The Toro General Commercial Products Warranty16. .
Write the product model and serial numbers in the space
below:
Page
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.
Safety
Hazard control and accident prevention are dependent
upon the awareness, concern, and proper training of the
personnel involved in the operation, transport,
maintenance, and storage of the machine. Improper use
or maintenance of the machine can result in injury or
death. To reduce the potential for injury or death,
comply with the following safety instructions.
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. The two numbers are
stamped on a plate which is located on the housing.
2002, 2003 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Before Operating
• Read and understand the contents of this Operator’s
Manual before operating the machine. Become familiar
with all of the controls and know how to stop quickly. A
free replacement manual is available by sending the
complete Model and Serial Number to The Toro
Company, 8111 Lyndale Avenue South, Bloomington,
Minnesota 55420-1196.
• Never allow children to operate the machine. Do not
allow adults to operate machine without proper
instruction. Only trained operators who have read this
manual should operate this machine.
• Never operate the machine when under the influence of
drugs or alcohol.
• Keep all bystanders away from the operating area.
All Rights Reserved
Printed in the USA
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Page 3
• Keep all shields and safety devices in place. If a shield,
safety device, or decal is illegible or damaged, repair or
replace it before operation is commenced. Also tighten
any loose nuts, bolts, and screws to ensure that the
machine is in safe operating condition.
• Do not operate the machine while wearing sandals,
tennis shoes, sneakers, or shorts. Also, do not wear
loose fitting clothing which could get caught in moving
parts. Always wear long pants and substantial shoes.
Wearing safety glasses, safety shoes, and a helmet is
advisable and required by some local ordinances and
insurance regulations.
• Check the interlock switches daily for proper operation;
refer to the section in the traction unit Operator’s
Manual on Checking the Interlock Switches. Do not
rely entirely on safety switches—shut off the engine
before getting off of the seat. If a switch fails, replace it
before operating the machine. The interlock system is
for your protection, so do not bypass it. Replace all
interlock switches every two years. Interlock switches
should be adjusted so that:
– The engine cannot be started unless the traction
pedal is released (neutral position) and the PTO
switch is Disengaged (off position).
– The engine stops if the operator gets off of the seat
when the traction pedal is depressed.
– The engine stops if the operator gets off of the seat
when the PTO lever is Engaged (on position).
• Fill the fuel tank before starting the engine. Avoid
spilling any fuel. Since fuel is flammable, handle it
carefully.
– Use an approved fuel container.
– Do not fill the tank while the engine is hot or
running.
– Do not smoke while handling gasoline.
– Fill the fuel tank outdoors and up to about 1 inch
(25 mm) from the top of the tank, not the filler neck.
– Wipe up any spilled gasoline.
While Operating
• Do not run the engine in a confined area without
adequate ventilation. Exhaust fumes are hazardous and
could possibly be deadly.
• The maximum seating capacity is one person. Never
carry passengers.
• Sit on the seat when starting the engine and operating
the machine.
• This product may exceed noise levels of 85 dB(A) at
the operator position. Ear protectors are recommended
for prolonged exposure to reduce the potential of
permanent hearing damage.
• Before starting the engine:
A. Engage the parking brake.
B. Ensure that the traction pedal is in neutral and the
PTO is in the OFF, disengaged position.
C. After the engine is started, release the parking brake
and keep your foot off of the traction pedal. The
machine must not move. If movement is evident, the
neutral return mechanism is adjusted incorrectly;
therefore, shut the engine off and adjust it until the
machine does not move when the traction pedal is
released.
• Using the machine demands attention. To prevent loss
of control:
– Operate only in daylight or when there is good
artificial light.
– Drive slowly and watch for holes or other hidden
hazards.
– Do not drive close to a sand trap, ditch, creek, or
other hazard.
– Reduce your speed when making sharp turns and
when turning on hillsides.
– Avoid sudden starts and stops.
– Before backing up, look to the rear and ensure that
no one is behind the machine.
– Watch out for traffic when near or crossing roads.
