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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. It is not designed for cutting
brush or for agricultural uses.
Read this information carefully to learn how to operate and
maintain your machine properly and to avoid injury and
equipment damage. You are responsible for operating the
machine properly and safely.
You may contact Toro directly at www.Toro.com for product
and 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 machine ready. Figure 1 identifies the location of the
model and serial numbers on the product.
1. Model and serial number location
Write the product model and serial numbers in the following
space:
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 serious injury or death
if you do not follow the recommended precautions.
© 2012—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420
53cm Recycler
Model No. 20990—Serial No. 313000001 and Up
Figure 1
Register at www.Toro.com.
®
Lawn Mower
1. Safety alert symbol
This manual uses 2 words to highlight information.
Important calls attention to special mechanical information
and Note emphasizes general information worthy of special
attention.
Safety
Read and understand the contents of this manual before
you start the engine.
The safety alert symbol (Figure 2) is used to alert you to
potential personal injury hazards. Obey all safety messages
that follow this symbol to avoid possible injury or death.
Improperly using or maintaining this machine could result in
injury or death. To reduce this potential, comply with the
following safety instructions.
The following instructions have been adapted from the
ANSI/OPEI standard B71.1-2003.
This cutting machine is capable of amputating hands
and feet and of throwing objects. Failure to observe
the following safety instructions could result in serious
injury or death.
General Operation
Read, understand, and follow all instructions on the
machine and in the manual(s) before starting.
Do not put hands or feet near or under the machine.
Keep clear of the discharge opening at all times.
Only allow responsible adults who are familiar with the
instructions to operate the machine.
Clear the area of objects such as rocks, wire, toys, etc.,
which could be thrown by the blades. Stay behind the
handle when the engine is running.
Be sure that the area is clear of bystanders before
operating. Stop the machine if anyone enters the area.
Do not operate the machine barefooted or while wearing
sandals. Always wear substantial footwear.
Form No. 3374-361-ASM Rev A
Operator's Manual
Figure 2
Original Instructions (EN)
All Rights Reserved *3374-361-ASM* A
Printed in the USA

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Table of Contents
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Summary of Contents for Toro Recycler 20990

  • Page 1 You are responsible for operating the machine properly and safely. You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register Safety your product.
  • Page 2: Slope Operation

    • Do not pull the machine backward unless it is absolutely machine and the mowing activity. Never assume that children necessary. Always look down and behind before and will remain where you last saw them. while moving backward. • Keep children out of the mowing area and under the •...
  • Page 3: Safety And Instructional Decals

    • • Never tamper with safety devices. Check their proper Check the grass catcher components and the discharge operation regularly. guard frequently and replace them with manufacturer's recommended parts when necessary. • Keep the machine free of grass, leaves, or other debris. •...
  • Page 4: Loose Parts

    114-2820 1. Warning—read the 4. Cutting/dismemberment Operator's Manual. hazard of hand or foot, mower blade—stay away from moving parts. 2. Thrown object 5. Cutting/dismemberment hazard—keep bystanders hazard of hand or foot, a safe distance from the mower blade—remove machine. the ignition key and read the instructions before servicing or performing maintenance.
  • Page 5: Unfolding The Handle

    Important: Change the engine oil after the first 5 operating hours; change it yearly thereafter. Refer to Changing the Engine Oil. 1. Move the machine to a level surface. Unfolding the Handle 2. Remove the dipstick (Figure 5) and pour about 3/4 of the crankcase capacity of oil into the oil-fill tube.
  • Page 6: Install The Mulch Plug Or The Grass Bag

    Install the Mulch Plug or the Grass Bag No Parts Required Procedure Important: You must correctly install the mulch plug (for mulching or side-discharging) or the grass bag (for bagging); otherwise, the engine will not start. Figure 7 The machine has a safety switch, located at the bottom of the channel at the top, right rear of the machine, that prevents 2.
  • Page 7: Product Overview

    Product Overview Figure 9 Note: If the lever does not latch properly, disconnect the wire from the spark plug and check for and remove any debris buildup in the tunnel. G019305 Figure 10 1. Spark plug 5. Recoil-start handle 2. Cutting-height lever (4) 6.
  • Page 8: Operation

    Operation 1. Move the machine to a level surface. 2. Remove the dipstick (Figure 13). Filling the Fuel Tank DANGER Gasoline is extremely flammable and explosive. A fire or explosion from gasoline can burn you and others. • To prevent a static charge from igniting the gasoline, place the container and/or machine directly on the ground before filling, not in a vehicle or on an object.
  • Page 9: Starting The Engine

    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 four wheels to the same height. Note: To raise the machine, move all 4 cutting height levers forward;...
  • Page 10: Mulching The Clippings

    Mulching the Clippings Your machine comes from the factory ready to mulch the grass and leaf clippings back into the lawn. If the grass bag is on the machine, remove it (refer to Removing the Grass Bag (page 11)) before mulching the clippings.
  • Page 11: Removing The Grass Bag

    Removing the Grass Bag Side-discharging the Clippings 1. Route the starter rope around the lower-rope guide Use the side discharge for cutting very tall grass. (Figure 22). If the bag is on the machine, remove it and insert the mulch plug;...
  • Page 12: Operating Tips

    • 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. Do...
  • Page 13: Recommended Maintenance Schedule(S)

    Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 5 hours • • Ensure that the engine stops within 3 seconds after releasing the blade-control bar. Before each use or daily •...
  • Page 14: Changing The Engine Oil

    7. Tip the machine onto its side, with the oil-fill tube down, to drain the used oil out through the oil-fill tube into the oil-drain pan (Figure 33). Figure 31 Changing the Engine Oil Service Interval: After the first 5 hours G019342 Every 50 hours Figure 33...
  • Page 15: Replacing The Blade

    oil-fill tube, and then repeat steps 10 through 12 5. Install the new blade and all mounting hardware until the oil level is at the Full mark on the dipstick. (Figure 36). • If the oil level is above the Full mark on the dipstick, drain the excess oil until the oil level is at the Full mark on the dipstick.
  • Page 16: Preparing The Machine For Storage

    Storage Note: The water will splash into the path of the blade, cleaning out the clippings. Preparing the Machine for Storage WARNING Figure 37 Gasoline vapors can explode. • Do not store gasoline more than 30 days. 2. When no more clippings come out, stop the water and •...
  • Page 17: Removing The Machine From Storage

    3. If the grass bag is not attached to the machine, remove machine to an Authorized Toro Dealer to have the the discharge plug and install the grass bag.
  • Page 18 Notes:...
  • Page 19 The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with Toro's affiliates, dealers or other business partners in connection with any of these activities. We will not sell your personal information to any other company.
  • Page 20 Toro's option, under warranty at no cost for parts and labor. Frame failure due to misuse or abuse and failure or repair required due to rust or corrosion are not covered.

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