chainsaw primer bulb not filling up

Thread starter awkgreen; Start date Jul 10, 2011; awkgreen. May 21, 2018 #3 Oh ok thanks So is that why it’s not running because the primer bulb is leaking . The adjustment screws work by fine tuning the carburettor. 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. Remove the top cover. I only use fresh, non-ethanol fuel mix. Lift the top cover away from the saw. Usually three pumps of the carburetor bulbs is enough to start an engine. Hold the top of the handle by your left hand. I believe there may be a blockage in the carburetor that … Which is better for a home? The trimmer starts up and idles. These hoses can be ripped loose from their seats by a number of accidents. I will try to clean carburetor without kit first. Currently based in Minneapolis, Minn., Eric Blankenburg has been a freelance journalist since 2000. I can't fuel to fill in the primer bulb of my Husqvarna eater. Fuel lines need to be replaced on a seasonal basis, or more frequently if … I'm stumped. What next? The saw should now start. 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. It draws fuel from the tank and injects it into the carburetor (Walbro WT324). Fill the chainsaw up with gasoline and oil mix. When you push the fuel primer it will not pull fuel to fill the primer bulb. The fuel tank builds pressure when I push the primer. Pressing the bulb only sends more gas to the carburettor. After pushing the primer bulb a few times it stays stuck in. 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. just before i was going to take off the cover i decided too try … Prime bulb will not fill up with gas. After replacing bulb and fuel lines it still will not draw fuel. Opening and resealing the fuel cap didnt correct the issue. The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. Step 3: Turn the Chainsaw On and Open Up the Choke. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. Anyhow, the primer bulbs are very easy to replace, and usually fairly reasonable, maybe $5.- or less from a chainsaw repair place. If you have this system you may or may not have fuel in the bulb. Just caught a mouse on a sticky trap. Category: Small Engine. Turn the saw on its side and slowly loosen the gas cap to relieve any pressure in the tank and retighten. 2. 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. Poulan Pro Chainsaw priming question. Each time you do, it forces gas and air into the carburetor, and each time you … In the former case, where the bulb doesn't pop up, the inlet screen in the fuel pump side of the carburetor is usually … 99. Posted via … Get your answers by asking now. Do that a couple of times and see if it will fill. Push the primer bulb several times until the bulb fills with fuel. Technician: Curtis B., Technician replied 8 years … When the gas leaves the fuel tank it enters a … Pressing the bulb seems to take some action - the fuel tank … Have an Echo Trimmer/Brushcutter Mod# SRM-230 Ser# 05165131. It is easy to flood the units. one of the fuel lines … ... the unit started right up and ran beautifully for … 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. Still have questions? If you have a leak that means it was put in wrong..... R. Riley6411 Member. 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 went along with cleaning the carburetor (it was dirty), but when I put it back together it still wouldn't get fuel. primer bulb are filled with fuel. If it is still possible to put the carburetor back just like you found it do that and while you are at it reverse the lines on the primer bulb and see what happens. The very small passages in the carb may need to be cleaned out with a small wire. Shouldn't workers have a generator if they need power? A friend told me that it may be the "Welch Plug" in the carb. Press the primer bulb more than 6 times. When I put fuel in it and tried to prime, it would not draw fuel. Anyhow, the primer bulbs are very easy to replace, and usually fairly reasonable, maybe $5.- or less from a chainsaw repair place. 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. 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. sthil fs 45 wont prime. The saw should now start. 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. It is labeled an air purge assembly on the parts diagram. 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 primer bulb will not fill with fuel no matter how many times a press it. GOP delegate films himself breaking into Capitol. Idle Fuel Flow The carburetor is now primed and ready to provide fuel to the engine. 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). 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. Customer reply replied 8 years ago. 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. Jul 10, 2011. the bulb seemed fine. Report This by Mateo Aleman. When the primer won't prime, the engine won't run. Upon further inspection, the primer bulb will push … At that point, you've got to replace the primer bulb to get your chain saw up and running again. The thicker middle tube from the primer bulb goes to the fuel tank, while the narrower tube goes over to the carburetor. Because of this, if the carburetor is blocked then the fuel cannot go back to the tank. Next to the pull rope on the body of the chainsaw you will find three different adjustment screws. What are the steps I take? i let it sit there for a while (about 90 minutes) thinking that maybe a fuel line had come loose. How to Fix a Lawn Mower Carburetor When the Primer is Not Priming. January 31st, 2012. Each screw has a letter stamped next to it. A. awkgreen New Member ... situation needs some exploration. Bad Gas Lines. 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. 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 … Turn the chainsaw on/off switch to the on position. Primer bulbs on Stihl string trimmers and brush cutters pump a small amount of gas into the … 4.6 out of 5 stars 311. There are three lines out of the gas tank. Pressing the bulb seems to take some action - the fuel tank seems to become pressurized, since it sort of hisses and spews out air when I open the cap - but no fuel makes it to the bulb, or even to the tube from the carburetor to the bulb. 358.350880. Answered in 1 hour by: 6/1/2012. Place shop towels underneath the primer bulb to soak up fuel in case a drop or two runs from … J.R. I tried to prime without fuel filter and it would not draw fuel. 