Toro 01084SL Rev F Service Manual Reelmaster 6500 D 6700 D Preface NOTE For Machines With Serial

Chapter 4
Hydraulic System
Table of Contents
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
GENERAL INFORMATION  . . . . . . . . . . . . . . . . . . . . .  3
Hydraulic Hoses  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3
Hydraulic Fitting Installation  . . . . . . . . . . . . . . . . . . .  3
Pushing or Towing Traction Unit . . . . . . . . . . . . . . . .  5
Check Hydraulic Fluid  . . . . . . . . . . . . . . . . . . . . . . . .  5
HYDRAULIC SCHEMATICS  . . . . . . . . . . . . . . . . . . . .  6
RM 6500-D 2WD (Model 03806)
Serial Numbers 210000101 To 210999999 . . . . . 6
Serial Numbers 220000101 To 260000499 . . . . . 7
Serial Numbers 260000500 To 270999999 . . . . . 8
Serial Numbers Above 280000000 . . . . . . . . . . . .  9
RM 6500-D 4WD (Model 03807)
Check Hydraulic Lines and Hoses . . . . . . . . . . . . . 50
Flush Hydraulic System . . . . . . . . . . . . . . . . . . . . . . 50
Charge Hydraulic System  . . . . . . . . . . . . . . . . . . . . 51
Change Hydraulic Fluid . . . . . . . . . . . . . . . . . . . . . . 52
Replace Hydraulic Oil Filter  . . . . . . . . . . . . . . . . . . 53
Piston Pump (Traction Pump) . . . . . . . . . . . . . . . . . 54
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Servo Control  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Disassembly and Assembly . . . . . . . . . . . . . . . . . 58
Neutral Lockout Switch Disassembly  . . . . . . . . . 59
Neutral Lockout Switch Assembly . . . . . . . . . . . . 59
Gear Pump  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Wheel Motor  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4WD Rear Axle Motor  . . . . . . . . . . . . . . . . . . . . . . . 66
Reel Motor (Barnes) . . . . . . . . . . . . . . . . . . . . . . . . . 68
Removal and Installation  . . . . . . . . . . . . . . . . . . . 68
Adjusting Valve (Cross-over Relief Valve)
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Reel Motor (Bosch)  . . . . . . . . . . . . . . . . . . . . . . . . . 70
Hydraulic Control Manifolds  . . . . . . . . . . . . . . . . . . 72
Reel Manifold Removal and Installation . . . . . . . 72
Lift Manifold Removal and Installation  . . . . . . . . 73
Hydraulic Control Manifold Service  . . . . . . . . . . . . 74
Reel Manifold (Serial No. Below 260000500) . .  74
Reel Manifold (Serial No. Above 260000500) . . 75
Lift Manifold (Serial No. Below 280000000)  . . . 76
Lift Manifold (RM--6500--D Machines With
Serial Numbers 210000101 To 210999999 . . . . 10
Serial Numbers 220000101 To 260000499 . . . . 11
Serial Numbers 260000500 To 270999999 . . . . 12
Serial Numbers Above 280000000 . . . . . . . . .  12.1
RM 6700-D 4WD (Model 03808)
Serial Numbers 210000101 To 210999999 . .  12.2
Serial Numbers 220000101 To 260000499 . .  12.3
Serial Numbers 260000500 To 270999999 . .  12.4
Serial Numbers Above 280000000 . . . . . . . . . . . 13
HYDRAULIC FLOW DIAGRAMS  . . . . . . . . . . . . . . . 14
Traction Circuit  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Lower Cutting Units  . . . . . . . . . . . . . . . . . . . . . . . . . 16
Raise Cutting Units . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mow and Backlap . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Right and Left Turns . . . . . . . . . . . . . . . . . . . . . . . . . 22
SPECIAL TOOLS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
TROUBLESHOOTING  . . . . . . . . . . . . . . . . . . . . . . . . 26
TESTING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Before Performing Hydraulic Tests  . . . . . . . . . . . . 36
Test No. 1: Traction Circuit Charge Pressure . . . . 37
Test No. 2: Traction Circuit Pressure . . . . . . . . . . . 38
Test No. 3: Cutting Unit Drive Circuit Pressure  . . 39
Test No. 4: Gear Pump Section P3 Flow and
Serial No. Above 280000000)  . . . . . . . . . . .  76.1
Lift Manifold (RM--6700--D Machines With
Serial No. Above 280000000)  . . . . . . . . . . .  76.2
Solenoid Operated, Logic and Relief Cartridge
Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Rotary Cartridge Valves  . . . . . . . . . . . . . . . . . . . . 77
Mow/Backlap Spools . . . . . . . . . . . . . . . . . . . . . . . 79
Lift Cylinders  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Lift Cylinder Service . . . . . . . . . . . . . . . . . . . . . . . . . 82
Steering Cylinder (2WD)  . . . . . . . . . . . . . . . . . . . . . 84
Steering Cylinder (4WD)  . . . . . . . . . . . . . . . . . . . . . 86
Power Steering  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Steering Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Steering Valve Service . . . . . . . . . . . . . . . . . . . . . . . 90
Solenoid Valve SV10 and SV11 Service
Relief Valve Pressure  . . . . . . . . . . . . . . . . . . . . . . 40
Test No. 5: Gear Pump Section P1 & P2 Flow . . . 41
Test No. 6: Reel Drive Motor Cross-over
Relief Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Test No. 7: Reel Drive Motor Efficiency . . . . . . . . . 44
ADJUSTMENTS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Adjust Manifold Relief Valve (R1 and R2) . . . . . . . 46
Adjust Traction Drive for Neutral  . . . . . . . . . . . . . . 47
Adjust Cutting Unit Drop Rates (Serial Numbers
Below 280000000) . . . . . . . . . . . . . . . . . . . . . . . 48
Adjust Cutting Unit Drop Rates (Serial Numbers
Above 280000000) . . . . . . . . . . . . . . . . . . . . . . . 48
SERVICE AND REPAIRS  . . . . . . . . . . . . . . . . . . . . . 49
General Precautions for Removing and
(RM 6700-D Only)  . . . . . . . . . . . . . . . . . . . . . . . . . 93
Hydraulic Reservoir  . . . . . . . . . . . . . . . . . . . . . . . . . 94
Hydraulic Oil Cooler . . . . . . . . . . . . . . . . . . . . . . . . . 96
Installing Hydraulic System Components  . . . . . 49
Reelmaster 6500-D/6700-D
Page 4 - 1  Rev. F
Hydraulic System
Product Specification
CategoriesLawn Mower Manual, Toro Lawn Mower Manual
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- 328 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower
Product TypeWalk Behind Mower
Engine ManufacturerToro
Document File TypePDF
Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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