Toro 30366, 30368, Groundsmaster 3320, Groundsmaster 3280–D Operator's Manual
Form No. 3356–632 Rev B
72 in Side Discharge Mower
60 in Side Discharge Mower
Groundsmaster 3320 and 3280–D
Model No. 30368—Serial No. 270000001 and Up
Model No. 30366—Serial No. 270000001 and Up
Operator’s Manual
English (EN, GB)
Warning
CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of its constituents
are known to the State of California to cause
cancer, birth defects, and other reproductive harm.
Contents
Introduction 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safe Operating Practices 3. . . . . . . . . . . . . . . . . . . .
Toro Mower Safety 5. . . . . . . . . . . . . . . . . . . . . . . .
Safety and Instruction Decals 7. . . . . . . . . . . . . . . . .
Specifications 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 9. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setup 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loose Parts 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mount the Grass Deflector (Model 30368 only) 11. .
Installing the Lift Arms to the Traction Unit 11. . . . .
Connecting the Lift Arms to the Cutting Unit 12. . . .
Connecting PTO Shaft to Cutting Unit Gear Box 12.
Greasing the Machine 12. . . . . . . . . . . . . . . . . . . . . .
Before Operating 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the Lubricant in the Gear Box 13. . . . . . . .
Adjusting the Height-of-Cut 13. . . . . . . . . . . . . . . . .
Adjust the Cutting Unit Pitch 14. . . . . . . . . . . . . . . . .
Adjusting the Skids 15. . . . . . . . . . . . . . . . . . . . . . . .
Adjusting the Anti-Scalp Rollers 15. . . . . . . . . . . . . .
Adjusting the Rollers 15. . . . . . . . . . . . . . . . . . . . . . .
Adjusting the Flow Baffle 16. . . . . . . . . . . . . . . . . . .
Positioning the Flow Baffle 16. . . . . . . . . . . . . . . . . .
Correcting Cutting Unit Mismatch 17. . . . . . . . . . . .
Operation 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Side Discharge 18. . . . . . . . . . . . . . . . . . . .
Operating Tips 18. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Maintenance Schedule 19. . . . . . . . .
Greasing the Bearings, Bushings and Gear Box 19. .
Separating Cutting Unit from Traction Unit 21. . . . .
Mounting the Cutting Unit to the Traction Unit 21. .
Servicing the Castor Arm Bushings 22. . . . . . . . . . . .
Servicing the Castor Wheels and Bearings 22. . . . . .
Checking for a Bent Blade 23. . . . . . . . . . . . . . . . . . .
Removing and Installing the Cutter Blade(s) 23. . . . .
Inspecting and Sharpening the Cutter Blade(s) 24. . .
Correcting Cutting Unit Mismatch 24. . . . . . . . . . . .
Replacing the Drive Belt 25. . . . . . . . . . . . . . . . . . . .
W 2008 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Replacing the Grass Deflector 26. . . . . . . . . . . . . . . .
The Toro General Commercial Products Warranty 28. . .
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 numbers can be
found on a plate that is mounted on the mower housing.
Write the product model and serial numbers in the space
below:
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.
All Rights Reserved
Printed in the USA
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Safety
• incorrect hitching and load distribution.
This machine meets or exceeds CEN standard EN
836:1997 , ISO standard 5395:1990 and ANSI
B71.4-2004 specifications in effect at the time of
production when equipped with rear weight as listed in
the traction unit Operator’s Manual.
Improper use or maintenance by the operator or owner
can result in injury. To reduce the potential for injury,
comply with these safety instructions and always pay
attention to the safety alert
CAUTION, WARNING, or DANGER—“personal
safety instruction.” Failure to comply with the
instruction may result in personal injury or death.
symbol, which means
Safe Operating Practices
The following instructions are from the CEN standard EN
836:1997, ISO standard 5395:1990, and ANSI standard
B71.4-2004.
Training
• Read the Operator’s Manual and other training material
carefully. Be familiar with the controls, safety signs,
and the proper use of the equipment.
• Never allow children or people unfamiliar with these
instructions to use the mower. Local regulations may
restrict the age of the operator.
• Never mow while people, especially children, or pets
are nearby.
• Keep in mind that the operator or user is responsible for
accidents or hazards occurring to himself or herself,
other people, or property.
• Do not carry passengers.
