Put the key back in the ignition and start the unit. Raise the deck on your riding lawn mower back to the highest position. Step 11: Put the mower deck belt guards back on Put the belt keeper rod back in place around the engine pulley. Tighten the idler pulley nuts you loosened. Or, you can refer to your operator's manual. If you took a photo earlier, use it for visual reference. Route the new mower deck belt in the same manner as the old one. Don't put your fingers on the idler spring or between the mower deck belt and any of the pulleys, as this could cause your fingers to get pinched or injured. Remove the mower deck belt from around all the pulleys, including the deck idler pulleys. If you have a digital camera or a cell phone with a camera, you may want to take a picture of how the mower deck belt is routed before you remove it. This will enable you to easily remove the mower deck belt from around the idler pulleys. On a riding mower deck like the one in the video, loosen - but don't remove - the idler pulley nuts. Remove the belt-keeper rod from around the engine pulley. Remove the mower deck belt guards by taking out the screws that secure them to the deck. Step 3: Take off the mower deck belt guards Step 2: Adjust the deck heightĪdjust the deck on your riding lawn mower to the lowest position by moving the deck lift lever. Keep in mind that the instructions for changing your mower deck belt may be slightly different for your model.īefore you change the mower belt, turn off the engine, remove the ignition key and disconnect the spark plug wire(s) to prevent accidental starting while you're working. Always use Genuine Factory Riding Lawn Mower Parts, as they are specifically designed for your machine and will help maximize its performance. Changing your mower deck belt as necessary will help keep your machine running at its peak.īefore you change your Riding Mower Belts, confirm that the part number for the replacement you purchased matches the one listed in the 'replacement parts' section of your MTD lawn mower manual. Over time, the belts on your MTD riding lawn mower can wear. How to Change the Mower Deck Belt on a Riding Lawn Mower.Riding Lawn Mower Attachments & Accessories.

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