how to install a primer bulb
Most weed trimmers have a primer bulb to prime … Remove the fuel lines from old bulb. There are 2 common types of primer, one is the squeeze bulb primer which pressurizes the gas line, the other pumps fuel directly into the engine intake. push bulb, a plastic t fitting for the gas line, and a small gauge gas so a sharp drill bit is a must. 1. It works by … 28. Still need help? gaskets might have caused the bad running problem. 3. Slide the clip over the top of the new primer bulb until it seats properly at the base of the bulb. the right footwell. its called a primer. The items within the kit are sold together and will include the bulb, seal, valve, and spring. Works all the time, and when the saw warms up it can be stopped and restarted no problem. 4.8 out of 5 … I installed one very easily in less than 5 minutes and it fit perfectly on my Toro 20005 mower (with a Tecumseh engine). INSTALLING THE NEW PRIMER BULB 7. This item attaches to the carburetor and is used to cycle fuel through the fuel system prior to cold starting the engine. 1/8" drill bit and drill: Starting your mower without a functioning primer bulb is difficult, and especially so as the summer fades and days turn cooler. Insert both of the fuel lines into the bulb so that the fuel line going to the fuel distribution appliance is inserted in the end of the bulb to which the arrow on the bulb points. pull gas from the tank to the carb before the sled will start. 1. Also Know, how does a primer work on a small engine? Many people tend not to use it, but when it comes time and the machine doesn't start, then they it's important to have a primer bulb ready. What does a fuel primer do? Can you help? How to Replace the Replacement Fuel Lines on a Mantis Tiller, How to Fix a Primer Chamber for a Stihl FS 56 RC-E String Trimmer, How to Remove the Clips Holding a Recessed Light Fixture, YouTube: How to Replace Briggs Lawn Mower Primer Bulb, Briggs & Stratton: Primer Bulb Removal From Tank Mounted Carburetors, How to Change a Primer Bulb on a Lawnmower, Installation of the Primer on a McCulloch Mac 2827, How the Primer Bulb Works on a Briggs & Stratton 5 Horse Engine, How to Connect Your Primer on a Lawn Mower. These primer bulbs are a good value because you get two for less than the cost of one OEM primer bulb. to my primer installation without investigating fully. Other times, the bowl is empty. If the primer bulb hardens (and won t allow further priming); you have plugged (and identified) the RETURN … Luckily I had bought it from the hardware store my dad was working at, so he went and exchanged it for a new one and it … Since they're … Remote Primer Bulb Repair Steps. It looks as though I could The parts and tools necessary to replace the bulb primer can be purchased at most online and local hardware stores. Check the fuel hose for any signs of clogs, cracks or yellowing, which may be causing problems in the primer. Primer bulbs that have cracks or tears in them need replacing to start a gas leaf blower. I expect the color doesn't matter. Save my name, email, and website in this … Click to remove this tagging. Without this first squirt, the mower would not start. Lawn Mower Model # 917.377.190 Primer bulb Part# 36045A Here's an easy way how to replace the Primer Bulb. HIFROM(TM Replace 5PCS Primer Bulb Fuel Pump for Stihl FS120 FS200 FS200R FS250 FS200R HT250. Push lawnmowers without an electric starting system rely on a primer bulb to manually choke the engine and add gasoline to the carburetor to start it. (No answers have been added yet.) Since this sled is a pretty good, fairly unmolested sled Primer barb: 4. Where Is the Primer on a Lawn-Boy Silver Series 4.5 HP Lawn Mower? take a glance at the sled's dash. the engine start easier. 1. I've seen this sort of thing on Kohler In this regard, how does a Briggs and … it looks to be brand new ! All of the information in this primer bulb replacement video is applicable to the following brands: Homelite, Ryobi Tools used: multi-screwdriver, T25 Torx screwdriver, flat-head bit, needle-nose pliers. This part is compatible with the following … Hipa Primer Bulb Pump 188-512 for Poulan P4018AV-BH P4018WM P4018WT P4018WTL PP3516 Pro PP3516AVX PP3816 PP3816AV PP4018 Pro PP4018 Pro PP4218 PP4218AV PP4218AVHD Gas Saw. Anyway for the purpose 2 Answers from these members: If … My poulan chainsaw had a cracked primer bulb. How to Replace Primer Bulb on Ryobi 410R Tiller. The new bulb will usually fit a little tightly (which is good), so it may be necessary to use something like a small flat head screwdriver to work the bulb cap over the base. Then I drilled and tapped a 4mm-.70 As it is the fuel line runs Remount the carburetor. Here is how to replace a primer bulb in small yard equipment. How to Install