MTD 139-501-000 Lawn Mower Manual

The MTD 139-501-000 is a reliable lawn mower designed for efficient grass cutting and maintenance. This manual provides essential information regarding 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 powerful engine, adjustable cutting height, and easy-start technology. The mower is designed for durability and ease of use.

FeatureDescription
EnginePowerful 139cc engine for efficient cutting
Cutting Height AdjustmentEasy adjustment for various grass lengths
Lightweight DesignEasy to maneuver and transport
Grass CatcherCollects grass clippings for a clean finish
Safety FeaturesIncludes blade brake and safety switch

Safety Information

Always wear appropriate safety gear while operating the mower. Ensure the area is clear of debris and obstacles before starting.

  1. Read the manual thoroughly before use.
  2. Keep hands and feet away from the cutting area.
  3. Do not operate in wet conditions.
  4. Ensure safety features are functional before use.

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

Operation Instructions

To operate the MTD 139-501-000, follow these steps:

  1. Check oil and fuel levels before starting.
  2. Adjust the cutting height as needed.
  3. Start the engine using the recoil starter.
  4. Guide the mower in a straight line for even cutting.

CAUTION! Do not leave the mower unattended while running.

Specifications

Maintenance

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

  1. Check and change the oil regularly.
  2. Clean the air filter every season.
  3. Sharpen the blades at least once a year.
  4. Inspect the mower for loose or damaged parts.

Tip: Store the mower in a dry place during off-seasons.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startNo fuel or faulty spark plugCheck fuel level and replace spark plug if necessary.
Uneven cuttingBlades dull or uneven tire pressureSharpen blades and check tire pressure.
Excessive vibrationLoose parts or damaged bladesTighten loose parts and inspect blades for damage.
Grass clippings not collectedClogged grass catcherEmpty and clean the grass catcher.

Reset: Refer to the manual for reset instructions if applicable.

Service: Contact customer support for further assistance.

MTD 139-501-000 Lawn Mower Manual © - All Rights Reserved 2026