MTD 112-638A Lawn Mower Manual

The MTD 112-638A is a reliable lawn mower designed for efficient grass cutting and maintenance. This manual provides essential information on safety, features, operation, maintenance, and troubleshooting to ensure optimal performance of your lawn mower.

1. Features at a Glance 2. Safety Information 3. Operation Instructions 4. Specifications 5. Maintenance 6. Troubleshooting

Features at a Glance

The MTD 112-638A lawn mower comes equipped with a powerful engine, adjustable cutting heights, and a durable steel deck. It is designed for easy maneuverability and efficient grass collection.

Feature	Description
Engine	Powerful 140cc engine for reliable performance
Cutting Width	21 inches for efficient mowing
Cutting Heights	Adjustable from 1 to 3 inches
Deck Material	Durable steel for longevity
Grass Collection	Large capacity bag for less frequent emptying

Safety Information

Always wear appropriate safety gear when operating the lawn mower. Ensure the area is clear of debris and obstacles before mowing. Follow all safety instructions outlined in this manual.

Operation Instructions

To operate the MTD 112-638A, follow these steps:

Check oil and fuel levels before starting.
Adjust the cutting height as needed.
Start the engine using the recoil starter.
Begin mowing, ensuring to maintain a steady pace.

WARNING! Do not operate the mower on wet grass or slopes greater than 15 degrees.

Specifications

Engine Type: 140cc 4-stroke
Cutting Width: 21 inches
Weight: 60 lbs
Fuel Capacity: 1.5 quarts
Deck Material: Steel
Height Adjustment: 6 positions

Maintenance

Regular maintenance is essential for the longevity of your lawn mower. Follow these guidelines:

Change the oil every 25 hours of operation.
Clean or replace the air filter as needed.
Sharpen the blades at the beginning of each season.
Inspect and replace spark plugs annually.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel	Check fuel level and fill if necessary.
Uneven cutting	Blades dull	Sharpen or replace blades.
Excessive vibration	Loose parts	Tighten all screws and bolts.
Grass clippings not collected	Bag full	Empty the grass collection bag.

Service: For further assistance, contact MTD customer support.