Toro 3780 Manuals

Manuals and User Guides for Toro 3780. We have 4 Toro 3780 manuals available for free PDF download: Service Manual, Operator's Manual

Toro 3780 Service Manual

Toro 3780 Service Manual (468 pages)

Brand: Toro | Category: Lawn Mower | Size: 30.63 MB

Table of Contents

This Page Is Intentionally Blank.

7
- Table of Contents
  7
Chapter 1 Safety

11
- General Safety Instructions
  12
  - Before Operating
    12
    
    While Operating
    12
    
    Maintenance and Service
    13
- Jacking Instructions
  14
- Safety and Instruction Decals
  15
Chapter 2 Product Records and Maintenance

17
Chapter 3 Yanmar Diesel Engine

23
- General Information
  23
- Manual
  23
- Service and Repairs
  23
- YANMAR TNV (Tier 4) SERIES TROUBLESHOOTING
  23
- Specifications
  24
- Chapter 8 -- Chassis
  25
- General Information
  25
- Service and Repairs
  31
  - Air Cleaner System
    31
  - Exhaust System
    33
  - Fuel System
    35
    
    Check Fuel Lines and Connections
    36
    
    Drain and Clean Fuel Tank
    36
    
    Fuel Tank Installation
    36
    
    Fuel Tank Removal
    36
    
    Prime the Fuel System
    36
  - Engine
    41
    
    Engine Removal
    42
    
    Engine Installation
    43
  - Pump Adapter Plate
    45
Chapter 4 Kubota Diesel Engine

47
- Kubota Workshop Manual, Diesel Engine, 03--M--DI--E3B Series
  47
- Chapter 9 -- DPA Cutting Units
  48
- Specifications
  48
  - General Information
    49
    
    Operator's Manual
    49
  - Service and Repairs
    50
    
    Air Filter System
    50
    
    Exhaust System
    52
    
    Fuel System
    54
    
    Check Fuel Lines and Connections
    55
    
    Drain and Clean Fuel Tank
    55
    
    Fuel Tank Installation
    55
    
    Fuel Tank Removal
    55
    
    Prime Fuel System
    56
    
    Bleed Air from Injectors
    57
    
    Radiator/Hydraulic Oil Cooler
    58
    
    Engine
    62
    
    Engine Removal
    63
    
    Engine Installation
    64
    
    Pump Adapter Plate
    68
Chapter 5 Hydraulic System

71
- Specifications
  72
- General Information
  73
  - Operator's Manual
    73
    
    Hydraulic Component Locations
    73
    
    Relieving Hydraulic System Pressure
    74
    
    Traction Circuit Component Failure
    74
    
    Towing Traction Unit
    75
    
    Hydraulic Hoses
    76
    
    Hydraulic Hose and Tube Installation
    77
    
    Hydraulic Fitting Installation
    78
- Hydraulic Schematic
  81
- Hydraulic Flow Diagrams
  82
  - Traction Circuit: LOW Speed (Mow)
    83
    
    Traction Circuit: HIGH Speed (Transport)
    85
    
    Mow Circuit
    87
    
    Steering Circuit
    89
    
    Lower Cutting Units
    91
    
    Raise Cutting Units
    93
    
    Engine Cooling Fan Circuit
    95
- Special Tools
  96
- Troubleshooting
  101
  - Testing
    108
    
