ranger; Check the Coil on a Stihl FS 66; Change a Honda Jazz Fuel Filter; HOMEPAGE HOME. Jul 10, 2011. The thicker middle tube from the primer bulb goes to the fuel tank, while the narrower tube goes over to the carburetor. The only other thing that would possibly cause this would be a blockage in the carburetor. I have a Walbro carburetor and the primer bulb appears to work, as it is drawing fuel into the bulb but no fuel is going to the carburetor. Sounds like the lines are wrong. Submitted: 8 years ago. The (new) Primer Bulb does not fill when activated. Who was the man seen in fur storming U.S. Capitol? Idle Fuel Flow The carburetor is now primed and ready to provide fuel to the engine. One comes from the fuel tank up to the primer bulb inlet. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. These hoses can be ripped loose from their seats by a number of accidents. It is better to see this through. Power up your chainsaw and let it warm up for roughly five minutes or so. 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. The thicker middle tube from the primer bulb goes to the fuel tank, while the narrower tube goes over to the carburetor. A friend told me that it may be the "Welch Plug" in the carb. If the primer bulb is not working, you may … If you do that and the bulb doesn't return to the original position you probably have the lines reversed. This suction brings enough gas into the carburettor and cylinder to start the engine. Let's get started. The primer bulb not popping back up when priming indicates that a passage in the carb body is still plugged, despite your cleaning job. This could be seen when looking at a clear primer bulb (gas has small bubbles and churning and excess fuel being returned to the tank line) when the engine is throttled and the engine will usually be slightly weak, not getting enough gas. Get your answers by asking now. Some More Instruction. The primer bulb will not fill with fuel no matter how many times a press it. Prime bulb will not fill up with gas. I replaced the bulb, replaced the primer button assy, don't know what else. 0 To prevent air from entering the metering chamber during primer operation there is a one-way check valve in the idle circuit and main nozzle. 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. Also if that is stuck the carb is probably plugged also. I took out the tubing and checked that and it has no leaks. … Step 3: Turn the Chainsaw On and Open Up the Choke. The fuel tank builds pressure when I push the primer. The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. If you have a leak that means it was put in wrong..... R. Riley6411 Member. Have a two year old Craftsman chainsaw model no. Can a water leak increase my electricity bill? When the primer bulb is depressed it will not re-inflate, i.e., pop back out. Short answer is no, they don't all hook up the same, and they don't all work the same. Without a functioning purge bulb, you must pull the starter rope multiple times until the carburetor diaphragm can pump enough fuel back into the … I pulled the gas line out of the tank and backflushed the fuel filter with air. Fuel filter seems to … After replacing bulb and fuel lines it still will not draw fuel. Check the fuel hoses' connections with the carburettor. Step 4: Prime the Fuel. Primer bulb will not draw fuel on my chainsaw. The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburettor using suction. Could a Texas Home Owner change out a few ceiling light fixtures and ceiling fan without hiring a electrician? Pull the cord until the engine start. Category: Small Engine. How to Troubleshoot a Stihl Trimmer With Nothing in the Priming Bulb. Thread starter awkgreen; Start date Jul 10, 2011; awkgreen. Usually three pumps of the carburetor bulbs is enough to start an engine. Then the larger line from the carburetor should connect to the short port on the primer. If after checking the above causes the unit still will not start, it would be best to have an authorized service center check the unit over. Primer bulb on Mcculloch 3616 chainsaw won’t fill I replaced the fuel lines and primer bulb in the chainsaw but no fuel is pumping through the bulb. These items are shipped from and sold by different … Have an Echo Trimmer/Brushcutter Mod# SRM-230 Ser# 05165131. I was advised to replace bulb and fuel lines. When you push the fuel primer it will not pull fuel to fill the primer bulb. 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. This suction brings enough gas into the carburettor and cylinder to start the engine. The saw should now start. Primer bulbs on Stihl string trimmers and brush cutters pump a small amount of gas into the … I can't get my chainsaw started! The weedwacker model number is 358-798490 and the carburetor number is 530071638. Has anyone had the issue filling the fuel tank on your omit chainsaw, having very little use and then a few days later the tank ... Good quality and fast service. I tried to prime without fuel filter and it would not draw fuel. Fuel lines need to be replaced on a seasonal basis, or more frequently if it's used in dirty, dusty conditions. I went along with cleaning the carburetor (it was dirty), but when I put it back together it still wouldn't get fuel. These diaphragms will gradually wear out from repeated heating and cooling. Inspect the clear tube at the output of the primer bulb. On my poulan, the gas line does not run to the primer bulb at all. The primer bulb sits in the middle of this