Belt Specifications. Re-install the belt keeper surrounding the engine pulley, using a 1/2" wrench. Even if only slightly worn, operating with damaged equipment could cause larger issues if not addressed. For Troy-Bilt, MTD, MTD Gold, Bolens, White Outdoor, Huskee, Yard Machines and Yard Man.
Apply a very small quantity of anti-seize compound to the engine crankshaft. Nstall the new upper drive belt into the upper sheave of the variable speed pulley and around the transaxle pulley. Next, remove the belt guide from the variable speed pulley bracket using a 1/4" socket. Riding Mower Blade Spindles.
Again, with the parking brake engaged, remove the cotter pin that secures the ferrule in the latch assembly. Open the hood and remove the spark plug wire(s). Riding Mower 38-inch Deck Belt. Opposite of when you removed the battery, connect the red positive battery cable to the positive battery terminal first.
If not, use a strap wrench to hold the crankshaft pulley while loosening the bolt. The pulley is secured by a bolt, lock washer, and a heavy flat washer. If the engine is hot, allow the exhaust system to cool down before attempting any maintenance. Yard machine 38 inch deck belt diagram 54 inch lawn mower. 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. If your new lawn mower belts and other parts are running smoothly, then you're ready to get back out and mow! Re-install the tension spring and connect it to the anchor bolt on the left side of the tractor. Step 8: Take the belt off the variable speed pulley. This part replaces: 754-04062. Be careful not to get any of the anti-seize compound on the belt or in the "V" of the pulley.
Step 13: Install the new lower drive belt. Step 25: Re-install the cutting deck. Step 1: Position the mower to change the lawn mower belt. Step 27: Reattach the spark plug wire(s). Use our Part Finder to look up your belt based on the part numbers for your riding lawn mower.
If you find your machine has a bigger problem, use our service locator to find a qualified MTD service provider in your area. Step 7: Remove the upper drive belt and lawn mower belt guide. As you install the new lower drive belt, confirm the correct belt routing inside of all the belt keepers and through all the guide pins using the pictures taken before the lawn mower belt removal. A substitute, or NON-Original Equipment Manufacturer (OEM), V-belt can be dangerous as it may not disengage completely. Safety glasses or goggles, and hand protection, in the form of mechanic gloves, should always be used. Yard machine 38 inch deck belt diagramme. Step 21: Re-install the tension spring. Step 22: Secure the transaxle pulley. Always observe safety rules when performing any lawn mower maintenance. Place the mower on a flat, level surface and set the parking brake to keep the mower from rolling while you're working. Step 2: Check the engine temperature before replacing the lawn mower belt. Maneuver the upper (rear) belt from the transaxle pulley and remove the belt from the mower.
Step 9: Remove the belt keeper. Step 4: Remove the cutting deck and battery. Step 14: Apply anti-seize compound to the crankshaft. Step 15: Insert a spacer. Then lift the seat to gain access to the battery.
This will help ease the crankshaft removal in the future when needed. Thread the ferrule up or down the rod until the post fits in the hole without any resistance. If while performing lawn mower maintenance on your drive belts, you noticed other issues or signs of wear, take the time to order replacement lawn tractor parts before running the machine again. Yard machine 46 inch deck belt diagram. For the do-it-yourself homeowner, here are some step-by-step instructions on how to change a riding lawn mower drive belt. Note: Because there is inter-play between the two drive belts in the variable-speed pulley system, it is a good practice to replace both riding lawn mower drive belts at the same time. Step 12: Remove the lower drive belt from the lawn mower.
The following procedure will be for the speed control linkage on the variable speed belt drive. With the parking brake still engaged remove the cotter pin from the ferrule on the top side of the variable speed pulley bracket. Make sure the lawn mower belt is fully seated in the grooves. Step 19: Re-install the lawn mower belt keeper and belt guide. Using a torque wrench, tighten the crankshaft pulley bolt, to a torque of 37. While holding the spacer in place, install the crankshaft pulley.
Note: DO NOT get any anti-seize compound on the bolt threads or in the bolt hole of the crankshaft. You will see a large transaxle pulley. Depending on your model, the steps to install lawn mower belts may vary. Ground the spark plug wire (s) against the engine to prevent it from starting during lawn mower maintenance. Loosen the large nut holding the pulley to the input shaft using a 7/16" socket. Tighten the large nut that secures the transaxle pulley to the input shaft of the transaxle using a torque wrench and torque to 10-15 foot pounds (13. Before starting this project, make sure you have the correct lawn tractor parts. When disconnecting the battery, always disconnect the black negative battery cable first, and then disconnect the red positive battery cable. Reconnect the spark plug wires to the spark plugs.
Step 28: Check the operation of the new lawn mower belts. Lawn mower belt installation is essentially the removal process in reverse. The lock-washer to the bolt head and the heavy flat washer to the crankshaft pulley. Note: These are all accessed through the battery compartment. Just follow the cutting deck removal instructions in reverse order. Step 20: Install the new riding lawn mower upper drive belt. During the installation process, you can refer back to the pictures for reference. Remove the cutting deck.
How To Repair the Drive Belt on a Riding Lawn Mower. Common parts include: Riding Mower Blades. Free Shipping on Parts Orders Over $45. Fits Lawn Tractors 2005 and After. Disconnect the linkage from the latch assembly. 5 - 50 foot pounds (51-68 Newton Meters). Note: The use of an air impact gun is recommended for removal purposes. Fix equipment issues quickly. Then re-install the belt guide, which was removed from the variable speed pulley bracket, by using a 1/4" socket. Instructions for removing the cutting deck can be found in your Operator's Manual in the "Service" section.
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