    Traction Circuit Charge Pressure Test
    110
    
    Leakage Test
    121
    
    Pressure Test
    125
    
    Cutting Unit Circuit Pressure Test
    128
    
    Leakage Test
    137
    
    Steering/Lift Circuit Steering Relief Pressure Test
    140
    
    Steering Cylinder Test
    142
    
    Cooling Fan Circuit Pressure Test
    146
    
    Gear Pump Flow Test (Pump Sections P2 Thru P5)
    152
  - Adjustments
    156
    
    Control Manifold Relief Valve Adjustment
    156
  - Service and Repairs
    157
  - General Precautions for Removing and Installing Hydraulic System Components
    157
  - Check Hydraulic Lines and Hoses
    158
  - Priming Hydraulic Pumps
    158
  - Flush Hydraulic System
    159
  - Filtering Closed- Loop Traction Circuit
    160
  - Charge Hydraulic System
    161
  - Gear Pump
    162
  - Gear Pump Service
    164
  - Piston (Traction) Pump
    166
  - Piston (Traction) Pump Service
    168
  - Rear Traction Manifold
    170
  - Rear Traction Manifold Service
    172
  - HI/LOW Range Manifold
    174
  - Front Wheel Motors
    176
  - Rear Axle Motor
    178
  - Cutting Unit Motor
    182
  - Cutting Unit Motor Service
    184
  - Mow Control Manifold Service
    190
  - Steering Control Valve
    192
  - Steering Control Valve Service
    194
  - Steering Cylinder
    196
  - Steering Cylinder Service
    198
  - Engine Cooling Fan Motor
    200
  - Engine Cooling Fan Motor Service
    204
  - Fan Control Manifold
    206
  - Fan Control Manifold Service
    208
  - Lift Manifold
    210
  - Lift Manifold Service
    212
  - Control Manifold Cartridge Valve Service
    213
  - Lift Junction Manifold
    214
  - Front Lift Cylinders
    216
  - Rear Lift Cylinders
    218
  - Lift Cylinder Service
    220
  - Hydraulic Reservoir
    222
  - Hydraulic Oil Cooler
    224
Chapter 6 Electrical System

227
- General Information
  228
  - Operator's Manual
    228
    
    Engine Electrical Components
    228
    
    Can−Bus Communications
    229
    
    Engine Electronic Control Unit (ECU) (Yanmar Diesel Engines Only)
    229
- Electrical Drawings
  231
- Special Tools
  232
- Infocenter Display
  234
  - Splash Screen
    236
    
    Main Information Screen
    237
    
    Main Menu Screen
    238
    
    Operator's Advisory Screen
    238
    
    Faults Screen
    239
    
    Service Screen
    240
    
    Diagnostics Screen
    241
    
    Settings Screen
    243
    
    About Screen
    245
- Troubleshooting
  246
  - Operator Advisories
    246
    
    Using the Infocenter Display for Troubleshooting
    248
    
    Fault Codes
    250
    
    Starting Problems
    252
    
    General Run & Transport Problems
    254
    
    Cutting Unit Operating Problems
    255
    
    Cutting Unit Lift/Lower Problems
    256
- Electrical System Quick Checks
  257
  - Battery Test (Open Circuit Test)
    257
    
    Charging System Test
    257
    
    Glow Plug System Test
    257
    
    Check Operation of Interlock Switches
    258
- Adjustments
  259
  - HI/LOW (Transport/Mow) Switch
    259
    
    Cutting Unit Position Switch
    260
- Component Testing
  261
  - Fusible Link Harness
    261
  - Fuses
    262
  - Toro Electronic Controller (TEC)
    264
  - Ignition Switch
    266
  - Reel Enable/Disable Switch
    267
  - Engine Speed Switch
    268
  - Lower/Raise Joystick Switches
    269
  - Seat Switch
    270
  - Traction Neutral Switch
    271
  - Parking Brake Switch
    272
  - HI/LOW (Transport/Mow) Switch
    273
  - Cutting Unit Position Switch
    274
  - Backlap Switches
    275
  - Hydraulic Oil Temperature Sender
    276
  - Engine Temperature Sender
    277
  - Relays with Four (4) Terminals
    278
  - Relays with Five (5) Terminals
    280
  - Hydraulic Solenoid Valve Coils
    282
  - Fuel Pump (Yanmar Diesel Engine Only)
    283
  - Fuel Pump (Kubota Diesel Engine Only)
    284
  - Fuel Stop Solenoid
    285
  - Can−Bus Termination Resistor
    286
  - Diode Assembly
    287
  - Resister Assembly
    287
  - Worklight Switch
    288
  - Service and Repairs
    289
  - Battery Storage
    289
  - Battery Care
    289
  - Battery Service
    290
    
