That center rod is the electrode – electricity arcs from that to the hook. The other end is bulbous, with a small metal rod coming out of the center, and a metal hook to one side. If you look at a spark plug, you’ll notice one end is narrow and tapered – this is where the wire connects to it. The primary type of wear here is with the electrode. Like most other components of your engine, spark plugs wear down over time. This is what ignites the fuel in your engine’s cylinders, creating the combustion that pushes the pistons down and actually turns the engine. Electricity is created by the alternator and sent to the plugs, which create arcs of electricity. Spark plugs connect to wires that lead to the ignition system. It’s needed to operate most of your accessories, but is also required to make the engine run. If you find your machine has a bigger problem, use our service locator to find a qualified MTD service provider in your area.While your engine runs on gasoline, it also requires electricity. The MTD Genuine Parts Knowledge Center provides do-it-yourself instructions for performing many basic maintenance items, including replacing cutting blades, drive and deck belts, and engine oil. Shop Walk-Behind Lawn Mower Accessories and Attachments.When you need parts for your walk-behind lawn mower, you can use the MTD Genuine Parts Part Finder to find the correct one. Once you've replaced the lawn mower spark plug, reconnect the spark plug wire to the spark plug. Make sure the mower spark plug is in tight, but do not over-tighten it. Using the spark plug wrench, continue tightening the spark plug. You should be able to thread it in smoothly by hand for a few turns. Install the new mower spark plug, being careful not to cross-thread the plug. Refer to your operator's manual for the correct gap. Step 4: Change the spark plugĬheck the gap on the new spark plug by using a spark plug gap tool or a set of feel gauges to adjust the gap. Turn the spark plug counterclockwise until the plug is removed from the engine. Use a spark plug socket wrench to remove the old spark plug. Step 2: Disconnect the mower spark plug wireĭisconnect the mower spark plug wire from the spark plug. Place your walk-behind lawn mower on a flat, level surface. If your lawn mower is damaged from hitting an object in your yard or has complicated engine trouble, it is best to take it to a local MTD certified service dealer for repairs. Note that the instructions for changing the spark plug on your lawn mower may be slightly different than those noted below - reference your operator's manual for instructions specific to your model.īefore starting, make sure you have the tools needed to replace the spark plug, including a spark plug socket wrench and a gap tool. Performing this maintenance item will ensure easier starting and that your machines' engine performs as designedįollow the instructions below to inspect and replace the spark plug. Walk-Behind Lawn Mower Spark Plug Replacement InstructionsĪs part of routine maintenance, it's important to check and replace the spark plug for your walk-behind lawn mower. Lawn Mower Spark Plug Replacement Instructions.Riding Lawn Mower Attachments & Accessories.
0 Comments
Leave a Reply. |