Service Manual

Rev. D
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 Tr action 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 (Serial Number Below 230000000) 68..
Reel Motor (Serial Number Above 230000000) 70..
Hydraulic Control Manifold 74...................
Flow Divider 79................................
Lift Cylinders 80...............................
Lift Cylinder Service 82.........................
Hydraulic Reservoir 84.........................
Hydraulic Oil Cooler & Transmission
Heat Exchanger 86.........................
Hydraulic
Systems