As well as its plate as there could be a build-up of dirt underneath it. suggestions. This could also be due to switched or deteriorated fuel lines. Itll also return to its original position even if you cover the end of the suction side. The primer bulb its a small piece of kit but it serves a really important purpose. Note: If none of the tips above work, you might have a bigger issue. Step 3: Check for Bad Fuel. 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. He bought it, used it on a project, put it in a box to move to next project, managed to lose it for several years, then couldn't get it to run--even fire, so for $15, I bought it as a project. air filter was cleaned out before starting my sawing a few days ago. I've had new primers with bad check valves straight out of the package. A plugged fuel filter can do the same. 7 helpful tips that you can do at home to fix this problem. Online Shop - Product Categories. ), Cut a piece of it about 2 x 2 in size. (Normally, bulbs will only fit one way for security. While the other one must be on the discharge side to return excess fuel. (This is enough for most 2-cycle engines.). Husqvarna 350 chainsaw easy diy compression test and fuel leak fix. But we sell a fuel tank full of them. Try our new 'Online Shop' button! To help yourself, you may note down the dismantling process and chalk the reassembling strategy in a reverse way in a paper to help you remember each process vividly without missing any step. Detach the cover of your equipment first (if needed). Hunker may earn compensation through affiliate links in this story. Reduced price. I'll be doing a full day with it again tomorrow so I'll keep my eye on it. 25% more rivets than any of the other leading brands. Hello: own a 5 yr. old husqvarner 125B leaf blower, primer bulb stays depressed, changed bulb,lines,filter, still stays depressed, runs on starter fluid, . I went to start my mower and it just started making a really loud buzzing sound. Hey everyone!This video shows a step by step "how to" fix a gas string trimmer purge (primer) bulb that won't fill up with fuel.This fix will work on your we. When it's not working, however, the bulb may refuse to pop back out after you depress it. Could the primer hose have fallen off if there is in fact one? Most what I would call, high end, saws do not have primer/purge bulbs. Now go to the primer bulb side and remove the cover plate and bulb. Depending on the type of equipment youre using. Using a socket and ratchet (or as needed), remove the bowl nut. Everything worked as it should before I put it away. Hi I have a Husqvarna 236 which is only a few weeks old but has done a fair bit of work in those few weeks. Next, the remedy above is only short-term. Husqvarna Primer Bulbs: Jack's is your Place! The carburetor in most chainsaws will use a set of diaphragms to help pull fuel into the carburetor, mix and measure it and send it off to the cylinder. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Now, when your primer bulb has filled up the gas, turn on the engine, and lets get started! Check the points on the underside of the bulb as well. . Your email address will not be published. It can be difficult to see on that model without loosening some screws. Fuel line has a bit of play in it which causes this problem. As a rule, it's a good idea to replace the primer bulb and the fuel lines at the same time when you have the primer bulb assembly dismantled. Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. home improvement and repair website. What might be wrong? And its to load fuel into the carburetor for combustion. If theres an air leak in your hose after the inspection, theres no other way but to change it with a new one. Air Filter Fuel Line Filter Primer Bulb HUSQVARNA 123L 322L 325L 123C 326 322C. New Primer Bulb: Between $2 and $3. The cycle or stroke refers to the full rotation of the crankshaft due to the pistons. But if you have a broken or cracked one, heres an easy short-term solution that you can do: Note: This is only temporary so the seal wont last long. Use a can of carb cleaner sprayed into the breather/filter assembly. Diagnose first before replacing any parts. Of course, it is always worth checking to see if this is definitely the cause. (The cleaner and dirt might get into your eyes while brushing the parts.). So this can get dirty and clogged in the long run. Copyright 2022 Arbtalk It sounds like the bulb is pulling against a vacuum, so there is a restriction in the fuel path from the tank to the carb. AU $31.59 postage. Pressing the primer a few times before starting will deliver the fuel. $6.43. But you may also find some on Amazon. The line with the filter possibly isnt submerged under the fuel in the tank either. Check the Primer Bulb for Holes. Sold by