4.Install the new belt on the pulleys in the reverse order and re-tension with the idler pulley.

5.Reassemble your unit by performing the previous steps in the opposite order.

Changing Friction Wheel Rubber

WARNING: Run the engine completely dry of gasoline before tipping snowthrower.

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

Remove screws from the frame cover underneath the snow thrower. See Figure 5-2.

Remove the right wheel(s) from the axle.

Shift Arm

Remove hex screw and washer Hex Shaft

Friction

Wheel

Assembly

Slide hex shaft

6

Maintaining

Your Snow

Thrower

Using a 3/4” wrench, hold the hex shaft and

remove the hex bolts and cupped washer and bearing from left side of the frame. Refer to Figure 6-12.

Holding the friction wheel assembly, slide the hex shaft out of the right side of the unit. The spacer on the left side of the hex shaft will fall and the sprocket should remain hanging lose in the chain.

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 6-13. Discard old rubber.

Reassemble the new friction wheel rubber to the friction wheel assembly, tightening the four screws in rotation and with equal force. It is important to as- semble the rubber on the friction wheel symmetrically for proper functioning.

Insert the pin from the shift arm assembly into the friction wheel assembly and hold assembly in position. Refer to Figure 6-14 .

Slide the hex shaft through the right 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, align sprocket on chain, 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.

Slide the bearing onto the left end of the hex shaft and press into the hole on the left side the frame.

Secure with the cupped washer and hex bolt removed earlier.

Secure the frame cover with self-tapping screws. Put the snow thrower down to its normal operating position.

Figure 6-12

Friction Wheel

Figure 6-13

WARNING

The rubber on the fric- tion wheel is subject to wear and should be checked periodically. Replace the friction wheel rubber if any signs of wear or cracking are found.

Figure 6-14

19

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MTD 769-04179 warranty Changing Friction Wheel Rubber, Using a 3/4 wrench, hold the hex shaft

769-04179 specifications

The MTD 769-04179 is a powerful and versatile lawn mower designed to meet the needs of homeowners seeking efficiency, durability, and ease of use in lawn care. This model stands out in the competitive market of outdoor power equipment, equipped with a range of features that enhance performance and user experience.

One of the primary characteristics of the MTD 769-04179 is its robust engine. It boasts a reliable gas-powered engine that delivers impressive torque and cutting power. This engine is designed to handle various lawn conditions, making it suitable for small to moderate-sized yards. The mower’s cutting deck typically measures between 20 to 22 inches, allowing users to cover more area with each pass while maintaining precision cutting.

The MTD 769-04179 also integrates advanced cutting technologies. The mower features a 3-in-1 cutting system that allows users to mulch, bag, or side discharge grass clippings based on their preferences and lawn care needs. This capability not only promotes a healthier lawn but also offers flexibility in managing grass waste. The adjustable cutting height is another key attribute, enabling users to select the ideal grass length for their specific lawn type and conditions.

In terms of user comfort and convenience, the MTD 769-04179 is designed with an ergonomic handle, which reduces strain during extended mowing sessions. The 769-04179 model generally includes easy-to-access controls for the engine start, speed adjustments, and cutting height selection, ensuring a seamless user experience.

Durability is also a prominent feature of this lawn mower. The MTD 769-04179 is constructed with high-quality materials that withstand the rigors of regular lawn maintenance. Its sturdy wheels provide excellent traction and maneuverability across different terrains, making it effective on both flat and uneven surfaces.

Maintenance is simplified in the MTD 769-04179, with user-friendly features that include easy access to the spark plug and air filter. This accessibility encourages regular upkeep, ensuring the mower remains in optimal working condition over time.

Overall, the MTD 769-04179 is a reliable choice for homeowners seeking an efficient and easy-to-handle lawn mower. With its powerful engine, versatile cutting options, and user-friendly design, it offers excellent value for those dedicated to maintaining a healthy and beautiful lawn.