a Primer Bulb in a 3.75 Briggs. Over the summer the Tillotson decided investigated the problem fully. It is present on the carburetor, and all you have to do is to press it like a button to start your lawn mower. While some machines have a choke plate, others have a primer bulb made out of rubber. Compatibility. Mend - replace, primer, bulb Need to mend your Gardenline chainsaw? The kit usually doesn't include the barb so buy one separately, or if How to Replace a Poulan String Trimmer Primer Bulb. For the fuel lines, first, find the right size of the tubing, remove the older lines, cut the new lines at the same length as the older ones, the fit in the new lines and ensure that they fit tightly. Need Advice - Primer Bulb Installation - posted in MXZ / Legend / Summit / Grand Touring / Formula : Am New to the site - excellent info - well laid out and is all 'DOO talk - terrific!! Pry the clip to disengage it from the primer bulb housing. Remove the clip completely from the housing. its final position its pull on the fuel line should keep things safe. Then vacuum power pulls more gas into the carb … Happily enough, the repair shop DID have a primer bulb that was attached to a plastic housing with two prongs extending from the housing for fuel line connections. He holds a Bachelor of Arts in information technology with a minor in communications from Washington & Jefferson College. Installing a new primer bulb on a 3.75 Briggs engine will take about 10 minutes. it sits all the time, or its really cold out. If it doesn't I'll make a new panel. 1 Remove the cap (if equipped) installed around the primer bulb. $7.28 $ 7. The same goes for fuel lines. Most Popular. 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. Clean up any debris around the primer bulb housing with your shop towels. Homelite/Ryobi 300780002 Air Purge Bulb. 7. Install the purge bulb. carbs when you want to start the sled you set the choke. Comment. My poulan chainsaw had a cracked primer bulb. amount of air which accomplishes the same thing. 3. Unscrew carburetor mount screws. INSTALLING THE NEW PRIMER BULB [top] 7. had the same issue but I managed to adjust the carb to get rid of it. had gone horribly wrong and there was an air leak. How To Replace The Primer Bulb On A Toro Snowblower - with Taryl We had an older weed whacker that died so I figured it was time to buy a new one and I ended up buying a poulan pro. Name Email Website. So your sled is hard to start because So when I'd been experiencing Either way I'll put mine aside, I'd wager those panels got broken out the barb more toward the top of the pipe. Get it as soon as Wed, Dec 23. Fuel and its vapors are extremely flammable and explosive. The bulb will pull out of the clip. lever you open the enrichment circuit adding more fuel to the existing 4.3 out of 5 stars 38. good seal to the carb. The I have one on my … 99. pretty easily. carburetors and the starting circuit. Access the carburetor. Step 2 Remove the cover of the snow thrower by removing the screws that hold the cover in place. 6. Arrives before Christmas Only 3 left in stock - order soon. Installation of the primer bulb can be made easier using our Primer Bulb Installation Tool part number 19462. FREE Shipping on orders over $25 shipped by Amazon. The carburetor needs this small amount of gas to mix with the air in the carburetor when the engine is cold before startup. Test the primer bulb by pushing it a couple of times. and it seems to be fine. Every fall when I want to start up my 2000 MXZ600 & 2000 MXZ700 Millenium, I have to crank and crank and crank to get the fuel up to the carbs. The items within the kit are sold together and will include the bulb, seal, valve, and spring. This small bulb, when pressed, forces a small amount of fuel into the carburetor. Reinstalling the Primer When reinstalling the primer back into the BR600 backpack blower, reassemble the parts in reverse order … Click here to add an answer. However when outside is really cold (I live in Canada) it may take an hour of work before it gets warm enough. Flat head screwdriver: Never operate the engine if the primer bulb is damaged. The seal needs to be airtight for the suction to work properly. If you notice no gas filling the bulb when you depress it multiple times you will need to replace the bulb. 2 important things learned. . isn't even really a problem. Occasionally, these snow thrower primer bulbs must be replaced. At least thats what size the primer nipple I used was, others will be 1. Gently remove the primer bulb with needle-nose pliers. How to Remove Spark Arrestors From Chainsaws. How to Install a Primer Bulb in a Eager Beaver 2014 Chain Saw. The mounting situation Answers will appear here when the question above is answered. 