• All drivers and mechanics should seek and obtain
professional and practical instruction. The owner is
responsible for training the users. Such instruction
should emphasize:
– the need for care and concentration when working
with ride-on machines;
– control of a ride-on machine sliding on a slope will
not be regained by the application of the brake. The
main reasons for loss of control are:
• insufficient wheel grip;
• being driven too fast;
Preparation
• While mowing, always wear substantial footwear, long
trousers, hard hat, safety glasses, and ear protection.
Long hair, loose clothing or jewelry may get tangled in
moving parts. Do not operate the equipment when
barefoot or wearing open sandals.
• Thoroughly inspect the area where the equipment is to
be used and remove all objects which may be thrown by
the machine.
• Warning—fuel is highly flammable. Take the
following precautions:
– Store fuel in containers specifically designed for this
purpose.
– Refuel outdoors only and do not smoke while
refuelling.
– Add fuel before starting the engine. Never remove
the cap of the fuel tank or add fuel while the engine
is running or when the engine is hot.
– If fuel is spilled, do not attempt to start the engine
but move the machine away from the area of
spillage and avoid creating any source of ignition
until fuel vapors have dissipated.
– Replace all fuel tank and container caps securely.
• Replace faulty silencers/mufflers.
• Before using, always visually inspect to see that the
blades, blade bolts, and cutting assembly are not worn
or damaged. Replace worn or damaged blades and bolts
in sets to preserve balance.
• Take care as rotating one blade can cause other blades
to rotate.
• Evaluate the terrain to determine what accessories and
attachments are needed to properly and safely perform
the job. Only use accessories and attachments approved
by the manufacturer.
• Check that operator’s presence controls, safety
switches, and shields are attached and functioning
properly. Do not operate unless they are functioning
properly.
Operation
• Do not operate the engine in a confined space where
dangerous carbon monoxide fumes can collect.
• inadequate braking;
• the type of machine is unsuitable for its task;
• lack of awareness of the effect of ground
conditions, especially slopes;
• Mow only in daylight or in good artificial light.
• Before attempting to start the engine, disengage the
power take off (PTO), move traction pedal to neutral,
and engage the parking brake. Only start the engine
from the operator’s position.
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• Always use seat belts with ROPS.
• Remember there is no such thing as a safe slope. Travel
on grass slopes requires particular care. To guard
against overturning:
– if the machine starts to vibrate abnormally (check
immediately).
• Disengage drive to attachments when transporting or
not is use.
– Do not stop or start suddenly when going up or
downhill.
– Engage the clutch slowly, always keep the machine
in gear, especially when travelling downhill.
– The machine speed should be kept low on slopes
and during tight turns.
– Stay alert for humps and hollows and other hidden
hazards.
• Stay alert for holes in the terrain and other hidden
hazards.
• This machine is not designed or equipped for on–road
use and is a “slow–moving vehicle.” If you must cross
or travel on a public road, you should be aware of and
comply with local regulations, such as required lights,
slow moving vehicle signs, and reflectors.
• Stop the blades from rotating before crossing surfaces
other than grass.
• When using any attachments, never direct discharge of
material toward bystanders nor allow anyone near the
machine while in operation.
• Never operate the machine with damaged guards,
shields, or without safety protective devices in place. Be
sure all interlocks are attached, adjusted properly, and
functioning properly.
• Stop the engine and disengage drive to attachment:
– before refuelling;
– before making height adjustment unless adjustment
can be made from the operator’s position.
• Reduce the throttle setting before stopping engine and,
if the engine is provided with a fuel shut-off valve, turn
the fuel off at the conclusion of mowing.
• Never raise deck with the blades running.
• Keep hands and feet away from the cutting units.
• Look behind and down before backing up to be sure of
a clear path.
• Slow down and use caution when making turns and
crossing roads and sidewalks.
• Do not operate the mower under the influence of
alcohol or drugs.
• Use care when loading or unloading the machine into a
trailer or truck.
• The operator shall turn on flashing warning lights, if
provided, whenever traveling on a public road, except
where such use is prohibited by law.
Maintenance and Storage
• Do not change the engine governor settings or
overspeed the engine. Operating the engine at excessive
speed may increase the hazard of personal injury.
• Before leaving the operator’s position:
– Stop on level ground.
– Disengage the power take-off and lower the
attachments.
– Change into neutral and set the parking brake.
– Stop the engine and remove the key.
