Multi Pro 5800 Hydraulic SystemPage 5 - 1
Chapter 5
Hydraulic System
Table of Contents
SPECIFICATIONS 3............................
GENERAL INFORMATION 4.....................
Operator ’s Manual 4..........................
Traction Circuit Component Failure 4............
Hydraulic Hoses 5............................
Hydraulic Hose and Tube Installation 6..........
Hydraulic Fitting Installation 7..................
HYDRAULIC SCHEMATIC 9.....................
HYDRAULIC FLOW CIRCUITS 10................
Traction Circuit 10............................
Steering Circuit 12............................
Spray Pump Drive Circuit 14...................
Spray Boom Lift Circuit 16.....................
SPECIAL TOOLS 18............................
TROUBLESHOOTING 22........................
TESTING 26...................................
Traction Circuit
Charge Pressure Test 28....................
Charge Pump Flow Test 30..................
Wheel Motor Efficiency Test 32...............
Traction (Piston) Pump Flow and
Relief Pressure Test 36....................
Steering/Boom Lift Circuit
Gear Pump P2 Flow and Circuit Relief
Pressure Test (Using Tester with Flow
Meter and Pressure Gauge) 40.............
Steering Control Valve and Steering
Cylinder Test 44..........................
Boom Lift Cylinder Internal Leakage Test 46....
Spray Pump Circuit
Gear Pump P1 Flow Test (Using Tester with
Flow Meter and Pressure Gauge) 48........
ADJUSTMENTS 50.............................
Adjust Traction Pedal for Neutral 50.............
SERVICE AND REPAIRS 51.....................
General Precautions for Removing and
Installing Hydraulic System Components 51......
Check Hydraulic Lines and Hoses 51............
Priming Hydraulic Pumps 52...................
Flush Hydraulic System 53.....................
Filtering Closed- Loop Traction Circuit 54........
Charging Hydraulic System 55..................
Gear Pump 56................................
Gear Pump Service 58........................
Piston (Traction) Pump 62.....................
Piston (Traction) Pump Service 66..............
Wheel Motors 68.............................
Wheel Motor Service 70.......................
Spray Pump Drive Motor and Control
Manifold Assembly 72........................
Spray Pump Drive Motor Service 74.............
Spray Pump Control Manifold Service 76........
Steering Control Valve 78......................
Steering Control Valve Service 80...............
Steering Cylinder 82..........................
Steering Cylinder Service 84......
.............
Boom Lift Manifold 86.........................
Boom Lift Manifold Service 88..................
Boom Lift Cylinders 90........................
Boom Lift Cylinder Service 92..................
Oil Cooler 94.................................
Hydraulic Reservoir 96........................
EATON MODEL 72400 SERVO CONTROLLED
PISTON PUMP REPAIR INFORMATION
EATON MODEL 74318 and 74348 PISTON MOTORS:
FIXED DISPLACEMENT, VALVE PLATE DESIGN
REPAIR INFORMATION
PARKER TORQLINK
TM
SERVICE PROCEDURE
SAUER/DANFOSS STEERING UNIT TYPE OSPM
SERVICE MANUAL
Hydraulic
System
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