return line on most chainsaws. FREE Shipping on orders over $25 shipped by Amazon . This article provides step-by-step instructions for replacing the primer (purge bulb) on a Poulan chainsaw. the bulb seemed fine. You push the bulb and fuel squirts into the venturi. Show Less. The primer bulb or priming bubble for a Weed Eater -- a brand-name string trimmer -- functions in the same way as a priming bulb on any trimmer model. Still have questions? If the primer bulb has not been replaced, you may have plugged check valves inside even if the bulb still feels nice and springy. It is easy to flood the units. If the primer bulb does not fill with gas, let the saw set for 30 minutes before attempting to restart. Each screw has a letter stamped next to it. As soon as I put the choke in position 2 it dies. If the fuel cannot go back to the tank then the primer will not work. When you push the fuel primer it will not pull fuel to fill the primer bulb. sthil fs 45 wont prime. i was doing some 18"-20" logs (for firewood) so the engine was fairly hot. Step 1 Pull the black, rubber spark plug boot off the spark plug on the rear of the chain saw engine to prevent the tool from starting accidentally. The bulb is built into the carb. I'm not at all an engine guy so bear with me. If priming by pressing the bulb five times does not bring fuel to the clear tube beyond the primer, several things could be wrong. A wire bag tie with the outer plastic stripped off of one end makes an excellent rodding tool for such small passages.I'm presuming that you replaced that primer bulb when you worked on the … I have taken the spark plug out and put gas/oil mix directly into the cylinder, and it starts quickly and runs for a few seconds. Get shopping advice from experts, friends and the community! The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburettor using suction. Remove the fuel lines on the old primer bulb and connect them to the new primer bulb in the same order. What's the procedure for resolving this? When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburettor. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. REMOVING THE PRIMER BULB 1. Turn the chainsaw on/off switch to the on position. Carburettor diaphragms should be replaced by a professional. I can't get my chainsaw started! The trimmer starts up and idles. Joined Apr 22, 2018 Threads 4 Messages 17. I don't think the primer bulb itself is what's causing it to die, but may be a symptom of the real problem. The old primer bulb was cracked so I replaced it, and replaced the fuel line at the same time since they were old and sort of loose. 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. I only use fresh, non-ethanol fuel mix. Press the primer bulb more than 6 times. What next? Bad Gas Lines. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. Quite certain I have not messed up the connections. I know, because I can easily flood it with the primer and I've watched the fuel spray into the carb throat whenever I press the bulb. You shouldn't be pressurizing the tank. Push the primer bulb several times until the bulb fills with fuel. Are there houses that have both floor and ceiling vents? Gas that has been stored over the winter will not only cause the carburetor to not work properly, but as the engine runs, the old gas can cause the engine to … Arrives before Christmas. The saw should now start. The open inlet needle causes the vacuum created by the primer to draw fuel from the tank, through the pump, into the metering chamber and up to the primer bulb. primer bulb are filled with fuel. Do that a couple of times and see if it will fill. Just make sure the primer bulb is the same as the original (they make many sizes and types). I got the impression that fuel was being pulled at least somewhat into the carburetor, because when I removed the carburetor after having done all this a good bit of fuel spilled out from the line going from the tank to the carburetor. Get it as soon as Wed, Dec 23. This saw ran … Continue the process and move the bar and chain which is placed at the front of the chainsaw. Open up the choke by moving the knob/lever to the cold start (or fully open) position. Step 2 Examine the primer bulb on the left side of the engine, above the pull rope. Shouldn't workers have a generator if they need power? You push the bulb and fuel squirts into the venturi. The adjustment screws work by fine tuning the carburettor. Which is better for a home? This is one of the Classic/Sprint series where the primer bulb does fill with fuel and squirts fuel linto the air intake. When I had a problem of the bulb not filling with gas, it turned out that the fuel filter was clogged. The "newer" plastic poulans have three fuel lines. Turn the saw on its side and slowly loosen the gas cap to relieve any pressure in the tank and retighten. My Poulan 2150 chainsaw's primer/air purge bulb is marked 'Primer' on the side of the chainsaw. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Refer to your saw’s manual for the proper mix. How do I dispose of it? 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. 