Toro 31900A User manual

Form No. 3466-395 Rev A
Groundsmaster
®
3300, 3310, and
3200 2-Wheel or 4-Wheel Drive
T raction Unit
Model No. 31900A —Serial No. 400000000 and Up
Model No. 31901A —Serial No. 400000000 and Up
Model No. 31907A —Serial No. 400000000 and Up
Model No. 31909A —Serial No. 400000000 and Up
Register at www .T oro.com.
Original Instructions (EN)
*3466-395*

Models 31900A and 31901A comply with all relevant
European directives; for details, please see the
separate product specic Declaration of Conformity
(DOC) sheet.
Models 31907A and 31909A do not comply with
relevant European directives.
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
Diesel engine exhaust and some of its
constituents are known to the State of
California to cause cancer , birth defects,
and 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 machine is a ride-on, multi-purpose machine
intended to be used by professional, hired operators
in commercial applications. It is primarily designed for
maintaining grass on well-maintained lawns in parks,
sports elds, and on commercial grounds. 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 product safety and operation
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.
g299536
Figure 1
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.
© 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

g000502
Figure 2
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.
Contents
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety and Instructional Decals . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1
1 Removing the Machine from the Shipping
Container . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2 Installing the Rear T ires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 Removing the Front T ires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4 Installing the Lift-Arm Assembly . . . . . . . . . . . . . . . . . . . . . 13
5 Installing the Front T ires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6 Installing the T ie-Down Bracket . . . . . . . . . . . . . . . . . . . . . . 15
7 Installing the Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8 Installing the Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . 16
9 Installing the Sound Decal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
10 Installing the Bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
1 1 Adjusting the Roll-Bar Position . . . . . . . . . . . . . . . . . . . . . 18
12 Connecting the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
13 Installing the Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
14 Checking the Fluid Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
15 Checking the T ire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 20
16 Installing the CE Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
17 Adding Rear W eight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
18 Adjusting the W eight T ransfer of the
Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Cab Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Width Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Attachments/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Before Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Before Operation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Checking the Machine Daily . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Checking the T ire Air Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Adding Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Checking the Safety-Interlock System . . . . . . . . . . . . . . 37
Adjusting the Roll Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Understanding the Display-Screen
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
During Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
During Operation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Resetting the PT O Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Understanding T urnaround Mode . . . . . . . . . . . . . . . . . . . . . 43
Shutting Of f the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
After Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
After Operation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Servicing the Cutting Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
T owing the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Hauling the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Maintenance Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Recommended Maintenance Schedule(s) . . . . . . . . . . . 47
Daily Maintenance Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Pre-Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Raising the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Raising the Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Greasing the Bearings and Bushings . . . . . . . . . . . . . . . . 51
Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Engine Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Servicing the Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Servicing the Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Fuel System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Draining W ater from the Fuel/W ater
Separator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Servicing the Fuel/W ater Separator
...................................................................... 56
Servicing the Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Cleaning the Fuel T ank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Inspecting the Fuel Lines and
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Electrical System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Electrical System Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Accessing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Disconnecting the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Connecting the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Removing or Installing the Battery . . . . . . . . . . . . . . . . . . . . 60
Checking the Battery Condition . . . . . . . . . . . . . . . . . . . . . . . . . 60
Locating the Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Drive System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
T orquing the Wheel-Lug Nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Aligning the PT O Driveshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Cooling System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Cooling System Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Coolant Specication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Checking the Cooling System and Coolant
Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Checking the Hood-Air-Intake Screen . . . . . . . . . . . . . . . 64
Checking the Cooling Fins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Inspecting the Cooling-System Hoses . . . . . . . . . . . . . . 64
Brake Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Checking and Adjusting the Parking
Brake ............................................................ 65
Belt Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Checking the Alternator-Belt T ension . . . . . . . . . . . . . . . . 66
Servicing the T raction Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Controls System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Adjusting the PT O-Clutch Gap . . . . . . . . . . . . . . . . . . . . . . . . . . 67
3

Adjusting the T raction-Pedal Stop . . . . . . . . . . . . . . . . . . . . . 67
Hydraulic System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Hydraulic System Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Hydraulic Fluid Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Checking the Hydraulic-Fluid Level . . . . . . . . . . . . . . . . . . . 69
Changing the Hydraulic Fluid and
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Checking the Hydraulic Lines and
Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Cab Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Cleaning the Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Cleaning the Cab Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Cleaning the Cab-Condenser Filter . . . . . . . . . . . . . . . . . . . 72
Replacing the Dome Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Filling the Windshield-Wiper-Fluid
Reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Storage Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Preparing the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Safety
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.
•Use your full attention while operating the
machine. Do not engage in any activity that
causes distractions; otherwise, injury or property
damage may occur .
•Do not operate the machine without all guards
and other safety protective devices in place and
functioning properly on the machine.
•Keep your hands and feet away from rotating
parts. Keep clear of the discharge opening.
•Keep bystanders and children out of the operating
area. Never allow children to operate the machine.
•Shut of f the engine, remove the key , and wait
for all movement to stop before you leave the
operator ’ s position. Allow the machine to cool
before adjusting, servicing, cleaning, or storing it.
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.
4

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.
decal93-7272
93-7272
1. Cutting/dismemberment hazard; fan—stay away from
moving parts.
decal106-5976
106-5976
1. Engine coolant under
pressure
3. W arning—do not touch the
hot surface.
2. Explosion hazard—read
the Operator's Manual .
4. W arning—read the
Operator's Manual .
decal106-9206
106-9206
1. Wheel torque specications
2. Read the Operator's Manual .
decal108-2073
108-2073
1. W arning—there is no rollover protection when the roll bar is
down.
2. T o avoid injury or death from a rollover accident, keep the
roll bar in the raised and locked position and wear the seat
belt. Lower the roll bar only when absolutely necessary; do
not wear the seat belt when the roll bar is down.
3. Read the Operator's Manual ; drive slowly and carefully .
5