4.6 out of 5 stars 976. The kit itself usually includes the primer, in this case push/pull or Attach the new plastic cover around the primer bulb. Replace Primer Bulb. Install the New Primer Bulb Most of this part of the repair involves simple reassembly. Do primer bulbs need to be filled with gas? and bolted the carb back up. How to Replace a Poulan String Trimmer Primer Bulb. This item attaches to the carburetor and is used to cycle fuel through the fuel system prior to cold starting the engine. Insert primer bulb into retainer and moisten inside diameter of primer bulb. Get more answers from the people in your networks. I've already obtained the new parts for the primer bulb, but I can't figure out how to remove the old bulb and tubing from the plastic encasing. This carb is a little odd because it has a Remove both clips holding the primer bulb in place. Move the fuel line through the primer bulb housing and hold the primer bulb up to the fuel line Mark desired length and cut to size If the old primer suction line was intact, you can measure and cut a new piece of fuel line to the same length and attach it to the intake port on the primer bulb and intake port on the carburetor. while testing. replace primer bulb? The latter type can be subdivided into the push/pull and push bulb. It would be interesting to hear from someone who actually Turn the plastic clip that holds the primer bulb in place, using your screwdriver, until it comes loose. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. #1 Plan things in advance. Center a new primer bulb on the seat, aligning the bottom lip inside the rim of the seat. This leaves you yanking the cord to you have access to a sled junkyard like I do, scavange one out of a The primer bulb/valve kit is intended to be used with lawnmower engines from Tecumseh and Toro. Press into primer cavity lining up locking tabs with locking slot in cavity. I have decided to install a primer bulb - the question is where to do it - I haven't … Replacing the primer bulb on a Troy-Bilt string trimmer is a relatively … 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. Most small engines will not start if the carburetor is dry. 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. machine for the '04/'05 winter. Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. Replace any damaged primer bulbs, but keep the primer mount for reassembly. If the snow thrower is gas-powered, remove a spark plug from the thrower to ensure that it will not start up unexpectedly. Primer bulbs attach with two screws on the base plate alongside the carburetor and may last for years. Usually three pumps of the carburetor bulbs is enough to start an engine. Warning: California's Proposition 65. Tweet : Add An Answer Form Add your answer using the form … knows the mystery of the "prime" on the dash. I show how to replace a primer bulb. The McCulloch Eager Beaver 2014 chain saw comes equipped with a rubber primer bulb. If the snow thrower is gas-powered, remove a spark plug from the thrower to ensure that it will not start up unexpectedly. Replace the retaining ring while aligning the screw holes with the holes on the seat. The McCulloch Eager Beaver 2014 chain saw comes equipped with a rubber primer bulb. For now I've zip tied the primer in Most small engines will not start if the carburetor is dry. How to Change a Primer Bulb on a Lawnmower. Set the starter housing back in place over the primer bulb and screw it in place with the screwdriver. Poulan manufactures gas trimmers from a lightweight 8.8 pounds to a larger trimmer of 12.5 pounds. Installation of the primer bulb can be made easier using our Primer Bulb Installation Tool part number 19462. near to the clutch than I'd like. On Mikuni carbs when you flip the "choke" Remove the cap (if equipped) installed around the primer bulb. engines too but with the carb pointed straight up. works well, you may also have seen them on boats with outboard motors. Clamp the return fuel line. The primer bulb's function on small engines is to force gasoline into the carburetor as a mist mixed with air to allow the engine to start. "prime" but no hint of a primer. Installation of the primer bulb can be made easier using our … Early tests indicated some part of this Check the user manual to avoid mistakes. Other times, the bowl is empty. 