MTD 133-502A Lawn Mower Manual

The MTD 133-502A is a reliable lawn mower designed for efficient grass cutting and maintenance. It features a powerful engine, adjustable cutting heights, and a user-friendly design that makes mowing your lawn a breeze. Below are key sections for safety, features, installation, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating the Mower 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: 21-inch cutting deck, adjustable height settings, ergonomic handle, and easy-start engine.

Feature	Description
Cutting Deck	21 inches wide for efficient mowing
Height Adjustment	5 height settings for customized cutting
Engine	Powerful 140cc engine for reliable performance
Ergonomic Handle	Comfortable grip for ease of use
Grass Bag	Large capacity for less frequent emptying

Installation

Unpack the mower and ensure all parts are included. Follow these steps to assemble:

Attach the handle to the mower body using the provided screws.
Install the grass bag by securing it to the rear of the mower.
Check oil levels and fill if necessary.
Ensure the cutting blade is properly installed and secured.

WARNING! Always wear gloves when handling the blade to avoid injury.

First-Time Setup

Before starting the mower, ensure the following:

Fill the fuel tank with fresh gasoline.
Check the oil level and add oil if necessary.
Adjust the cutting height to your desired setting.
Ensure the safety features are functioning properly.

CAUTION! Do not start the mower without checking all safety features.

Specifications

Engine: 140cc 4-stroke engine.
Cutting Width: 21 inches.
Height Adjustment: 5 positions (1.5" to 4").
Weight: 60 lbs.
Fuel Capacity: 1.5 quarts.
Grass Bag Capacity: 1.5 bushels.
Starting System: Recoil start.

Controls and Settings

The mower features an easy-to-use control panel located on the handle:

Throttle Control: Adjusts engine speed.
Start/Stop Switch: Turns the mower on and off.
Height Adjustment Lever: Changes cutting height.

Connecting Devices

This section is not applicable for lawn mowers.

Operating the Mower

To operate the mower:

Start the engine using the recoil starter.
Adjust the throttle for desired speed.
Guide the mower in straight lines for even cutting.
Empty the grass bag when full.

WARNING! Do not operate on wet grass to avoid slipping.

Maintenance

Regular maintenance is essential for optimal performance:

Check and change the oil every 25 hours of operation.
Sharpen the blade at least once a season.
Clean the air filter regularly.
Inspect the mower for any loose or damaged parts.

Safety Information

Always follow safety precautions while operating the mower:

Wear appropriate footwear and eye protection.
Keep children and pets away from the mowing area.
Do not operate the mower in reverse unless necessary.
Read the manual thoroughly before use.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel or faulty spark plug	Check fuel level and replace spark plug if necessary.
Uneven cutting	Blade dull or height adjustment	Sharpen the blade and check height settings.
Excessive vibration	Loose parts or unbalanced blade	Tighten loose parts and balance the blade.
Grass bag not filling	Clogged chute	Clear any debris from the chute.

Service: For further assistance, contact MTD customer service.