Toro 22166, 22167 Operator's Manual
Form No. 3327-615
ProLine 21-inch Recycler
Walk Power Lawn Mower
Model No. 22166—230000001 and Up
Model No. 22167—230000001 and Up
Operator ’s Manual
Domestic English (EN)
Warning
The engine exhaust from this product contains
chemicals known to the State of California to
cause cancer, birth defects, or other reproductive
harm.
Important This engine is not equipped with a spark
arrester muffler. It is a violation of California Public
Resource Code Section 4442 to use or operate this engine
on any forest-covered, brush-covered, or grass-covered
land. Other states or federal areas may have similar laws.
This spark ignition system complies with Canadian
ICES-002.
Ce système d’allumage par étincelle de véhicule est
conforme à la norme NMB-002 du Canada.
The enclosed Engine Owner ’s Manual is supplied for
information regarding The U.S. Environmental
Protection Agency (EPA) and the California Emission
Control Regulation of emission systems, maintenance
and warranty.
Keep this engine Owner ’s Manual with your unit.
Should this engine Owner’s Manual become damaged
or illegible, replace immediately. Replacements may be
ordered through the engine manufacturer.
Page
Using the Grass Bag 11. . . . . . . . . . . . . . . . . . . . . . .
Operating Tips 12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Maintenance Schedule 14. . . . . . . .
Checking the Engine Oil Level 15. . . . . . . . . . . . . .
Cleaning under the Housing 15. . . . . . . . . . . . . . . .
Cleaning the Discharge Tunnel and Plug 16. . . . . .
Servicing the Air Cleaner 16. . . . . . . . . . . . . . . . . .
Maintaining the Blade 17. . . . . . . . . . . . . . . . . . . . .
Cleaning under the Belt Cover 18. . . . . . . . . . . . . .
Lubricating the Pivot Arms 18. . . . . . . . . . . . . . . . .
Adjusting the Self-propel Drive 18. . . . . . . . . . . . . .
Changing the Engine Oil 19. . . . . . . . . . . . . . . . . . .
Servicing the Spark Plug 19. . . . . . . . . . . . . . . . . . .
Lubricating the Gear Case 19. . . . . . . . . . . . . . . . . .
Adjusting the Blade Brake Cable 20. . . . . . . . . . . .
Servicing the Wheels 20. . . . . . . . . . . . . . . . . . . . . .
Storage 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparing the Fuel System 21. . . . . . . . . . . . . . . . . .
Preparing the Engine 21. . . . . . . . . . . . . . . . . . . . . .
General Information 21. . . . . . . . . . . . . . . . . . . . . . .
Removing the Lawn Mower from Storage 22. . . . .
Accessories 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Toro Total Coverage Guarantee 24. . . . . . . . . . . . .
Contents
Introduction 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safe Operating Practices 3. . . . . . . . . . . . . . . . . . .
Toro Lawn Mower Safety 4. . . . . . . . . . . . . . . . . .
Safety and Instruction Decals 5. . . . . . . . . . . . . . .
Assembly 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loose Parts 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Handle 7. . . . . . . . . . . . . . . . . . . . . .
Installing the Starter Rope 7. . . . . . . . . . . . . . . . . .
Installing the Discharge Tunnel Plug 7. . . . . . . . . .
Before Starting 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling the Crankcase with Oil 8. . . . . . . . . . . . . . .
Filling the Fuel Tank with Gasoline 8. . . . . . . . . .
Reviewing the Maintenance Schedule 9. . . . . . . . .
Operation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting the Engine 10. . . . . . . . . . . . . . . . . . . . . . . .
Stopping the Engine 10. . . . . . . . . . . . . . . . . . . . . . .
Using the Self-propel Drive 10. . . . . . . . . . . . . . . . .
Using the Discharge Tunnel Plug 11. . . . . . . . . . . .
Adjusting the Cutting Height 11. . . . . . . . . . . . . . . .
2003 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Page
Introduction
Read this manual carefully to learn how to operate and
maintain your product properly. The information in this
manual can help you and others avoid injury and product
damage. Although Toro designs and produces safe
products, you are responsible for operating the product
properly and safely.
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. Figure 1 illustrates
the location of the model and serial numbers on the
product.
1
Figure 1
1. Location o f the model and serial numbers
All Rights Reserved
2
Printed in the USA
Write the product model and serial numbers in the space
below:
Improperly using or maintaining this lawn mower
could result in injury or death. To reduce this potential,
comply with the following safety instructions.
Model No.
Serial No.
This manual identifies potential hazards and has special
safety messages that help you and others avoid personal
injury and even death. Danger, Warning, and Caution are
signal words used to identify the level of hazard.
However, regardless of the hazard, be extremely careful.
Danger signals an extreme hazard that will cause serious
injury or death if you do not follow the recommended
precautions.
Warning signals a hazard that may cause serious injury or
death if you do not follow the recommended precautions.
Caution signals a hazard that may cause minor or
moderate injury if you do not follow the recommended
precautions.
This manual uses two other words to highlight
information. Important calls attention to special
mechanical information and Note: emphasizes general
information worthy of special attention.
