Yard-Man E643E, E663H manual Loose Parts, Assembling Your Snow Thrower

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SECTION 2: LOOSE PARTS

The snow thrower is shipped with following loose parts in the carton. Please remove all loose parts from the carton before discarding it. See Figure 1 to identify the parts noting that these parts may be referred to again in the following sections of this manual. Part numbers are shown in parentheses.

Shear Bolts (710-0890A)

Hex Lock Nuts (712-0429)

Figure 1

AUGER SHEAR BOLTS

The augers are secured to the auger shaft with two shear bolts and hex lock nuts. If you hit a foreign object or ice jam, the snow thrower is designed so that the bolts may shear. Two replacement shear bolts and nuts are provided for your convenience. Store in a safe place until needed.

IMPORTANT: NEVER replace the auger shear bolts with standard hex bolts. Any damage to the auger gearbox or other components as a result of doing so will NOT be covered by your snow thrower’s warranty.

SECTION 3: ASSEMBLING YOUR SNOW THROWER

NOTE: Any reference in this manual to the left or right side of the snow thrower is observed from the operator’s position.

IMPORTANT: Make any final adjustments as instructed later on in this section BEFORE operating your snow thrower.

WARNING: Disconnect the spark plug wire and ground it against the engine to prevent unintended starting.

•Remove the lower two plastic wing knobs, cupped washers and carriage bolts from the lower handle. See Figure 2.

Wing Knobs,

Washers and Bolts

Figure 2

•Raise the upper handle assembly until it locks over the lower handle. See Figure 2 and Figure 3.

•Look at the lower rear of snow thrower frame to be sure both cables are aligned with roller guides.

•Secure the upper handle and lower handle with the two plastic wing knobs, cupped washers and carriage bolts previously removed. See Figure 3.

Connector

Wing Knobs

Figure 3

•Slide the shift rod connector down over the end of the lower shift rod. See Figure 3. Tap the connector until it locks on the lower shift rod.

NOTE: If the connector is not properly assembled, the shift rod will pivot and you will not be able to change speeds or change directions.

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Contents Operator’s Manual Table of Contents Training Important Safe Operation PracticesMaintenance and Storage Assembling Your Snow Thrower Loose PartsFinal Adjustments Chute Clean-Out ToolTraction Control and Shift Lever Adjustment Tire Pressure AdjustmentKnow Your Snow Thrower Before Starting Gas And Oil Fill-up Operating Your Snow ThrowerStarting Engine Electric StarterTo Engage Augers To Stop EngineTo Engage Drive Drift Cutters if so equipped Chute Directional Control Support Bracket Adjustment Chute Assembly AdjustmentTraction Control Adjustment Operating TipsAuger Control Adjustment Shift Rod AdjustmentSkid Shoes Drive WheelsMaintaining Your Snow Thrower ServiceLubrication AugersShave Plate and Skid Shoes Belt Removal And ReplacementAuger Belt Drive 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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