Toro GrandStand 71504 User manual

Form No. 3463-252 Rev A
GrandStand
®
Mower
W ith 48in, 52in, or 60in TURBO FORCE
®
Cutting Unit
Model No. 71504 —Serial No. 414300000 and Up
Model No. 71505 —Serial No. 412656247 and Up
Model No. 72504 —Serial No. 414556000 and Up
Model No. 72505 —Serial No. 414861000 and Up
Model No. 72509 —Serial No. 414862000 and Up
Register at www .T oro.com.
Original Instructions (EN)
*3463-252*

It is a violation of California Public Resource Code
Section 4442 or 4443 to use or operate the engine on
any forest-covered, brush-covered, or grass-covered
land unless the engine is equipped with a spark
arrester , as dened in Section 4442, maintained in
ef fective working order or the engine is constructed,
equipped, and maintained for the prevention of re.
The enclosed engine owner's manual is supplied
for information regarding the US Environmental
Protection Agency (EP A) and the California Emission
Control Regulation of emission systems, maintenance,
and warranty . Replacements may be ordered through
the engine manufacturer .
W ARNING
CALIFORNIA
Proposition 65 W arning
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer , birth defects,
or other reproductive harm.
Battery posts, terminals, and related
accessories contain lead and lead
compounds, chemicals known to
the State of California to cause
cancer and reproductive harm. W ash
hands after handling.
Use of this product may cause exposure
to chemicals known to the State of
California to cause cancer , birth defects,
or other reproductive harm.
Introduction
This rotary-blade, stand-on lawn mower is intended
to be used by professional, hired operators. It is
designed primarily for cutting grass on well-maintained
lawns on residential or commercial 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. Y ou are responsible for
operating the product properly and safely .
V isit www .T oro.com for more information, including
safety tips, training materials, accessory information,
help nding a dealer , or to register your product.
Whenever you need service, genuine T oro parts, or
additional information, contact an Authorized Service
Dealer or T oro Customer Service and have the model
and serial numbers of your product ready . Figure 1
identies the location of the model and serial numbers
on the product. W rite the numbers in the space
provided.
Important: W ith your mobile device, you can
scan the QR code on the serial number decal (if
equipped) to access warranty , parts, and other
product information.
g235457
Figure 1
1. Location of the model and serial numbers
Model No.
Serial No.
This manual identies potential hazards and has
safety messages identied 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.
g000502
Figure 2
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.
© 2023—The T oro® Company
81 1 1 L yndale A venue South
Bloomington, MN 55420
2
Contact us at www .T oro.com.
Printed in the USA
All Rights Reserved

Contents
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety and Instructional Decals . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Attachments/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Before Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
Before Operation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
Adding Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
Performing Daily Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Breaking in a New Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Using the Safety-Interlock System . . . . . . . . . . . . . . . . . . . . 12
During Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
During Operation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operating the Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Operating the Mower-Blade-Control Switch
(PT O) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Operating the Throttle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Operating the Choke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Operating the Ignition Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Shutting Of f the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Operating the Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Driving Forward or Backward . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Side Discharging or Mulching the
Grass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Adjusting the Height-of-Cut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Adjusting the Anti-Scalp Rollers . . . . . . . . . . . . . . . . . . . . . . . . 21
Adjusting the Flow Baf e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Positioning the Flow Baf e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Using W eights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
After Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
After Operation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Using the Fuel-Shutof f V alve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Pushing the Machine by Hand . . . . . . . . . . . . . . . . . . . . . . . . . . 24
T ransporting the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Maintenance Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Recommended Maintenance Schedule(s) . . . . . . . . . . . 27
Pre-Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Releasing the Cushion for Rear Access . . . . . . . . . . . . 28
Opening the Engine Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Greasing the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Greasing the T orsion Idler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Greasing the Front Caster Pivots . . . . . . . . . . . . . . . . . . . . . . 30
Greasing the Caster-Wheel Hubs . . . . . . . . . . . . . . . . . . . . . 30
Greasing the Motion Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Engine Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Servicing the Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Servicing the Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Servicing the Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Checking the Spark Arrester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Fuel System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Draining the Fuel T ank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Removing the Fuel T ank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Replacing the Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Electrical System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Electrical System Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Servicing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Servicing the Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Drive System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Adjusting the T racking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Checking the T ire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Adjusting the Caster-Pivot Bearing . . . . . . . . . . . . . . . . . . . 41
Servicing the Caster Wheels and
Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Removing the Clutch Shim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Checking the Wheel-Lug Nuts . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Cooling System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cleaning the Air-Intake Screen . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cleaning the Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Brake Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
T esting the Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Adjusting the Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Belt Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Checking the Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Replacing the Mower-Deck Belt . . . . . . . . . . . . . . . . . . . . . . . . 45
Replacing the T ransmission Belt . . . . . . . . . . . . . . . . . . . . . . 46
Controls System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Adjusting the Motion-Control Levers . . . . . . . . . . . . . . . . . 47
Hydraulic System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Hydraulic System Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Hydraulic System Specications . . . . . . . . . . . . . . . . . . . . . . . 48
Checking the Hydraulic Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Replacing the Hydraulic Fluid and
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Bleeding the Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . 49
Mower Deck Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Blade Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Servicing the Cutting Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Leveling the Mower Deck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Adjusting the Deck-Lift Spring . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Replacing the Grass Deector . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Cleaning under the Mower Deck . . . . . . . . . . . . . . . . . . . . . . . 55
Disposing of W aste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Storage Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
T roubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
3

