Toro Groundsmaster 4500-D, 4700-D (Models 30873, 30874, 30881, 30882) Service Repair Manual

Table of Content – Groundsmaster 4500-D, 4700-D (Models 30873, 30874, 30881, 30882) REVISED

• Title Page
• Revision History
• Reader Comments
• Preface
• Table Of Contents
• 1 – Safety
• Table of Contents
• General Safety Instructions
• Before Operating
• While Operating
• Maintenance and Service
• Jacking Instructions
• Safety and Instruction Decals
• 2 – Product Records and Maintenance
• Table of Contents
• Product Records
• Maintenance
• Equivalents and Conversions
• Decimal and Millimeter Equivalents
• U.S. to Metric Conversions
• Torque Specifications
• Fastener Identification
• Using a Torque Wrench with an Offset Wrench
• Standard Torque for Dry, Zinc Plated and Steel Fasteners (Inch Series)
• Standard Torque for Dry, Zinc Plated and Steel Fasteners (Metric Series)
• Other Torque Specifications
• Conversion Factors
• 3 – Yanmar Diesel Engine
• Table of Contents
• Specifications (Models 30873 and 30874)
• Specifications (Models 30881 and 30882)
• General Information
• Operator’s Manuals
• Yanmar Service and Troubleshooting Manuals
• Stopping the Engine
• Engine Electronic Control Unit (ECU)
• Yanmar Engine: Models 30873 and 30874
• Yanmar Engine: Models 30881 and 30882
• Diesel Particulate Filter (DPF)
• Service and Repairs
• Air Cleaner System
• Fuel System
• Radiator and Oil Cooler Assembly
• Engine
• Pump Adapter Plate
• Exhaust System (Models 30881 and 30882)
• YANMAR TNV (Tier 4i) SERIES Service Repair Manual
• YANMAR TNV (Tier 4i) SERIES TROUBLESHOOTING
  MANUAL
• YANMAR TNV (Tier 4) SERIES Service Repair Manual
• YANMAR TNV (Tier 4) SERIES TROUBLESHOOTING
  MANUAL
• 4 – Hydraulic System
• Table of Contents
• Specifications
• General Information
• Operator’s Manual
• Check Hydraulic Fluid
• Towing Traction Unit
• Relieving Hydraulic System Pressure
• Traction Circuit Component Failure
• Hydraulic Hoses
• Hydraulic Hose and Tube Installation (O-Ring Face Seal Fitting)
• Hydraulic Fitting Installation (SAE Straight Thread O-Ring Fitting into Component Port)
• Hydraulic Schematics
• Groundsmaster 4500-D
• Grondsmaster 4700-D
• Hydraulic Flow Diagrams
• Traction Circuit: LOW Speed
• Traction Circuit: HI Speed
• Lower Cutting Decks (GM4500-D)
• Lower Cutting Decks (GM4700-D)
• Raise Cutting Decks (GM4500-D)
• Raise Cutting Decks (GM4700-D)
• Mow Circuit
• Cutting Deck Blade Braking
• Steering Circuit
• Engine Cooling Fan Circuit
• Special Tools
• Troubleshooting
• General Hydraulic System Problems
• Traction Circuit Problems
• Mow Circuit Problems
• Steering Circuit Problems
• Lift, Lower Circuit Problems
• Engine Cooling Fan Circuit Problems
• Testing
• Traction Circuit Charge Pressure
• Traction Circuit Relief Pressure
• Reverse Traction Circuit Reducing Valve (PR) Pressure
• Rear Traction Circuit Relief (RV) Pressure
• Piston (Traction) Pump Flow
• Cutting Deck Circuit Pressure
• Cutting Deck Circuit Relief Pressure
• Deck Motor Case Drain Leakage
• Steering Circuit Relief Pressure
• Steering Cylinder Internal Leakage
• Lift, Lower Circuit Relief Pressure
• Engine Cooling Fan Circuit
• Gear Pump Flow
• Adjustments
• Adjust Control Manifold Relief Valves
• Service and Repairs
• General Precautions for Removing and Installing Hydraulic System Components
• Check Hydraulic Lines and Hoses
• Priming Hydraulic Pumps
• Flush Hydraulic System
• Filtering Closed-Loop Traction Circuit
• Charge Hydraulic System
• Gear Pump
• Gear Pump Service
• Piston (Traction) Pump
• Piston (Traction) Pump Service
• Rear Traction Control Manifold
• Rear Traction Control Manifold Service
• Control Manifold Cartridge Valve Service
