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Toro Groundmaster Series User Manual

Toro Groundmaster Series
355 pages
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FormNo.19240SLRevA
Groundsmaster
®
3200,3300and
3310
(Models31900,31901,31902,31903,31907
and31909)
©2019—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
OriginalInstructions(EN)
Contactusatwww.Toro.com.
AllRightsReserved

Table of Contents

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Toro Groundmaster Series Specifications

General IconGeneral
BrandToro
ModelGroundmaster Series
CategoryLawn Mower
LanguageEnglish

Summary

Chapter 1: Safety

Safety Instructions

Explains safety symbols like DANGER, WARNING, CAUTION, and IMPORTANT notices.

Jacking Instructions

Provides instructions and warnings for safely jacking the machine.

Safety and Instructional Decals

Explains the importance and replacement of safety and instruction decals.

Chapter 2: Specifications and Maintenance

Specifications

Provides overall dimensions and model-specific specifications for the machine.

Torque Specifications

Lists recommended fastener torque values for various applications and materials.

Shop Supplies

Details commonly used shop supplies like lubricants, sealants, and adhesives.

Special Tools

Lists special tools available from Toro Distributor or local suppliers for diagnostic tests.

Chapter 3: Troubleshooting

GEARS – The Systematic Approach to Defining, Diagnosing and Solving Problems

Outlines a 5-step systematic approach to troubleshooting machine issues.

Machine and Engine Faults

Details machine faults generated by the TDM controller, including fault IDs and service actions.

Troubleshooting – Hydraulic

Provides suggestions for solving performance issues specific to the hydraulic system.

Troubleshooting – Electrical

Provides guidance for electrical troubleshooting and testing procedures.

Starting Problems

Details common starting issues, their possible causes, and corrective actions.

Chapter 4: Engine

General Information

Provides information about Yanmar diesel engine specifications and repair procedures.

Yanmar Engines

Illustrates Yanmar engine models and their key components, including the DPF.

Diesel Particulate Filter

Explains the function of the DPF in breaking down hazardous exhaust elements and preventing soot discharge.

Regeneration

Details types of automatic and manual regeneration processes for the DPF.

Chapter 5: Hydraulic System

Relieving Pressure from the Hydraulic System

Details the procedure to release hydraulic system pressure before working on it.

Hydraulic Flow Diagrams

Presents hydraulic flow diagrams for traction, steering, lift, and auxiliary circuits.

Testing the Hydraulic System

Explains using hydraulic test equipment for isolating system problems and highlights safety precautions.

Testing the Traction Circuit – Wheel Motor Efficiency

Explains how to test wheel motor efficiency and identify internal leaks.

Testing the Traction Circuit – Piston (traction) Pump (P1) Flow and Relief Pressure

Outlines the procedure for testing the hydraulic pump's flow and relief valve operation.

Testing the Steering and Lift Circuit – Gear Pump (P2) Flow and Circuit Relief Valve

Details the procedure for testing the gear pump's flow and circuit relief valve.

Adjusting the Traction System for Neutral

Provides steps to adjust the traction system to ensure the pedal returns to neutral.

Service and Repairs

Covers general precautions for hydraulic system components removal and installation.

Flushing the Hydraulic System

Provides instructions for flushing the hydraulic system after severe component failure or contamination.

Filtering the Closed-loop Traction Circuit

Explains the importance of filtering after component failure to prevent debris transmission.

Priming the Hydraulic Pumps

Details the procedure for priming hydraulic pumps after system maintenance.

Charging the Hydraulic System

Guides on properly charging the hydraulic system to remove air and prevent component damage.

Chapter 6: Electrical System

General Information

Provides general information on the electrical system, including Yanmar engine components and TDM display.

TDM Display/Controller

Describes the TDM display/controller, its functions, and troubleshooting references.

CAN bus Communications

Explains the CAN bus system for machine controller communication and its components.

Electrical System Quick Checks

Covers quick checks for the electrical system, including testing the charging system.

Testing the Electrical Components

Provides guidance on testing electrical components, emphasizing disconnection of power.

Fuses

Details fuse identification, function, and location within the machine's electrical system.

Fuse Identification and Function

Identifies main fuse blocks, in-line fuses, and cab power supply harness fuses.

Testing the Fuses

Guides on testing fuses using a multimeter for continuity.

PTO Clutch

Explains the PTO clutch function and provides testing and adjustment procedures.

Testing the PTO Clutch

Guides on testing the PTO clutch coil resistance and engagement.

Fuel Pump

Details the fuel pump specifications and testing procedure for output volume.

Testing the Fuel Pump

Guides on testing the fuel pump output by measuring fuel delivery over time.

Caring for the Battery

Provides instructions for proper battery care, including cleaning and checking condition.

Servicing the Battery

Details battery specifications and procedures for inspecting, maintaining, and testing the battery.

Charging the Battery

Provides instructions and procedures for charging the battery correctly.

Chapter 7: Chassis

Adjustments

Covers adjustments for parking brake, traction cable, tie rod length, and PTO clutch.

Service and Repairs

Covers service and repair procedures for wheels, parking brakes, traction pedal assembly, steering column, rear axle, PTO shaft, operator's console, hood, seats, and lift arms.

Wheels

Details the removal and installation procedures for machine wheels, including torque specifications.

Parking Brakes

Covers the disassembly and assembly procedures for the parking brake system.

Replacing the Parking Brake Cables

Provides step-by-step instructions for replacing the parking brake cables.

Traction Pedal, Cable, and Control Assembly

Details the removal and installation of traction control components.

Rear Axle and Spindles

Details the removal and servicing procedures for the rear axle and spindles.

PTO Clutch

Covers the removal and installation procedures for the PTO clutch.

Lift Arms

Covers the removal and installation procedures for the lift arms.

Chapter 8: Cutting Units

General Information

Lists available cutting units and general information regarding their service and repair.

Blade Stopping Time

Explains how to verify blade stopping time and potential adjustments needed if it exceeds seven seconds.

Service and Repairs

Covers service and repair procedures for rotary and flail cutting units.

Rotary Cutting Units

Provides warnings and guidance for working on rotary cutting units.

Idler Assemblies

Details the removal, installation, and servicing procedures for tensioning and stationary idler assemblies.

Blade Spindle Assemblies

Covers the removal and installation procedures for blade spindle assemblies.

Gearbox

Covers the removal, servicing, and installation procedures for the gearbox.

Chapter 9: Operator Cab

General Information

Provides general information related to the operator cab.

Air Conditioning System

Describes the components and performance factors of the air conditioning system.

Adjusting the Compressor Belt Tension

Provides steps to adjust the compressor belt tension for proper deflection.

General Precautions for Removing and Installing Air Conditioning System Components

Lists safety precautions for servicing the air conditioning system due to high pressure and refrigerant.

Control Panel and Windshield Wiper Assembly

Details the removal and installation procedures for the control panel and windshield wiper assembly.

Doors

Covers the removal and installation procedures for the door assembly, including gas strut installation.

Appendix A

Foldout Drawings

Lists various electrical drawing designations, hydraulic schematics, and wire harness drawings.

Electrical Drawing Designations

Explains abbreviations used for wire harness colors and wire sizes in electrical diagrams.

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