The spring on a lawn mower can be fixed with the right tools and a little bit of know-how. Fix a spring on a lawn mower with help from an outdoor power equipment specialist in this free video clip.
Hi, my name is Bill Parker, and today I'm going to show you how to replace the spring on your pull cord assembly. We've got two different styles here. This style has got paws that come out and engage and this style uses a clutch style that sits inside. So the first one with the paw style is we're just going to remove the tension on the spring by just letting it wind itself back in. Then we'll remove the cap. Once that's done and out of the way, we can release the pulley. Now this one has a pre-wound spring in it. You can't replace this spring without replacing this pulley. So it comes as a complete assembly. You can get it at your lawn and garden dealer. When you get it, you will put it back on and when you do you're going to spin it backwards until you feel it catch. It catches right there. We'll put our paws back on and our retainer. Feed the rope through the hole and then we'll put our handle back on. This style you'll see in most small lawnmower engines. We're going to do the same thing, we're going to release the tension on it but this spring is replaceable. We just let the rope go in and let it release the tension. Now on the side here is where the spring is located, just using a pair of needle nose we're going to grab the end of that spring and move it to the large part of the opening and just pull it out. As you can see it's a very large spring. When you get to the end all you do is give it a turn and pull it out. Okay, so we've got the spring out, what we're going to do is just kind of turn it backwards and just pull it through our fingers, put a little tension back into it so when it coils up, it's got the proper tension. So we've got the spring as straightened out as we're going to get it. It doesn't have to be flat, straight, just set that aside. We put our pulley back in, bend our tab down and before we go further, make sure that the pulley turns because if it's bound up now it's still going to be bound up later. Now we're going to put the spring back in. Remember what I said about that little hole, that hole plays a big part. So we're going to put our spring back into this hole. It's going to go into the pulley and lock into the small hole and then we'll wrap it in. So we put it in sideways, remember we're going in sideways and then we're going to turn it. So we're going to go in, we're going to turn it and lock it and then we're going to turn it counterclockwise. Counterclockwise is going to wind it back in and all we're going to do is just keep winding it back in with our hands, keeping a little bit of tension on there so it doesn't ride above the pulley. Then as you get near the end, what you want to do is take your needle nose pliers and grip it on the end and just kind of feed it in and lock it into place. Once it's locked in, then we can continue winding it counterclockwise until it gets completely tight. Once it's completely tight, we'll back it off until the hole for the rope lines up with the hole on the housing, there, so now we just back it off a little bit. Now we've got the hole for the rope lined up with the hole on the housing. We can put our rope back through and feed it through the housing. Okay, so you continue to push the rope through the hole, pull it through, now you can relieve the tension back in there, tie a small knot to hold it so it doesn't go in on you. This is the important part. Many times people let it just go in and they have to start all over again. Now you've got the tension off, you can go head and put your pulley, your handle back on and tie your knot and you'll be good to go. Okay, so that's all there is to it, that's how you replace the spring on a recoil assembly.
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