MTD 133-390 Lawn Mower Manual

The MTD 133-390 is a reliable lawn mower designed for efficient grass cutting with a powerful engine, adjustable cutting heights, 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

The MTD 133-390 lawn mower includes several key features designed for ease of use and efficiency:

Powerful engine for reliable performance.
Adjustable cutting height for customized grass length.
Lightweight design for easy maneuverability.
Ergonomic handle for comfortable operation.
Easy-start mechanism for quick ignition.

Safety Information

Always prioritize safety when operating the lawn mower. Follow these guidelines:

Read the manual thoroughly before use.
Wear appropriate safety gear, including gloves and eye protection.
Keep bystanders and pets at a safe distance while mowing.
Do not operate the mower in wet conditions.
Regularly inspect the mower for any damage or wear.

Operation Instructions

To operate the MTD 133-390 lawn mower, follow these steps:

Check the oil and fuel levels before starting.
Adjust the cutting height as needed.
Start the engine using the easy-start mechanism.
Guide the mower in straight lines for an even cut.
Turn off the engine and disconnect the spark plug before maintenance.

Specifications

Engine Type: 4-stroke gasoline engine.
Cutting Width: 21 inches.
Cutting Height Adjustment: 6 positions (1 inch to 3 inches).
Weight: 55 lbs.
Fuel Capacity: 1.5 quarts.
Blade Type: Rotary blade.
Warranty: 2 years limited warranty.

Maintenance

Regular maintenance is crucial for the longevity of your lawn mower:

Change the oil every 25 hours of operation.
Sharpen the blade at least once per season.
Clean the air filter regularly.
Inspect and replace spark plugs as needed.
Store the mower in a dry place during off-seasons.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel or oil	Check fuel and oil levels; refill if necessary.
Uneven cut	Blade dull or height misadjusted	Sharpen blade and adjust cutting height.
Excessive vibration	Loose parts or damaged blade	Tighten loose parts and inspect blade for damage.
Stalling during operation	Clogged air filter	Clean or replace air filter.

Service: For further assistance, contact MTD customer support.