Toro 03112SL Rev B Service Owners Manual Multi Pro 1200 1250 Preface Publication - English

PART NO. 03112SL (Rev. B) Service Manual Multi ProR 1200/1250 Preface 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 Multi Pro 1200 and Multi Pro 1250. REFER TO THE OPERATOR’S MANUAL FOR OPERATING, MAINTENANCE, AND ADJUSTMENT INSTRUCTIONS. Space is provided in Chapter 2 of this book to insert the Operator’s Manual and Parts Catalog for your machine.

Replacement Operator’s Manuals and Parts Catalogs are available on the internet at www.Toro.com or by sending complete Model and Serial Number to: The Toro Company Attn. Technical Publications 8111 Lyndale Avenue South Bloomington, MN 55420­1196 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 ­ 2003, 2005, 2007 This page is intentionally blank. Multi Pro 1200/1250 Table Of Contents Chapter 1 ­ Safety Safety Instructions 1 ­ 2 Jacking Instructions . 1 ­ 4 Safety and Instruction Decals 1 ­ 4 Chapter 2 ­ Product Records and Maintenance Product Records . Equivalents and Conversions Torque Specifications . Maintenance . Chapter 3 ­ Kohler Gasoline Engine Introduction Specifications Adjustments . Service and Repairs KOHLER ENGINE SERVICE MANUAL Chapter 4 ­ Hydraulic System Specifications 4 ­ 2 General Information 4 ­ 4 Hydraulic Schematic 4 ­ 6 Hydraulic Flow Diagrams 4 ­ 7 Special Tools 4 ­ 8 Troubleshooting . 4 ­ 10 Testing . 4 ­ 11 Service and Repairs . 4 ­ 16 Chapter 5 ­ Electrical System Electrical Schematics and Electrical Harness and Connector Drawings . 5 ­ 2 Special Tools 5 ­ 3 Troubleshooting 5 ­ 4 Electrical System Quick Checks 5 ­ 6 Component Testing . 5 ­ 7 Service and Repairs . 5 ­ 21 Spray System Electrical Diagrams Multi Pro 1200/1250 Rev. A Chassis Drive Train 3­1 3­2 3­3 3­5 2­1 2­2 2­3 2­7 Chapter 6 ­ Spray System Specifications General Information Spray System Operation Spray System Flow Diagrams Troubleshooting Service and Repairs Chapter 7 ­ Drive Train Specifications Special Tools General Information Troubleshooting Adjustments . Service and Repairs Chapter 8 ­ Chassis Hydraulic System Electrical System Specifications 8 ­ 2 Adjustments . 8 ­ 3 Service and Repairs 8 ­ 4 Chapter 9 ­ Electrical Diagrams Electrical Schematics . 9 ­ 3 Circuit Diagrams . 9 ­ 9 Wire Harness Drawings 9 ­Safety Kohler Gasoline Engine Product Records and Maintenance This page is intentionally blank. Multi Pro 1200/1250 Chapter 1 Safety Table of Contents SAFETY INSTRUCTIONS Before Operating While Operating . Maintenance and Service 2 2 2 3 JACKING INSTRUCTIONS . 4 SAFETY AND INSTRUCTION DECALS 4 Multi Pro 1200/1250 Page 1 ­ 1 Safety Safety Safety Instructions The Multi Pro 1200 and Multi Pro 1250 Turf Sprayers are designed and tested to offer safe service when operated and maintained properly. Although hazard control and accident prevention are partially dependent upon the design and configuration of the machine, these factors are also dependent upon the awareness, concern, and proper training of the personnel involved in the operation, transport, maintenance, and storage of the machine. Improper use or maintenance of the machine can result in injury or death. To reduce the potential for injury or death, comply with the following safety instructions. WARNING To reduce the potential for injury or death, comply with the following safety instructions. Before Operating 1. Read and understand the contents of the Operator’s Manual before starting and operating the machine. Become familiar with the controls and know how to stop the machine and engine quickly. A replacement Operator’s Manual is available on the Internet at www.Toro.com or by sending the complete model and serial number to: The Toro Company Attn. Technical Publications 8111 Lyndale Avenue South Bloomington, Minnesota 55420­1196 2. Keep all shields, safety devices, and decals in place. If a shield, safety device, or decal is defective, illegible or damaged, repair or replace it before operating the machine. Also tighten any loose nuts, bolts or screws to ensure machine is in safe operating condition. 3. Assure interlock switches are adjusted correctly so engine cannot be started unless range selector is in NEUTRAL. 4. Since gasoline is highly flammable, handle it careful- ly: A. Store fuel in containers specifically designed for this purpose. B. Do not remove machine fuel tank cap while engine is hot or running. C. Do not smoke while handling fuel. D. Fill fuel tank outdoors and only to within an inch of the top of the tank, not the filler neck. Do not overfill the fuel tank. E. Wipe up any spilled fuel. While Operating 1. Sit on the seat when starting and operating the machine. 2. Before starting the engine: B. Set parking brake.

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