Safe Operating Practices
The following instructions are from the ANSI/OPEI
B71.4–1999 standard.
Training
• Read the Operator ’s Manual and other training
material. If the operator(s) or mechanic(s) can not read
English it is the owner’s responsibility to explain this
material to them.
• Become familiar with the safe operation of the
equipment, operator controls, and safety signs.
• All operators and mechanics should be trained. The
owner is responsible for training the users.
• Never let children or untrained people operate or
service the equipment. Local regulations may restrict
the age of the operator.
• The owner/user can prevent and is responsible for
accidents or injuries occurring to themselves, other
people, or property.
Safety
This lawn mower meets or exceeds the CPSC blade
safety requirements for walk-behind rotary lawn
mowers and the B71.4 specifications of the American
National Standards Institute in effect at the time of
production.
Warning
Engine exhaust contains carbon monoxide, an
odorless, deadly poison that can kill you.
Do not run the engine indoors or in an enclosed
area.
To ensure maximum safety and best performance, and
to gain knowledge of the product, it is essential that
you and any other operator of the lawn mower read
and understand the contents of this manual before the
engine is ever started.
This is the safety alert symbol. It is used to alert
you to potential personal injury hazards. Obey all
safety messages that follow this symbol to avoid
possible injury or death.
Preparation
• Only use accessories and attachments approved by the
manufacturer.
• Wear appropriate clothing including hard hat, safety
glasses, and ear protection. Long hair, loose clothing
or jewelry may get tangled in moving parts.
• Inspect the area where the equipment is to be used and
remove all objects such as rocks, toys and wire which
can be thrown by the machine.
• Use extra care when handling gasoline and other fuels.
They are flammable and vapors are explosive.
– Use only an approved container.
– Never remove gas cap or add fuel with engine
running. Allow engine to cool before refueling. Do
not smoke.
– Never refuel or drain the machine indoors.
• Check that operator ’s presence controls, safety
switches and shields are attached and functioning
properly. Do not operate unless they are functioning
properly.
3
Operation
• Never run an engine in an enclosed area.
• Only operate in good light, keeping away from holes
and hidden hazards.
• Only start engine from the operator’s position.
• Be sure of your footing, especially when backing up.
Walk, don’t run. Never operate on wet grass. Reduced
footing could cause slipping.
• Slow down on hillsides. Be sure to travel side to side
on hillsides. Turf conditions can affect the machine’s
stability. Use caution while operating near drop-offs.
• Do not change the engine governor setting or
overspeed the engine.
• Shut off fuel while storing or transporting. Do not store
fuel near flames or drain indoors.
• Never allow untrained personnel to service machine.
• Remove spark plug wire before making any repairs.
• Use care when checking blade. Wrap the blade or wear
gloves, and use caution when servicing them. Only
replace blade. Never straighten or weld it.
• Keep hands and feet away from moving parts. If
possible, do not make adjustments with the engine
running.
• Keep all parts in good working condition and all
hardware tightened. Replace all worn or damaged
decals.
• Stop on level ground and shut off engine before
leaving the operator ’s position for any reason
including emptying the catcher or unclogging the
chute.
• Stop equipment and inspect blade after striking objects
or if an abnormal vibration occurs. Make necessary
repairs before resuming operations.
• Keep hands and feet away from the cutting units.
• Look behind and down before backing up to be sure of
a clear path.
• Keep pets and bystanders away.
• Slow down and use caution when crossing roads and
sidewalks.
• Stop blade if you are not mowing.
• Be aware of the mower discharge direction and do not
point it at anyone.
• Do not operate the mower under the influence of
alcohol or drugs.
• Use care when approaching blind corners, shrubs,
trees, or other objects that may obscure vision.
Toro Lawn Mower Safety
The following list contains safety information specific to
Toro products or other safety information that you must
know that is not included in the ANSI/OPEI standard.
This product is capable of amputating hands and feet, and
of throwing objects. Always follow all safety instructions
to avoid serious injury or death.
Use this product only for cutting and mulching grass, or,
when equipped with a grass bagger, for catching cut grass.
• Stop the lawn mower if anyone enters the area.
• Do not operate the lawn mower without either the
grass catcher or the guard in place.
• Do not touch the lawn mower or attachment parts
which may be hot from operation. Allow the lawn
mower to cool down before attempting to maintain,
adjust, or service it.
• Do not operate the lawn mower without either the
grass catcher or the guard in place.
Maintenance and Storage
• Stop engine and disconnect spark plug wire. Wait for
all movement to stop before adjusting, cleaning or
repairing.
• Clean grass and debris from cutting unit, drive,
muffler, and engine to help prevent fires. Clean up oil
or fuel spillage.
• Let engine cool before storing and do not store near
flame.
4
Safety and Instruction 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 lost.
68-7410
39-5770
52-2620 (Self-propel model only)
82-2380 (Self-propel model only)
92-1779
74-1970 (Self-propel model only)
1. Transmission speeds 2. Neutral
82-7610
98-4387
1. Warning—wear hearing protection.
93-7398
5
104-8589
98-9025
Assembly
Note: Determine the left and right sides of the machine from the normal operating position.