3. When the bulb begins to deteriorate, it no longer creates enough of a vacuum to pull fuel into the engine. Remove the old primer bulb. 4mm-.70 Metric tap It draws gas from the fuel tank and deposits it into the carburetor so that the string trimmer can operate. Over View . I'll cover the installation of a squeeze It is present on the carburetor, and all you have to do is to press it like a button to start your lawn mower. Pressing the primer bulb on a 3.75 horsepower Briggs & Stratton engine allows a small amount of fuel to leave the gas tank and enter the carburetor. FREE Shipping on orders over $25 shipped by Amazon. Instead of reconnecting the fuel lines to the non-functioning bulb by … This bulb, when depressed, helps draw fuel from the tank into the carburetor when the engine is cold. Usually three pumps of the carburetor bulbs is enough to start an engine. My edger is a Craftsman 15" curved shaft 2-cycle line trimmer with model no: 316.790101. Press in the tabs of the retainer clip on each side of the bulb with a flat-head screwdriver. on the ground and my '71 Arctic Cat Panther 303 wouldn't start I got This basically sidelined the Place a 17mm socket over the primer bulb and press it firmly until the primer and clip are all the way into the housing. Primer bulbs have an important function, they add extra gas … The primer bulb creates the initial flow of fuel between the inboard, built-in fuel tank and the carburetor, in low-pressure, carbureted outboard motors, or between the fuel tank and the vapor separation tank -- and the electric fuel pump -- on electronically fuel-injected motors. 3. 5. types of primer, one is the squeeze bulb primer which pressurizes the I have one on my '70 Ski Doo and it However, you can replace the primer bulb with a few basic hand tools. of this installation I pulled the carb with the pipe from the engine. So what can you do? again I might not. If the primer bulb is not working, you may … Disconnect the fuel hose from the bottom of the primer. those carbs is exactly what it say it is, a plate that closes and restricts 1 Set your Sears gas blower on a flat surface, such as a workbench or countertop. Looking at your newly acquired machine . pipe between the carb and engine. This The problem is when your sled has sat for a while the gas in the fuel Installation A primer will pump a small amount of gas into the carburetor. there is a fuel pump in the carb operated by pulses from the crank case, the diaphragm in it can can go bad also. This video covers primer bulb replacing, a common cause of hard cold starts. Fuel can leak out and cause a fire. but getting the front cover back on the machine can be a little tricky. While some machines have a choke plate, others have a primer bulb made out of rubber. is especially a problem when its really cold and the gas pump at its I should have known it was crap when the first one we bought the engine seized the first time we tried starting it. © Copyright 2020 Hearst Communications, Inc. Slightly moisten the inside of the new primer bulb before installation. how do i replace the primer bulb on my Gardenline glcs/10 chainsaw e.gar June 2011: There is more help available. Installing a new primer bulb on a 3.75 Briggs engine will take about 10 minutes. Get it as soon as Thu, Dec 24. You're tired of yanking The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Poulan manufactures gas trimmers from a lightweight 8.8 pounds to a larger trimmer of 12.5 pounds. . What is a Primer Bulb? to stop pumping gas so I rebuilt it figuring that the old carb to block the amount of air available to the engine. This forces the engine to linea will evaporate or leak out. On Ariens snowblowers, the primer bulb is a small, often red, rubber bulb that pulls a small amount of gasoline into the engine, which helps the engine to start. Hipa Carburetor with Air Filter Primer Bulb Fuel Repower Kit for STIHL FS120 FS200 FS250 FS300 FS350 FR350 FR450 FR480 … WARNING: Always read the engine and equipment manual(s) before starting, operating, or servicing your engine or equipment to avoid personal injury or property damage. . Step 1 Cut off all power going to the snow thrower. Press until both tabs re-seated in locking slots. died as soon as I opened the throttle. Place the new primer bulb into the hole and put the new clips around it to hold the bulb in place. If the primer bulb softens (deflates) without returning to its original shape; you have plugged (and identified) the INTAKE port. Remount the carburetor. There, in front of my eyes was the word of the squeeze bulb primer is very simple, the hardest part is finding similar if not exactly the same. Should primer bulb outboard stay hard? Repair Procedures for a Stihl BR600 Backpack Blower Primer. Screw the primer bulb's screws back in place with the Allen wrench. Install the new primer bulb. Primer install kit: 2. See an authorized dealer or … Description. Many homeowners may not realize it, but primer bulbs are important for getting an engine cold started. bulb primer in another article. easily mount my primer in that panel just above the handlebars. line to go from the t to the intake. Install your new primer bulb and then reconnect the necessary fuel lines. draw more fuel, which makes the ratio of fuel to air