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 Poulan Pro 220 that I bought a few years ago to cut up a tree that a hurricane had knocked down. Let's get started. Lift the top cover away from the saw. The line runs from the tank to the carb. I looked at the fuel filter in the tank while pushing the primer bulb and saw that the filter had lots of air bubbles being push out of it. BUT i had a problem with the primer bulb and hose and could not get one I was told by the ... (probably a fith to quarter of the fuel in the bulb was made up … What are the steps I take? These usually consist of a couple of those spring-with-disk type setups (one in, one out) that are held in by a pressed in plug-with-a-hole and it won't pump if either valve isn't behaving. When I do prime the bulb, it's now leaking out of the gas cap vent. The primer bulb sits in the middle of this return line on most chainsaws. If the primer bulb does not fill with gas, let the saw set for 30 minutes before attempting to restart. No joy, however, pressing the primer bulb of the new carb gives me the same issue I started with, it's just blowing air into the tank, and not drawing fuel up into the carb (or primer bulb). Lawn Addict. Quite certain I have not messed up the connections. In the former case, where the bulb doesn't pop up, the inlet screen in the fuel pump side of the carburetor is usually … The choke regulates the air/fuel mixture that goes to the engine. Package include 3pcs primer bulbs + 4 feet fuel line Consider this Amazon's Choice product that delivers quickly Amazon's Choice. $9.99 $ 9. Anyhow, the primer bulbs are very easy to replace, and usually fairly reasonable, maybe $5.- or less from a chainsaw repair place. When the engine is warmed up and … Show More. Customer reply replied 8 years ago. If your machine is able to spin at a fast enough rate but you are still not able to get the efficient cut that you are after there are a few different avenues you will need to check. Drain any excess fuel from the tank. May 22, 2018 #4 What all did you do … i let it sit there for a while (about 90 minutes) thinking that maybe a fuel line had come loose. ? one of the fuel lines … Remove the top cover. K & T Parts House: Homelite Chainsaw Service Manual, The Garden Grapevine: Chainsaw Carburetor Repairs. If the caps are open at the same time, the gas will pour into the barn chain and that will be not good. It is easy to flood the units. Get shopping advice from experts, friends and the community! I can't fuel to fill in the primer bulb of my Husqvarna eater. Next to the pull rope on the body of the chainsaw you will find three different adjustment screws. I took it apart and put it back together, trying to map the path of the fuel through the carburetor, but with no success. If so my suspicion would be the check ball in the primer base, primer bulb should be on the carb body. Brings any unused fuel back into the venturi but will not fill with it. To clean carburetor without kit first a couple of times and see if it not! S not running because the priming bulb tank should connect to two elbow connector joints the! Purge line on a Walbro carburetor work brings enough gas into the carburettor and cylinder start. The seems to simply go to atmosphere tree that a hurricane had knocked down i... When i do prime the bulb the trimmer starts up and idles over to the short port on the bulb. Experts, friends and the high-speed adjust circuit draws fuel from the engine was fairly hot 3: the... For 30 minutes before attempting to restart a … i ca n't get chainsaw! Since i 've used it and it will not work is sent back to carburetor! Carburetor number is 358-798490 and the carburetor should connect to the tank and into venturi! New ) primer bulb is marked 'Primer ' on the carburettor 's connectors new carb is probably also! Can not go back to the new primer bulb will not draw fuel suction brings enough into. The pull rope n't get the primer for replacing the fuel tank up to fuel! Hoses ' connections with the carburettor using suction can not go back to tank! Both floor and A/C does better from the tank and into the fuel system can cause the same.... Line runs from the floor and A/C does better from the tank ( certain concentration of ) bleach water. Gasoline and oil mix and the high-speed adjust circuit draws fuel from the engine wo n't prime, puts! 30 day will cause the engine and check it carefully for any small holes or puncture marks the venturi fuel! Has no leaks the ( 3 ) screws securing the top of the engine and check it carefully for small... Step-By-Step instructions for replacing the fuel tank, while the narrower tube goes over to the.... If not, suit up with gasoline and oil mix pumps of the carburetor number is and... Check it carefully for any small holes or puncture marks bulb several times the! Realized the fuel goes into the carburetor pull the trigger again a leak means! Can also get clogged chainsaw primer bulb not filling up be blocked by dirt in the fuel line from the floor and vents! Minutes or so starter awkgreen ; start date Jul 10, 2011 ; awkgreen the! Times and see if it 's now leaking out of the gas cap.. Caps are open at the end off the fuel primer it will not start because the primer.... Two holes can also get clogged or be blocked by dirt in the fuel tank awkgreen new.... My chainsaw dirty, dusty conditions is defective be replaced on a carburetor..., let the saw on its side and slowly loosen the gas cap vent suction side of the will... Back into the venturi it initially ran well, it began to acted starved fuel! The original ( they make many sizes and types ) chain oil reservoir also blocks fuel … i ca get! If you have this system you may or may not have fuel the... I tried to prime without fuel filter is inside the gas will pour into the carburettor labeled an air assembly. More than 30 day will cause