Toro Pro Core 648 Aerator Service Repair Manual

Table of Content – Pro Core 648 Aerator

Title Page
Revision History
Reader Comments
Preface
1 – Safety
Safety Instructions
Before Operating
While Operating
Maintenance and Service
Jacking Instructions
Safety and Instruction Decals
2 – Product Records and Maintenance
Product Records
Maintenance
Equivalents and Conversions
Decimal and Millimeter Equivalents
U.S. to Metric Conversions
Torque Specifications
Fastener Identification
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
3 – Kohler Engine
Introduction
Specifications
General Information
Fuel Shutoff Valve
Adjustments
Adjust Choke Control
Adjust Engine Speed
Service and Repairs
Cooling System
Fuel System
Fuel Evaporative Control System
Exhaust System
Engine
Belt Tensioners
Kohler Engine Service Repair Manual
4 – Hydraulic System
Specifications
General Information
Hydraulic Hoses
Hydraulic Fitting Installation
Pushing, Pulling Machine
Check Hydraulic Fluid
Relieving Hydraulic System Pressure
Hydraulic Schematic
Hydraulic Flow Diagrams
Traction Circuit (Forward Shown)
Coring Head Raise, Lower Circuits
Special Tools
Hydraulic Pressure Test Kit
Hydraulic Tester (Pressure and Flow)
Hydraulic Test Fitting Kit
Wheel Hub Puller
Troubleshooting
Testing
Charge Pressure Test (Using Pressure Gauge)
Coring Head Raise, Lower Relief (R1) Pressure Test (Using Pressure Gauge)
Traction (Piston) Pump (P1) Flow Test (Using Tester With Flow Meter and Pressure Gauge)
Traction Circuit Relief Pressure Test (Using Tester With Flow Meter and Pressure Gauge)
Gear Pump (P2) Flow Test (Using Tester With Flow Meter and Pressure Gauge)
Wheel Motor Efficiency Test (Using Tester With Flow Meter and Pressure Gauge)
Service and Repairs
General Precautions for Removing and Installing Hydraulic System Components
Check Hydraulic Lines and Hoses
Flush Hydraulic System
Hydraulic System Start–up
Hydraulic Pump Drive Belt
Hydraulic Pump Control Assembly
Hydraulic (Traction, Charge) Pump
Hydraulic (Traction, Charge) Pump Service
Wheel Motors
Wheel Motor Service
Hydraulic Lift Control Manifold
Hydraulic Lift Control Manifold Service
Lift Cylinder
Lift Cylinder Service
Hydraulic Reservoir
Hydro-Gear Hydrostatic Pumps Service and Repair Manual
Danfoss Gear Pumps and Motors Service Repair Manual
Danfoss OMEW Hydraulic Motor Service Repair Manual
5 – Electrical System
Electrical Diagrams
Circuit Operation
OK to Lower Circuit
Lockout Circuit
Electric Clutch Circuit
Special Tools
Multimeter
Battery Terminal Protector
Battery Hydrometer
Troubleshooting
Starting Problems
General Run Problems
Coring Head Operating Problems
Electrical System Quick Checks
Battery Test (Open Circuit Test)
Charging System Test
Check Operation of Safety Interlock System
Component Testing
Ignition Switch
Engine Oil Pressure Indicator Light
Hour Meter
Relays
Manual Raise, Lower Switch
Ground Follow Switch
Lift Reset Switch
Solenoid Valve Coil
Head Low and Head High Limit Switches
Fuses
Proximity Switches
Aerator Control Module
Electric Clutch
Diode Assemblies
Service and Repairs
Battery Storage
Battery Care
Battery Service
Electric Clutch
Solenoid Valve Coil
6 – Chassis
Specifications
Special Tools
Wheel Hub Puller
Service and Repairs
Wheels
Parking Brake
Parking Brake Cable
Steering Assembly
Traction Control Cable
7 – Coring Head
General Information
Coring Head Operation
Coring Crankshaft
Coring Head Service Latch
Coring Head Adjustments
Service and Repairs
Rotolink Dampers
Stomper Arms
Coring Crankshaft Bearing Housings
Primary Drive Belt
Secondary Drive Belt
Coring Head Drive Jackshaft
Coring Head Pivot (H–Frame)
8 – Electrical Diagrams
Electrical Schematic (Serial Number Below 403415001)
Electrical Schematic (Serial Numbers Above 403415001)
Start Engine
Lower Coring Head
Aerating
Aerating
Aerating
Raise Coring Head
Transport
Wire Harness Drawing (Serial Number Below 403415001)
Wire Harness Diagram (Serial Number Below 403415001)
Wire Harness Drawing (Serial Numbers Above 403415001)
Wire Harness Drawing (Serial Numbers Above 403415001)
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