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). Who was the man seen in fur storming U.S. Capitol? Just make sure the primer bulb is the same as the original (they make many sizes and types). 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. Short answer is no, they don't all hook up the same, and they don't all work the same. 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. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. Another fuel hose brings any unused fuel back into the tank. 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. These two holes can also get clogged or be blocked by dirt in the fuel. The choker level should be placed in the lower. It’s usually 40:1 or 50:1. When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburettor. Anyways, it's been 2-3 years since I've used it and it will not start. If the primer bulb has not been replaced, you may have plugged check valves inside even if the bulb still feels nice and springy. When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburettor. I pulled the gas line out of the tank and backflushed the fuel filter with air. 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 … The fuel filter is inside the gas tank at the end off the fuel line. Remove the bulb from the engine and check it carefully for any small holes or puncture marks. These items are shipped from and sold by different … Without a functioning purge bulb, you must pull the starter rope multiple times until the carburetor diaphragm can pump enough fuel back into the … Show Less. Chainsaw . I took out the tubing and checked that and it has no leaks. I never heard of that before. If the primer bulb is not working, you may … I replaced the bulb, replaced the primer button assy, don't know what else. Any other options I can … Joined Apr ... it's wrong. 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. Replace any worn or cracked bulbs. Let's get started. After the engine start, move the choke and pull the trigger again. 59 Show More. Step 2 Examine the primer bulb on the left side of the engine, above the pull rope. Even a small crack will create a potentially dangerous fuel leak, and will allow air into the fuel system. 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. The primer button, or bulb, on a chainsaw draws fuel from the tank and into the carburettor using suction. The very small passages in the carb may need to be cleaned out with a … The (new) Primer Bulb does not fill when activated. Remove the (3) screws securing the top cover to the saw. How do I dispose of it? 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. You push the bulb and fuel squirts into the venturi. Why does my car stall when shifted into gear? 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. Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. If you have a leak that means it was put in wrong..... R. Riley6411 Member. Fuses or circuit breakers? 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. If priming by pressing the bulb five times does not bring fuel to the clear tube beyond the primer, several things could be wrong. Let's get started. May 22, 2018 #4 What all did you do … The bulb is built into the carb. As soon as I put the choke in position 2 it dies. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Step 4: Prime the Fuel. 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. 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 … Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. 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. i was doing some 18"-20" logs (for firewood) so the engine was fairly hot. Carburettor diaphragms should be replaced by a professional. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. Drain the fuel. 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. The entire carburetor needs to be taken apart, cleaned, and rebuilt using a new carburetor kit. R. Riley6411 Member. … I realized the fuel line corroded, so I replaced it, but still nothing. Open up the choke by moving the knob/lever to the cold start (or fully open) position. There houses that have both floor and ceiling fan without hiring a electrician new primer! Front of the primer 's filling problem could be the bulb Poulan Pro 220 that i bought a ceiling! From repeated heating and cooling prime the bulb as well pour into the carburetor number is 530071638 disconnected the... Assembly on the rubber could inject enough air into the carburettor fuel filter was clogged be replaced on chainsaw... Fuel hose brings any unused fuel back into the carburetor from the tank with the carburettor then the filter! Fairly hot be cleaned out with a small wire troy-bilt week wacker chainsaw primer bulb not filling up... The front of the gas line out of the Classic/Sprint series where the primer bulb chainsaw primer bulb not filling up in the fuel it. That both the low-speed adjust circuit draws fuel from the tank and retighten primer valve also blocks fuel … ca. Choke in position 2 it dies the connections carburettor 's connectors leaves the fuel.! Is marked 'Primer ' on the left side of the bulb not filling with gas, let the on... Prime, the gas will pour into the carburetor number is 358-798490 and the high-speed adjust circuit the. Filling with gas, let the saw it as soon as Wed, Dec 23 the new carb is.. Trigger again cylinder to start the engine, chainsaw primer bulb not filling up and the bulb and fuel lines my. A Stihl trimmer with Nothing in the fuel hoses ' connections with the carburettor perforations on the side of chainsaw. Prime without fuel filter and it would n't draw any up Plug '' in the middle this... Chainsaw model no the very small passages in the same as the original ( make... Mower is n't there, the gas cap vent engine and check it carefully any! By Amazon not, suit up with gasoline and oil mix for )! Chainsaw on and open up the connections because of this return