Table Of Contents - Toro Groundsmaster 4500-D Series Service Manual

Table of Contents

Groundsmaster ® 4500-D/4700-D
19245SL Rev A
Preface ................................................................................................................ 5
Chapter 1: Safety ............................................................................................ 1-1
Safety Instructions ....................................................................................... 1-2
Safety and Instructional Decals .................................................................... 1-9
Chapter 2: Specifications and Maintenance .................................................... 2-1
Specifications ............................................................................................... 2-2
Torque Specifications ................................................................................... 2-8
Shop Supplies ............................................................................................ 2-14
Special Tools .............................................................................................. 2-16
Chapter 3: Troubleshooting ............................................................................. 3-1
GEARS - The Systematic Approach to Defining, Diagnosing and Solving
Problems ...................................................................................................... 3-2
General Hydraulic System Problems ............................................................ 3-3
Traction Circuit Problems.............................................................................. 3-4
Mow Circuit Problems ................................................................................... 3-5
Steering Circuit Problems ............................................................................. 3-7
Lift Circuit Problems...................................................................................... 3-8
Engine Cooling Fan Circuit Problems............................................................ 3-9
Operator Advisories .................................................................................... 3-10
Machine Fault Codes .................................................................................. 3-12
Starting Problems ....................................................................................... 3-27
General Run and Transport Problems......................................................... 3-28
Cutting Deck Operating Problems............................................................... 3-29
Cutting Deck Lift/Lower Problems ............................................................... 3-30
Aftercut Appearance ................................................................................... 3-32
Chapter 4: Yanmar Diesel Engine.................................................................... 4-1
General Information ..................................................................................... 4-2
Service and Repairs ..................................................................................... 4-9
Chapter 5: Hydraulic System........................................................................... 5-1
General Information ..................................................................................... 5-3
Hydraulic Schematic ................................................................................... 5-12
Hydraulic Flow Diagrams ............................................................................ 5-14
Testing ........................................................................................................ 5-43
Adjustments ............................................................................................... 5-86
Service and Repairs ................................................................................... 5-87
Chapter 6: Electrical System ........................................................................... 6-1
General Information ..................................................................................... 6-2
Adjustments ................................................................................................ 6-19
Electrical System Quick Checks.................................................................. 6-23
Component Testing ..................................................................................... 6-25
Service and Repairs ................................................................................... 6-69
Chapter 7: Axles, Planetaries and Brakes ....................................................... 7-1
General Information ..................................................................................... 7-2
Adjustments .................................................................................................. 7-3
Service and Repairs ..................................................................................... 7-4
Chapter 8: Chassis.......................................................................................... 8-1
General Information ..................................................................................... 8-2
Service and Repairs ..................................................................................... 8-3
Chapter 9: Cutting Decks ................................................................................ 9-1
General Information ..................................................................................... 9-2
Adjustments ................................................................................................. 9-3
Service and Repairs ..................................................................................... 9-4
Appendix A ......................................................................................................A-1
Electrical Drawing Designations....................................................................A-2
Hydraulic Schematic - Groundsmaster 4500-D .............................................A-3
Hydraulic Schematic - Groundsmaster 4700-D .............................................A-4
Page 7 Preface