Toro Groundmaster 31903 Manuals

Manuals and User Guides for Toro Groundmaster 31903. We have 3 Toro Groundmaster 31903 manuals available for free PDF download: Service Manual, Operator's Manual

Toro Groundmaster 31903 Service Manual (355 pages)

Brand: Toro | Category: Lawn Mower | Size: 21.3 MB

Table of Contents

7
- Chapter 1 :Safety
  10
- Safety Instructions
  10
- Think Safety First
  11
- Jacking Instructions
  14
- Safety and Instructional Decals
  15
Table of Contents

17
Table of Contents

37
Table of Contents

63
- General Information
  64
  - Traction Unit Operator's Manual
    64
  - Yanmar Service and Troubleshooting Manuals
    64
- Chapter 4: Engine
  65
- Engine Electronic Control Unit (ECU) (Models 31902 and 31903)
  65
  - Yanmar Engines
    67
  - Diesel Particulate Filter
    67
- Service and Repairs
  71
  - Air Cleaner Assembly
    71
  - Exhaust System
    73
  - Radiator
    75
  - Fuel System
    78
  - Engine
    81
Table of Contents

87
Table of Contents

193
- Chapter 6 :Electricalsystem
  194
- General Information
  194
- Electrical Schematics and Wire Harness Drawings/Diagrams
  198
- Electrical System Quick Checks
  199
  - Testing the Charging System
    199
  - Checking the Operation of the Interlock Switches
    200
- Testing the Electrical Components
  201
  - Fusible Link Harness
    202
  - Fuses
    204
  - CAN Bus
    209
  - TDM Display/Controller
    211
  - Key Switch
    214
  - PTO Switch
    215
  - Lift/Lower Switch
    216
  - Glow Plug Switch (Model 31900, 31901, 31907 and 31909)
    217
  - Throttle Switch (Model 31902 and 31903)
    218
  - Seat Switch
    219
  - Traction Neutral Switch
    221
  - Parking Brake Switch
    224
  - Cutting Unit High Trim Height Switch
    226
  - Windshield Washer/Wiper Switch (Model 31903 and 31909)
    229
  - Air Conditioning On/Off Switch (Model 31903 and 31909)
    230
  - Fan Speed Switch (Model 31903 and 31909)
    231
  - Multifunction Switch (Optional)
    232
  - Hazard Switch (Optional)
    233
  - Relays with 4 Terminals
    234
  - Relays with 5 Terminals
    237
  - PTO Clutch
    240
  - Fuel Pump
    242
  - Transient Voltage Suppression (TVS) Diode
    244
  - Diode Assemblies (Model 31902 and 31903)
    245
  - Resistor Assemblies
    247
  - CAN Bus Terminator Resistors
    248
  - Hydraulic Solenoid Valve Coils
    251
- Service and Repairs
  253
  - Caring for the Battery
    253
  - Storing the Battery
    254
  - Servicing the Battery
    255
Table of Contents

261
- Chapter 7 :Chassis
  262
- General Information
  262
  - Traction Unit Operator's Manual and Accessory Installation Instructions
    262
- Adjustments
  263
- Service and Repairs
  265
  - Wheels
    265
  - Parking Brakes
    267
  - Traction Pedal, Cable, and Control Assembly
    271
  - Steering Column
    273
  - Rear Axle and Spindles
    276
  - PTO Shaft
    279
  - Servicing the PTO Shaft Cross and Bearing
    280
  - PTO Clutch
    281
  - Operator's Console
    283
  - Hood
    284
  - Operator Seat
    286
  - Mechanical Suspension Seat (Model 31981)
    288
  - Air Ride Suspension Seat (Model 31982)
    289
  - Lift Arms
    290
General Information/Service and Repairs

293
- Chapter 8 :Cuttingunits
  294
- General Information
  294
  - Cutting Unit Operator's Manual
    294
  - Blade Stopping Time
    294
- Service and Repairs
  295
  - Rotary Cutting Units
    295
  - Flail Cutting Unit (Model 02835) Information Pending
    314
Table of Contents

315
- Chapter 9 :Operatorcab
  316
- General Information
  316
- Adjustments
  321
  - Adjusting the Compressor Belt Tension
    321
  - Adjusting the Doors
    322
- Service and Repairs
  323
Table of Contents

333

Toro Groundmaster 31903 Operator's Manual (72 pages)