• Disengage drive to attachments, stop the engine, and
disconnect the spark plug wire(s) or remove the ignition
key:
– before clearing blockages;
– before checking, cleaning, or working on the
machine;
– after striking a foreign object. Inspect the machine
for damage and make repairs before restarting and
operating the equipment;
• Keep all nuts, bolts, and screws tight to be sure the
equipment is in safe working condition.
• Never store the equipment with fuel in the tank inside a
building where fumes may reach an open flame or
spark.
• Allow the engine to cool before storing in any enclosure
and do not store near flame.
• To reduce the fire hazard, keep the engine,
silencer/muffler, battery compartment, cutting units,
drives, and fuel storage area free of grass, leaves, or
excessive grease. Clean up oil or fuel spillage.
• Replace worn or damaged parts for safety.
• If the fuel tank has to be drained, do this outdoors.
• When machine is to be parked, stored, or left
unattended, lower the cutting units unless a positive
mechanical lock is provided.
• Disengage drives, lower the cutting units, move traction
pedal to Neutral, set parking brake, stop engine and
remove key and disconnect spark plug wire. Wait for all
movement to stop before adjusting, cleaning or
repairing.
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• Shut off fuel while storing or transporting. Do not store
fuel near flames.
• Park machine on level ground. Never allow untrained
personnel to service machine.
• Use jack stands to support the machine when required.
• Carefully release pressure from components with stored
energy.
• Disconnect battery or remove spark plug wire before
making any repairs. Disconnect the negative terminal
first and the positive last. Reconnect positive first and
negative last.
• Use care when checking blades. Wrap the blades or
wear gloves, and use caution when servicing them.
Only replace blades. Never straighten or weld them.
• Keep hands and feet away from moving parts. If
possible, do not make adjustments with the engine
running.
• Charge batteries in an open well ventilated area, away
from spark and flames. Unplug charger before
connecting or disconnecting from battery. Wear
protective clothing and use insulated tools.
• Wearing safety shoes and long pants is advisable and
required by some local ordinances and insurance
regulations.
• Keep hands, feet, and clothing away from moving parts
and the mower discharge area and underside of the
mower while the engine is running.
• Fill fuel tank until level is 1 in. (25 mm) below the
bottom of the filler neck. Do not overfill.
• Check the safety interlock switches daily for proper
operation. If a switch should fail, replace the switch
before operating the machine.
• Check carefully for overhead clearances (i.e. branches,
doorways, electrical wires) before driving under any
objects and do not contact them.
• Do not mow in reverse unless absolutely necessary.
• Reduce speed when making sharp turns.
• If a steep slope must be ascended, back up the hill and
drive forward down the hill, keeping the machine in
gear.
• If you cannot back up a slope or if you feel uneasy on it,
do not mow it.
Toro 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 CEN, ISO, or ANSI
standards.
This product is capable of amputating hands and feet and
throwing objects. Always follow all safety instructions to
avoid serious injury or death.
Use of this product for purposes other than its intended use
could prove dangerous to user and bystanders.
Warning
Engine exhaust contains carbon monoxide, which
is an odorless, deadly poison that can kill you.
Do not run engine indoors or in an enclosed area.
Operation
• Before operating a machine with ROPS (roll over
protection system), be certain that the seat belts are
attached. Refer to the traction unit operator’s manual for
further instructions.
• Avoid starting or stopping on a slope. If tires lose
traction, disengage the blades and proceed slowly
straight down the slope. Avoid raising the side cutting
units on a slope.
• Avoid turning on slopes. If you must turn, turn slowly
and gradually downhill, if possible.
• When operating the machine on slopes, banks, or near
drop offs, always have the ROPS in the the up posittion.
• When operating a machine with a ROPS, always use a
seat belt.
• Be certain that the seat belt can be released quickly if
the machine is driven or rolls into a pond or water.
• Watch for traffic when near or crossing roads. Always
yield the right-of-way.
• Do not mow near drop-offs, ditches, or embankments.
The machine could suddenly turn over if a wheel goes
over the edge of a cliff or ditch, or if an edge caves in.
• Do not mow on wet grass. Reduced traction could cause
sliding.
• Use extra care with other attachments. These can
change the stability of the machine.
• Turn off the blades when not mowing.
• Know how to stop the machine and engine quickly.
• Do not operate the machine while wearing tennis shoes
or sneakers.
5
Maintenance and Storage
• Do not touch equipment or attachment parts which may
be hot from operation. Allow to cool before attempting
to maintain, adjust, or service.
