MTD 670 Lawn Mower Manual

The MTD 670 Lawn Mower is a reliable and efficient machine designed for residential lawn care. It features a powerful engine, adjustable cutting heights, and a durable build to ensure longevity and performance. 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 catcher, and durable wheels.

Feature	Description
Engine	Powerful engine for efficient cutting
Cutting Height Adjustment	Multiple settings for desired grass length
Grass Catcher	Collects grass clippings for easy disposal
Ergonomic Handle	Comfortable grip for extended use
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 catcher: Follow the instructions for proper attachment.
Check oil and fuel levels before starting.

WARNING! Ensure all parts are securely attached before operation.

First-Time Setup

Prepare the mower for first use by following these steps.

Fill the fuel tank with the recommended gasoline.
Check the oil level and fill if necessary.
Adjust the cutting height to your preference.
Start the mower following the starting instructions.

CAUTION! Read all safety instructions before operating the mower.

Specifications

Engine Type: 4-cycle gas engine.
Cutting Width: 21 inches.
Cutting Heights: Adjustable from 1 to 4 inches.
Grass Catcher Capacity: 2.5 bushels.
Weight: 60 lbs.
Power Source: Gasoline.
Warranty: 2 years limited warranty.

Controls and Settings

Access controls on the handle for starting, stopping, and adjusting speed.

Throttle Control: Adjusts engine speed.

Start/Stop Switch: For powering the mower on and off.

Connecting Devices

No external devices are required for operation.

Operating the Mower

Follow these steps to operate the mower effectively.

Start the mower using the start switch.
Adjust the throttle for desired speed.
Guide the mower in straight lines for an even cut.
Empty the grass catcher as needed.

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

Maintenance

Regular maintenance is essential for optimal performance.

Check and change the oil regularly.
Clean the air filter as needed.
Sharpen the blades at the beginning of each season.
Inspect the mower for any loose parts or damage.

Safety Information

Always follow safety guidelines when operating the mower.

Wear appropriate footwear and eye protection.
Keep bystanders away from the mowing area.
Do not operate under the influence of alcohol or drugs.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Mower won't start	No fuel or oil	Check fuel and oil levels; refill if necessary.
Uneven cut	Blades dull or height adjustment	Sharpen blades; adjust cutting height.
Grass clippings not collected	Clogged grass catcher	Empty and clean the grass catcher.
Excessive vibration	Loose parts or damaged blades	Inspect and tighten all parts; replace damaged blades.

Service: Contact MTD customer service for assistance.