MTD 138-796A Lawn Mower Manual

The MTD 138-796A is a reliable lawn mower designed for efficient grass cutting. It features a powerful engine, adjustable cutting heights, and a durable build to handle 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, grass collection bag.

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

Installation

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

Attach the handle: Align and secure with provided bolts.
Install the grass collection bag: Ensure it fits securely.
Check oil and fuel levels before starting.
Ensure all parts are tightened and secure.

WARNING! Read the manual thoroughly before operation. Ensure safety gear is worn.

First-Time Setup

Prepare the mower for first use by following these steps.

Fill the fuel tank with the recommended fuel type.
Check and fill the oil level as needed.
Set the cutting height according to your lawn's needs.
Perform a test run to ensure everything is functioning properly.

CAUTION! Ensure the area is clear of obstacles before starting the mower.

Specifications

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

Controls and Settings

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

Controls: Throttle control, cutting height adjustment lever, start/stop switch.

Safety features include a blade brake and safety key to prevent accidental starts.

Connecting Devices

Ensure all attachments are securely connected before operation.

Attach the grass collection bag securely.
Check that all safety features are engaged.
Ensure the throttle is set to the desired speed before starting.

Tip: Regularly check connections for wear and tear.

Operating the Mower

Follow these steps to operate the mower effectively.

Start the engine: Engage the start/stop switch.
Adjust the throttle to the desired speed.
Begin mowing in a straight line for even cutting.
Empty the grass collection bag as needed.

WARNING! Keep hands and feet away from the blades while operating.

Maintenance

Regular maintenance is essential for optimal performance.

Check and change the oil regularly.
Clean the air filter and replace if necessary.
Sharpen the blades at the beginning of each season.
Inspect the mower for any loose or damaged parts.

CAUTION! Always disconnect the spark plug before performing maintenance.

Safety Information

Read all safety instructions before using the mower.

Wear appropriate safety gear (gloves, goggles).
Keep children and pets away from the mowing area.
Do not operate in wet conditions.
Always follow the manufacturer's instructions.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel or faulty spark plug	Check fuel level; replace spark plug if necessary.
Uneven cutting	Blades dull or height adjustment	Sharpen blades; adjust cutting height.
Grass clippings not collected	Bag full or clogged	Empty bag; check for clogs in the chute.
Excessive vibration	Loose parts or damaged blades	Tighten all screws; inspect blades for damage.

Service: For further assistance, contact MTD customer service.