Toro Reelmaster 5200-D Service Manual

Rev. A
Reelmaster 5200-D/5400-D Hydraulic SystemPage 4 - 1
Chapter 4
Hydraulic System
Table of Contents
Note: For hydraulic steering cylinder and valve information, see Chapter 7 “Steering and Brakes” in this manual.
SPECIFICATIONS 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL INFORMATION 3. . . . . . . . . . . . . . . . . . . . .
Hydraulic Hoses 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Fitting Installation 3. . . . . . . . . . . . . . . . . . .
Towing Traction Unit 5. . . . . . . . . . . . . . . . . . . . . . . . .
Check Transmission Fluid 6. . . . . . . . . . . . . . . . . . . . .
Check Hydraulic Fluid 7. . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC SCHEMATICS 8. . . . . . . . . . . . . . . . . . . .
RM 5200-D/5400-D Hydraulic Transmission 8. . . . .
RM 5200-D/5400-D Hydraulic System 9. . . . . . . . . .
HYDRAULIC FLOW DIAGRAMS 10. . . . . . . . . . . . . . .
Traction Circuit 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lower Cutting Units 12. . . . . . . . . . . . . . . . . . . . . . . . .
Raise Cutting Units 14. . . . . . . . . . . . . . . . . . . . . . . . .
Mow and Backlap 16. . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS 20. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 23. . . . . . . . . . . . . . . . . . . . . . . .
TESTING 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precautions for Hydrostatic Testing 25. . . . . . . . . . . .
Test No. 1: Traction Circuit Charge Pressure 26. . .
Test No. 2: Traction Circuit System
Relief Pressure 27. . . . . . . . . . . . . . . . . . . . . . . . . .
Test No. 3: Relief Valve (R1) Pressure 28. . . . . . . . .
Test No. 4: Relief Valve (R2) Pressure 29. . . . . . . . .
Test No. 5: Gear Pump Section (P1 & P2) Flow 30.
Test No. 6: Reel Motor Case Drain Leakage 31. . . .
Test No. 7: Gear Pump Section (P3) Flow and
Relief Valve Pressure 32. . . . . . . . . . . . . . . . . . . . . .
ADJUSTMENTS 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjust Manifold Relief Valve (R1 and R2) 33. . . . . .
Adjust Traction Drive for Neutral 34. . . . . . . . . . . . . .
Adjust Cutting Unit Lift Rates 35. . . . . . . . . . . . . . . . .
Adjust Traction Control Linkage 36. . . . . . . . . . . . . . .
SERVICE AND REPAIRS 37. . . . . . . . . . . . . . . . . . . . .
General Precautions for Removing and
Installing Hydraulic System Components 37. . .
Check Hydraulic Lines and Hoses 38. . . . . . . . . . . . .
Flush Hydraulic System 38. . . . . . . . . . . . . . . . . . . . . .
Charge Hydraulic System 39. . . . . . . . . . . . . . . . . . . .
Change Hydraulic Fluid 40. . . . . . . . . . . . . . . . . . . . . .
Replace Hydraulic Oil Filter 41. . . . . . . . . . . . . . . . . .
Replace Transmission Fluid 42. . . . . . . . . . . . . . . . . .
Replace Transmission Filter 42. . . . . . . . . . . . . . . . . .
Transmission Control Linkage 43. . . . . . . . . . . . . . . .
Transmission 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Service 47. . . . . . . . . . . . . . . . . . . . . . .
Disassembly 48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection 52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly 52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shaft Seal Replacement 58. . . . . . . . . . . . . . . . . . . .
Trunnion Seal Replacement 59. . . . . . . . . . . . . . . . .
Check/High Pressure Relief Valve
Replacement 60. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charge Pressure Relief Valve Replacement 61. . .
Heat Exchanger By-Pass Valve
Replacement 62. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter By-Pass Valve Replacement 63. . . . . . . . . . . .
In-line Filter Check Valve Replacement 63. . . . . . .
Charge Pump Replacement 64. . . . . . . . . . . . . . . . .
Gear Pump 65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reel Motor 68. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Control Manifold 71. . . . . . . . . . . . . . . . . . .
Lift Cylinders 76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Reservoir 80. . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Oil Cooler & Transmission
Heat Exchanger 82. . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic
Systems

Toro Reelmaster 5200-D Specifications

General

Brand	Toro
Model	Reelmaster 5200-D
Category	Lawn Mower
Language	English