MTD 660 thru 679 Lawn Mower Manual

The MTD 660 thru 679 series lawn mowers are designed for efficient grass cutting and yard maintenance. These mowers feature a powerful engine, adjustable cutting heights, and a durable build to withstand various outdoor 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 and Care 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: Powerful engine, adjustable cutting height, ergonomic handle, grass collection bag, and durable wheels.

Feature	Description
Powerful Engine	Ensures efficient cutting and 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 on various terrains.

Installation

Unpack the mower and inspect all components. Ensure the mower is on a stable surface.

Attach the handle: Align and secure the handle to the mower body.
Check oil levels: Ensure the engine oil is filled to the recommended level.
Install the grass collection bag: Attach it securely to the rear of the mower.
Plug in the mower (if electric): Ensure the power source is suitable.

WARNING! Always read the manual before operating the mower. Ensure all safety features are functional.

First-Time Setup

Power on the mower; follow the initial setup instructions.

Check fuel levels: Fill with the appropriate fuel type.
Adjust cutting height: Set to desired level for initial use.
Test operation: Start the mower and ensure all functions work correctly.

CAUTION! Always wear appropriate safety gear when operating the mower.

Specifications

Engine Type: 4-cycle gasoline engine.
Cutting Width: 21 inches.
Cutting Heights: Adjustable from 1 to 4 inches.
Weight: Approximately 70 lbs.
Fuel Capacity: 1.5 gallons.
Deck Material: Steel for durability.
Warranty: 2 years limited warranty.

Controls and Settings

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

Throttle Control: Adjusts engine speed for optimal performance.

Start/Stop Switch: Located on the handle for easy access.

Cutting Height Adjustment: Lever located near the wheels for quick adjustments.

Connecting Devices

For electric models, connect to a suitable power outlet. Ensure the extension cord is rated for outdoor use.

Turn off the mower before connecting to power.
Use a heavy-duty extension cord for distance.
Ensure all connections are secure before starting.

Tip: Always check the power source before operation.

Operating the Mower

Follow these steps for safe and effective mowing.

Start the mower: Engage the throttle and press the start button.
Begin mowing: Move in a straight line, overlapping each pass.
Adjust speed as necessary: Use the throttle control for optimal cutting.
Stop the mower: Release the throttle and turn off the start switch.

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

Maintenance and Care

Regular maintenance ensures longevity and performance.

Clean the mower after each use: Remove grass clippings and debris.
Check oil levels regularly: Change oil as per the manual's recommendations.
Inspect the blade: Sharpen or replace as needed.
Store in a dry place: Protect from weather elements.

CAUTION! Always disconnect the spark plug before performing maintenance.

Safety Information

Read all safety instructions before operating the mower. Wear appropriate safety gear, including eye protection and sturdy footwear.

WARNING! Keep children and pets away from the mowing area.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Mower won't start	No fuel or faulty spark plug	Check fuel levels and replace spark plug if necessary.
Uneven cutting	Blade dull or height adjustment	Sharpen blade and adjust cutting height.
Excessive vibration	Loose parts or damaged blade	Tighten all screws and inspect the blade for damage.
Grass clippings not collected	Clogged bag or improper installation	Clear the bag and ensure it is attached correctly.

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

Service: Contact customer support for further assistance.