Toro 21750 Operator's Manual

Toro 21750 Operator's Manual

53cm mulching/rear bagging/side discharging lawn mower
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53cm Mulching/Rear Bagging/Side Discharging
Lawn Mower
Model No. 21750—Serial No. 400000000 and Up
Model No. 21751—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.
This manual identifies potential hazards and has
safety messages identified by the safety-alert symbol
(Figure
2), which signals a hazard that may cause
© 2019—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
Figure 1
Figure 1
Register at www.Toro.com.
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
speed control; doing so may create an unsafe
operating condition, resulting in personal injury.
g305877
Original Instructions (EN)
Form No. 3436-125 Rev A
Operator's Manual
Figure 2
Safety-alert symbol
All Rights Reserved *3436-125* A
Printed in Mexico
g000502

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Table of Contents
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Summary of Contents for Toro 21750

  • Page 1: Introduction

    Authorized Service specific Declaration of Conformity (DOC) sheet. Dealer or Toro Customer Service and have the model Gross or Net Torque: The gross or net torque 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 Installing 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. Important: To prevent accidental starting, do not insert the key into the electric-start ignition (if equipped) until you are ready to start the engine. Installing the Handle No Parts Required Procedure...
  • Page 5: Adding Oil To The Engine

    g228152 Figure 4 Adding Oil to the Engine No Parts Required Procedure Important: If the oil level in the engine is too low or too high and you run the engine, you may damage the engine. g222533 Figure 5...
  • Page 6: Assembling The Grass Bag

    Assembling the Grass Bag No Parts Required Procedure g240711 Figure 6 Charging the Battery No Parts Required Procedure Electric-Start Model Only Refer to Charging the Battery (page 18).
  • Page 7: Product Overview

    Contact 7. Front cutting-height lever 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. g222533 Figure 10...
  • 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 11).
  • Page 11: During Operation

    • Check the grass catcher components and the damage may occur. discharge chute frequently for any wear or deterioration and replace them with genuine Toro • Do not operate the machine while ill, tired, or parts when necessary. under the influence of alcohol or drugs.
  • Page 12: Starting The Engine

    Starting the Engine Hold the blade-control bar against the handle (A of Figure 12). Pull the recoil-start handle (B of Figure 12). Note: When you pull the recoil-start handle, pull it lightly until you feel resistance, then pull it sharply. Allow the rope to return to the handle slowly.
  • Page 13: Bagging The Clippings

    A worn grass bag could allow small stones and other similar debris to be thrown toward you or bystanders, resulting in serious personal injury or death. Check the grass bag frequently. If it is damaged, install a new Toro replacement bag. WARNING The blade is sharp;...
  • Page 14: Side-Discharging The Clippings

    • For best performance, install a new blade before 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.
  • Page 15: After Operation

    • If there are more than 13 cm (5 inches) of leaves When no more clippings come out, stop the on the lawn, mow at a higher cutting height and water and move the machine to a dry area. then again at the desired cutting height. Run the engine for a few minutes to dry the •...
  • Page 16: Maintenance

    Figure 18 • To ensure optimum performance of the machine, use only genuine Toro replacement parts and 1. Spark-plug wire accessories. Replacement parts and accessories made by other manufacturers could be dangerous, After performing the maintenance procedure(s), and such use could void the product warranty.
  • Page 17: Servicing The Air Filter

    Servicing the Air Filter Changing the Engine Oil Service Interval: Every 25 hours/Yearly (whichever Service Interval: Yearly comes first) Changing the engine oil is not required, but if Pull the tab to open the air-filter cover (Figure you want to change the oil, use the following 19).
  • Page 18: Charging The Battery

    Charging the Battery Electric-Start Model Only Service Interval: Every 25 hours Charge the battery for 24 hours initially, then monthly (every 25 starts) or as needed. Always use the charger in a sheltered area and charge the battery at room temperature (22°C or 70°F) whenever possible. Connect the charger to the wire harness located g020050 below the ignition key...
  • Page 19: Replacing The Fuse

    Replacing the Fuse Replacing the Blade Electric-Start Model Only Service Interval: Yearly Important: You will need a torque wrench to If the battery does not charge or the engine does not install the blade properly. If you do not have a run with the electric starter, the fuse may be blown.
  • Page 20: Adjusting The Self-Propel Drive

    Adjusting the Self-Propel Drive Whenever you install a new self-propel cable or if the self-propel drive is out of adjustment, adjust the self-propel drive cable. Loosen the cable-support nut (Figure 27). g231390 Figure 26 g009692 Figure 27 1. 25 to 38 mm (1 to 1-1/2 4.
  • Page 21: Storage

    On the last refueling of the year, add fuel Check the engine-oil level; refer to Checking the stabilizer (such as Toro Premium Fuel Engine-Oil Level (page Treatment) to the fuel as directed on the label. Fill the fuel tank with fresh fuel; refer to Filling Dispose of any unused fuel properly.
  • 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.

This manual is also suitable for:

21751

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