Toro ProLine H800 (Model 31050, 31050TE, 31051) Service Repair Manual

Table of Content – ProLine H800 (Model 31050, 31050TE, 31051)

• Title Page
• Revision History
• Reader Comments
• Preface
• Service Procedure Icons
• Table of Contents
• 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
• Overall Dimensions
• Engine – ProLine H800 (for Model 31050)
• Engine – ProLine H800 (for Model 31050TE and 31051)
• Hydraulic System
• Chassis
• 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)
• Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Metric Fasteners)
• Other Torque Specifications
• Conversion Factors
• Shop Supplies
• Special Tools
• Chapter 3 : Troubleshooting
• GEARS – The Systematic Approach to Defining, Diagnosing and Solving Problems
• General Hydraulic System Problems
• Steering Circuit Problems
• The Height Of Cut Circuit Problems
• The Cutting Deck Lift Circuit Problems
• The Hopper Lift Circuit
• The Hopper Tilt Circuit
• Chapter 4 : Engine
• General Information
• Traction Unit Operator’s Manual
• Yanmar Service Repair Manuals
• Service and Repairs
• Air Cleaner Assembly
• Exhaust System
• Radiator
• Fuel System
• Engine
• Yanmar 3TNV76 Service Repair Manual
• Yanmar 3TNV80F Service Repair Manual
• Chapter 5 : 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 Hoses and Tubes
• Installing the Hydraulic Fittings
• Hydraulic Schematic
• Hydraulic Flow Diagrams
• Traction Circuit
• Steering Circuit
• Height Of Cut Circuit
• Auxiliary Control Circuit
• Testing the Hydraulic System
• Testing the Traction Circuit – Charge Pressure
• Testing the Wheel Motors Efficiency
• Testing the Traction Circuit – Hydraulic Pump Flow and Relief Pressure
• Testing the Steering Circuit – Steering Control Valve, Relief Valve Pressure and Steering Cylinder
• Testing the Steering Circuit – Charge Pump Flow
• Testing the Auxiliary Control Circuit – Cutting Deck Lift Cylinder Internal Leakage
• Testing the Auxiliary Control Circuit – Hopper Lift Cylinder Internal Leakage
• Testing the Auxiliary Control Circuit – Hopper Tilt Cylinder Internal Leakage
• Testing the Height Of Cut Cylinder Internal Leakage
• Service and Repairs
• General Precautions for Removing and Installing the Hydraulic System Components
• Checking the Hydraulic Lines and Hoses
• Flushing the Hydraulic System
• Filtering the Closed-Loop Traction Circuit
• Priming the Hydraulic Pump
• Charging the Hydraulic System
• Hydraulic Tank
• Auxiliary Control Valve
• Traction Neutral Arm Assembly
• Hydraulic Pump Assembly
• Servicing the Hydraulic Piston Pump
• Servicing the Gear Pump
• Front Wheel Motors
• Rear Wheel Motors
• Servicing the Hydraulic Wheel Motor
• Differential Valve
• Height Of Cut Valve
• Lift Cylinder
• Steering Control Valve
• Steering Cylinder
• Hopper Lift Cylinder
• Hopper Tilt Cylinder
• Height Of Cut Cylinder
• Chute Cleaning Cylinder
• Oil Cooler
• Danfoss DDC20 Axial Piston Pump Service Repair Manual
• Parker Torqmotor Service Procedure (TF, TG, TH, and TL Series)
• Chapter 6 : Electrical System
• General Information
• Electrical Schematics and Wire Harness Drawings, Diagrams
• Electronic Control Unit (ECU)
• 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
• Testing the Electrical Components
• Fuses
• Key Switch
• PTO Switch
• Hazard Light Switch
• Differential Lock Switch
• Radiator Fan Reversal Switch
• Beacon Light Switch
• Indicator Lights
• Height Of Cut Switch
• Seat Switch
• Hour Meter
• Traction Neutral Switch
• Traction Reverse Switch
• Parking Brake Switch
• Oil Pressure Switch
• PTO Electric Clutch
• Fuel Stop Solenoid
• Relays
• Diode Assembly
• Slope Sensor (Optional)
• Service and Repairs
• Battery Storage
• Battery Care
• Servicing the Battery
• Chapter 7 : Chassis
• General Information
• Service and Repairs
• Wheels
• Body Assembly
• Steering Column
• Lift Arms
• Traction Pedal
• Brake Pedal
• Operator Seat
• Servicing the Operator Seat
• Frame Assembly
• Grammer Seats Repair Manual
• Chapter 8 : Axle and PTO
• General Information
• Service and Repairs
• Servicing the Brake
• Rear Axle assembly
• Servicing the Rear Axle
• Steering Spindle
• PTO Drive Belt
• Electric Clutch
• PTO Driveshaft
• Servicing the Driveshaft
• PTO Shaft Assembly
• Servicing the PTO Shaft Assembly
• Servicing the Gearbox Assembly
• Chapter 9 : Hopper Assembly
• General Information
• Service and Repairs
• Hopper Assembly
• Hopper Frame Assembly
• Hopper
• Hopper Lift Frame Assembly
• Chute Assembly
• Chapter 10 : Cutting Unit
• General Information
• Service and Repairs
• Idler Assembly
• Blade Spindle
• Servicing the Blade Spindle
• Caster Wheel and Flat Frame Assembly
• Cutting Deck Rollers and Skids
• Height Of Cut Linkage
• Cutting Deck Covers
• Appendix A: Foldout Drawings
• Electrical Drawing Designations
• Hydraulic Schematic
• Electrical Schematic – Main
• Electrical Schematic – Lights
• Wire Harness Diagram – Main
• Wire Harness Diagram – Lights
• Wire Harness – Slope Sensor (Optional)