Always yield the right-of-way.
• Stay away from the discharge opening when the
machine is operating. Keep all bystanders away from
the discharge opening and don’t direct discharge toward
bystanders.
• If the engine stalls or the machine loses headway and
cannot make it to the top of a slope, do not turn the
machine around. Always back slowly straight down the
slope.
• Do not take an injury risk! When a person or pet
appears unexpectedly in or near the operating area, stopoperation. Careless operation, combined with terrain
angles, ricochets, or improperly positioned guards can
lead to thrown object injuries. Do not resume operation
until the area is cleared.
• Do not touch the engine or muffler while the engine is
running or soon after it is stopped. These areas could be
hot enough to cause a burn.
3
Page 4
• Before getting off of the seat:
D. Move the traction pedal to the neutral position and
remove your foot from the pedal.
E. Set the parking brake and disengage the PTO.
F. Shut the engine off and remove the key from the
ignition switch. Wait for all movement to stop
before getting off of the seat.
G. Lower the blower to the ground and remove the key
from the ignition switch whenever the machine is
left unattended.
Maintenance
• Remove the key from the ignition switch to prevent
accidental starting of the engine when servicing,
adjusting, or storing the machine.
• Perform only those maintenance instructions described
in this manual. If major repairs are ever needed or
assistance is desired, contact an Authorized Toro
Distributor.
• To reduce a potential fire hazard, keep the engine free
of excessive grease, grass, leaves, and accumulations of
dirt. Never wash a warm engine or any electrical parts
with water.
• Be sure that the machine is in safe operating condition
by keeping nuts, bolts, and screws tight. Check the rotor
bearing mounting bolts and nuts frequently to be sure
that they are tightened to specification.
• Make sure that all hydraulic line connectors are tight
and all hydraulic hoses and lines are in good condition
before applying pressure to the system.
• At the time of manufacture, the blower conformed to
safety standards in effect for riding mowers; therefore,
to ensure optimum performance and safety, always
purchase genuine Toro replacement parts and
accessories to keep the machine all Toro. Never use
“will-fit” replacement parts and accessories made by
other manufacturers. Look for the Toro logo to ensure
genuineness. Using unapproved replacement parts and
accessories could void the warranty.
Sound Pressure Level
A Groundsmaster 300 series traction unit with the debris
blower attachment has an equivalent continuous
A-weighted sound pressure at the operator ear of 99 dB(A)
based on measurements of identical machines per SAE
Jl174—Mar 85 procedures.
Sound Power Level
A Groundsmaster 300 series traction unit with the debris
blower attachment has a sound power level of
111 dB(A)/I pW, based on measurements of identical
machines per procedures outlined in Directive 79/113/EEC
and amendments.
Vibration Level
Hand-Arm
A Groundsmaster 300 series traction unit with the debris
blower attachment does not exceed a vibration level of
2
2.5 m/s
machines per ISO 5349 procedures.
at the hands based on measurements of identical
• Keep your body and hands away from pin hole leaks in
hydraulic lines that eject high pressure hydraulic fluid.
Use cardboard or paper to find hydraulic leaks.
Hydraulic fluid escaping under pressure can penetrate
skin and cause injury. Fluid accidentally injected into
the skin must be surgically removed within a few hours
by a doctor familiar with this form of injury or gangrene
may result.
• Before disconnecting or performing any work on the
hydraulic system, all pressure in the system must be
relieved by stopping the engine and lowering the blower
to the ground.
• If the engine must be running to perform a maintenance
adjustment, keep hands, feet, clothing, and other parts
of the body away from the fan and other moving parts.
• Do not overspeed the engine by changing the governor
settings. To be sure of safety and accuracy, have an
Authorized Toro Distributor check the maximum engine
speed with a tachometer.
• The engine must be shut off before checking the oil or
adding oil to the crankcase.
Whole-Body
A Groundsmaster 300 series traction unit with the debris
blower attachment does not exceed a vibration level of
0.5 m/s2 at the posterior, based on measurements of
identical machines per ISO 2631 procedures.