• Never store the machine or fuel container inside where
there is an open flame, such as near a water heater or
furnace.
• Keep nuts and bolts tight, especially the blade
attachment bolts. Keep equipment in good condition.
• Make sure all hydraulic line connectors are tight and all
hydraulic hoses and lines are in good condition before
applying pressure to the system.
• Keep your body and hands away from pin hole leaks or
nozzles that eject hydraulic fluid under high pressure.
Use paper or cardboard, not your hands, to search for
leaks. Hydraulic fluid escaping under pressure can have
sufficient force to penetrate the skin and cause serious
injury. If fluid is injected into the skin it must be
surgically removed within a few hours by a doctor
familiar with this form of injury or gangrene may result.
• If the engine must be running to perform a maintenance
adjustment, keep hands, feet, clothing, and any parts of
the body away from the cutting units, attachments, and
any moving parts. Keep everyone away.
• Check brake operation frequently. Adjust and service as
required.
• Battery acid is poisonous and can cause burns. Avoid
contact with skin, eyes, and clothing. Protect your face,
eyes, and clothing when working with a battery.
• Battery gases can explode. Keep cigarettes, sparks, and
flames away from the battery.
• The engine must be shut off before checking the oil or
adding oil to the crankcase.
• If major repairs are ever needed or if assistance is
desired, contact an Authorized Toro Distributor.
• To make sure of optimum performance and continued
safety certification of the machine, use only genuine
Toro replacement parts and accessories. Replacement
parts and accessories made by other manufacturers
could be dangerous, and such use could void the
product warranty.
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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.
106-6753
1. Thrown object
hazard—keep bystanders
a safe distance from the
machine.
2. Cutting/dismemberment
hazard of hand or foot,
mower blade—stay away
from moving parts.
93-6697
1. Read the Operator’s
Manual.
2. Add SAE 80w–90 (API
GL-5) oil every 50 hours.
93-7818
1. Danger—read the operator’s manual for blade torque
specification.
1. Remove the ignition key and
read the instructions before
servicing or performing
maintenance.
100-5622
1. Height of cut adjustment
2. Do not operate the mower
with the deflector up or
removed; keep the deflector
in place.
107-2916
3. Thrown object hazard—keep
bystanders a safe distance
from the machine.
1. Entanglement hazard, belt—do not operate the machine with
the shields or guards removed; always keep the shields and
guards in place. Stay away from moving parts.
4. Cutting/dismemberment
hazard of hand or foot,
mower blade—stay away
from moving parts
100-6578
7
107-2908
1. Thrown object
hazard—keep bystanders
a safe distance from the
machine.
2. Thrown object hazard,
mower—keep the
deflector in place.
3. Cutting/dismemberment
hazard of hand or foot,
mower blade—stay away
from moving parts.
115-4505
1. Warning—read the Operator’s Manual.
2. Tipping hazard—lower the cutting unit when driving down
slopes. For 2 wheel drive units, add a 16 kg (35 lb) rear weight
to GM 3280D units and a 32 kg (70 lb) rear weight to GM 3320
units. For 4 wheel drive 3280 D units, add a 16 kg (32 lb) rear
weight.
108-1986
1. Height of cut
1. Belt routing
107-1622
108-1988
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Specifications
Specifications
Width of cut 60 in. or 72 in. width of cut, 3 blades.
Height of cut
Construction Housing is made of 7 gauge steel and reinforced with channels and plates.
Cutter drive
Blades Three 1/4 in. thick, heat-treated steel
Suspension and castor
wheels
Anti-scalp features
Cutting unit covers Steel covers
Note: Specifications subject to change without notice.
1–5 in. (25–127 mm) adjustable in 1/2 in. (13 mm) increments. Height of cut adjustment is achieved by changing spacers on castor wheels and length of height of cut rod.
Isolation mounted gear box on cutting unit is driven by a PTO shaft. Power is
transmitted to the blades by one belt. Spindle shafts are supported by 2
greaseable, tapered roller bearings.
Cutting unit has two front castors, consisting of 8 in. x 3.5 in. pneumatic wheel and
tire assembly with sealed ball bearings. Rear of cutting unit is suspended from lift
arms with adjustment links for cutting unit rake.
Anti-scalp cup located on each blade. Anti-scalp rollers. Adjustable skid on each
end of cutting unit.
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