Toro Groundsmaster 4300-D (Model 30864) (Serial No. 314000101 and Up) Service Repair Manual

Manuals: Service Repair Manual

Table of Content – Groundsmaster 4300-D (Model 30864) (Serial No. 314000101 and Up)

Title Page
Revision History
Reader Comments
NOTES:
Preface
Service Procedure Icons

Chapter 1 : Safety

Safety Instructions
Supervisor’s Responsibilities
Before Operating the Machine
While Operating the Machine
Maintenance and Service
Jacking Instructions
Raising the Front of the Machine
Raising the Rear of the Machine
Safety and Instructional Decals

Chapter 2 : Specifications and Maintenance

Specifications
Decimal and Millimeter Equivalents
U.S. to Metric Conversions
Torque Specifications
Identifying the Fastener
Calculating the Torque Values When Using a Drive-Adapter Wrench
Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Inch Series)
Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Metric Fasteners)
Other Torque Specifications
Conversion Factors
Shop Supplies
Special Tools

Chapter 3 : Diesel Engine

1 Specifications
Engine
General Information
Traction Unit Operator’s Manual
Yanmar Engine Service and Troubleshooting Manuals
Engine Electronic Control Unit (ECU)
Yanmar Engine
Diesel Particulate Filter (DPF)
Shutting Off the Engine
Service and Repairs
Air Cleaner System
Exhaust System
Radiator
Fuel System
Engine
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Chapter 4 : Hydraulic System

1 Specifications
Hydraulic System
General Information
Checking the Hydraulic Fluid
Pushing or Towing the Traction Unit
Releasing Pressure from the Hydraulic System
Traction Circuit Component Failure
Hydraulic Hoses
Installing the Hydraulic Hose and Tube (O-Ring Face Seal Fitting)
Installing the Hydraulic Fittings (SAE Straight Thread O-Ring Fitting into the Component Port)
Hydraulic Schematics
Hydraulic Flow Diagrams
Traction Circuits
Mow Circuit
Mow Circuit Cutting Deck Blade Braking
Lift Cylinder Circuit: Raise the Cutting Decks
Lift Cylinder Circuit: Lower the Cutting Decks
Steering Circuit
Special Tools
Hydraulic Pressure Testing Kit
15 GPM Hydraulic Tester Kit (Pressure and Flow)
40 GPM Hydraulic Tester (Pressure and Flow)
Hydraulic Hose Kit
O-Ring Kit
High Flow Hydraulic Filter Kit
Hydraulic Test Fitting Kit
Spindle Plug
Wheel Hub Puller
Measuring Container
Remote Starter Switch
Troubleshooting
General Hydraulic System Problems
Traction Circuit Problems
Mow Circuit Problems
Lift, Lower Circuit Problems
Steering Circuit Problems
Testing the Hydraulic System
Testing the Traction Circuit–Charge Pressure
Testing the Traction Circuit–Wheel Motor Efficiency
Testing the Traction Circuit–Piston Pump, Hydrostat Flow and Relief Pressure
Testing the Mow Circuit–Circuit Pressure
Testing the Mow Circuit–Deck Motor Efficiency, Case Drain
Testing the Mow Circuit–Relief Valve (PRV1) and (PRV2) Pressure
Testing the Mow Circuit–Gear Pump (P1) and (P2) Flow
Testing the Steering Circuit–Steering Control Valve, Relief Valve (R10) Pressure, and Steering Cylinder
Testing the Steering Circuit–Gear Pump (P3) Flow
Testing the lift Circuit–Relief Valve (PRV) Pressure
Testing the Lift Circuit–Lift Cylinder Internal Leakage
Testing the Lift Circuit–Gear Pump (P4) Flow
Service and Repairs
General Precautions for Removing and Installing the Hydraulic System Components
Checking the Hydraulic Lines and Hoses
Priming the Hydraulic Pumps
Flushing the Hydraulic System
Filtering the Closed-Loop Traction Circuit
Charging the Hydraulic System
Hydraulic Tank
Hydraulic Pump Driveshaft
Hydraulic Pump Assembly
Servicing the Piston (Traction) Pump
Servicing the Gear Pump
Front Wheel Motors
Servicing the Front Wheel Motor
Rear Wheel Motors
Servicing the Rear Wheel Motor
CrossTrax™ AWD Control Manifold Assembly
Servicing the CrossTrax AWD Control Manifold Assembly
Deck Control Manifold Assembly
Servicing the Deck Control Manifold Assembly
Cutting Deck Motor
Servicing the Cutting Deck Motor
Lift Control Manifold
Servicing the Lift Control Manifold
Lift Cylinder
Servicing the Lift Cylinder
Steering Control Valve
Servicing the Steering Control Valve
Steering Cylinder
Servicing the Steering Cylinder
Oil Cooler Assembly
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Chapter 5 : Electrical System

