Wind the spring pulley. And the whole process can take up to 30 minutes to complete. Learn more. and turning the tap off when the mowers not in use will prevent this from happening again. Well unless your mower is less than 3 years old, breaking or fraying the pull cord on a lawnmower is fairly common. Check that the bail lever is releasing the flywheel brake. Check the reason behind it stopping to retract. This is basically a cylinder filled with gas, and because a fluid can't be compressed, the piston won't move giving you a stiff pull cord. Fit the pull handle and double knot. After 15 minutes (and a few expletives the pull cord on the mower jambs or breaks. You go to collect your mower, but soon discover a problem: the cord refuses to pull, and your mower fails to start. When you pull the rope, centrifugal force engages the recoil pulley on the main-shaft of the engine. The key usually shears because the blade has hit something solid and the engine has come to a sudden stop. Pry the cord up, spray some wd40, and slowly spin the cord clockwise, being careful to avoid any sharp points that will damage the cord. Valve lash should be checked every season, it's usually overlooked. If you choose not to remove the pulley, you must load up the recoil spring by turning it anticlockwise three turns. For example, The Lawn Mower Guy charges $50 for carburetor cleaning and $40 for carburetor replacement (plus the cost of parts). Slowly release pressure on the spring to relax the coil into position in the housing. while you feed in and knot the cord, fit handle and double knot. A lawn mower’s cord can be difficult to pull for a variety of reasons. Over time, the recoil spring can start to weaken; and when you pull on the recoil string, the spring does not retract the string fully. Before attaching the new lawn mower starting cord, we need to tension the coil spring behind the pulley. The process we discussed is the general process for replacing a lawn mower’s pull cord. Remove the screwdriver and allow the rope to be fastened to the wheel. Pull the cord out all the way, secure the pulley, I use a... (3) Cut the old cord, and discard, now feed in and knot the new one. Remove your screwdriver and test. One screw, 3 nuts and your in. Now find the knotted edge of the broken rope. Other mowers may take a little more work. This guide will show you how to solve all these problems - "Lawn mower leaking gas". But you know since it is a tool, you can face many problems. Troy-Bilt mowers utilize centrifugal force applied by a pull string and a recoil pulley to grip the engine shaft for starting the engine. My promise to every customer is to give the greenest grass possible while controlling weeds, insects, and diseases! Fitting the pulley is covered below. Without it, you will not be able to start your mower. I used a screwdriver to hold the pulley still while tying off the end of the cord. Pull cord comes in different thicknesses, if you choose a cord that's too thick, the correct length, won't all fit in the pulley when wound in. The pulley has a hole on the bottom of it. Replacing a pull cord on a Briggs & Stratton lawn mower … Even in the worst-case scenario -- the recoil spring is binding or broken -- you shouldn't have to devote more than 30 … Remove the bolts and the pull cord unit should lift right off. Old dried grass and debris can collect under the mower, this can prevent the blade from turning. Replacing a pull cord on a Briggs & Stratton lawn mower requires removing the … Have you ever tried to pull start your lawn mower, and the cord failed to pull back in? When you buy through links on our site, we may earn an affiliate commission. So how do you replace a pull cord? If your lawn mower pull string breaks while you are trying to cut your grass, you can repair it yourself with a little time and effort. Hold the edge tight with the pliers and pull out. Step #2: Remove The Pull Cord. That will free you from the hassle of losing the screws. Feed one end of the new pull cord into the cord hole in the rim of the starter pulley. Easy to follow video tutorial on how to repair a broken lawnmower pull cord. Type above and press Enter to search. Most pulleys wont need to be removed from the assembly to replace just the the cord. And I believe, after that, replacing a pull cord will be an easy task for you. Do you think the task is a hassle? The most important thing is that I strive to always do the right thing for you, your lawn and your wallet! Then replace the starter. Position the knot so that there's a little tension on the rope when you release the handle. I wrote this guide to help you solve the problem, it's a step by step with pictures - Check and adjust valve lash. Most push mower use a Briggs & Stratton or Tecumseh engine. But keep in mind, the entire process we discussed is for small size lawn mowers. If your spring is damaged or unravels, go ahead and buy a whole spring and pulley. Add about four inches to the overall length to account for the knots you need to tie on either end. Most of the time, however, the cord will break at the handle. Lock the spokes of the pulley with a small screwdriver. Incorrect valve lash will cause excessive combustion chamber compression, meaning it's physically difficult to pull the cord against this pressure. The pull cord on my Honda HR215 SXA mower broke. Lawn mower engines are not designed to cut on slopes of more than 15 degrees, this causes oil starvation, which as you know can seize an engine. Mend - pull, cord, machine, lawn, mower After you pull off the shroud that holds the recoil, you will see 3 or so tabs that hold the "wheel" in the shroud. Incorrect valve lash will cause excessive combustion chamber compression, meaning it's physically difficult to pull the cord against this pressure. Then you will need to put in a new pull cord by tying one end near the pulley, letting the cord coil back up and tying a knot above the starter handle. If your problem is a damaged spring then the pulley will need to be removed from the assembly. Pull it tight before returning to the previous position. Replacing it would require total dismantling of the unit. A. It will cause it to smoke, leak oil and despite all that oil, it's not being lubricated properly. Reconnect the power cord to the battery. Lawnmower shops can have a several-day waiting period before you can get your mower fixed. How to Install a Lawn Mower Starter Spring on a Cub Cadet. Use the starting string and the notch provided on the string spool to wind the spring in … Put the handle on the rope and tie a knot. Fit a new handle to the other end of the pull cord then release the clamp whilst holding the pull cord … Test the assembly, the pawls shoot out when you pull the cord and retract when the cord recoils. 