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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.
98-3110
1. Warning—read the
2. Warning—wear hearing protection.
3. Thrown object hazard—wear eye protection and keep
bystanders a safe distance from the machine.
4. Cutting hazard of hand or foot—wait for moving parts to stop.
Operator’s Manual
and receive training.
98-3113
1. Warning—stop the engine and remove the key before leaving
the machine or disconnecting the PTO shaft; read the
instructions before servicing or performing maintenance.
98-3111
1. Point of rotation
105-0709
1. Entanglement hazard, belt—place the guard over the belt and
stay away from moving parts.
93-7283
1. Entanglement hazard, PTO shaft—keep bystanders a safe
distance from the machine.
93-9083
1. Cutting/dismemberment hazard, fan—stay away from moving
parts.
93-6674
1. Crushing hazard, hand—read the instructions before servicing
or performing maintenance.
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105-0707
105-0698
Place over decal 105–0707 for CE
1. Warning—read the
Operator’s Manual.
99-4486
1. Entanglement hazard, belt—stay away from moving parts.
1. Read the
Manual.
2. Grease
1. Warning—thrown objects
Operator’s
99-4487
3. Grease every 8 hours.
4. Grease every 100 hours.
105-0708
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Specifications
Note: Specifications and design subject to change without notice.
General Specifications
Fan
Fan housing
Fan drive
Fan speed2700 RPM
Fan output3700 ± 200 CFM, 140 ± 20 MPH (225 km/h)
OutletOutlet opening is 47 in
Weight335 lb. (152 kg)
Backward curved, cast aluminum fan. 12 blades per side, 21 in. (53 cm) outside
diameter, 6-3/8 in. (16 cm) width, 34 lb. (16 kg)
10 gauge steel face plates welded to 10 gauge wrapper. Increasing scroll from
cutoff.
PTO driven A 3VX banded belt drive to fan. Final drive ratio of 1.5:1 with a over
running clutch in belt drive pulley. Fan shaft rotates on greaseable ball bearing.
Note: Use this chart as a checklist to ensure that all parts have been received. Without these parts, total setup cannot be
completed.
DescriptionQty.Use
Capscrew
Washer
Nut
Lift arm bracket
Pin
Drive shaft
Capscrew
Nut
Roll pin
Decal1Apply over decal 105–0707 for CE.
Operator’s Manual1Read before operating the machine.
Parts Catalog1
Registration card1Fill out and return to Toro.
Note: Determine the left and right sides of the machine from the normal operating position.
4
8
4
1
1
1
4
4
2
Mounting the blower to the traction unit.
Mounting the drive shaft to the blower and
traction unit.
Installing the Castor Wheel
Assemblies
1
3
The castor wheel assemblies are installed upside down on
the debris blower for shipping.
1. Remove the tensioning caps from the spindle shafts and
slide off the castor wheel, spacers, and thrust washers
(Fig. 1).
2. Slide the spacers onto the castor spindle to get the
desired height. Slide a thrust washer onto the spindle
and push the castor spindle through the frame. Install
another thrust washer and the remaining spacers onto
the spindle and install the tensioning cap to secure the
assembly (Fig. 1).
Important The thrust washers—not the spacers—must
contact the top and bottom of the blower frame.
3. Ensure that both castor wheels are set at the same
height.
2
2
1. Tensioning cap
2. Thrust washers
Figure 1
3. Spacers
4. Front castor spindle
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Page 9
Installing the Stand
1. Remove the snapper pin securing the stand to the tube
on the blower frame (Fig. 2).
2
1
2
Figure 2
1. Snapper pin2. Stand tube
2. Lower the stand. Install the pin through the upper set of
holes in the stand and tube (Fig. 2). Secure the pin.
3. Remove the snapper pin securing the stand to the tube
on the blower frame.
4. Raise the stand. Install the pin through the lower set of
holes in the stand and tube. Secure the pin.
5. Stand the blower up on the castor wheels and stand
(storage position).