• HI, LOW Range Control Manifold
• Rear Axle Motor
• Front Wheel Motors
• Rear Axle and Front Wheel Motor Service
• Cutting Deck Motor
• Cutting Deck Motor Service
• Deck Control Manifold
• Deck Control Manifold Service (GM 4500-D)
• Deck Control Manifold Service (GM 4700-D)
• Steering Control Valve
• Steering Control Valve Service
• Steering Cylinder
• Steering Cylinder Service
• Engine Cooling Fan Motor
• Engine Cooling Fan Motor Service
• Fan Control Manifold
• Fan Control Manifold Service
• Lift Control Manifold
• Lift Control Manifold Service (GM 4500-D)
• Lift Control Manifold Service (GM 4700-D)
• Lift Circuit Junction Manifold
• Lift Cylinders: Decks #1, #4 and #5
• Lift Cylinders: Decks #2 and #3
• Lift Cylinders: Decks #6 and #7 (GM 4700-D)
• Lift Cylinder Service
• Hydraulic Reservoir
• Radiator and Oil Cooler Assembly
• DANFOSS H1 AXIAL PISTON PUMPS Service Repair Manual
• DANFOSS H1 AXIAL PISTON PUMPS REPAIR INSTRUCTIONS
• DANFOSS MP1 CLOSED CIRCUIT AXIAL PISTON PUMPS Service Repair Manual
• DANFOSS K and L MOTORS Service Repair Manual
• DANFOSS STEERING UNIT OSPM Service Repair Manual
• 5 – Electrical System
• Table of Contents
• General Information
• Operator’s Manual
• Electrical Drawings
• Toro Electronic Controllers (TEC)
• Yanmar Engine Electronic Control Unit (ECU)
• Yanmar Engine Electrical Components
• CAN-bus Communications
• Special Tools
• InfoCenter Display
• Splash Screens
• Main Information Screens
• Main Menu Screen
• Faults Screen
• Service Screen
• Diagnostics Screen
• Settings Screen
• About Screen
• Troubleshooting
• Operator Advisories
• Fault Codes
• Starting Problems
• General Run and Transport Problems
• Cutting Deck Operating Problems
• Cutting Deck Lift, Lower Problems
• Electrical System Quick Checks
• Battery Test (Open Circuit Test)
• Charging System Test
• Check Operation of Interlock Switches
• Adjustments
• Traction Pedal Adjustment
• Traction Pedal Position Sensor Calibration
• Component Testing
• Ignition Switch
• Fuses
• Fusible Link Harness
• PTO Switch
• Hi, Low Speed, Engine Speed Request and Cutting Deck Lift Switches
• Headlight Switch
• Seat Switch
• Parking Brake Switch
• Cutting Deck Position Switches
• Relays with Four (4) Terminals
• Relays with Five (5) Terminals
• Traction Pedal Position Sensor
• Toro Electronic Controllers (TEC)
• Hydraulic Solenoid Valve Coils
• Piston (Traction) Pump Control Solenoid Coils
• Hydraulic Oil Temperature Sender
• Fuel Pump (Models 30873 and 30874)
• Fuel Pump (Models 30881 and 30882)
• CAN-bus Termination Resistor
• Diode Assemblies
• Resistor Assemblies
• Fan Speed Switch (Machines with Two−Post ROPS Extension Operator Fan Kit)
• Resistor Module (Machines with Two−Post ROPS Extension Operator Fan Kit)
• Service and Repairs
• Battery Care
• Battery Storage
• Battery Service
• Battery Removal and Installation
• Battery Inspection and Maintenance
• Battery Testing
• Battery Charging
• 6 – Axles, Planetaries and Brakes
• Table of Contents
• Specifications
• General Information
• Operator's Manual
• Adjustments
• Planetary Drive Endplay (OPH-2 series planetary drives)
• Service and Repairs
• Brake Assembly
• Brake Inspection and Repair
• Planetary Drive Assembly
• OPH-2 Series Planetary Drive Service
• VA02 Series Planetary Drive Service
• Rear Axle Assembly
• Rear Axle Service
• Bevel Gear Case and Axle Case
• Differential Shafts
• Axle Shafts
• Input Shaft, Pinion Gear
• Differential Gear
• Pinion Gear to Ring Gear Engagement
• 7 – Chassis
• Table of Contents
• General Information
• Operator’s Manual
• Cutting Deck Identification
• Service and Repairs
• Steering Column
• Traction Pedal