Pantano Power Equipment LLC and ships from Amazon Fulfillment. Push the carburettor a little away from the engine; the dismantling of the carburettor has to be done. I would suggest removing the inlet screen in the carb body, probably packed with dirt. What if a Lawn Mower Primer Bulb Doesn't Fill? The purge bulb works by drawing fuel through the fuel filter, fuel line and carburetor. Primer bulb not filling. First, have you changed your fuel lines recently? Then, spray a generous amount of cleaner to the carb. This means that the carb was not getting fuel and the trimmer wouldn't start.Watch as I go through all of the steps and explain everything as I make the fix.It works great now!Cheers,Dave LOL! It's easy! The first thing I would check is the fuel line, they are prone to cracking, once that happens it will start sucking air and not get enough gas. Since primer bulbs and tubes are both made of flexible plastic or rubber, they will eventually harden, crack and deteriorate over time. There may be two cases for you to probe and look for fixing without much trouble; one is if the carburettor is drained of fuel. When the gas leaves the fuel tank it enters a plastic hose that connects the tank with the carburetor. However there is no sign of fuel leaking out from it. How To Install A Purge / Primer Bulb Properly. Primer bulb not filling. Manage Settings The next step the workshop suggested was to fit a new carb, but to be honest . gwa000 if you give us the model number of your saw it would help . An example of data being processed may be a unique identifier stored in a cookie. Thus, the primer bulb is a purge bulb, too. View our Privacy Policy here. You can do your woodwork all at home without much headache. Chainsaw Won't Start Or Restart. Detect the intake and the return ports of the primer bulb. The Fora platform includes forum software by XenForo. This particular problem doesnt require you to have much, except for a willingness to learn and give it a go. If the primer bulb doesn't go back to its original state, your lines are probably switched. The Stihl 461 had some issues as well. Select tubing that's the same diameter as the tubing that's already on the lawn mower. Had to just let the noise happen until it died down. Thankfully, cleaning the housing is a cinch. there is a fuel pump in the carb operated by pulses from the crank case, the diaphragm in it can can go bad also. I have a John Deere/Home Depot/Scotts (they did a combined thing) that I bought about 12 years ago. Reattach all the small parts one by one. Put the bulb and retainer back to the engine. (provided the carb kit is in good shape).I put a brand new carburetor kit in this Stihl FS38 last fall and tested it out. The saw has also been fully pressure & vacuum and compression tested. Repairing it from a mechanic will cost you time and money. Stihl is having a huge problem with check valves lately and carburetor replacement is the only option. Then, finally, the returning cable should be connected to the return port of the carburettor. If you want to see a more detailed tutorial, check out this video: Note: Use soft brushes to avoid scratches. Why? Unscrew it and remove the base. (Remove the primer bulb first, if its clipped, unclip it. Alternatively, this can also be brought on if the intake line is the wrong size. The broken fuel lines disconnect the fuel tank from the primer bulb port.To resume its functionality, remove the primer bulb port along with the fuel lines, clean the fuel tank thoroughly, let all the debris shed off by keeping the chainsaw aside. Sounds more like an intermittent nozzle check valve failure or the purger bulb itself, or even a loose Welch plug. But again, remember their placement. BTW, primer circuit (and other) check valves are NOT included in a carb rebuild kit. would this crudded up check valve only cause a problem (i.e. Only 20 left in stock - order soon. General information - My two stroke equipment starts and dies, why? Priming begins with air pressure caused by pushing air out of the primer bulb into the fuel tank. to this site, and use it for non-commercial use subject to our terms of use. And this might be the reason why youre not getting gas in your primer bulb. 4 PACK oem HUSQVARNA Primer Bulb Pump 503936601 450 455 CS2250 2255 US Seller. Updated 06/02/2015 02:45 PM. Please have a look around, sign up, share and contribute the best you have. I have just replaced the primer bulb and the area around the bulb is leaking and the bulb is not filling while the mower runs. Is there a hose that goes in the tank for the primer bulb? There might be small rubber seats at the bottom. Now, if you have a float-type carburetor, you need to remove the rubber needle seat first. yes,you need to take the fuel line off the ball so you can put your finger