Installing the Traction Unit to
the Blower
1. Remove the cutting unit or other attachment from the
traction unit. Do not remove the ball joint mounts from
the lift arms. The lift arms must be equipped with Toro
ball joint mounts, Part No. 21-3050 and 21-3020.
1-5/8 in.
1
(41 mm)
Figure 3
1. Lift arm2. Right ball joint mount
(21-3020)
1-5/8 in.
(41 mm)
1
2
Figure 4
1. Lift arm2. Left ball joint mount
(21-3050)
3. Position the traction unit in line with the rear of the
Debris Blower.
Note: Retain the fasteners for future installation of cutting
unit or attachment.
2. The right and left ball joints are properly adjusted when
the distance from the end of the lift arm nut to the
center of the ball joint grease fitting is 1-5/8 in.
(41 mm) (Fig. 3 & 4).
Warning
Since the right-hand lift arm is spring loaded to
about 100 pounds and the left-hand lift arm is
spring loaded to about 150 pounds, sudden release
of the lify arm could cause injury.
Use a helper to push the arm down.
4. Have a helper carefully push down on the right push
arm until the holes in the ball joint mount line up with
the holes in the blower mounting bracket (Fig. 5).
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Page 10
1. Remove the 5 capscrews, 6 washers, and nut securing
2
3
the belt guard to the blower frame (Fig. 6).
2. Slide the drive shaft onto the traction unit PTO shaft
(Fig. 6). Align the mounting holes in each shaft and
slide them together.
3. Secure them with a roll pin and 2 capscrews and nuts
(Fig. 6).
1
Figure 5
1. Right mounting bracket
2. Left mounting bracket
5. Secure the ball joint mount to the right blower bracket
with the cutting unit mounting fasteners.
6. Have a helper carefully push down on the left push arm
until the holes in the ball joint mount line up with the
holes in the castor arm. Immediately slide a 4 x 4 in.
block of wood between the top of the push arm and
underside of the chassis.
3. Lift arm bracket
Warning
Sudden release of the lift arm could cause injury.
Make sure that the wooden block does not slip out
accidentally.
7. Secure the ball joint mount to left blower bracket with
the cutting unit mounting fasteners.
8. Carefully remove the wood block holding the push arm
down.
9. Pivot the blower rearward and secure the lift bracket to
the T-bar on the traction unit with the lift arm bracket
and pin.
2
1
Figure 6
1. Belt guard2. PTO shaft
4. Slide the shafts together.
5. Slide drive shaft onto the blower shaft. Align the
mounting holes in each shaft and slide them together.
6. Secure them with a roll pin and 2 capscrews and nuts.
7. Install the belt shaft guard with the fasteners previously
removed (Fig. 6).
Note: To ensure proper blower operation, check/adjust the
blower belt tension after the first 20 hours of operation;
refer to Adjusting the Blower Belt, page 13.
Rear Ballast
The Groundsmaster 300 series 2WD traction unit complies
with the ANSI B71.4-1990 Standard when (5) 35 lb.
weights (Part No. 24-5790) are installed. Order two Weight
Kits, Part No. 24-5780 and one Weight Kit, Part No.
24-5790 from your Toro Distributor.
Greasing the Blower
Installing the Drive Shaft
Danger
The PTO shaft rotates with enough force to cause
serious injury.
Do not start the engine and engage the PTO lever
when the PTO shaft is not connected to the blower
gear box.
Before the blower is operated, the PTO shaft must be
greased to ensure proper lubricating characteristics; refer to
Greasing the Blower in the Maintenance section;
page NO TAG. Failure to properly grease the unit will
result in premature failure of critical parts.
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Operation
Note: Determine the left and right sides of the machine
from the normal operating position.
Operating Tips
Warning
Discharged air has considerable force and could
cause injury or loss of footing.
• Stay away from the discharge opening when the
machine is operating.
• Keep bystanders away from the discharge
opening when the machine is running.
