Yard-Man E663H, E643E manual Drift Cutters if so equipped

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•In a well-ventilated area, start the snow thrower engine as instructed earlier in this section under the heading Starting Engine. Make sure the throttle is set in the FAST position.

•While standing in the operator’s position (behind the snow thrower) engage the auger.

•Allow the auger to remain engaged for approximately ten (10) seconds before releasing the auger control. Repeat this several times.

•With the engine running in the FAST position and the auger control lever in the disengaged “up” position, walk to the front of the machine.

•Confirm that the auger has completely stopped rotating and shows NO signs of motion.

IMPORTANT: If the auger shows ANY signs of rotating, immediately return to the operator’s position and shut off the engine. Wait for all moving parts to stop before readjusting the auger control cable.

•To readjust the control cable, loosen the hex jam nut on the auger control cable “Z” fitting.

•Rotate the coupling end of the cable counterclockwise to provide more slack.

•Retighten the hex jam nut. See Figure 7.

"Z" Fitting

Jam Nut

Make sure cable is straight

Figure 7

•Repeat Auger Control Test to verify proper adjustment has been achieved.

Chute Clean-Out Tool

The chute clean-out tool is conveniently fastened to the rear of the auger housing with a mounting clip. Should snow and ice lodge itself in the discharge chute during operation, proceed as follows to safely clean the chute and chute opening:

•Release both the Auger Control Lever and the Traction/Auger Control Lock Lever.

•Stop the engine by removing the ignition key.

•Remove the clean-out tool from the clip which secures it to the rear of the auger housing.

•Use the shovel-shaped end of the clean-out tool to dislodge and scoop any snow and ice which has formed in and near the discharge chute.

WARNING: Never use your hands to clean snow and ice from the discharge chute or auger housing

•Refasten the clean-out tool to the mounting clip on the rear of the auger housing, reinsert the ignition key and start the snow thrower’s engine.

•While standing in the operator’s position (behind the snow thrower), engage the auger clutch lever for a few seconds to clear any remaining snow and ice from the discharge chute.

Drift Cutters (if so equipped)

Drift cutters should be used when operating the snow thrower in heavy drift conditions.

On models so equipped, drift cutters are assembled to the auger housing inverted, for shipping reasons. Remove the carriage bolts by unthreading the hex nuts which secure them, and reinstall the drift cutters in their proper position before operating the snow thrower. See Figure 8.

If your unit is not equipped with drift cutters, contact Customer Support as instructed on page 2 for information regarding price and availability.

Drift

Cutter

Carriage Screws /

Hex Nuts

Figure 8

Tire Chains (if so equipped)

Tire chains should be used whenever extra traction is needed. If your unit is not equipped with tire chains, contact Customer Support as instructed on page 2 for information regarding price and availability.

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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 Engage Drive To Stop EngineTo 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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