on the engine end of the ball,the side the arrow points to,do it til you get a good shot of gas out,be careful,you can use a small length of hose to do whatever works and is safe,as mentioned by many already,some of . Follow the reverse steps you have dismantled. Use compressed air to blow out all the fuel and air passages. Undoubtedly, primer bulbs require consistent upkeep, for it is highly prone to wear and tear. Today I remembered how much I dislike working on chainsaws--trimmers have carb sticking out on side, saws have the carb up in very tight almost enclosed, need tiny hands sorta areas!!! As you have already found out the saw will run fine WITHOUT it! Also, be careful when blowing out the passages. The bulb is in fact a purge bulb rather than a primer. Depending on age of the saw, you may want to replace the entire carburetor. But if its the latter, it needs to be changed. If the purge bulb will not compress check the lines as they are likely connected backwards, if the bulb will not come back out check the fuel filter, fuel line, and carburetor for restrictions. If not, it might be the case that the lines are all reversed. Loose nuts on both sides and take off the cover.You may see a broken fuel line there (the most common problem).The fuel line goes into the fuel tank through the fuel filter, so its quite an important element in completing the priming cycle, you see. These diaphragms will gradually wear out from repeated heating and cooling. Usually a gasket or diaphragm gets damaged during carburetor dis-assembly so have a kit ready to go if you open the carburetor. Theyll try tinkering with it, but, more often than not, they wont get the result they are looking for. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. Cracked Primer Bulb Can Begin to Leak Fuel. By creating an account you agree to the Hunker, 4 Common Reasons Why Your String Trimmer Won't Prime. Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel . submitted to our "DoItYourself.com Community Forums". So, inspect all your connections to see if there are any loose lines. With a bit of luck, the bulb should draw fuel pretty soon. I'm a lady. This cracking usually happens in the section between the tank and the carburetor. Re: Husqvarna 55 Rancher - Starts, doesn't run. This bar has a grease point at the sprocket. I test purge bulbs using the same concept as that suction device found in snake bit kits. https://amzn.to/3bnXjmATygon Fuel Line. (If not, skip this tip.). Husqvarna Primer Bulbs. There will be two fuel lines. #12. Detach the primer bulb plate by removing its screws. While youre at it, make sure to also clean the bulbs interior using a soft piece of fabric. (Gently squeeze the 2 tabs that hold it in place to do this. Do this to avoid the reversal of lines. Posted on Published: February 8, 2022- Last updated: November 26, 2022, 9 Sneaky Ways To Make Alexa Swear In Seconds (2023 How-To), 5 Easy Ways To Install 3rd Party Apps On Samsung Smart TV. Product support - My two stroke equipment runs approximately 15 seconds and dies. So think of it as a gate that only allows either entry or exit of p. Now, like the other parts, a check valve can also be clogged or damaged. Did nothing happen? Then pushes the fuel out the return lineinto the tank. I don't condone parts replacement for the sake of parts replacement. Ok MowerMedic, I think you win the prize! The primer bulb has to be removed from the carburettor. Put back the assembled fuel lines with the primer bulb to the engine holder. If the purge bulb will not compress check the lines as they are likely connected backwards, if the bulb will not come back out check the fuel filter, fuel line, and carburetor for restrictions. Get it as soon as Tuesday, Mar 7. After that, just release the bulb again. But if your fuel hoses are old, its possible that theyre already damaged. Take off the other parts as well. Required fields are marked *. The primer on a two-stroke engine is used for filling the fuel lines and sucking fuel up into the carburetor. Press the primer bulb multiple times, and see if it fills up the gas. Soleil 15" .325 1.5mm 64 Drive Link Guide bar for Husqvarna: 158SLBK095 Remove the bulb from the engine and check it carefully for any small holes or puncture marks. Any ideas what usually happens inside when this sort of thing happens? All rights reserved. The inlet screen looked like it was covered with a "power fine" gray sludge. Lightweight guide bar. And I do appreciate your knowledge and willingness to share--and while we are taking about this--what do you think causes the screen blockage? I may have to go back to my old electric chainsaw until it is fixed. Note: When replacing your lines, do the previous test that I discussed earlier. If the bulb seems to work normally but will not cycle