Toro 38754 Service Manual
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© 2020—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
POWER CLEAR® 721/821
Snowthrower Service Manual
Published: July 2020
Form No. 3438-776 Rev A
Contact us at www.Toro.com.
Original Instructions (EN)
All Rights Reserved

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Summarization of Contents

Chapter 1 Safety
Safety Instructions
Provides critical safety warnings and precautions for operating the equipment.
Think Safety First
Emphasizes general safety principles and potential hazards to avoid.
Chapter 2 Specifications and Maintenance
Specifications
Lists detailed technical specifications for various models of the snowthrower.
Torque Specifications
Provides recommended torque values for fasteners used in the snowthrower.
Equivalents and Conversions
Offers decimal and millimeter equivalents for fractions and measurement conversions.
U.S. to Metric Conversions
Lists conversion factors for various measurements from US customary to metric.
Chapter 3 Troubleshooting
General Troubleshooting
Guides users on systematic approaches to diagnose and solve common problems.
Chapter 4 Engine
General Information
Provides an overview of the engines used in the POWER CLEAR® 721 and 821 models.
Service and Repairs
Details the procedures for servicing and repairing engine components.
Engine Replacement
Step-by-step instructions for removing and installing the engine.
Electric Starter Replacement
Procedures for replacing the electric starter motor and related components.
Muffler Guard Replacement
Instructions for removing and installing the muffler guard.
Muffler Replacement
Steps for removing and installing the muffler assembly.
Fuel Tank Replacement
Guidance on how to remove and install the fuel tank.
Chapter 5 Chassis
General Information
Describes the common chassis size and parts used in the 721 and 821 models.
Service and Repairs
Details procedures for servicing and repairing chassis components.
Shroud Replacement
Provides instructions for removing and installing the machine's shroud.
Quick Shoot Controls Replacement
Steps for replacing the quick shoot control mechanisms.
Chapter 6 Drive System
General Information
Explains that all models use Toro's Power Propel self-propel system.
Service and Repairs
Details procedures for servicing and repairing drive system components.
Belt Replacement
Step-by-step instructions for replacing the drive belt.
Rotor Replacement
Procedures for removing and installing the rotor assembly.
Paddle Replacement
Instructions for removing and installing the rotor paddles.
Scraper Replacement
Guidance on how to remove and install the scraper blade.

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