Loose Parts
DESCRIPTION QTY. USE
Handle
Bolts, 5/16–18 x 1-1/4 in.
Bolts, 5/16–18 x 1-1/2 in.
Carriage bolt
Washers
Locknuts
Thin nylon insert locknuts
Bag support rod
Bag aligning plate
Cap locknuts
Cable tie
1
2
2
1
4
2
2
1
1
3
1
Installing the handle
6
Installing the Handle
Installing the Starter Rope
1. Mount the handle to the outside of the lawn mower
housing (using the bottom hole) with two 5/16–18 x
1–1/4 in. bolts, washers, and thin nylon insert locknuts
(Fig. 2).
2
3
1
6
4
7
5
8
9
11
10
12
m-3850
Figure 2
1. Bag support rod
2. Carriage bolt
3. Bag aligning plate
4. Cap locknuts (3)
5. Handle
6. Bolt, 5/16–18x1-1/4 in. (2)
7. Handle latch (2)
8. Thin nylon insert
locknut (2)
9. Bottom hole in housing
10. Washer (4)
11. Locknut (2)
12. Bolt, 5/16–18x1-1/2 in. (2)
Pull the starter rope through the rope guide on the handle
(Fig. 3).
2
1
m–210
Figure 3
1. Starter rope 2. Rope guide
Note: To make the rope easier to install, squeeze the
control bar on the handle.
Installing the Discharge Tunnel
Plug
1. Open the discharge door by pulling forward on the
handle and moving it rearward (Fig. 4). Hold the
discharge door handle to prevent the spring-loaded
door from closing while you insert the plug.
2. Secure the handle latches to the handle with two
5/16–18 x 1-1/2 in. bolts, washers, and nylon insert
locknuts (Fig. 2).
Note: You can adjust the handle height for comfortable
operation. Stand behind the handle to determine the
height. To adjust the handle height, position the bolts and
the locknuts that secure the handle latches to the handle
into the other mounting holes in the handle latches.
3. Slide the bag support rod through the bag aligning
plate and into the second from the top mounting holes
in the handle, and secure each end with a cap locknut
(Fig. 2).
4. Insert the carriage bolt through the bag aligning plate
and the top hole on the left side of the handle, and
secure it with a cap locknut (Fig. 2).
5. Use a cable tie to secure the control cables to the left
handle below the bag support rod.
1
2
m–262
Figure 4
1. Discharge door h an dl e 2. Plug rotated clockwise
2. Since the plug is slightly wider than the discharge
tunnel opening, rotate the plug clockwise slightly
while inserting it (Fig. 4).
Note: Ensure that the arrow on the plug decal points
upward.
7
3. Push the plug all the way in until the spring clip on the
bottom of the plug clicks into place, locking the plug
securely into the discharge tunnel (Fig. 5).
1
m–275
Figure 5
1. Spring clip
4. Release the discharge door handle to lock the top of
the plug.
To add oil:
1. Move the lawn mower to a level surface.
2. Clean around the dipstick (Fig. 6).
3. Remove the dipstick by rotating the cap
counterclockwise and pulling it out.
4. Wipe the dipstick clean with a clean cloth.
5. Insert the dipstick into the filler neck (but do not
rotate the cap clockwise to secure it), then remove it.
6. Read the oil level on the dipstick (Fig. 6).
7. If the oil level reading is below the lower limit mark
on the dipstick, remove the dipstick and slowly pour
only enough oil into the filler hole to raise the oil level
to the upper limit mark on the dipstick (Fig. 6).
Important Do not overfill the crankcase with oil and
run the engine; engine damage will result. Drain the
excess oil until the oil level reaches the upper limit mark
on the dipstick.
8. Insert the dipstick into the filler neck and rotate the
cap clockwise until it is tight.
Before Starting
Filling the Crankcase with Oil
The engine crankcase can hold 22 ounces (0.65 liters) of
oil. Use only high-quality SAE 10W–30 weight detergent
oil that has the American Petroleum Institute (API)
service classification SH, SJ, or equivalent.
Before each use, ensure that the oil level is between the
lower limit and upper limit marks on the dipstick (Fig. 6).
2
3
1. Dipstick
2. Upper limit mark
1
Figure 6
3. Lower limit mark
Filling the Fuel Tank with
Gasoline
For best results, use clean, fresh, lead-free gasoline with
an octane rating of 87 or higher. To ensure freshness,
purchase only the quantity of gasoline that you expect to
use in 30 days. Using unleaded gasoline results in fewer
combustion deposits and longer engine life. You may use
leaded gasoline if unleaded gasoline is not available.
Important Do not add oil to the gasoline.
Important Do not use methanol, gasoline containing
methanol, gasohol containing more than 10% ethanol,
premium gasoline, or white gas. Using these fuels can
damage the engine’s fuel system.
Important Do not use gasoline that is more than 30
days old.
Note: When the crankcase is empty, pour about
three-fourths of the crankcase capacity of oil in the
crankcase, then follow the procedure in this section.
8
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