fuel this is most likely an indication of either no fuel in the tank or a hole in the line. Its the L17.542, I have a new Troy Bilt weed eater TB625 EC (only used 10 times or so only a few months old) the pull rope pulls and retracts but does not turn the motor. So when you are pushing on the bulb you are trying to push liquid (or what ever is in the bulb) back into the tank. Check you are not trapping the fuel line when putting the cover back on, noticed myself doing that with the Husky 240 which I think is similar design. First, you have to buy a carburetor cleaner. This is to detach the fuel bowl from the carburetor body. Sometimes, all our equipment need is a thorough cleaning. If it does return to original position, then the check valve is messed up and the primer isn't pumping anything, it's just pushing in and out. You can buy a new fuel line with the right fit based on the model youre using. The function of primer bulbs is to fill the carburetor with some amount of gas which helps start the engine. FYI, also tried with no filter! My 372 and 395 do not either. After that, just release the bulb again. Also, to insert the lines easier, cut their ends at a sharp angle. RussellS, Reattach the throttle cable to your carburetor. Chainsaw not getting gas is one of the most common problems chainsaw owners face. Pull off the old lines, hold them against the coil of new line and cut the new line to the same length . Remove the bulb from the engine and check it carefully for any small holes or puncture marks. How do you adjust the idle on a Husqvarna 125B blower? can cause a chainsaw to bog down when cutting. By 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. Brought on if the primer bulb to the full rotation of the primer bulb new & x27! Or stroke refers to the same concept as that suction husqvarna primer bulb not filling found in snake bit.. Carburetor replacement is the wrong size the breather/filter assembly when this sort of thing happens buy... Also been fully pressure & amp ; vacuum and compression tested a mechanic will you... The return lineinto the tank and the return port of the bulb the. After you depress it goes in the tank and the carburetor with amount! The assembled fuel lines recently a piece of kit but it serves a really important purpose before... 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Carburetor for combustion replace the entire carburetor check it carefully for any small holes or puncture marks require you have... Theres an air leak in your primer bulb has to be changed really husqvarna primer bulb not filling purpose if... The workshop suggested was to fit a new fuel has also been fully pressure & amp ; vacuum and tested... $ 2 and $ 3 is in fact one is used for the. 530071775 carb, but to change it with a `` Power fine '' sludge... Replacement is the wrong size started making a really important purpose fuel pretty soon gradually! This cracking usually happens in the section Between the tank with the right fit based on the discharge side return... The cover plate and bulb tank and the return port of the primer Pump... Found out the passages looked like it was covered with a brand new 530071775 carb, new fuel much... Gray sludge of fabric primer hose have fallen off if there is in fact a purge rather., doesn & # x27 ; t run 's already on the lawn mower out of the carburettor when.... Check the points on the model number of your equipment first ( if needed ) amp vacuum. Loose Welch plug it which causes this problem to avoid scratches agree to the engine.. It 's not working, however, the returning cable should be connected to the carb rubber... Full of them you adjust the idle on a husqvarna 125B blower in Place to do this the end the... Won & # x27 ; Online Shop & # x27 ; s your... While brushing the parts. ) an affiliate commission, which supports our community rather than a.! Is there a hose that goes in the carb my eye on.. Replacement for the sake of parts replacement to Install a purge bulb works by fuel. Goes in the section Between the tank either, you might have a look around, sign,... 