Yard-Man E643E, E663H manual Servicing Friction Wheel Rubber

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•Slip belt between friction wheel and friction wheel disc. See Figure 18. Remove and replace belt.

Friction

 

Wheel

 

Drive Plate

 

Stop Bolt

 

Support Bracket

Auger Pulley

Figure 18

•Reassemble following the instructions in reverse order.

NOTE: The support bracket must rest on the stop bolt after the new belt has been assembled. See Figure 18.

Servicing Friction Wheel Rubber

WARNING: Disconnect the spark plug wire and ground it against the engine to prevent unintended starting. Drain fuel into an approved container or place a piece of plastic film underneath the gas cap to prevent gasoline from leaking.

The rubber on the friction wheel is subject to wear and should be checked after 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.

•Tip the snow thrower up and forward, so that it rests on the housing. See Figure 19.

 

Hex Nut and

Chute

Bell Washer

 

Note: The unit is

 

shown resting on

Auger

its auger housing

 

Figure 19

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

•Remove the click pins which secure the wheels, and remove the wheels from the axle.

•Using a 7/8" wrench to hold the shaft, loosen, but do not completely remove, the hex nut and bell washer on the left end of gear shaft. See Figure 18.

•Lightly tap the hex nut to dislodge the ball bearing from the right side of frame before removing the hex nut and bell washer from left end of shaft.

•Move the gear shaft to the right and slide the friction wheel assembly from the shaft.

•Remove the four screws from the friction wheel assembly. Remove the friction wheel rubber from between the friction wheel plates. See Figure 20.

Plates

Bearing

Screws

Hub

Friction Wheel Rubber

Figure 20

•Reassemble new friction wheel rubber to the friction wheel plates and hub, tightening the four screws in rotation and with equal force.

•Position the friction wheel assembly up onto the pin of the shift rod assembly, and slide the shaft through the assembly. Reassemble in reverse order.

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Contents Operator’s Manual Table of Contents Training Important Safe Operation PracticesMaintenance and Storage Assembling Your Snow Thrower Loose PartsTire Pressure Adjustment Chute Clean-Out ToolFinal Adjustments Traction Control and Shift Lever AdjustmentKnow Your Snow Thrower Electric Starter Operating Your Snow ThrowerBefore Starting Gas And Oil Fill-up Starting EngineTo Stop Engine To Engage DriveTo Engage Augers Drift Cutters if so equipped Operating Tips Chute Assembly AdjustmentChute Directional Control Support Bracket Adjustment Traction Control AdjustmentDrive Wheels Shift Rod AdjustmentAuger Control Adjustment Skid ShoesAugers ServiceMaintaining Your Snow Thrower LubricationDrive Belt Belt Removal And ReplacementShave Plate and Skid Shoes Auger BeltServicing Friction Wheel Rubber Off-season Storage Problem Cause Remedy TroubleshootingModel E663H & E643E Parts List Part Description Models E663H & E643E3132 Models E663H & E643E Models E663H & E643E 748-0360 Pulley 26 -0654A Hex Washer Screw 3/8-16 x 629-0071 64 a B 746-0896 Models E663H & E643E Page MTD LLC, P.O. BOX 361131 CLEVELAND, Ohio 44136-0019 Phone MANUFACTURER’S Limited Warranty for

E663H, E643E specifications

Yard-Man is a renowned brand in outdoor power equipment, known for its robust lawn mowers and garden tools tailored for efficiency and performance. Two notable models from their lineup are the Yard-Man E643E and the E663H, both designed to meet the diverse needs of homeowners and garden enthusiasts.

The Yard-Man E643E is a lightweight yet powerful electric lawn mower. It features a 14-inch cutting deck, making it perfect for small to medium-sized yards. The mower is powered by a potent 12-amp electric motor that provides the efficiency of a gas mower without the noise and emissions. One of the standout features of the E643E is its adjustable cutting height, which ranges from 1 inch to 3 inches, allowing users to customize the grass height according to their preferences and seasonal needs. This model is equipped with a rear bagger that collects clippings for easy disposal, ensuring a clean and manicured appearance for your lawn.

On the other hand, the Yard-Man E663H is a self-propelled gas mower built for those who require a more robust solution for larger lawns. It features a 21-inch steel cutting deck, which allows for wider cutting paths, reducing mowing time. The E663H is powered by a reliable Honda engine, known for its durability and efficiency. This model also offers multiple cutting height settings, ensuring versatility in grass management. An ergonomic handle with variable speed control makes it comfortable for users to operate, while the rear-wheel drive enhances traction, especially on uneven terrains.

Both models incorporate innovative technologies that enhance user experience. The E643E’s electric motor ensures quiet operation, making it ideal for residential areas without the disturbance typically associated with gas mowers. The E663H, meanwhile, utilizes a swingback blade system that enhances cutting efficiency and provides a clean cut while reducing the risk of blade damage from obstacles.

In terms of durability, both mowers are constructed with high-quality materials designed to withstand the rigors of landscape maintenance. Easy maintenance features, such as tool-less access to the blade and easy cleaning options, further cement their practicality.

In summary, both the Yard-Man E643E and E663H offer distinct advantages tailored to different user needs. The E643E is perfect for eco-conscious homeowners seeking an electric solution, while the E663H serves those needing a powerful, robust gas mower. Each is designed to make lawn care a hassle-free task, contributing to a healthier and more appealing outdoor space.
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