MTD 133-390A Lawn Mower Manual

The MTD 133-390A is a reliable lawn mower designed for efficient grass cutting. It features a powerful engine, adjustable cutting heights, and a durable build, making it suitable for residential lawns. 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: Powerful engine, adjustable cutting height, ergonomic handle, grass catcher, and durable wheels.

Feature	Description
Powerful Engine	Provides efficient cutting performance.
Adjustable Cutting Height	Allows customization of grass length.
Ergonomic Handle	Designed for comfort during operation.
Grass Catcher	Collects grass clippings for easy disposal.
Durable Wheels	Ensures smooth maneuverability on various terrains.

Installation

Unpack and inspect contents. Assemble the mower according to the instructions provided.

Attach the handle: Align and secure the handle to the mower body.
Install the grass catcher: Ensure it is properly fitted to the rear of the mower.
Check oil and fuel levels: Fill as necessary before starting.

WARNING! Ensure all components are securely attached before use.

First-Time Setup

Prepare the mower for operation by following these steps.

Check all fluid levels: Oil and fuel should be at recommended levels.
Adjust cutting height: Set to desired level based on grass length.
Familiarize with controls: Understand the throttle, choke, and start mechanisms.

CAUTION! Read the manual thoroughly before operating the mower.

Specifications

Engine Type: 4-cycle, gas-powered.
Cutting Width: 21 inches.
Cutting Heights: Adjustable from 1 to 4 inches.
Weight: Approximately 60 lbs.
Fuel Capacity: 1.5 quarts.
Oil Capacity: 0.5 quarts.
Warranty: 2 years limited warranty.

Controls and Settings

Familiarize yourself with the mower's controls for optimal operation.

Throttle Control: Adjusts engine speed.

Choke: Used for starting the engine in cold conditions.

Start Button: Engages the engine for operation.

Connecting Devices

Ensure all attachments are properly connected before use.

Check that the grass catcher is securely attached.
Ensure the handle is firmly fixed to the mower body.

Tip: Always inspect the mower before each use for safety.

Operating the Mower

Follow these steps to operate the mower effectively.

Start the engine: Engage the start button while holding the handle.
Adjust throttle: Set to desired speed for mowing.
Begin mowing: Move the mower in straight lines for even cutting.

WARNING! Keep hands and feet away from the cutting blade.

Maintenance

Regular maintenance is essential for optimal performance.

Check oil levels regularly and change as needed.
Clean the mower after each use to prevent grass buildup.
Inspect the blade for sharpness and replace if necessary.

CAUTION! Always disconnect the spark plug before performing maintenance.

Safety Information

Read all safety instructions before operating the mower.

Wear appropriate footwear and eye protection.
Keep children and pets away from the mowing area.
Do not operate in wet conditions.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel or battery issue	Check fuel levels and battery charge.
Uneven cutting	Blade dull or height adjustment	Sharpen blade and adjust cutting height.
Excessive vibration	Loose parts or damaged blade	Tighten loose parts and inspect blade.

Service: For further assistance, contact MTD customer support.