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Reelmaster 5010 Series Hydraulic System (Rev. C)Page 4 -- 1
Chapter 4
Hydraulic System
Table of Contents
SPECIFICATIONS 2.............................
GENERAL INFORMATION 3.....................
Traction Unit Operator’s Manual 3...............
Check Hydraulic Fluid 3.......................
Towing Traction Unit 3.........................
Hydraulic Hoses 4............................
Hydraulic Fitting Installation 4...................
Relieving Hydraulic System Pressure 6..........
Traction Circuit Component Failure 6............
HYDRAULIC SCHEMATICS 7....................
HYDRAULIC FLOW DIAGRAMS 8................
Traction Circuit 8..............................
Mow Circuit 10...............................
Lift Circuit: Raise Cutting Units 12...............
Lift Circuit: Lower Cutting Units 14...............
Steering Circuit 16............................
SPECIAL TOOLS 18............................
TROUBLESHOOTING 22........................
General Hydraulic System Problems 22..........
Traction Circuit Problems 23....................
Mow Circuit Problems 24.......................
Lift Circuit Problems 25........................
Steering Circuit Problems 26...................
TESTING 28...................................
Traction Circuit Relief Valve (R3) and (R4)
Pressure Test 30............................
Traction Circuit Charge Pressure Test 32.........
Gear Pump (P3) Flow Test 34..................
Front Wheel Motor Efficiency Test 36............
Piston (Traction) Pump Flow Test 38.............
Relief Valve (R1) and (R2) Pressure Test 40......
Gear Pump (P1) and (P2) Flow Test 42..........
Reel Drive Motor Efficiency Test 44..............
Reel Drive Motor Cross--Over Relief Pressure
Test (Reelmaster 5510 and 5610) 46...........
Lift Relief Valve (R6) Pressure Test 48...........
Gear Pump (P4) Flow Test 50..................
Lift Cylinder Internal Leakage Test 52............
Steering Relief Valve (R10) Pressure Test 54.....
Steering Cylinder Internal Leakage Test 56.......
SERVICE AND REPAIRS 58.....................
General Precautions for Removing and Installing
Hydraulic System Components 58.............
Check Hydraulic Lines and Hoses 59............
Flush Hydraulic System 60.....................
Filtering Closed--Loop Traction Circuit 61.........
Hydraulic System Start--up 62..................
Hydraulic Reservoir 64........................
Hydraulic Pump Drive Shaft 66.................
Hydraulic Pump Assembly 68...................
Piston (Traction) Pump Service 72..............
Gear Pump Service 74.........................
Front Wheel Motor 76.........................
Wheel
Motor
Service (Parker) 80................
Wheel Motor Service (Eaton) 81................
Mow Control Manifold 82.......................
Mow Control Manifold Service 84...............
Lift Control Manifold 88........................
Lift Control Manifold Service 90.................
CrossTrax
TM
AWD (Optional Kit) Manifold 92......
CrossTrax
TM
AWD (Optional Kit) Manifold
Service 94..................................
Cutting Reel Motor 96.........................
Cutting Reel Motor Service 98..................
Lift Cylinder 102..............................
Lift Cylinder Service 104.......................
Steering Control Valve 106.....................
Steering Control Valve Service 108..............
Steering Cylinder 110..........................
Steering Cylinder Service 112..................
Oil Cooler 114................................
SAUER--DANFOSS LPV CLOSED CIRCUIT AXIAL
PISTON PUMPS REPAIR MANUAL
SAUER--DANFOSS LPV CLOSED CIRCUIT AXIAL
PISTON PUMPS SERVICE INSTRUCTIONS
PARKER TORQMOTOR
TM
SERVICE PROCEDURE
(TC, TB, TE, TJ, TF, TG, TH AND TL SERIES)
EATON DELTA MOTORS PARTS AND REPAIR
MANUAL
SAUER--DANFOSS STEERING UNIT TYPE OSPM
SERVICE MANUAL
Hydraulic
System