All-Wheel Drive Traction Unit

Brand: Toro | Category: Lawn Mower | Size: 8.83 MB

Figure 1
2
Table of Contents
3
Safety
4
General Safety
4
Safety and Instructional Decals
5
Setup
11
Removing the Machine from the Shipping Container
12
Installing the Rear Tires
12
Removing the Front Tires
12
Installing the Lift-Arm Assembly
13
Installing the Front Tires
15
Installing the Tie-Down Bracket
15
Installing the Seat
16
Installing the Steering Wheel
16
Installing the Bumper
17
Connecting the Battery
17
Installing the Attachment
18
Checking the Fluid Levels
19
Checking the Tire Pressure
19
Installing the CE Kit
19
Adding Rear Weight
20
Adjusting the Weight Transfer of the Attachment
23
Product Overview
24
Controls
24
Console
25
Cab Controls
26
Specifications
27
Width Specifications
28
Attachments/Accessories
28
Before Operation
28
Before Operation Safety
28
Checking the Machine Daily
29
Checking the Tire Air Pressure
29
Adding Fuel
29
Checking the Safety-Interlock System
30
Adjusting the Roll Bar
31
Understanding the Display-Screen Information
32
During Operation
35
During Operation Safety
35
Understanding the Diesel-Particulate Filter and Regeneration
36
Starting the Engine
39
Resetting the PTO Function
39
Shutting off the Engine
39
After Operation
39
After Operation Safety
39
Servicing the Cutting Unit
39
Towing the Machine
42
Hauling the Machine
42
Maintenance
43
Maintenance Safety
43
Recommended Maintenance Schedule(S)
44
Daily Maintenance Checklist
45
Pre-Maintenance Procedures
46
Raising the Machine
46
Raising the Hood
46
Lubrication
47
Greasing the Bearings and Bushings
47
Engine Maintenance
49
Engine Safety
49
Servicing the Engine Oil
49
Servicing the Air Cleaner
51
Fuel System Maintenance
52
Draining Water from the Fuel/Water Separator
52
Servicing the Fuel/Water Separator
53
Servicing the Fuel Filter
53
Cleaning the Fuel Tank
53
Inspecting the Fuel Lines and Connections
53
Electrical System Maintenance
54
Electrical System Safety
54
Accessing the Battery
54
Disconnecting the Battery
54
Connecting the Battery
55
Removing or Installing the Battery
55
Checking the Battery Condition
56
Locating the Fuses
56
Drive System Maintenance
57
Torquing the Wheel-Lug Nuts
57
Aligning the PTO Driveshaft
58
Cooling System Maintenance
58
Cooling System Safety
58
Coolant Specifications
58
Checking the Cooling System and Coolant Level
58
Checking the Hood-Air-Intake Screen
59
Checking the Cooling Fins
59
Inspecting the Cooling-System Hoses
60
Brake Maintenance
60
Checking and Adjusting the Parking Brake
60
Belt Maintenance
61
Checking the Alternator-Belt Tension
61
Servicing the Traction Belt
61
Controls System Maintenance
63
Adjusting the PTO-Clutch Gap
63
Adjusting the Traction-Pedal Stop
63
Hydraulic System Maintenance
64
Hydraulic System Safety
64
Hydraulic Fluid Specifications
64
Checking the Hydraulic-Fluid Level
65
Changing the Hydraulic Fluid and Filters
66
Checking the Hydraulic Lines and Hoses
67
Cab Maintenance
67
Cleaning the Cab
67
Cleaning the Cab Air Filters
67
Cleaning the Cab Condenser Filter
68
Replacing the Dome Light
68
Filling the Windshield-Wiper-Fluid Reservoir
69
Storage
69
Storage Safety
69
Preparing the Machine
69

Toro Groundmaster 31903 Operator's Manual (68 pages)

All-Wheel Drive Traction Unit

Brand: Toro | Category: Lawn Mower | Size: 8.11 MB

Figure 1
2
Table of Contents
3
Safety

4
- General Safety
  4
- Safety and Instructional Decals
  5
Setup

10
Product Overview

19
- Controls
  19
  - Traction Pedal
    19
  - Console
    20
  - Parking Brake
    20
  - Cab Controls
    21
  - Specifications
    22
  - Attachments/Accessories
    23
  - Width Specifications
    23
- Before Operation
  23
  - Before Operation Safety
    23
  - Checking the Machine Daily
    24
  - Fuel Safety
    24
  - Checking the Tire Air Pressure
    24
  - Adding Fuel
    24
  - Checking the Safety-Interlock System
    25
  - Filling the Fuel Tank
    25
  - Adjusting the Roll Bar
    26
  - Understanding the Display-Screen Information
    27
  - Main Menu
    28
- During Operation
  30
- Resetting the PTO Function
  34
- Shutting off the Engine
  34
- After Operation
  34
  - After Operation Safety
    34
  - Servicing the Cutting Unit
    34
  - Towing the Machine
    37
  - Hauling the Machine
    37
Maintenance

38
- Maintenance Safety
  38
- Recommended Maintenance Schedule(S)
  38
  - Daily Maintenance Checklist
    39
- Pre-Maintenance Procedures
  40
  - Raising the Machine
    40
  - Raising the Hood
    41
- Lubrication
  42
  - Greasing the Bearings and Bushings
    42
- Engine Maintenance
  44
  - Engine Safety
    44
  - Servicing the Engine Oil
    44
  - Servicing the Air Cleaner
    46
- Fuel System Maintenance
  47
- Electrical System Maintenance
  48
  - Electrical System Safety
    48
  - Accessing the Battery
    48
  - Disconnecting the Battery
    49
  - Connecting the Battery
    49
  - Removing or Installing the Battery
    50
  - Checking the Battery Condition
    50
  - Locating the Fuses
    50
- Drive System Maintenance
  52
  - Torquing the Wheel-Lug Nuts
    52
- Cooling System Maintenance
  52
- Brake Maintenance
  54
  - Checking and Adjusting the Parking Brake
    54
- Belt Maintenance
  55
  - Checking the Alternator-Belt Tension
    55
  - Servicing the Traction Belt
    55
- Controls System Maintenance
  57
  - Adjusting the PTO-Clutch Gap
    57
- Hydraulic System Maintenance
  57
Storage

62
- Storage Safety
  62
- Preparing the Machine
  62

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