Yard-Man E663H, E643E manual Chute Clean-Out Tool, Final Adjustments, Tire Pressure Adjustment

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Attaching Chute Directional Control

For packaging purposes, the two-piece chute directional control was attached to the snow thrower on the two ends, but was kept loose at the middle. Assemble as follows:

•Remove the hairpin clip from the chute directional control. Align holes on the upper and lower pieces of the chute directional control before reinserting the hairpin clip. See Figure 4.

Hairpin Clip

Figure 4

•If not already attached, slip the cables that run from the handle panel to the chute into the cable guide located on top of the engine. See Figure 5.

Cable Guide

Figure 5

•Unwrap the headlight wire which is attached to the headlight, beneath the handle panel. Wind the headlight wire around the right handle until excess slack is removed.

•Plug the headlight wire into the wire lead found on the right side of the engine, beneath the fuel tank.

Chute Clean-Out Tool

•This tool is fastened with a cable tie to the rear of the auger housing for shipping purposes. Cut the cable tie and remove tool before operating the snow thrower.

Final Adjustments

Traction Control and Shift Lever Adjustment

To check the adjustment of the traction control and shift lever, proceed as follows:

•Move the shift lever into sixth (6) position.

a.With the traction control (refer to Figure 6) released, gently push the snow thrower forward, then pull it back. Disregarding the overall weight of the snow thrower, the machine should otherwise move freely.

b.Engage the traction control, and attempt to move the machine both forward and rearward. You should experience resistance as the wheels should not be turning.

•Move the shift lever into the fast reverse (R2)

position and repeat the previous steps (a & b).

If you experienced resistance either when repositioning the shift lever from 6 to R2 or when attempting to move the machine forward or rearward with the traction control released, your snow thrower’s traction control is in need of adjustment and you should NOT operate the machine before completing the adjustment as follows:

•Loosen the jam nut on the traction control cable and UNTHREAD the cable one full turn.

•Recheck the adjustment.

•Retighten the jam nut to secure the cable when

correct adjustment is reached.

If the machine can be moved freely both forward and rearward when the traction control fully depressed, proceed as follows:

•Loosen the jam nut on the traction drive cable and THREAD the cable in one full turn.

•Recheck the adjustment and repeat as necessary.

•Retighten the jam nut to secure the cable when correct adjustment is reached.

If you are unsure that you have reached the correct adjustment, refer to Traction Control Adjustment on page. 11 of this manual.

Tire Pressure Adjustment

The tires are over-inflated for shipping purposes. Check tire pressure and reduce to between 15 psi and 20 psi.

NOTE: If the tire pressure is not equal in both tires, the unit may pull to one side or the other.

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Contents Operator’s Manual Table of Contents Important Safe Operation Practices TrainingMaintenance and Storage Loose Parts Assembling Your Snow ThrowerTraction Control and Shift Lever Adjustment Chute Clean-Out ToolFinal Adjustments Tire Pressure AdjustmentKnow Your Snow Thrower Starting Engine Operating Your Snow ThrowerBefore Starting Gas And Oil Fill-up Electric StarterTo Stop Engine To Engage DriveTo Engage Augers Drift Cutters if so equipped Traction Control Adjustment Chute Assembly AdjustmentChute Directional Control Support Bracket Adjustment Operating TipsSkid Shoes Shift Rod AdjustmentAuger Control Adjustment Drive WheelsLubrication ServiceMaintaining Your Snow Thrower AugersAuger Belt Belt Removal And ReplacementShave Plate and Skid Shoes Drive BeltServicing Friction Wheel Rubber Off-season Storage Troubleshooting Problem Cause RemedyModel E663H & E643E Parts List Models E663H & E643E Part Description3132 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 MANUFACTURER’S Limited Warranty for MTD LLC, P.O. BOX 361131 CLEVELAND, Ohio 44136-0019 Phone

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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