Hydraulic System; Troubleshooting; Adjustments; Specifications - Toro Groundsmaster 580-D Service Manual

Table of Contents
NOTE: See Chapter 9 -- Foldout Diagrams for Hydraulic
Schematics

SPECIFICATIONS

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GENERAL INFORMATION
Hydraulic Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Fitting Installation
Pushing or Towing . . . . . . . . . . . . . . . . . . . . . . . . . . .
Draining and Refilling System
HYDRAULIC FLOW DIAGRAMS
Typical Circuits -- Engine Running
Typical Circuits -- Mowing

SPECIAL TOOLS

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TROUBLESHOOTING

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TESTING

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TEST NO. 1: Traction Circuit Working Pressure
and Relief Pressure . . . . . . . . . . . . . . . . . . . . . . . .
TEST NO. 2: Traction Circuit Charge Pressure
TEST NO. 3: Steering Circuit Working Pressure
and Relief Pressure . . . . . . . . . . . . . . . . . . . . . . . .
TEST NO. 4: Lift Circuit Working Pressure and
Relief Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEST NO. 5: Counterbalance Pressure
Diagnosing Cutting Performance Problems
Deck Motor Internal Leakage Test
TEST NO. 6: Deck Drive Circuit Working
Pressure and Relief Pressure

ADJUSTMENTS

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Traction Control Neutral Adjustment
Traction Control Rod Adjustment
Cruise Control Adjustment

TRACTION DRIVE SYSTEM REPAIRS

Mow/Transport Solenoid Service
Variable Displacement Pump Removal and
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Motor Removal and Installation
PTO SYSTEM REPAIRS
PTO Valve Block Service
PTO Valve Block Service (S/N 50001 and Up) 36.1
PTO Pump Removal and Installation
PTO Pump Repair (Models 30580 and 30581) 38.1
PTO Pump Repair (Models 30582 and 30583) 38.2
Deck Motor Removal and Installation
Deck Motor Repair . . . . . . . . . . . . . . . . . . . . . . . . . .
Deck Motor Repair (P/N 94--4907)
Wing Deck Hose Replacement
(S/N 50001 and Up)
Wing Deck Motor Hydraulic Hose Replacement
Groundsmaster 580--D
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Hydraulic System

AUXILARY (LIFT/COUNTERBALANCE) SYSTEM
REPAIRS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Float/Traction Assist Manifold Block Service
3 Steering/Auxiliary Pump Removal and
3 Installation
3 Steering/Auxiliary Pump Repair
5 (Models 30582 and 30583)
5 Steering/Auxiliary Pump Repair
6 (Models 30580 and 30581)
6 Front Lift Cylinder Removal and Installation
10 Front Lift Cylinder Repair
13 Wing Lift Cylinder Removal and Installation
14 Wing Lift Cylinder Repair
23 Lift Control Valve Removal and Installation
Lift Control Valve Repair
24 STEERING SYSTEM REPAIRS
. 25 Steering Cylinder Removal and Installation
Steering Cylinder Repair
26 Steering Control Unit Removal and Installation
Steering Control Unit Repair (Models 30580
27 and 30581)
28 Steering Control Unit Repair (Models 30582
28.3 and 30583)
28.4 HYDRAULIC RESERVOIR AND FILTER
Flushing the Hydraulic System
29 Inspecting Reservoir Parts
30 SAUER/SUNDSTRAND (DANFOSS) M46--AXIAL PIS-
30 TON PUMPS AND MOTORS SERVICE MANUAL
31 SAUER/SUNDSTRAND (DANFOSS) M46--AXIAL PIS-
31 TON PUMPS AND MOTORS REPAIR MANUAL
32 VICKERS GEAR PUMP OVERHAUL MANUAL
32 HALDEX/BARNES G20 & G30 SERIES HYDRAULIC
GEAR PUMPS INSPECTION/SERVICING
33 EATON CHAR--LYNN STEERING CONTROL UNITS
35 REPAIR INFORMATION
36 EATON CHAR--LYNN 4000 COMPACT SERIES DISC
36 VALVE GEROLER MOTOR REPAIR INFORMATION
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40.1
40.3
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Page 4 - - 1 Rev. G
Chapter 4
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Table of Contents
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44.1
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54.1
54.1
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