MTD 31AE993I401 manual Changing Friction Wheel Rubber, Drive Belt

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Drive Belt

•Unhook the extension spring from the belt cover plate. See Figure 21.

•Remove drive belt from the engine pulley and bottom drive pulley.

•Replace belt and reassemble in reverse order.

•Reassemble the two halves of the unit hooking the lower portion of the auger housing over the stationary shoulder bolts in the frame assembly.

Belt Cover

the right side of the hex shaft will fall and the sprocket should remain hanging lose in the chain. See Figure 22.

Shift Arm Assembly

Sprocket

Spacer

Pin

Friction Wheel

Extension

Spring

Drive Belt

Figure 21

•Secure the two halves with the two bolts and lock washers removed earlier.

•Attach the “Z” fitting of the cable into the brake bracket assembly. Refer to Figure 19.

•Slip the auger control belt over engine pulley.

•Insert ferrule on auger idler rod into bracket assembly and secure with flat washer and cotter pin. Reassemble the large shoulder bolt and lock washer. Refer to Figure 19.

•Reassemble belt cover and chute crank.

Changing Friction Wheel Rubber

The rubber on the friction wheel is subject to wear and should be checked after the first 25 hours of operation, and periodically thereafter. Replace the friction wheel rubber if any signs of wear or cracking are found.

•Drain the gasoline from the snow thrower, or place a piece of plastic under the gas cap.

•Tip the snow thrower up and forward, so that it rests on the housing.

•Remove six screws from the frame cover underneath the snow thrower.

•Remove the left wheel from the axle.

•Using a 7/8” wrench, hold the hex shaft and remove the hex bolts and cupped washer and bearing from left side of the frame. Refer to Figure 11.

•Holding the friction wheel assembly, slide the hex shaft out of the left side of the unit. The spacer on

Figure 22

•Lift the friction wheel assembly out between the axle shaft and the drive shaft assemblies.

•Remove four screws securing the friction wheel rubber between the friction wheel plates. See Figure 23. Discard old rubber.

•Reassemble the new friction wheel rubber to the friction wheel assembly, tightening the four screws in rotation and with equal force. See Figure 23. It is important to assemble the rubber on the friction wheel symmetrically for proper functioning.

Plates

Bearing

Screws

Hub

Friction Wheel Rubber

Figure 23

•Insert the pin from the shift arm assembly into the friction wheel assembly and hold assembly in position. Refer to Figure 22.

•Slide the hex shaft through the left side of the housing and through the friction wheel assembly.

•Insert the hex shaft through the sprocket and the spacer. Make certain that the chain engages both the large and the small sprocket.

NOTE: If the sprocket fell from the snow thrower while removing the hex shaft, place the sprocket on the hex shaft. Position the hex hub of the sprocket toward the friction wheel when sliding the sprocket on to the hex shaft. See Figure 24.

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Contents Operator’s Manual MTD LLC, P.O. BOX 361131 CLEVELAND, OhioTable of Contents Important Safe Operation Practices TrainingPreparation OperationMaintenance & Storage Your ResponsibilityAssembling Your Snow Thrower Chute Clean-Out Tool Final AdjustmentsTraction Control & Shift Lever Auger ControlTire Pressure Pneumatic Tires Knowing Your Snow Thrower Traction Control / Auger Control LockShift Lever Discharge ChuteOperating Your Snow Thrower Before StartingGas & Oil Fill-Up To Start EngineTo Stop Engine To Engage Wheel DriveTo Engage Augers Operating TipsShift Rod Traction ControlMaintaining Your Snow Thrower Gear Shaft Gear CaseAuger Shaft Auger Bearings and ShaftServicing Your Snow Thrower Replacing Belts Auger BeltChanging Friction Wheel Rubber Drive BeltSafety & Decorative Labels Part Number and Location Sprocket Hex Shaft Hex HubTroubleshooting Problem Cause RemedyParts List for Model DescriptionModel Part Description List Color Codes below Please add Model 20 57 05244A Bearing Housing Model Description MANUFACTURER’S Limited Warranty for MTD LLC, P.O. BOX 361131 CLEVELAND, Ohio 44136-0019 Phone

31AE993I401 specifications

The MTD 31AE993I401 is a powerful riding lawn mower designed to deliver an efficient and reliable lawn care experience. This machine is tailored for homeowners looking for a robust and easy-to-use solution for maintaining their yards. With its practical features and advanced technologies, the MTD 31AE993I401 stands out in the competitive landscaping market.

One of the most notable features of the MTD 31AE993I401 is its impressive 18 HP engine, which provides ample power to tackle challenging terrains and dense grass. The engine is designed for efficiency, ensuring that users can complete their mowing tasks without frequently refueling. The mower's hydrostatic transmission allows for smooth and seamless acceleration, enabling operators to adjust their speed effortlessly while maneuvering around obstacles.

The cutting deck is another defining characteristic of the MTD 31AE993I401. With a wide 42-inch cutting width, the mower covers a larger area in fewer passes, making it ideal for medium to large lawns. The deck height adjustment feature offers versatility, allowing users to customize the cutting height to suit their lawn’s specific needs. This is particularly beneficial for maintaining a healthy grass height that promotes optimal growth.

Comfort is a priority in the design of the MTD 31AE993I401. It features an ergonomic seat with armrests, providing users with a comfortable riding experience, even during extended mowing sessions. The intuitive control panel ensures that all essential functions are easily accessible, making operation straightforward for both new and experienced users.

To enhance durability and longevity, the MTD 31AE993I401 is built with robust, high-quality materials. Its steel frame adds to its resilience, ensuring the mower can withstand the rigors of regular use.

Additionally, the MTD 31AE993I401 incorporates innovative technologies for ease of use and maintenance. The mower is equipped with a reliable starting system, reducing the hassle of manual start-ups. Its easy-to-reach maintenance points simplify service tasks, making it easier for owners to keep the mower in prime condition.

In summary, the MTD 31AE993I401 riding lawn mower combines power, comfort, and durability into a single machine. Its efficient engine, wide cutting deck, and user-friendly features make it a top choice for those seeking an effective lawn care solution. Whether you're tackling a small yard or managing expansive lawns, the MTD 31AE993I401 delivers exceptional performance and reliability.
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