Safety
This machine has been designed in accordance with
ANSI B71.4-2017.
General Safety
This product is capable of amputating hands and
feet and of throwing objects. Always follow all safety
instructions to avoid serious personal injury .
•Read and understand the contents of this
Operator ’ s Manual before starting the engine.
•Do not put your hands or feet near moving
components of the machine.
•Do not operate the machine without all guards
and other safety protective devices in place and
functioning properly on the machine.
•Keep clear of the discharge opening.
•Keep bystanders and children out of the operating
area. Do not allow children to operate the machine.
Allow only people who are responsible, trained,
familiar with the instructions, and physically
capable to operate the machine.
•Stop the machine, shut of f the engine, and remove
the ignition key before servicing, fueling, or
unclogging the machine.
Improperly using or maintaining this machine can
result in injury . T o reduce the potential for injury ,
comply with these safety instructions and always
pay attention to the safety-alert symbol , which
means Caution, W arning, or Danger—personal safety
instruction. Failure to comply with these instructions
may result in personal injury or death.
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.
decalbatterysymbols
Battery Symbols
Some or all of these symbols are on your battery .
1. Explosion hazard 6. Keep bystanders away .
2. No re, open ames, or
smoking
7. W ear eye
protection—explosive
gases can cause blindness
and other injuries.
3. Caustic liquid/chemical
burn hazard
8. Battery acid can cause
severe burns.
4. W ear eye protection. 9. Flush eyes immediately
with water and get medical
help fast.
5. Read the Operator ’ s
Manual .
10. Contains lead; do not
discard.
decaloemmarkt
Manufacturer's Mark
1. This mark indicates that the blade is identied as a part
from the original machine manufacturer .
decal106-5517
106-5517
1. W arning—do not touch the hot surface.
4

Decal 1 12-3858 is for machines with 60in decks only .
decal1 12-3858
1 12-3858
1. Read the Operator's
Manual .
3. Remove the key before
adjusting the height of cut.
2. Read the Operator's
Manual before performing
maintenance.
4. Height-of-cut settings
decal1 16-8283
1 16-8283
1. W arning—read the Operator's Manual for instructions on
torquing the blade bolt/nut to 75 to 81 N∙m (55 to 60 ft-lb).
decal1 16-8775
1 16-8775
1. Read the Operator ’ s
Manual.
2. W arning—ll to the bottom
of the ller neck; do not
overll the tank.
decal131-1 180
131-1 180
1. Read the Operator's
Manual .
3. Bagging setting
2. Short, light grass; dry
conditions
4. T all, dense grass; wet
conditions
decal131-3507
131-3507
1. Read the Operator's
Manual .
2. Belt tensioner
5