Yard Machines 21A-120R000 User Manual

Operator’s Manual
Front Tine
Cultivator
Model
21A-120R000
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrestor for the muffler is available through your nearest engine authorized
service dealer or contact the service department, 550 N. 54th Street, Chandler, Arizona 85226-2434.
MTD SOUTHWEST INC 550 N. 54TH STREET, CHANDLER, ARIZONA 85226-2434
PRINTED IN U.S.A. FORM NO. 770-10456
PART NO. 10120 rev. A (11/00)

Yard Machines 21A-120R000 Specifications

General

Engine Type	4-cycle
Tilling Width	12 inches
Tilling Depth	7 inches
Tine Location	Rear
Forward Rotations	Yes
Reverse Rotations	No
Engine	Briggs & Stratton

Summary

Finding Model Number

Customer Support Contact

How to contact customer support for assistance with your cultivator.

Important Safe Operation Practices

General Operation Guidelines

General guidelines for operating the cultivator safely and effectively.

Child Safety Precautions

Safety precautions regarding children around the operating area.

Service and Fuel Safety

Important service and safety information regarding fuel, parts, and maintenance.

Assembling Your Cultivator

Unpacking the Cultivator

Instructions for unpacking the cultivator from its carton safely.

Installing Wheel Bracket Assembly

Steps to install the wheel bracket assembly for setup.

Installing The Handlebar

Detailed steps for installing the handlebar onto the cultivator.

Throttle Cable Assembly

Instructions for assembling and routing the throttle cable.

Know Your Cultivator

Cultivator Applications

Explains the intended uses and applications of the cultivator.

Controls and Components

Identifies and describes key controls like throttle, choke, primer, and main components.

Tine Functionality

Description of the tines and their purpose in cultivation.

Operating Your Cultivator

Fuel and Oil Mixing

Instructions for correctly mixing fuel and oil for the engine.

Starting and Stopping the Engine

Step-by-step guides for starting and safely stopping the cultivator engine.

Cultivator Operation and Adjustment

How to use the cultivator, adjust tines, and transport it safely.

Making Adjustments

Wheel and Idle Speed Adjustments

How to adjust wheel height and engine idle speed for proper operation.

Fuel Mixture and Air Filter Maintenance

Procedures for checking fuel, cleaning the air filter, and carburetor basics.

Maintaining Your Cultivator

Maintenance Schedule and Lubrication

Overview of the maintenance schedule and gearbox lubrication.

Air Filter Maintenance Procedure

Detailed steps for cleaning and oiling the air filter for optimal performance.

Spark Plug Replacement

Procedure for replacing the spark plug, including gap setting.

Tine Removal and Replacement

Instructions for safely removing and replacing the cultivator tines.

Off Season Storage

Storage Preparation Procedure

Steps for preparing the cultivator for extended off-season storage.

Trouble Shooting Guide

Common Engine and Cultivator Issues

Guide to diagnosing and correcting common engine and cultivator problems.

Manufacturer's Limited Warranty

Obtaining Warranty Service

How to obtain warranty service and contact MTD Customer Service.