1) The Pull Cord is Stuck. Remember, when the cord breaks, the spring unloads, so the spring must be wound-up to reload it. Remove your screwdriver and test. I removed the three bolts on … Pull cords on lawn mowers have caused homeowners many frustrating hours by becoming stuck, refusing to work. Heat the rope with a lighter. If your problem is a pull cord that doesn't retract. My Craftsman eager 1 lawn mower pull cord snapped at the knot. The mower cord is connected to a hub, and this hub spins when you pull the cord. Once the issue is determined, the correct solution can be implemented. , as the gas has likely leaked into the crankcase, which dilutes the oil, making it worse than useless at lubricating and cooling the engine. Having a damaged pull cord is one of those problems. (1) Cut the correct length of new cord, measure it against the old one. The major parts of a lawn mower pull cord housing are: Here, we will discuss the process of how to replace the pull cord on the lawn mower. Now seat it, confirm its seated by turning it anti-clockwise, you should feel the spring resistance. Written by: Chris Baylor. Thread the new cord through the hole designated for the starter cord and tie a knot to hold it in place, then wrap the cord in the appropriate direction. Wind only 5-6 times before checking if the cord has been wound to tightly; without caution the pull start spring may snap, which is a more advanced and expensive repair. It's helpful to mark the rim where the pull cord ends with white paint. That happened to me this weekend and while it is unfortunate, it is also easy to fix. Always pull the plug wire when working on your mower. Cut the correct length of new cord, measure it against the old one. When the cord breaks, it is time to take fix … Yep, it's that time of the year again to pull out the lawn mower and start the weekly ritual of mowing your lawn. Your lawnmower didn’t go useless. Taming a recoil spring can be like herding cats. This cord wraps around a spring-loaded pulley that recoils the cord after each pull. check out - "Flywheel key replacement". Follow these steps to replace a lawn mower pullcord: If you need video help, definitely check out my. Grab your floppy pull cord, toolbox and wounded pride and let’s get fixing. If you have the old cord, use it as a measure of how much new cord you need. If you have a problem while working, the user manual will guide you that how to fix the problem. Pull the cord through the hole and wrap it around your hand to prevent it recoiling back in. If the cable is hard to pull because something is wrong with a lawnmower part, it is best to fix the piece to make pulling the cord easier. How to repair a lawn mower pull cord spring. At the beginning of the replacement, specify a place to hold the screws. Press Esc to cancel. This time, carefully replace the rewind housing to its previous position. Some manufacturers, like Honda make it easy. (2) Have a sharp pliers and flat screwdriver handy. Examine all for damage including starter pulley. Now when you pull the cord, the cord doesnt rewind by itself. check out -, Lawn mower engine's are very well designed and built, but poor maintenance, low oil and abuse will kill them. Don't remove the old cord yet. Collect the user manual from the manufacturer’s website. Place the starter assembly back onto the clutch and put the screws back in. Check out this video on how to fix a broken pull cord. But what to do when you need to replace this pull cord? Remove the screws using a screwdriver or wrench. I find it faster, but you can choose not to, it swings and roundabouts. The mower won’t start so you yank and yank on the pull cord without success. Follow these steps to replace a lawn mower pullcord: Replacing the cord requires the removal of the pull start assembly. While holding the loaded starter pulley, or locking it with a screwdriver, locate the cord end which you marked earlier. In turn, this spins the blades of the lawnmower, and the crankshaft as well. Remove the pull cord from the handle of the mower. But you know that since it is a tool, it may face many problems. No matter how mercilessly you pull the cord, all the mower does is sputter. How to Replace a Starter Spring on a Push Mower. I need help replacing it providing it can be done by the owner. Both engines use the starter cord in the same manner. Don’t forget to wear hand gloves for protection. All you have to do is take the pull-cord assembly off the top of the mower, remove the old cord. Around the pulley, slowly rotate it in the right direction and fasten the rope. In this video I will show you how to fix a lawnmower pull start assembly fast and hassle free. Lift off the … Usually you can manage to feed the new cord into the pulley without removing the pulley from the assembly. In most cases, the recoil starter fails because the spring slides out of place, causing it to lose tension. Burning and clipping it into a point helps the feeding process. The procedure for this lawnmower will be the same on some Honda lawnmowers. Unscrew the three nuts holding the starter to the engine housing, using a socket wrench. One of the most common repairs on a push lawn mower is replacing the starter cord. The gas gets into the cylinder because the carburetor float needle seal is worn. Then lock the pulley with the screwdriver as per the above guide. This guide will show you how to diagnose and replace the Shear key. Now wind the starter pulley, anti-clockwise three revolutions and align your white mark with the cord hole in the assembly housing. Cut the old cord, and discard, now feed in and knot the new one. Some mowers of course have a blade clutch, meaning the blade doesn't move until you engage a lever. (1) Cut the correct length of new cord, measure it against the old one. Simple troubleshooting to determine one of two issues causing the problem can solve a stuck pull cord. Wind the pull cord around the rim of the starter pulley, anti-clockwise with spring facing down. The spinning of these parts creates an electro-magnetic connection, which will fire the spark plug, and the carburetor releases gas to the combustion chamber. 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