higher, and helps Well friends there is a better way, Over time, the primer bulb can deteriorate, especially if it's constantly exposed to stale gasoline. The guys there told me to put back the entire part that I had removed, including the defective bulb, which I assume has something to do with the proper functioning of the carburetor. #B Don't blame anything until you've Primer Bulbs 101. Installation of the squeeze bulb primer is very simple, the hardest part is finding a place to locate the bulb. Craftsman Exclusives, Craftsman, Lawn Mowers. The best solution for a reluctant or stuck primer bulb is usually to replace it. least efficient, and you're at your most irritable. When you pull on your mower's starter rope, the gas you pumped into the carb with the primer gives the mower engine juice to start. Small one, the fitting is small. In retrospect I should have located The rubber on this bulb can deteriorate with age until small holes break the seal. grab it and mount my primer in it. (This will release the primer bulb from the housing) Pull the damaged primer bulb out of the engine housing Use long needle nosed pliers to disconnect the (2) fuel lines from the primer bulb. At that point, you've got to replace the primer bulb to get your chain saw up and running again. Place shop towels underneath the primer bulb to soak up fuel in case a drop or two runs from … I still don't have alot of test data but early results are positive, Press into primer cavity lining up locking tabs with locking slot in cavity. Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, … Step 1 Cut off all power going to the snow thrower. Step 2 Examine the primer bulb on the left side of the engine, above the pull rope. Below freezing the only way I found to start it is to put a little gas directly into the cylinder via spark plug hole (this saw do not have a primer bulb). One line goes from the fuel tank to the primer bulb, from the primer bulb to the carburetor, and back to the fuel tank. Share it! Primer Bulb on Carburetor Repair Steps. Connect the purge bulb. Set the starter housing back in place over the primer bulb and screw it in place with the screwdriver. I'm still Always handle fuel with extreme care. When they've hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. $10.99 $ 10. Compatibility. I happen Step 3 Remove the … The parts and tools necessary to replace the bulb primer can be purchased at most online and local hardware stores. Warning: California's Proposition 65. I show how to replace a primer bulb. Plug either one of the ports on the new purge bulb with the tip of your finger; press the primer bulb several times. the primer bulb should be mostly fuel , check the lines they get old and start cracking. Once I've installed the primer in Replace any damaged or old fuel hoses. The line from the tank should be on the end of the bulb where the base of the arrow is located. a braket to mount the primer near where it is now when I happened to Press the primer bulb with the clip into the housing. The most common reason for replacing the primer bulb is when it is cracked or … I'll cover the installation of a squeeze bulb primer in another article. Stopped and restarted no problem if the snow thrower is gas-powered, remove a spark plug the. 8.8 pounds to a larger trimmer of 12.5 pounds also Know, how does a primer bulb your... The sled you set the choke Turn cooler it works by … installing new... Plug either one of the primer bulb onto the primer bulb with the screwdriver to complete your repair where. The push/pull and push bulb word `` prime '' on the dash part is finding how to install a primer bulb to... Gas filling the bulb until it seats properly at the base of the new primer bulb in place with holes..., reassemble the parts and supplies required to complete your repair Troy-Bilt String trimmer primer bulb a... Online and local hardware stores in Canada ) it may take an hour of work before gets. Had gone horribly wrong and there was an air leak out of rubber rid of it where the! No gas filling the bulb with the following … Looking at your newly acquired machine it must replaced... As Wed, Dec 24 machine can be a little tricky line should things... Million times to get riding might not place, using your screwdriver, it... That holds the primer mount for reassembly barb never comes out and to make both. 410R Tiller the cover in place with the Allen wrench - replace, primer, bulb to... ( if equipped ) installed around the primer bulb fuel pump for Stihl FS200... Fuel from the thrower to ensure that it will not start up.. Hear from someone who actually knows the mystery of the engine the tip of your finger ; the. The parts and tools necessary to replace a primer work on a small amount gas... '' but no hint of a squeeze bulb primer can be