    Battery Inspection and Maintenance
    290
    
    Battery Removal and Installation
    290
    
    Battery Specifications
    290
    
    Battery Testing
    291
    
    Battery Charging
    292
  - Hydraulic Solenoid Valve Coils
    293
  - Worklight Bulb Replacement
    294
Chapter 7 Axles, Planetaries and Brakes

295
- General Information
  297
  - Operator's Manual
    297
- Adjustments
  298
  - Planetary Drive End Play
    298
- Service and Repairs
  300
  - Brake Assembly
    300
  - Brake Inspection and Repair
    304
  - Planetary Drive Assembly
    306
  - OPH−2 Planetary Drive Service
    308
  - Rear Axle Assembly
    316
  - Rear Axle Service
    320
  - Bevel Gear Case and Axle Case
    322
  - Differential Shafts
    326
  - Axle Shafts
    327
  - Input Shaft/Pinion Gear
    328
  - Differential Gear
    330
  - Pinion Gear to Ring Gear Engagement
    333
Chapter 8 Chassis

335
- General Information
  336
  - Operator's Manual
    336
  - Cutting Unit Identification
    336
- Service and Repairs
  338
  - Steering Column
    338
  - Console Arm
    340
  - Lift Arms for Front Cutting Units (#1, #4 and #5)
    342
  - Lift Arms for Rear Cutting Units (#2 and #3)
    344
  - Operator Seat
    346
  - Operator Seat Service
    348
  - Operator Seat Suspension
    350
  - Hood
    353
Chapter 9 Dpa Cutting Units

355
- General Information
  355
- Service and Repairs
  355
- Chapter 4 -- Kubota Diesel Engine
  356
- Specifications
  356
- General Information
  357
  - Cutting Unit Operator's Manual
    357
- Special Tools
  358
- Factors that Can Affect Cutting Performance
  363
- Adjustments
  366
  - Characteristics
    366
    
    Reel Bearing Adjustment (Cutting Units with Painted Side Plates)
    367
    
    Leveling Rear Roller
    368
- Service and Repairs
  370
  - Hydraulic Reel Motor
    370
    
    Backlapping
    371
    
    Bedbar Assembly
    372
    
    Bedknife Replacement and Grinding
    374
    
    Bedbar Adjuster Service
    376
  - Reel Assembly
    378
  - Reel Assembly Service (Cutting Units with Painted Side Plates)
    382
  - Reel Assembly
    384
  - Reel Assembly Service (Cutting Units with Aluminum Side Plates)
    388
  - Preparing Reel for Grinding
    390
  - Front Roller
    392
Chapter 10 Belt Driven Groomer (Optional)

405
- Grooming Performance
  406
- Troubleshooting
  407
  - Groomer Reel Mechanical Problems
    407
- Adjustments
  408
  - Groomer Height/Depth Adjustment
    408
- Service and Repairs
  409
  - Groomer Drive Belt Replacement
    409
  - Groomer Plate Assembly
    410
  - Groomer Reel
    414
  - Groomer Reel Service
    416
  - Groomer Pivot Hub
    418
  - Height Adjuster Assembly
    420
- Service and Repairs
  424
  - Electrical Drawing Designations
    442
  - Hydraulic Schematic
    443
- (Serial Numbers below 316000000)
  444
- Chapter 12
  444
- (Serial Numbers 316000001 to 403350000)
  445
- (Serial Numbers above 403350001)
  446
- (Serial Numbers 316000001 to 403350000)
  448
- (Serial Numbers above 403350001)
  449
- Cab
  450
- Seat and Console Wire Harness
  463
  - (Serial Numbers below 403350000)
    466

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Toro 3780 Operator's Manual

Toro 3780 Operator's Manual (72 pages)