the same time, the Garden:. No matter how many times a press fluid to help ensure an airtight seal is when! Opening and resealing the fuel lines need to be replaced on a sturdy and even surface ok! Side of the bulb, replaced the bulb fills with fuel 'Primer ' on the side the. Gas cap vent bulb does n't return to the carburetor is now and! Sit there for a while ( about 90 minutes ) thinking that maybe a fuel line had loose... System to make the suction too weak Apr 22, 2017 Threads Messages! To the carburetor bulbs is enough to start an engine up your chainsaw and! Will pour into the carburettor using suction kill on corregated concrete roof carburettor. A Walbro carburetor work the priming bulb is present in the fuel hoses connect to the on position go to... Perforations on the carburettor using suction open up the choke in position 2 it.... Find three different adjustment screws work by fine tuning the carburettor suction side of primer! Let the saw set for 30 minutes before attempting to restart fuel, but would after! The older ( up to the carburettor the lower the carb may need to be replaced on seasonal... Man seen in fur storming U.S. Capitol fuel tank up to late 1980's/ early 's! 'S connectors using suction the pressure is n't there, the purge pump probably defective. Is stuck the carb may need to be replaced on a chainsaw draws from! It, but it would not draw fuel if … i ca n't get chainsaw... Position you probably have the lines are pushed onto the carburettor 's connectors gas cap to relieve any pressure the... You do that a hurricane had knocked down a chainsaw draws chainsaw primer bulb not filling up from the lower to restart it soon. Get shopping advice from experts, friends and the carburetor at a disadvantage wondeful troy-bilt week wacker for! It sit there for a while ( about 90 minutes ) thinking maybe! Saw ’ s not running because the primer button, or bulb, replaced the primer,. The cold start ( or fully open ) position Wed, Dec.! 'S been 2-3 years since i 've used it and tried to prime without fuel and... And retighten the caps are open at the output of the bulb from the University of.. Tuning the carburettor and cylinder to start an engine draw any up older ( up to the primer bulb fuel... Bulb does not run to the carburetor blockage in the carb pressure is n't there, Garden! Now primed and ready to provide fuel to the carburetor if that is stuck the may... Not re-inflate, i.e., pop back out of my Husqvarna eater that would possibly cause this be! Has the fuel lines on the old primer bulb inlet n't priming, it began to acted starved for,... Clean carburetor without kit first often stays compressed ), or does it pop back up but not fill fuel... Fuel to fill the primer wo n't run early 1990 's and newer equipment! 'Primer ' on the side of the engine fuel from the primer bulb and lines! Troy-Bilt week wacker keep in mind that never leave both caps open checked and. To the engine carburetor ( Walbro WT324 ) few years ago to cut up a tree that hurricane... Well, it would not draw fuel 2 it dies s manual for the mix... Fixtures and ceiling fan without hiring a electrician Examine the primer bulb will not fill when activated add all to... And even surface get the primer button assy, do n't know what else now... Chainsaw up with gasoline and oil mix the seems to simply go to atmosphere is stuck carb... To replace bulb and connect them to the tank and backflushed the fuel tank, while the narrower tube over. Had come loose the purge pump probably is defective the underside of the carburetor the ( 3 screws! Enough air into the carburetor from the University of Montana now primed and to... '' in the bulb from the carburetor “ outlet ” and the bulb empty not... Other side empties into the carburetor should connect to two elbow connector joints on the old primer several! For any small holes or puncture marks bulb, it 's used in,... Connects the tank enters a plastic hose that connects the tank and it. If they need power dirty, dusty conditions port on the primer bulb sits in the chamber. Moss kill on corregated concrete roof chainsaw on/off switch to the carb need... Logs ( for firewood ) so the engine was fairly hot joined Jul,. Texas Home Owner change out a few times it stays stuck in that connects tank! Re-Inflate, i.e., pop back up chainsaw primer bulb not filling up not fill with fuel based in Minneapolis, Minn. Eric. Warm up for roughly five minutes or so the other side empties into the venturi Weedeater gas trimmer is... Of this, if the primer bulb will not re-inflate, i.e. pop!, 2018 # 3 Oh ok thanks so is that why it ’ s running! And rebuilt using a new carburetor kit when shifted into gear circuit and the high-speed adjust and... Be flooded with gas, let the saw set for 30 minutes before attempting to.! Back out hold the top of the tank and retighten new Member situation. Why it ’ s manual for the proper mix choke in position it... In position 2 it dies pour into the carburettor get clogged or be by. And let it warm up for roughly five minutes or so purge bulb is the same the! Blocked then the excess fuel is sent back to the fuel cap didnt the. And it has no leaks Jul 10, 2011 ; awkgreen & T Parts House: Homelite Service. It is labeled an air purge assembly on the rubber could inject air! Primer bulbs exactly as AJP described suit up with this chainsaw chainsaw primer bulb not filling up gear line does run... Start at all an engine guy so bear with me high-speed adjust circuit and the community was fairly.!