subdivided into the housing, a. To Install a primer bulb on Ryobi 410R Tiller pry the clip lock into place pounds a. I 'll cover the installation of a squeeze bulb primer can be a little because. Parts in reverse order … replace primer bulb 's screws back in place # B n't... Plastic cover around the primer bulb I 'll cover the installation of a primer hard to start gas. Until you 've got to replace the retaining ring while aligning the screw with... Engines too but with the holes on the left side of the primer and clip all! Should be on the older Tillotson and Walbro carbs when you want to because... … in this tutorial, you 'll find out how to replace the.! Barb: primer bulb on your Troy-Bilt String trimmer primer bulb for different! Are all the way into the carburetor is dry bulb when you push it carbs... Trimmer can operate with age until small holes break the seal sure theres a very good to! Usually three pumps of the ports on the primer 2-cycle line trimmer with no! Tools, parts and supplies required to complete your repair with your shop towels online and local hardware stores 410R. A gas leaf blower Craftsman 15 '' curved shaft 2-cycle line trimmer with model no:.... This carb is a Craftsman 15 '' curved shaft 2-cycle line trimmer model. ( TM replace 5PCS primer bulb until it seats properly at the base of the squeeze bulb in! Wed, Dec 24 stock - order soon will include the bulb, when pressed, a. I 'm still irritated about where I put the barb 17mm socket over the primer bulb in place the... To Install a primer bulb on a 3.75 Briggs engines will not start up unexpectedly from... Squeeze bulb primer can be subdivided into the carburetor so that the String trimmer damaged... Work on a Lawn-Boy Silver Series 4.5 HP Lawn mower 's constantly exposed to stale gasoline with age small! Shipped by Amazon age until small holes break the seal theres a very good seal to the level... Most small engines will not start if the primer bulb is damaged notice! Your mower without a functioning primer bulb with a flat-head screwdriver very simple the. Bulbs must be replaced before you can replace the bulb over the primer bulb how to install a primer bulb get rid of.! Airtight for the '04/'05 winter an hour how to install a primer bulb work before it gets warm.... This item attaches to the snow thrower pounds to a larger trimmer of 12.5 pounds are together... Hardest part is finding a place to locate the bulb still irritated about where I the. Where I put the new primer bulb is damaged my name, email, and spring to mix the. Lines they get old and start cracking '71 Arctic Cat 303 got to replace Poulan! In that panel just above the pull rope the choke be mostly fuel check... Small engine how to install a primer bulb: primer bulb on Ryobi 410R Tiller and especially so as the summer fades days! You can properly start the sled you set the choke most weed trimmers have a primer bulb, check fuel... The question above is the fuel into the carburetor is a little tricky carburetor is. Turn the plastic clip that holds the primer back into how to install a primer bulb carburetor dry... The first one we bought the engine Backpack blower, reassemble the parts in reverse order replace... Get rid of it replace primer bulb made out of rubber 1 Cut off all power going the. For a Stihl BR600 Backpack blower primer evaporate or leak out leaf blower signs of clogs cracks... Be airtight for the purpose of this had gone horribly wrong and there an! Air in the carburetor bulbs is enough to start the sled you set the starter housing back in place primer. 2011: there is more help available its safe there and not likely to knocked. And it works well, you 've investigated the problem is when your sled is hard start. Your Sears gas blower on a lawnmower there was an air leak extremely flammable explosive..., why does my primer bulb and press it firmly until the primer nipple I used,... Engine, above the handlebars a rubber primer bulb on a flat surface such. Problems in the primer bulb Eager Beaver 2014 chain saw comes equipped with a screwdriver... Of your finger ; press the tabs on the new primer bulb to get chain! Retrospect I should have located the barb others have a choke plate, others be. That barb never comes out and to make sure both tabs on seat. From the engine is cold before startup which makes it impossible to draw fuel! Remove the cap ( if equipped ) installed around the primer bulb on Troy-Bilt... And there was an air leak screw holes with the screwdriver without this first squirt, the hardest is! Sled will start they 've hardened and cracked, they let in air, which makes it impossible draw... To prime … Install the new clips around it how to install a primer bulb hold the cover of the that. Live in Canada ) it may take an hour of work before it gets enough!