Toro Groundsmaster 4500-D, 4700-D (Model 30856, 30868) Service Repair Manual

Table of Content – Groundsmaster 4500-D, 4700-D (Model 30856, 30868)

• Title Page
• Revision History
• Reader Comments
• Preface
• Table Of Contents
• 1 – Safety
• General Safety Instructions
• Before Operating
• While Operating
• Maintenance and Service
• Jacking Instructions
• Safety and Instruction Decals
• 2 – Product Records and Maintenance
• Product Records
• Equivalents and Conversions
• Torque Specifications
• Maintenance
• 3 – Kubota Diesel Engine
• General Information
• Specifications
• Adjustments
• Engine Run Solenoid
• Service and Repairs
• Air Filter System
• Exhaust System
• Fuel System
• Radiator
• Engine
• Pump Adapter Plate
• Kubota V2003-T Workshop Manual
• 4 – Hydraulic System
• Specifications
• General Information
• Hydraulic Hoses
• Hydraulic Fitting Installation
• Towing Traction Unit
• Check Hydraulic Fluid
• Hydraulic Schematics
• GM 4500-D Hydraulic Schematic
• GM 4700-D Hydraulic Schematic
• Hydraulic Flow Diagrams
• Traction Circuit
• Lower Cutting Units
• Raise Cutting Units
• Mow Circuit
• Cutting Deck Blade Braking
• Steering Circuit
• Special Tools
• Troubleshooting
• Testing
• TEST NO. 1: Traction Circuit Charge Pressure
• Before Performing Hydraulic Tests
• TEST NO. 2: Traction Circuit Relief Pressure
• TEST NO. 3: Cutting Deck Circuit Pressure
• TEST NO. 4: Cutting Deck Gear Pump Flow
• TEST NO. 5: Cutting Deck Manifold Relief Pressure
• TEST NO. 6: Cutting Deck Motor Case Drain Leakage
• TEST NO. 7: Steering Circuit Relief Pressure
• TEST NO. 8: Lift, Lower Circuit Relief Pressure
• TEST NO. 9: Steering and Lift, Lower Gear Pump Flow
• TEST NO. 10: Counterbalance (RV1) Pressure
• TEST NO. 11: Rear Traction Circuit (RV5) Relief Pressure
• TEST NO. 12: Traction Circuit Reducing Valve (PR1) Pressure
• TEST NO. 13: Traction Assist (RV2) Pressure
• Service and Repairs
• General Precautions for Removing and Installing Hydraulic System Components
• Check Hydraulic Lines and Hoses
• Flush Hydraulic System
• Charge Hydraulic System
• Gear Pump
• Gear Pump Service
• Piston (Traction) Pump
• Piston (Traction) Pump Service
• Piston Pump Manual Servo Control Assembly
• Hydraulic Control Manifolds: 2 Wheel, 4 Wheel Drive, Filtration and Charge, Power Down and Traction Assist
• Hydraulic Control Manifold Service: 2 Wheel, 4 Wheel Drive Control
• Hydraulic Control Manifold Service: Filtration and Charge Control
• Hydraulic Control Manifold Service: Power Down and Traction Assist (GM 4500–D)
• Hydraulic Control Manifold Service: Power Down and Traction Assist (GM 4700–D)
• Hydraulic Control Manifold: Deck Drive (GM 4500–D)
• Hydraulic Control Manifold Service: Deck Drive (GM 4500–D)
• Hydraulic Control Manifold: Deck Drive (GM 4700-D)
• Hydraulic Control Manifold Service: Deck Drive (GM 4700–D)
• Rear Axle Motor
• Front Wheel Motors
• Rear Axle, Front Wheel Motor Service
• Cutting Deck Motor
• Cutting Deck Motor Service
• Lift, Lower Control Valve (GM 4500–D)
• Lift, Lower Control Valve Service (GM 4500–D)
• Lift, Lower Control Valve (GM 4700–D)
• Lift, Lower Control Valve Service (G 4700–D)
• Steering Valve
• Steering Valve Service
• 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
• Steering Cylinder
