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Toro 74920 TITAN ZX4820 User Manual

Toro 74920 TITAN ZX4820
60 pages
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FormNo.3375-781RevA
TITANZX4820orZX5420
Zero-Turn-RadiusRidingMower
ModelNo.74920—SerialNo.313000001andUp
ModelNo.74924—SerialNo.313000001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3375-781*A

Table of Contents

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Toro 74920 TITAN ZX4820 Specifications

General IconGeneral
TransmissionHydrostatic
Deck TypeFabricated
Cutting Width48 inches
Height Adjustment1.5"- 4.5" (3.8 - 11.4 cm)
Deck Wash PortStandard
Forward Ground Speed7 mph
Reverse Ground Speed3 mph
SeatHigh-back
Steering ControlsDual levers
Speed7 mph
Warranty3 years

Summary

Introduction

Safety

Safe Operation Practices

General safety rules for operating ride-on rotary lawnmowers.

Operator Training and Preparation

Emphasizes operator instruction, familiarization, and pre-operation checks.

Safe Operation Guidelines

Provides guidelines for safe machine operation, including turns and slopes.

Toro Riding Mower Safety

Specific safety information relevant to Toro riding mower products.

Safe Operation on Slopes

Precautions and guidelines for safe operation of the machine on slopes.

Using the Rollover Protection System (ROPS)

Instructions and safety precautions for using the ROPS.

Battery Symbols

Explains the meaning of various symbols found on the battery.

Slope Indicator

Safety and Instructional Decals

Product Overview

Controls

Engine and Ignition Controls

Covers ignition switch, throttle, and choke operations.

Blade and Motion Controls

Details PTO switch and motion control lever operations.

Parking Brake and Deck Lift System

Explains operation of the parking brake and deck lift system.

Height-of-Cut Lever and Attachments

Covers height adjustment and information on attachments.

Operation

Safe Operation Introduction and ROPS Use

General operating safety and instructions for ROPS usage.

Adding Fuel Safely

Instructions and safety precautions for adding fuel to the machine.

Fueling Procedures and Fuel Gauge

Steps for filling the fuel tank and using the fuel gauge.

Engine Controls and Checks

Covers checking oil, operating brake, throttle, choke, and ignition.

Starting and Stopping the Engine

Comprehensive guide to starting and stopping the engine.

Stopping the Engine and Blade Control

Procedures for stopping the engine and operating the blade control switch.

Safety Interlock System Overview

Explains the function and importance of safety interlock switches.

Safety Interlock System Testing

Procedure to verify the proper operation of safety interlocks.

Driving Forward and Backward

Instructions for controlling the machine's movement.

Stopping the Machine

Procedures for safely stopping the machine.

Deck Height Adjustment and Lift System

How to adjust cutting height and operate the deck lift system.

Deck Height and Lock Position Adjustment

Detailed steps for adjusting cutting height and using lock positions.

Adjusting Controls and Seat Position

Adjusting control levers, seat, and preparing to push the machine.

48-Inch Mower Side Discharge Conversion

Steps to convert the 48-inch mower deck for side discharge.

54-Inch Mower Side Discharge Conversion

Steps to convert the 54-inch mower deck for side discharge.

Baffle Removal for 54-Inch Conversion

Procedure for removing baffles during the 54-inch mower conversion.

Using the Side Discharge

How to use the grass deflector for side discharge.

Operating Tips

Advice for optimal performance and mowing techniques.

Mowing Best Practices

Guidance on throttle, cutting intervals, direction, and grass length.

Operational Tips and Blade Maintenance

Tips on stopping, cleaning the mower underside, and blade care.

Maintenance

Recommended Maintenance Schedule

A table outlining maintenance tasks based on service intervals.

Premaintenance Procedures

Steps to take before performing maintenance, including raising the seat.

Lubrication and Greasing

Procedures for lubricating the machine, including greasing bearings.

Engine Maintenance

Procedures for servicing the engine's air cleaner and oil.

Changing the Engine Oil

Step-by-step instructions for changing the engine oil.

Engine Oil Filter and Spark Plug Service

Procedures for changing the oil filter and servicing the spark plug.

Spark Plug Check and Cooling System Cleaning

How to check spark plug condition and clean the cooling system.

Fuel System Maintenance

Procedures related to the fuel system, including filter replacement.

Electrical System Maintenance

Procedures for maintaining the battery and fuses.

Drive System Maintenance

Procedures for checking tire pressure in the drive system.

Hydraulic System Maintenance

Procedures for checking hydraulic oil level and changing filters/oil.

Bleeding the Hydraulic System

Procedure to remove air from the hydraulic system after service.

Mower Deck Maintenance

Procedures for servicing the mower deck and its components.

Blade Maintenance and Leveling

Covers blade sharpening, removal, installation, and deck leveling.

Mower Deck Leveling

Steps to ensure the mower deck is properly leveled side-to-side and front-to-rear.

Belt Inspection and Replacement

How to inspect mower belts and procedures for replacing them.

Mower Removal and Installation

Procedures for removing and installing the mower deck.

Grass Deflector Replacement

How to replace a damaged or worn grass deflector.

Cleaning

General cleaning instructions for the machine.

Storage Preparation

Guidelines for cleaning and preparing the machine for storage.

Waste Disposal Information

Information on environmentally responsible disposal of fluids and parts.

Long-Term Storage Preparation

Detailed steps for preparing the machine for long-term storage.

Troubleshooting

Engine Starting and Power Issues

Troubleshooting for starter, engine start, and power loss problems.

Engine Overheating and Mower Pulling

Solutions for engine overheating and mower pulling issues.

Drive and Vibration Issues

Troubleshooting for machine drive problems and abnormal vibration.

Cutting Height and Blade Rotation Problems

Solutions for uneven cutting height and blades not rotating.

Schematics

Warranty Information

Covered Products and Warranty Periods

Lists products and their respective warranty periods.

Owner Responsibilities and Service

Outlines owner duties for maintenance and how to obtain warranty service.

Warranty Exclusions and General Conditions

Lists warranty exclusions and general legal conditions.

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