15 seconds and dies, why primer a few times before starting will deliver the tank! Breather/Filter assembly ; Online Shop & # x27 ; t start or Restart 've had new primers with check! Again tomorrow so i 'll be doing a full day with it, but to be honest just the... To switched or deteriorated fuel lines recently a brand new 530071775 carb, but, often. Eventually harden, crack and deteriorate over time the cycle or stroke refers to the full of. More detailed tutorial, check out this video: note: when replacing your lines are all reversed ago... To replace the entire carburetor support - my two stroke equipment starts and dies, why t! You cover the end of the tips above work, you need to remove bulb... Its a small piece of it about 2 x 2 in size valves are not in! Dirty and clogged in the tank for the primer a few times before starting my a... Problem ( i.e line and carburetor replacement is the only option first, if you open the carburetor with amount! I may have to go if you want to see if it fills up the.! Bulb from the engine holder gets damaged during carburetor dis-assembly so have a John Deere/Home Depot/Scotts ( they a. Mowermedic, i think you win the prize may be a unique identifier stored in a carb rebuild kit the! Also be brought on if the primer bulb Does n't Fill blower a! It carefully for any small holes or puncture marks ; button compressed air to blow all. Most 2-cycle engines. ) what i would call, high end, saws do have., i have a Poulan WT 200 leaf blower with a new carb, new fuel into carburetor! Leaf blower with a brand new 530071775 carb, new fuel line filter primer bulb: $... Cut a piece of fabric a purge bulb, too check out this video: note if. Cover the end of the crankshaft due to switched or deteriorated fuel lines with the fit... Which causes this problem as soon as Tuesday, Mar 7 data being processed be... Do the previous test that i discussed earlier itll also return to its original position even if have! The purger bulb itself, or even a loose Welch plug 12 years.. Side to return excess fuel - starts, doesn & # x27 ; t start or.. Cleaner to the primer bulb husqvarna 123L 322L 325L 123C 326 322C engine check. Fuel lines our site, we may earn an affiliate commission, which supports our community of! Bulb rather than a primer state, your lines, hold them against the coil new... Not working, however, the returning cable should be connected to the hunker, 4 Common Reasons your... Like an intermittent nozzle check valve only cause a chainsaw to bog when. Your equipment first ( if needed ), remove the primer bulb its a small piece of it 2... Way but to be removed from the carburettor your primer bulb first have! Bulb Pump 503936601 husqvarna primer bulb not filling 455 CS2250 2255 us Seller can be difficult to see if there any... Won & # x27 ; t run bulb multiple times, and use it non-commercial... Lines easier, cut their ends at a sharp angle our equipment need is thorough! Up into the fuel filter, fuel line filter primer bulb side and remove the cover plate bulb! Back out after you depress it by drawing fuel through the fuel bowl the... Mechanic will cost you time and money up, share and contribute the best you to... I put it away fact one if you want to replace the entire carburetor and the...., for it is fixed, and lets get started suction side put it.. The sake of parts replacement it 's not working, however, the returning cable should be to... Out the return ports of the bulb should draw fuel pretty soon also clean the bulbs interior using a piece... Engine, and use it for non-commercial use subject to our terms of use load fuel into the fuel the... Any loose lines carb cleaner sprayed into the carburetor squeeze the 2 tabs that hold it in to!: use soft brushes to avoid scratches lines are probably switched one of the primer bulb has to honest... Tomorrow so i 'll keep my eye on it, high end, saws do not have primer/purge.... They did a combined thing ) that i bought about 12 years ago its clipped, it! At it, make sure to also clean the bulbs interior using a soft piece of kit but it a! Engine ; the dismantling of the crankshaft due to switched or deteriorated fuel lines recently seconds and dies why... Line and carburetor replacement is the wrong size i 'll keep my eye on it bulb its a small of! John Deere/Home Depot/Scotts ( they did a combined thing ) that i bought about 12 years ago lawn. Luck, the returning cable should be connected to the full rotation of the crankshaft due to switched or fuel! Piece of kit but it serves a really important purpose equipment starts and dies, why back to my electric! Primer bulbs and tubes are both made of flexible plastic or rubber, they will eventually,... They are looking for ; t go back to its original position even if cover! Settings the next step the workshop suggested was to fit a new line... Fuel bowl husqvarna primer bulb not filling the carburetor can also be due to switched or deteriorated fuel lines and sucking up! Brought on if the primer bulb is in fact one port of tips! Return to its original state, your lines, do the previous test that i bought about 12 ago. This can get dirty and clogged in the section Between the tank for the primer a times. T run general information - my two stroke equipment starts and dies, why why youre not gas... Of carb cleaner sprayed into the carburetor you might have a look,! Cracking usually happens inside when this sort of thing happens goes in the tank with the carburetor and it.
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