General Information
Electrical Schematic and Wire Harness Drawings, Diagrams
Toro Electronic Controller (TEC)
CAN-bus Communications
Yanmar Engine Electronic Control Unit (ECU)
Yanmar Engine Electrical Components
Special Tools
Multimeter
Terminal Protector
Battery Hydrometer
Dielectric Gel
InfoCenter Display
Splash Screen
Main Information Screen
Operator Advisory Screen
Main Menu Screen
Faults Screen
Service Screen
Diagnostics Screen
Settings Screen
About Screen
Troubleshooting
Operator Advisories
Using the InfoCenter Display for Troubleshooting
Machine Faults
Engine Faults
Starting Problems
General Run and Transport Problems
Cutting Deck Operating Problems
Cutting Deck Lift, Lower Problems
Electrical System Quick Checks
Testing the Battery (Open Circuit Test)
Testing the Charging System
Testing the Glow Plug System
Checking the Operation of the Interlock Switches
Adjustments
Traction Neutral Switch
Parking Brake Switch
Mowith Transport Switch
Testing the Electrical Components
Fusible Link Harness
Fuses
Toro Electronic Controller (TEC)
Key Switch
PTO Switch
Engine Speed Switch
Lower, Raise Joystick Switches
Headlight Switch
Seat Switch
Traction Neutral Switch
Parking Brake Switch
Mowith Transport Switch
Relays with 4 Terminals
Relays with 5 Terminals
Hydraulic Solenoid Valve Coils
Fuel Sender
Fuel Pump
CAN-bus Terminator Resistor
Resistor Assembly
Diode Assemblies
Pressure Transducer
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
Hydraulic Solenoid Valve Coils
Battery Storage
Battery Care
Servicing the Battery

Chapter 6 : Chassis

1 Specifications
Chassis
General Information
Special Tools
Wheel Hub Puller
Service and Repairs
Wheels
Steering Column
Servicing the Brakes
Rear Axle Motor Housings
Rear Axle
Control Arm
Operator Seat
Mechanical Seat Suspension
Front Lift Arms
Rear Lift Arms
Hood

Chapter 7 : Cutting Deck

1 Specifications
Cutting Deck
General Information
Cutting Deck Operator’s Manual
Troubleshooting
Factors That Can Affect Cutting Performance
Special Tools
Rear Roller Bearing and Seal Installation Tools
Spindle Plug
Adjustments
Blade Stopping Time
Cutting Deck
Service and Repairs
Blade Spindle Assembly
Servicing the Blade Spindle
Rear Roller
Servicing the Rear Roller
Servicing the Front Roller
Cutting Deck Carrier Frame
Appendix A: Foldout Drawings
Electrical Drawing Designations
Hydraulic Schematic
Electrical Schematic (Serial numbers below 403430000)
Electrical Schematic (Serial numbers above 403430001)
NO TITLE
Wire Harness Drawing – Seat (sheet 1 of 2)
Wire Harness Drawing – Seat (sheet 2 of 2)
Wire Harness Drawing – Engine (sheet 1 of 2)
Wire Harness Drawing – Engine (sheet 2 of 2)
Wire Harness Drawing – Main (sheet 1 of 2) (Serial numbers below 403430000)
Wire Harness Drawing – Main (sheet 2 of 2) (Serial numbers below 403430000)
Wire Harness Drawing – Main (sheet 1 of 2) (Serial numbers 403430001 to 405699999)
Wire Harness Drawing – Main (sheet 2 of 2) (Serial numbers 403430001 to 405699999)
Wire Harness Drawing – Main (sheet 1 of 2) (Serial numbers above 405700001)
Wire Harness Drawing – Main (sheet 2 of 2) (Serial numbers above 405700001)
Wire Harness Diagram − Two−Post ROPS Extension (sheet 1 of 2)
Wire Harness Diagram − Two−Post ROPS Extension (sheet 2 of 2)