1. Start the traction unit and run it at a low RPM.
2. Lower the blower using the traction unit lift
mechanism.
3. Engage the PTO while the engine is at idle speed.
4. Increase the PTO speed to 1800 RPM.
5. Practice blowing material. It is advisable to blow the
same direction the wind is blowing to prevent material
from blowing back into the cleared area.
Adjusting the Discharge
Opening
The discharge opening is adjustable to increase or decrease
air output velocity and volume. Decreasing the discharge
opening size will increase the velocity.
1. Loosen the discharge opening deflector mounting
screws (Fig. 7).
1
2
Figure 7
1. Deflector2. Mounting screw
Transporting the Blower
1. Reduce the engine speed to idle position.
2. Disengage the PTO and wait for the PTO to stop.
3. Raise the blower to the transport position.
2. Pivot the deflector to the desired opening.
3. Tighten the mounting screws.
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Page 12
Maintenance
Note: Determine the left and right sides of the machine
from the normal operating position.
Lubrication
Idler Arm Bearing
The idler arm bearing (Fig. 8) must be lubricated after
every 8 hours of operation with a No. 2 Lithium-based
grease.
Figure 9
Drive Shaft and Guards
Under normal conditions, grease the 2 drive shaft fittings
after every 100 hours of use and the guards after every 8
hours of operation (Fig. 10). Use a No. 2 Lithium-based
grease.
Figure 8
Fan Shaft Bearing
The 2 fan shaft bearings (Fig. 8 and 9) must be lubricated
after every 8 hours of operation with a No. 2 Lithium-based
grease.
Castor Wheels
Under normal conditions, grease the 2 wheels and 2 wheel
pivot tubes (Fig. 9) after every 50 hours of use. Use a No. 2
Lithium-based grease.
Figure 10
12
Page 13
Adjusting the Blower Belt
Make sure belt is properly tensioned to ensure proper
operation of the machine and unnecessary wear. Check belt
frequently.
Note: Check/adjust the blower belt tension after the first 20
hours of operation.
1. Remove the 3 capscrews, 6 washers, and 3 nuts
securing the belt guard to the blower housing (Fig. 11).
Remove the guard.
Note: The drive shaft does not have to be disconnected to
adjust the belt.
1
Figure 11
1. Belt guard
2. A new belt is properly tensioned when the idler spring
body is extended to a length of 3-1/4 to 3-1/2 in.
(83–89 mm) (Fig. 12).
3. When the belt stretches, adjust it as follows:
A. Loosen the nuts securing the belt tensioner to the
blower housing.
B. Move the belt tensioner (Fig. 13) down until the
idler spring body is extended to a length of 3-1/4 to
3-1/2 in. (83–89 mm) (Fig. 12), then tighten the
nuts.
4. Install the belt guard to the blower housing with the
capscrews, washers, and nuts.
12
Figure 13
1. Belt tensioner2. Belt tensioner notch
3-1/4 to 3-1/2 in.
(83–89 mm)
1. Idler spring
1
Figure 12
13
Page 14
Troubleshooting
ProblemPossible CausesCorrective Action
The fan quits turning.1. The bolt on the PTO adapter
may be sheared.
There is excessive vibration.
There is lack of adequate air flow.
1. The bearing on the fan shaft is
damaged.
2. Material is built up on the fan
blades.
3. The RPM of the PTO shaft is
too fast.
1. The air slots are clogged with
debris.
2. The RPM on the tractor is too
slow.
3. The throttle on the tractor
engine is too blow.
1. Replace the bolt.
1. Replace the bearings.
2. Clean out any build up on the
inside of the housing.
3. Reduce the PTO speed to
540 RPM.
1. Clean out any debris from the
slots.
2. Increase the PTO speed to
540 RPM.
3. Make any necessary repairs to
bring the tractor speed up to
normal.
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Page 15
Storage
1. Thoroughly clean the blower. The fan housing should
be free of dirt, leaves, and debris.
2. Lubricate all grease fittings. Wipe off any excess
lubricant.