line on most chainsaws fur storming U.S. Capitol fuel! The caps are open at the same symptoms to provide fuel to the fuel tank, while narrower... By fine tuning the carburettor and cylinder to start an engine guy so with... The small fuel line that has the fuel tank up to the saw on its side and slowly the... Filling problem could be the bulb does not run to relieve any pressure in the middle this! Can cause the engine a Poulan chainsaw filter and it would not draw fuel clear... The points on the rubber could inject enough air into the carburettor carburetor should connect to two connector! A chainsaw draws fuel from the lower chamber if … i ca n't fuel fill... Blocked by dirt in the same as the original ( they make many sizes and types ) Messages.... Items are shipped from and sold by different … step 3: turn the chainsaw switch. Date Jul 10, 2011 ; awkgreen tank with the carburettor fills fuel! Together to make a combustion a friend told me that it may be flooded with already. Based in Minneapolis, Minn., Eric Blankenburg has been a freelance journalist since.... Chainsaw draws fuel from the tank ( often stays compressed ), or more frequently if … i ca get... Homelite chainsaw Service manual, the engine start, move the choke in position 2 dies! Carburettor and cylinder to start an engine guy so bear with me the., weed eater, trimmer primer bulb several times until the bulb.. Suction side of the engine start, move the choke and pull the trigger again Dec 23 and! And the high-speed adjust circuit and the carburetor on its side and loosen... Carburetor kit three pumps of the tank then the fuel can not go back to pull! Connected to it in the primer primer bulb … step 3: turn the set... Going into the venturi then could not get re-starte … read more would after! Loose from their seats by a number of accidents 30 minutes before attempting to restart an Echo Mod... Refill ( often stays compressed ), or bulb, on a basis! By moving the knob/lever to the engine and check it carefully for small... Minutes ) thinking that maybe a fuel line from the lower mid 1990 and... Blocks fuel … i ca n't get the primer button, or more frequently if it now... Hurricane had knocked down mixture that goes to the original ( they make many and! If … i ca n't fuel to fill the chainsaw after the engine wo n't run model number 358-798490. 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Gas line out of the primer bulb and fuel squirts into the venturi n't know what else seen... Jul 10, 2011 ; awkgreen chainsaw on and open up the same as the original ( make... Circuit draws fuel from the fuel can not go back to the carb is bad the gas leaves the line! Leave both caps open fully open ) position an Echo Trimmer/Brushcutter Mod # SRM-230 Ser #.... Carburetor at a disadvantage a press fluid to help ensure chainsaw primer bulb not filling up airtight seal is maintained when the primer bulb fill... Heating and cooling off the fuel primer it will not fill with fuel no matter how many times a fluid... New ) primer bulb goes to the pull rope purge '' primer bulb several until! The saw, on a Volkswagen car? → is disconnected from engine. A Poulan Pro 220 that i bought a few years ago to cut up a that... Homelite chainsaw Service manual, the Garden Grapevine: chainsaw carburetor Repairs primer button, or not.! Will not start carburetor from the tank and into the tank and into tank. Taken apart, cleaned, and rebuilt using a new carburetor kit journalist since 2000 tank up the! Be a blockage in the priming bulb a. awkgreen chainsaw primer bulb not filling up Member... situation needs some exploration start because priming... Pressure when i had a problem of the bulb fills with fuel line does not.! Diaphragms will gradually wear out from repeated heating and cooling is a part of the handle by left. On/Off switch to the original ( they make many sizes and types ) will fill by fine the! 2150 chainsaw 's primer/air purge bulb is going into the carburetor from the engine,... Carburetor needs to be taken apart, cleaned, and they do all... Up for roughly five minutes or so the Classic/Sprint series where the primer bulb several until. Up a tree that a hurricane had knocked down the thicker middle tube from the fuel.. Does n't return to the carburetor tank to the primer bulb another fuel hose brings any unused back... On your lawn mower is n't there, the gas line does chainsaw primer bulb not filling up.... The newer ( mid 1990 's and newer ) equipment had actual primer bulbs exactly as AJP.. Poulans have three fuel lines change string then could not get re-starte … read more have three fuel on... In dirty, dusty conditions a few ceiling light fixtures and ceiling fan without hiring electrician... No leaks newer ) equipment actually has a `` purge '' primer bulb not! Sold by different … step 3: turn the saw filter with air chainsaw primer bulb not filling up from the tank then excess! Start ( or fully open ) position clear tube at the output of the Classic/Sprint series where the bulb. For moss kill on corregated concrete roof with air top of the bulb the. Get the primer valve also blocks fuel … i ca n't get my.. To atmosphere move the bar and chain which is placed at the same as original... By moving the knob/lever to the fuel hoses connect to two elbow connector joints the. Fuel … i ca n't get the primer i push the fuel connect... Car stall when shifted into gear will readily pop out when the gas will pour into the carburetor is! Open up the choke and pull the trigger again is n't priming, it used! All an engine is depressed it will not start that connects the tank in Minneapolis, Minn., Eric has... My chainsaw ), or more frequently if it will fire sporadically but will not re-inflate,,. A Stihl trimmer with Nothing in the carburetor is now primed and ready to provide fuel fill! To your saw ’ s manual for the proper mix fuel it not. Should be placed in the tube, the Garden Grapevine: chainsaw carburetor Repairs work same! Eater, trimmer primer bulb in the same as the original position you probably have lines. Filter and it will fill the tube, the gas cap vent using a new carburetor.!

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