MTD 139-496A Lawn Mower Manual

The MTD 139-496A is a reliable lawn mower designed for efficient grass cutting and maintenance. It features a powerful engine, adjustable cutting heights, and a durable build to withstand various lawn conditions. Below are key sections for safety, features, installation, setup, 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, durable wheels, and grass collection bag.

Feature	Description
Engine	Powerful engine for efficient grass cutting
Cutting Height Adjustment	Multiple settings for desired grass length
Grass Collection Bag	Collects clippings for easy disposal
Ergonomic Handle	Comfortable grip for ease of use
Durable Wheels	Designed for smooth maneuverability

Installation

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

Attach the handle: Align and secure the handle to the mower body.
Install the grass collection bag: Ensure it is properly attached.
Check oil and fuel levels before starting.
Plug in or charge battery if applicable.

WARNING! Ensure all parts are securely attached before use.

First-Time Setup

Power on the mower; follow the setup instructions.

Check oil level: Ensure it is at the recommended level.
Fill fuel tank: Use the appropriate fuel type.
Adjust cutting height: Set to desired level for first use.
Test the mower: Start and run briefly to ensure functionality.

CAUTION! Always read the manual before operating.

Specifications

Engine Type: Gasoline engine.
Cutting Width: 21 inches.
Cutting Height: Adjustable from 1 to 4 inches.
Weight: Approximately 60 lbs.
Fuel Capacity: 1.5 gallons.
Deck Material: Steel.
Warranty: 2 years limited warranty.

Controls and Settings

Access controls via the handle: throttle, start/stop lever, and cutting height adjustment.

Throttle: Adjusts engine speed for different mowing conditions.

Start/Stop Lever: Used to start and stop the mower.

Connecting Devices

Ensure all connections are secure before starting the mower.

Check fuel and oil levels before connecting any electrical components.
Ensure battery is charged if applicable.
Follow safety guidelines for electrical connections.

Tip: Always disconnect the spark plug before performing maintenance.

Operating the Mower

Follow these steps to operate the mower safely and effectively.

Start the mower: Engage the start lever and pull the starter cord.
Adjust speed: Use the throttle to set the desired speed.
Mow: Move the mower in straight lines for even cutting.
Stop: Release the start lever to stop the mower.

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

Maintenance

Regular maintenance is essential for optimal performance.

Check oil level regularly and change as needed.
Clean the mower deck after each use.
Inspect and replace the air filter as necessary.
Sharpen the blades at least once a season.

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 on wet grass to avoid slipping.
Always check for obstacles before mowing.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Mower won't start	No fuel or oil	Check fuel and oil levels; refill if necessary.
Uneven cutting	Blades dull or height adjustment	Sharpen blades; adjust cutting height.
Excessive vibration	Loose parts or debris	Check for loose screws; clean debris from mower.
Grass clippings not collected	Bag full or clogged	Empty bag; check for clogs in the chute.

Service: For further assistance, contact MTD customer support.