MTD 120-440R000 Lawn Mower Manual

The MTD 120-440R000 is a reliable lawn mower designed for efficient grass cutting with a powerful engine, adjustable cutting height, and user-friendly controls. This manual provides essential information on safety, features, operation, maintenance, and troubleshooting to ensure optimal performance.

1. Features at a Glance 2. Safety Information 3. Operation Instructions 4. Specifications 5. Maintenance 6. Troubleshooting

Features at a Glance

Key features include a durable steel deck, adjustable cutting heights, and an ergonomic handle for comfortable operation.

Feature	Description
Engine	Powerful 140cc engine for efficient cutting
Cutting Height Adjustment	5-position height adjustment for customized grass length
Grass Bag	Large capacity grass bag for easy collection
Ergonomic Handle	Comfortable grip for reduced fatigue during use
Safety Features	Blade brake and safety switch for user protection

Safety Information

Read all safety instructions before operating the mower. Always wear appropriate footwear and eye protection.

Keep hands and feet away from the cutting area.
Do not operate the mower in wet conditions.
Ensure all safety guards are in place before use.

WARNING! Failure to follow safety instructions may result in serious injury.

Operation Instructions

To start the mower, ensure the safety switch is engaged and pull the starter cord firmly.

Adjust the cutting height as needed.
Begin mowing by pushing the mower forward.
Empty the grass bag when full to maintain performance.

CAUTION! Always check the area for obstacles before mowing.

Specifications

Engine Type: 140cc 4-stroke engine.
Cutting Width: 21 inches.
Cutting Heights: 1.5 to 4 inches.
Grass Bag Capacity: 1.5 bushels.
Weight: 60 lbs.
Fuel Type: Unleaded gasoline.
Operating Temperature: 32°F to 100°F.

Maintenance

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

Check oil level before each use.
Clean the air filter regularly.
Sharpen the blade at least once a season.

Tip: Store the mower in a dry place to prevent rust.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel issue	Check fuel level and quality; ensure choke is set correctly.
Uneven cut	Blade dull	Sharpen or replace the blade.
Grass clippings not bagging	Clogged chute	Clear any debris from the discharge chute.
Excessive vibration	Loose parts	Check and tighten all screws and bolts.

Service: For further assistance, contact MTD customer support.