3. Place a light coat of grease on the splines of the PTO
adapter.
4. Tighten all fasteners.
15
Page 16
The Toro General Commercial Products Warranty
A Two-Year Limited Warranty
Conditions and Products Covered
The Toro Company and its affiliate, Toro Warranty Company,
pursuant to an agreement between them, jointly warrant your Toro
Commercial Product (“Product”) to be free from defects in
materials or workmanship for two years or 1500 operational
hours*, whichever occurs first. Where a warrantable condition
exists, we will repair the Product at no cost to you including
diagnosis, labor, parts, and transportation. This warranty begins
on the date the Product is delivered to the original retail purchaser.
* Product equipped with hour meter
Instructions for Obtaining Warranty Service
You are responsible for notifying the Commercial Products
Distributor or Authorized Commercial Products Dealer from whom
you purchased the Product as soon as you believe a warrantable
condition exists.
If you need help locating a Commercial Products Distributor or
Authorized Dealer, or if you have questions regarding your
warranty rights or responsibilities, you may contact us at:
Toro Commercial Products Service Department
Toro Warranty Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
952-888-8801 or 800-982-2740
E-mail: commercial.service@toro.com
Owner Responsibilities
As the Product owner, you are responsible for required maintenance and adjustments stated in your operator’s manual. Failure
to perform required maintenance and adjustments can be grounds
for disallowing a warranty claim.
Items and Conditions Not Covered
Not all product failures or malfunctions that occur during the
warranty period are defects in materials or workmanship. This
express warranty does not cover the following:
• Product failures which result from the use of non-Toro
replacement parts, or from installation and use of add-on,
modified, or unapproved accessories
• Product failures which result from failure to perform required
maintenance and/or adjustments
• Product failures which result from operating the Product in an
abusive, negligent or reckless manner
• Parts subject to consumption through use unless found to be
defective. Examples of parts which are consumed, or used up,
during normal Product operation include, but are not limited to,
blades, reels, bedknives, tines, spark plugs, castor wheels,
tires, filters, belts, etc.
• Failures caused by outside influence. Items considered to be
outside influence include, but are not limited to, weather,
storage practices, contamination, use of unapproved coolants,
lubricants, additives, or chemicals, etc.
• Normal “wear and tear” items. Normal “wear and tear”
includes, but is not limited to, damage to seats due to wear or
abrasion, worn painted surfaces, scratched decals or windows, etc.
Parts
Parts scheduled for replacement as required maintenance are
warranted for the period of time up to the scheduled replacement
time for that part.
Parts replaced under this warranty become the property of Toro.
T oro will make the final decision whether to repair any existing part
or assembly or replace it. Toro may use factory remanufactured
parts rather than new parts for some warranty repairs.
General Conditions
Repair by an Authorized Toro Distributor or Dealer is your sole
remedy under this warranty.
Neither The Toro Company nor Toro Warranty Company is
liable for indirect, incidental or consequential damages in
connection with the use of the Toro Products covered by this
warranty, including any cost or expense of providing substitute equipment or service during reasonable periods of
malfunction or non-use pending completion of repairs under
this warranty. Except for the Emissions warranty referenced
below, if applicable, there is no other express warranty. All
implied warranties of merchantability and fitness for use are
limited to the duration of this express warranty.
Some states do not allow exclusions of incidental or consequential
damages, or limitations on how long an implied warranty lasts, so
the above exclusions and limitations may not apply to you.
This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state.
Note regarding engine warranty: The Emissions Control
System on your Product may be covered by a separate warranty
meeting requirements established by the U.S. Environmental
Protection Agency (EPA) and/or the California Air Resources
Board (CARB). The hour limitations set forth above do not apply to
the Emissions Control System Warranty. Refer to the Engine
Emission Control Warranty Statement printed in your operator’s
manual or contained in the engine manufacturer’s documentation
for details.
Countries Other than the United States or Canada
Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer)
to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor’s service or
have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty
Company.
Part No. 374-0031 Rev. a
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