Lawn-Boy 10646 Lawn Mower Manual

The Lawn-Boy 10646 is a reliable self-propelled lawn mower designed for efficient grass cutting. It features a powerful engine, adjustable cutting heights, and a durable steel deck. This manual provides essential information on safety, operation, maintenance, and troubleshooting to ensure optimal performance.

1. Features at a Glance 2. Safety Information 3. Assembly Instructions 4. Specifications 5. Operating Instructions 6. Maintenance 7. Troubleshooting 8. Warranty Information

Features at a Glance

Key features include a 21-inch cutting deck, 3-in-1 capability (mulch, bag, side discharge), and a powerful 6.75 ft-lbs engine.

Feature	Description
Self-Propelled	Easy maneuverability with variable speed control.
Adjustable Cutting Heights	Seven height positions for customized grass length.
Durable Steel Deck	Long-lasting construction for rugged use.
Ergonomic Handle	Comfortable grip for reduced fatigue during operation.
Easy Start System	Quick and reliable starting mechanism.

Safety Information

Always wear appropriate safety gear, including eye protection and sturdy footwear. Read the manual thoroughly before operating the mower.

WARNING! Keep hands and feet away from the cutting blade during operation.

Assembly Instructions

Follow these steps to assemble your Lawn-Boy 10646:

Attach the handle to the mower body using the provided bolts.
Install the grass bag by aligning it with the frame and securing it.
Check oil levels and add fuel before starting the mower.

Specifications

Engine: 6.75 ft-lbs gross torque.
Cutting Width: 21 inches.
Cutting Heights: 1.25 to 4 inches (7 positions).
Weight: Approximately 70 lbs.
Fuel Type: Unleaded gasoline.
Deck Material: Steel.

Operating Instructions

To operate the mower, ensure it is on a flat surface, pull the starter cord, and adjust the speed as needed.

Set the desired cutting height.
Start the engine and engage the self-propelled feature.
Guide the mower in straight lines for an even cut.

Maintenance

Regular maintenance is crucial for optimal performance. Follow these guidelines:

Check and change the oil regularly.
Sharpen the blade at least once a season.
Clean the mower deck after each use.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Mower won't start	Fuel or battery issue	Check fuel level and battery charge.
Uneven cut	Blade dull or height adjustment	Sharpen blade and adjust cutting height.
Excessive vibration	Loose parts or damaged blade	Tighten all screws and inspect the blade.

Warranty Information

This product is covered by a limited warranty. For details, please refer to the warranty card included with your mower.