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55cm Recycler
Model No. 21766—Serial No. 400000000 and Up

Introduction

This rotary-blade, walk-behind lawn mower is intended
to be used by residential homeowners. It is designed
primarily for cutting grass on well-maintained lawns on
residential properties. Using this product for purposes
other than its intended use could prove dangerous to
you and bystanders.
Read this information carefully to learn how to operate
and maintain your product properly and to avoid
injury and product damage. You are responsible for
operating the product properly and safely.
Visit www.Toro.com for more information, including
safety tips, training materials, accessory information,
help finding a dealer, or to register your product.
Whenever you need service, genuine Toro parts, or
additional information, contact an Authorized Service
Dealer or Toro Customer Service and have the model
and serial numbers of your product ready.
identifies the location of the model and serial numbers
on the product. Write the numbers in the space
provided.
Important:
With your mobile device, you can
scan the QR code on the serial number decal (if
equipped) to access warranty, parts, and other
product information
1. Model and serial number location
Model No.
Serial No.
© 2018—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
Figure 1
Figure 1
Register at www.Toro.com.
®
Lawn Mower
This manual identifies potential hazards and has
safety messages identified by the safety-alert symbol
(Figure
2), which signals a hazard that may cause
serious injury or death if you do not follow the
recommended precautions.
This manual uses 2 words to highlight information.
Important calls attention to special mechanical
information and Note emphasizes general information
worthy of special attention.
This product complies with all relevant European
directives; for details, please see the separate product
specific Declaration of Conformity (DOC) sheet.
Gross or Net Torque: The gross or net torque
of this engine was laboratory rated by the engine
manufacturer in accordance with the Society of
Automotive Engineers (SAE) J1940 or J2723. As
configured to meet safety, emission, and operating
requirements, the actual engine torque on this class
of mower will be significantly lower. Please refer to
the engine manufacturer's information included with
the machine.
Do not tamper with or disable safety devices on the
machine, and check their proper operation regularly.
Do not attempt to adjust or tamper with the engine
g274803
speed control; doing so may create an unsafe
operating condition, resulting in personal injury.
Form No. 3428-350 Rev A
Operator's Manual
Figure 2
Safety-alert symbol
Original Instructions (EN)
All Rights Reserved *3428-350* A
Printed in Mexico
g000502

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Table of Contents
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Summary of Contents for Toro Recycler 21766

  • Page 1: Introduction

    Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service This product complies with all relevant European Dealer or Toro Customer Service and have the model directives; for details, please see the separate product and serial numbers of your product ready.
  • Page 2: Table Of Contents

    Contents Safety Introduction ............... 1 This machine has been designed in accordance with Safety ............... 2 EN ISO 5395. General Safety ........... 2 Safety and Instructional Decals ......3 General Safety Setup ................ 4 1 Assembling and Unfolding the Handle....4 This product is capable of amputating hands and 2 Installing the Recoil-Starter Rope in the feet and of throwing objects.
  • Page 3: Safety And Instructional Decals

    Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or missing. decaloemmarkt Manufacturer's Mark 1. This mark indicates that the blade is identified as a part from the original machine manufacturer.
  • Page 4: Setup

    Setup Important: Remove and discard the protective plastic sheet that covers the engine and any other plastic or wrapping on the machine. Assembling and Unfolding the Handle No Parts Required Procedure Note: Ensure that the cables are routed on the outside of the handle and are not pinched (D of Figure g236451 Figure 3...
  • Page 5: Installing The Recoil-Starter Rope In The Rope Guide

    Installing the Recoil-Starter Rope in the Rope Guide No Parts Required Procedure Important: To start the engine safely and easily whenever you use the machine, install the recoil-starter rope in the rope guide. g230719 Figure 4...
  • Page 6: Filling The Crankcase With Oil

    Filling the Crankcase with Oil No Parts Required Procedure Important: If the oil level in the crankcase is too low or too high and you run the engine, you may damage the engine. g222533 Figure 5 Assembling the Grass Bag No Parts Required Procedure g241560...
  • Page 7: Product Overview

    Contact your Authorized Service Dealer or authorized Toro distributor or go to www.Toro.com for a list of all approved attachments and accessories. To ensure optimum performance and continued safety certification of the machine, use only genuine Toro replacement parts and accessories.
  • Page 8: Operation