• Console Arm
• Lift Arms for Cutting Decks #1, #4 and #5
• Lift Arms for Cutting Decks #2 and #3
• Lift Arms for Cutting Decks #6 and #7 (GM 4700-D)
• Operator Seat
• Operator Seat Service
• Operator Seat Suspension
• Hood
• 8 – Cutting Decks
• Table of Contents
• Specifications
• General Information
• Operator’s Manual
• Troubleshooting
• Factors That Can Affect Quality of Cut
• Special Tools
• Adjustments
• Blade Stopping Time
• Service and Repairs
• Blade Spindle Assembly
• Blade Spindle Service
• Rear Roller
• Rear Roller Service
• Front Roller Service
• Cutting Deck Carrier Frame
• 9 – Foldout Drawings
• Electrical Drawing Designations
• Groundsmaster 4500–D Hydraulic Schematic
• Groundsmaster 4500–D With Optional Flow Divider Kit Hydraulic Schematic
• Groundsmaster 4700–D Hydraulic Schematic
• Groundsmaster 4700–D With Optional Flow Divider Kit Hydraulic Schematic
• Electrical Schematic
  Groundsmaster 4500–D, 4700–D
  Models 30881 and 30882
  (Serial numbers below 315000300)
• Electrical Schematic Groundsmaster 4500–D, 4700–DModels 30873 and 30874(Serial numbers below 315000300)
• Groundsmaster 4500–D, 4700–D
  Electrical Schematic
  Models 30881 and 30882
  (Serial Numbers 315000301 to 399999999)
• Groundsmaster 4500–D, 4700–D Electrical Schematic Models 30873 and 30874 (Serial Numbers 315000301 to 399999999)
• Groundsmaster 4500–D, 4700–D Electrical Schematic Models 30881 and 30882(Serial Numbers 400000000 to 403450000)
• Groundsmaster 4500–D, 4700–D Electrical Schematic Models 30873 and 30874(Serial Numbers 400000000 to 403450000)
• Groundsmaster 4500–D, 4700–D Electrical Schematic (Serial Numbers Serial Numbers 403450001 to 408000000)Models 30881 and 30882
• Groundsmaster 4500–D, 4700–DElectrical Schematic(Serial Numbers Above 408000000)
• Groundsmaster 4500–D, 4700–D Electrical Schematic (Serial Numbers Above 403450001) Models 30873 and 30874
• Electrical Schematic Groundsmaster 4500–D, 4700–D Optional Operator Cab (Serial number below 399999999)
• Groundsmaster 4500–D, 4700–D Electrical Schematic Optional Operator Cab (Serial Numbers Above 400000000)
• Groundsmaster 4500–D, 4700–D Main Wire Harness (Serial number below 315000300)
• Groundsmaster 4500–D, 4700–D Main Wire Harness (Serial Numbers 315000301 to 399999999)
• Groundsmaster 4500–D, 4700–D Main Wire Harness (Serial Numbers 400000000 to 403450000)
• Groundsmaster 4500–D, 4700–D Main Wire Harness (Serial Numbers Above 403450001)
• Groundsmaster 4500–D, 4700–D Seat and Console Wire Harness (Serial number below 399999999)
• Groundsmaster 4500–D, 4700–D Seat and Console Wire Harness (Serial Numbers 400000000 to 403450000)
• Groundsmaster 4500–D, 4700–D Seat and Console Wire Harness (Serial Numbers Above 403450001)
• Groundsmaster 4500–D, 4700–D Power Center Wire Harness(Serial number below 403450000)
• Groundsmaster 4500–D, 4700–D Power Center Wire Harness(Serial Numbers Above 403450001)
• Deck 6 and 7 Wire Harness Groundsmaster 4700–D
• (Models 30881 and 30882) Engine Wire Harness Drawing Groundsmaster 4500–D, 4700–D (Serial number below 315000000)
• Groundsmaster 4500–D, 4700–D (Models 30881 and 30882) Engine Wire Harness Drawing(Serial Numbers 315000001 to 408000000)
• Groundsmaster 4500–D, 4700–D(Models 30881 and 30882)Engine Wire Harness Drawing(Serial Numbers Above 408000000)
• Groundsmaster 4500–D, 4700–D(Models 30881 and 30882)Engine DPF Sub–Wire Harness Drawing(Serial Numbers Above 408000000)
• (Models 30873 and 30874) Engine Wire Harness Drawing Groundsmaster 4500–D, 4700–D
• Groundsmaster 4500–D, 4700–D Wire Harness Diagram — Two–Post ROPS Extension
• Groundsmaster 4500–D, 4700–DPower Harness Kit — Wiring Diagram