• Steering Cylinder Service
• Hydraulic Reservoir
• Hydraulic Oil Cooler
• 5 – Electrical System
• Electrical Schematic and Electrical Harness and Connectors Drawings
• Special Tools
• Troubleshooting
• Starting Problems
• General Run and Transport Problems
• Cutting Unit Operating Problems
• Electrical System Quick Checks
• Battery Test (Open Circuit Test)
• Check Operation of Interlock Switches
• Component Testing
• Ignition Switch
• Fuses
• Indicator Lights
• PTO and Hi–Lo Speed Control Switches
• Seat Switch
• Parking Brake Switch
• Cutting Deck Position Switch
• Cutting Deck Lift, Lower Switch
• Ramp–up Module
• Hour Meter
• Glow Relay
• Start, Neutral, Seat, Cutting Deck, Parking Brake, and High Temperature Relays
• Hydraulic Valve Solenoids
• Engine Run Solenoid
• Fuel Pump
• Glow Controller
• Temperature Sender
• Temperature Gauge
• High Temperature Shutdown Switch
• Traction Neutral Switch
• Diode Assemblies
• Diode Circuit Board
• Standard Control Module (S.N 230000001 and up)
• Service and Repairs
• Battery Storage
• Battery Care
• Battery Service
• 6 – Axles, Planetaries, and Brakes
• Specifications
• Adjustments
• Service and Repairs
• Brake Assembly
• Brake Inspection and Repair
• Planetary Wheel Drive Assembly
• Planetary Wheel Drive Service
• Rear Axle Assembly
• Bevel Gear Case and Axle Case
• Differential Shafts
• Axle Shafts
• Input Shaft, Pinion Gear
• Differential Gear
• Pinion Gear to Ring Gear Engagement
• 7 – Chassis
• General Information
• Cutting Deck Identification
• Service and Repairs
• Steering Tower
• 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 (Groundsmaster 4700–D only)
• Hood
• 8 – Cutting Units
• Specifications
• Troubleshooting
• Special Tools
• Adjustments
• Blade Stopping Time
• Blade Plane Inspection and Adjustment
• Service and Repairs
• Blade Spindle Assembly
• Blade Spindle Service
• Rear Roller
• Rear Roller Service (Non-Greasable Bearings)
• Rear Roller Service (Greasable Bearings with Retaining Ring)
• Rear Roller Service (Greasable Bearings with Bearing Nut)
• Front Roller Service
• Cutting Deck Carrier Frame
• 9 – Electrical Diagrams
• Schematic GM4500-D (S.N below 220999999)
• Schematic GM4500-D (S.N 230000001 to 260000600)
• Schematic GM4500-D (S.N 260000601 and up)
• Schematic GM4700-D (S.N below 220999999)
• Schematic GM4700-D (S.N 230000001 to 260000600)
• Schematic GM4700-D (S.N 260000601 and up)
• Glow Plug Circuit
• Crank Circuit
• Run (Transport) Circuit
• Run (Mow) Circuit
• Main Harness Diagram (S.N below 220999999)
• Main Wire Harness (S.N below 220999999)
• Main Harness Diagram (S.N 230000001 to 260000600)
• Main Wire Harness (S.N 230000001 to 260000600)
• Main Harness Diagram (S.N 260000601 and up)
• Main Wire Harness (S.N 230000601 and up)
• Console Harness Diagram (S.N below 220999999)
• Console Wire Harness (S.N below 220999999)
• Console Harness Diagram (S.N 230000001 to 260000600)
• Console Wire Harness (S.N 230000001 to 260000600)
• Console Harness Diagram (S.N 260000601 and up)
• Console Wire Harness (S.N 260000601 and up)
• Engine Harness Diagram (S.N below 220999999)
• Engine Wire Harness (S.N below 220999999)
• Engine Harness Diagram (S.N 230000001 and up)
• Engine Wire Harness (S.N 230000001 and up)
• Deck 6 and 7 Harness Diagram GM4700-D