    Operation – Avoid prolonged breathing of vapors. – Keep your hands and face away from the nozzle and the fuel-tank opening. Note: Determine the left and right sides of the machine from the normal operating position. – Keep fuel away from your eyes and skin. Before Operation Filling the Fuel Tank •...
  • Page 9: Checking The Engine-Oil Level

    Checking the Engine-Oil Level Service Interval: Before each use or daily Important: If the oil level in the crankcase is too low or too high and you run the engine, you may damage the engine. g231765 Figure 10 Adjusting the Handle Height You can raise or lower the handle in 1 of 2 positions that is more comfortable for you (Figure 11).
  • Page 10: Adjusting The Cutting Height

    Adjusting the Cutting Height CAUTION If the engine has been running, the muffler will be hot and can severely burn you. Keep away from the hot muffler. Adjust the cutting height as desired. Set all wheels to the same cutting height (Figure 12).
  • Page 11: Starting The Engine

    Figure 14 • Check the grass catcher components and the discharge chute frequently for any wear or deterioration and replace them with genuine Toro Note: If the machine does not freely roll backward parts when necessary. after self-propelling, stop walking, hold your hands...
  • Page 12: Using The Traction-Assist Handle

    Using the Traction-Assist Shutting Off the Engine Handle Service Interval: Before each use or daily To shut off the engine, release the blade-control bar. The traction-assist handle (Figure 15) allows you to use your hands to control the speed of the machine Important: When you release the blade-control instead of your walking speed.
  • Page 13: Bagging The Clippings

    Bagging the Clippings Use the grass bag when you want to collect grass and leaf clippings from the lawn. If the side-discharge chute is on the machine, remove it; refer to Removing the Side-Discharge Chute (page 14). If the bag-on-demand lever is in the recycling position, move it to the bagging position; refer to Operating the Bag-on-Demand Lever (page 13).
  • Page 14: Side-Discharging The Clippings

    (Figure 20). the cutting season begins. • Replace the blade when necessary with a Toro replacement blade. Cutting Grass • Cut only about a third of the grass blade at a time. Do not cut below 51 mm (2 inches) unless the grass is sparse or it is late fall when grass growth begins to slow down.
  • Page 15: After Operation

    Cleaning under the Machine • If there are more than 13 cm (5 inches) of leaves on the lawn, mow at a higher cutting height and then again at the desired cutting height. Service Interval: Before each use or daily •...
  • Page 16: Folding The Handle

    Folding the Handle Insert the carriage bolt (with the bolt head toward the inside) through the handle bracket and the upper hole in the handle end. Ensure that the WARNING square edges of each carriage bolt fits into the upper or lower square hole in its related handle Folding or unfolding the handle improperly bracket (Figure...
  • Page 17: Maintenance

    • To ensure optimum performance of the machine, Figure 25 use only genuine Toro replacement parts and 1. Spark-plug wire accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and such use could void the product warranty.
  • Page 18: Servicing The Air Filter

    Servicing the Air Filter Changing the Engine Oil Service Interval: Every 25 hours Service Interval: Yearly Yearly Changing the engine oil is not required, but if you want to change the oil, use the following Unclip the top of the air-filter cover (Figure 26).
  • Page 19: Replacing The Blade

    Replacing the Blade Service Interval: Yearly Important: You will need a torque wrench to install the blade properly. If you do not have a torque wrench or are uncomfortable performing this procedure, contact an Authorized Service Dealer. Examine the blade whenever you run out of fuel. If the blade is damaged or cracked, replace it immediately.
  • Page 20: Adjusting The Self-Propel Drive

    Adjusting the Self-Propel Drive For Self-Propel-Drive Models Only Whenever you install a new self-propel cable or if the self-propel drive is out of adjustment, adjust the self-propel drive. Turn the adjustment nut counterclockwise to loosen the cable adjustments (Figure 31). g231390 Figure 30 g273506...
  • Page 21: Storage

    Preparing the Machine for Storage On the last refueling of the year, add fuel stabilizer (such as Toro Premium Fuel Treatment) to the fuel as directed on the label. Dispose of any unused fuel properly. Recycle it according to local codes or use it in your automobile.
  • Page 22 Notes:...
  • Page 23 The Toro Company (“Toro”) respects your privacy. When you purchase our products, we may collect certain personal information about you, either directly from you or through your local Toro company or dealer. Toro uses this information to fulfil contractual obligations - such as to register your warranty, process your warranty claim or to contact you in the event of a product recall - and for legitimate business purposes - such as to gauge customer satisfaction, improve our products or provide you with product information which may be of interest.

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