MTD 135-520A Lawn Mower Manual

The MTD 135-520A 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 135-520A lawn mower comes equipped with several features to enhance your mowing experience:

Powerful 135cc engine for efficient cutting.
Adjustable cutting height for customized lawn care.
Lightweight design for easy maneuverability.
Durable steel deck for long-lasting performance.
Ergonomic handle for comfortable operation.

Safety Information

Always prioritize safety when operating the lawn mower:

Read the manual thoroughly before use.
Wear appropriate safety gear, including gloves and goggles.
Keep bystanders and pets at a safe distance while mowing.
Do not operate the mower in wet conditions.
Ensure all safety guards are in place before starting.

Operation Instructions

Follow these steps for proper operation of the MTD 135-520A:

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

Specifications

Engine Type: 135cc 4-stroke engine.
Cutting Width: 21 inches.
Cutting Heights: 1 inch to 3.5 inches (5 positions).
Weight: 60 lbs.
Fuel Capacity: 1.5 quarts.
Deck Material: Steel.

Maintenance

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

Change the oil every 25 hours of operation.
Clean or replace the air filter as needed.
Sharpen the blades at the beginning of each season.
Inspect the mower for loose or damaged parts regularly.
Store the mower in a dry place during off-seasons.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel or clogged filter	Check fuel level and replace filter if necessary.
Uneven cut	Dull blades or uneven tire pressure	Sharpen blades and check tire pressure.
Excessive vibration	Loose parts or damaged blades	Tighten loose parts and inspect blades for damage.
Smoke from engine	Overfilled oil or clogged air filter	Drain excess oil and clean or replace air filter.

Service: For further assistance, contact MTD customer support.