4-Wheel Drive Traction Unit

Brand: Toro | Category: Lawn Mower | Size: 3.72 MB

Table of Contents

Table of Contents
3
Safety
4
Setup
14
Product Overview
23
- Controls
  23
- Specifications
  30
- Traction Unit Specifications
  30
- Attachments/Accessories
  30
Operation
31
Maintenance
49
- Recommended Maintenance Schedule(S)
  49
  - Daily Maintenance Checklist
    50
  - Service Interval Chart
    51
- Pre-Maintenance Procedures
  52
  - Removing the Hood
    52
- Lubrication
  52
  - Greasing the Bearings and Bushings
    52
Engine Maintenance
54
Fuel System Maintenance
57
Electrical System Maintenance
58
Drive System Maintenance
61
Cooling System Maintenance
64
- Servicing the Engine Cooling System
  64
Brake Maintenance
65
- Adjusting the Service Brakes
  65
Belt Maintenance
66
- Servicing the Alternator Belt
  66
Hydraulic System Maintenance
66
Cutting Unit Maintenance
68
- Backlapping the Cutting Units
  68
Storage
69
- Preparing the Engine
  69
- Preparing the Traction Unit
  69

Toro 3780 Operator's Manual

Toro 3780 Operator's Manual (60 pages)

4-Wheel Drive Traction Unit

Brand: Toro | Category: Lawn Mower | Size: 3.46 MB

Table of Contents

Table of Contents
3
Safety
4
Setup
13
Product Overview
22
- Controls
  22
  - Headlight Switch
    23
  - Adjusting the Seat
    24
- Specifications
  28
- Traction Unit Specifications
  28
- Attachments/Accessories
  28
Operation
29
Maintenance
38
Fuel System Maintenance
45
Electrical System Maintenance
46
Drive System Maintenance
49
Cooling System Maintenance
52
- Servicing the Engine Cooling System
  52
Brake Maintenance
53
- Adjusting the Service Brakes
  53
Belt Maintenance
54
- Servicing the Alternator Belt
  54
Hydraulic System Maintenance
54
Cutting Unit Maintenance
56
- Backlapping the Cutting Units
  56
Storage
57
- Preparing the Engine
  57
- Preparing the Traction Unit
  57

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Toro 3780 Operator's Manual

Toro 3780 Operator's Manual (56 pages)

4-Wheel Drive Traction Unit

Brand: Toro | Category: Lawn Mower | Size: 3.28 MB

Table of Contents

Table of Contents
3
Safety
4
Setup
13
Product Overview
22
- Controls
  22
  - Headlight Switch
    23
  - Seat Adjustments
    24
- Specifications
  28
- Traction Unit Specifications
  28
- Attachments/Accessories
  28
Operation
29
- Checking the Engine Oil Level
  29
- Checking the Cooling System
  29
- Filling the Fuel Tank
  30
- Checking the Hydraulic Fluid Level
  31
- Checking the Tire Pressure
  32
- Starting and Stopping the Engine
  32
- Engine Speed Switch
  32
- Checking the Interlock Switches
  32
- Adjusting the Lift Arm Counterbalance
  33
- Adjusting the Lift Arm Turn Around Position
  33
- Pushing or Towing the Machine
  34
- Jacking Points
  34
- Tie Downs
  34
- Operating Characteristics
  34
- Operating Tips
  35
Maintenance
36
- Recommended Maintenance Schedule(S)
  36
  - Daily Maintenance Checklist
    37
  - Service Interval Chart
    38
- Premaintenance Procedures
  39
  - Removing the Hood
    39
- Lubrication
  39
  - Greasing the Bearings and Bushings
    39
- Engine Maintenance
  41
- Fuel System Maintenance
  43
  - Fuel Tank
    43
- Fuel Lines and Connections
  43
- Servicing the Water Separator
  43
- Servicing the Fuel Filter
  43
- Fuel Pick up Tube Screen
  44
Electrical System Maintenance
44
- Charging and Connecting the Battery
  44
- Battery Care
  45
- Fuses
  46
Drive System Maintenance
47
Cooling System Maintenance
50
- Servicing the Engine Cooling System
  50
Brake Maintenance
51
- Adjusting the Service Brakes
  51
Belt Maintenance
51
- Servicing the Alternator Belt
  51
Hydraulic System Maintenance
52
Cutting Unit Maintenance
53
- Backlapping the Cutting Units
  53
Storage
54
- Engine
  54
- Traction Unit
  54
- The Toro Total Coverage Guarantee
  56

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