Yard Machines 400 SERIES User Manual

OIIII11/A°S
AMERICAN _ AMERICAN
M A D E 0 WNED
OUTDOOR POWER EQUIPMENT
IMPORTANT! Record the exact Model No.
and Serial No. which appear on the upper portion of
rear frame of your unit in the space below. You must
have these numbers, along with the date of
_urchase, in order to receive warranty or service.
MEETS ANSI SAFETY STANDARDS
MODEL NO. SERIAL NO.
131-i-]411I I I I I IIIII1111111
FRONT ENGINE
LAWN TRACTORS
Model 400 Series
Lawn Tractors
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 arrester for the muffler is avail-
able through your nearest engine authorized service dealer or contact the service department, P.O. Box 368022,
Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC • P.O. BOX 368022 • CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A. FORM NO. 770-7631L

Yard Machines 400 SERIES Specifications

General

Engine	140cc
Mulching	Yes
Side Discharge	Yes
Rear Bag	Yes
Bagging Capability	Yes
Mulching Capability	Yes
Side Discharge Capability	Yes
Cutting Height	1.25 - 3.75 in
Wheel Size	7 in (front) / 8 in (rear)
Engine Type	Gasoline

Summary

Safe Operation Practices

General, Slope, and Child Safety

Covers safe operation, slope handling, and precautions regarding children.

Service and Unpacking

Unpacking Instructions

Steps to safely remove the unit from the crate and prepare it for assembly.

Battery Information

Assembly Tools and Charging

List of tools and instructions for activating and charging the battery.

Assembly Procedures

Steering, Seat, and Tire Pressure

Attaching steering wheel, adjusting seat, and setting tire pressure.

Battery Installation and Controls

Battery Connection and Control Operation

Connecting battery cables and operating throttle, choke, and speed controls.

Control Features and Cutting

Ignition, Shifting, Brakes, and Deck

Operating ignition, gears, brakes, and deck lift/engagement.

Operating the Tractor

Starting, Stopping, and Operation

Procedures for starting, stopping, and safely operating the tractor.

Adjustments

Seat, Deck, and Speed Control

Adjusting seat, leveling deck, and setting speed control for optimal performance.

Adjustment Procedures

Neutral and Deck Engagement

Setting transmission to neutral and adjusting cutting deck engagement.

Wheel and Carburetor Adjustments

Wheel Alignment and Carburetor Tuning

Adjusting front wheel alignment and tuning the carburetor for performance.

Brake Adjustment and Lubrication

Brake Adjustment and Lubrication Schedule

Adjusting the brake and lubricating key points like steering and wheels.

Blade and Belt Service

Blade Sharpening and Belt Replacement

Sharpening the blade and replacing the deck belt.

Drive Belt and Battery Care

Drive Belt Replacement and Battery Maintenance

Replacing drive belts and checking battery fluid levels.

Battery Charging and Storage

Jump Start, Cleaning, and Storage

Safe jump starting, battery cleaning, and preparation for off-season storage.

Optional Accessories

Grass Collector Information

Details on the optional grass collector model and its mounting kit.

Troubleshooting Guide

Engine and Performance Issues

Diagnosing and correcting engine starting, performance, and cutting problems.

Slope Gauge

Determining Safe Slope Operation

Using the slope gauge to identify and avoid operating on inclines exceeding 15 degrees.