Toro 90743SL Rev G Service Manual Groundsmaster 580 30581

Part No. 90743SL, Rev. G Service Manual GroundsmasterR 580-D Preface NOTE: Model 30581: Use this book along with Part No. 95866SL Mitsubishi S4S–DT Engine Service Manual. Model 30582 and 30583: Use this book along with Part No. 04131SL Mitsubishi S4S–Y2DT61TG Engine Service Manual. The purpose of this publication is to provide the service technician with information for troubleshooting, testing, and repair of major systems and components on the Groundsmaster 580–D, Model 30580, 30581, 30582, and 30583 (see NOTE above).

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REFER TO THE TRACTION UNIT AND CUTTING UNIT OPERATOR’S MANUALS FOR OPERATING, MAINTENANCE AND ADJUSTMENT INSTRUCTIONS. Space is provided in Chapter 2 of this book to insert the Operator’s Manuals and Parts Catalogs for your machine. Replacement Operator’s Manuals are available on the internet at www.toro.com or by sending complete Model and Serial Number to: The Toro Company 8111 Lyndale Avenue South Minneapolis, MN 55420 The Toro Company reserves the right to change product specifications or this publication without notice. This safety symbol means DANGER, WARNING, or CAUTION, PERSONAL SAFETY INSTRUCTION. When you see this symbol, carefully read the instructions that follow. Failure to obey the instructions may result in personal injury. NOTE: A NOTE will give general information about the correct operation, maintenance, service, testing or repair of the machine. IMPORTANT: The IMPORTANT notice will give important instructions which must be followed to prevent damage to systems or components on the machine. E The Toro Company – 1989, 1997, 1999, 2003, 2004, 2005, 2007 – This page is intentionally blank. Groundsmaster 580­D Table Of Contents Chapter 1 ­ Safety Safety Instructions 1 ­ 1 Safety and Instruction Decals 1 ­ 4 Chapter 2 ­ Product Records and Maintenance Product Records . Maintenance . Equivalents and Conversions Torque Specifications . Chapter 3 ­ Engine (Model 30580) General Information 3 ­ 3 Specifications 3 ­ 6 Special Tools . 3 ­ 23 Troubleshooting . 3 ­ 26 General Overhaul Instructions 3 ­ 30 Adjustments 3 ­ 32 Engine Removal and Installation 3 ­ 39 Engine Accessory Removal and Installation 3 ­ 43 Cylinder Head and Valves 3 ­ 48 Flywheel, Timing Gears and Camshaft . 3 ­ 61 Pistons, Connecting Rods, Crankshaft and Block 3 ­ 73 Inlet and Exhaust Systems . 3 ­ 91 Lubrication System . 3 ­ 106 Cooling System 3 ­ 112 Fuel System . 3 ­ 116 General Overhaul Information 3 ­ 125 Chapter 3A ­ Engine (Model 30581) Chapter 8 ­ Electrical System General Information . 3A ­ 1 Specifications . 3A ­ 2 Chapter 3B ­ Engine (Model 30582) General Information . 3B ­ 1 Specifications . 3B ­ 2 Chapter 4 ­ Hydraulic System Specifications 4 ­ 2 General Information 4 ­ 3 Hydraulic Flow Diagrams 4 ­ 6 (Models 30580 (S/N 30101 & Up), 30581 and 30582) 2­1 2­1 2­2 2­3 Special Tools . Troubleshooting . Testing . Adjustments Traction Drive System Repairs PTO System Repairs Auxiliary (Lift/Counterbalance) System Repairs Steering System Repairs . Hydraulic Reservoir and Filter . 4 Wheel Drive Kit (Optional) Repairs . Chapter 5 ­ Electrical System (Model 30580, S/N Below 30101) Electrical Diagrams . 5 ­ 2 Special Tools 5 ­ 7 Troubleshooting 5 ­ 9 Testing . 5 ­ 20 Repairs 5 ­ 32 Chapter 6 ­ Wheels, Brakes & Steering Specifications 6 ­ 2 General Information 6 ­ 3 Adjustments . 6 ­ 5 Repairs 6 ­ 10 Chapter 7 ­ Cutting Units Specifications 7 ­ 1 Adjustments . 7 ­ 2 Repairs . 7 ­ 9 Electrical Diagrams . 8 ­ 2 Special Tools 8 ­ 5 Troubleshooting 8 ­ 7 Component Identification and Testing 8 ­ 10 Service and Repairs.

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Company Web Site: www.toro.com