Toro Workman HDX - Chapter 9 Hydraulic System; General Information 9

Workman HD Series Page 9 -- 1 Hydraulic System
Chapter 9
Hydraulic System
Table of Contents
SPECIFICATIONS 3.............................
GENERAL INFORMATION 4.....................
Operator’s Manual 4..........................
Hydraulic Hoses 4............................
Hydraulic Hose and Tube Installation 5..........
Hydraulic Fitting Installation 6...................
HYDRAULIC SCHEMATICS 8....................
Vehicle Hydraulic Schematic 8..................
High Flow Hydraulics Kit (If Equipped) Schematic 9
HYDRAULIC CIRCUIT OPERATION 10............
Steering Circuit 10............................
Raise and Lower Bed 11.......................
High Flow Hydraulic Circuit 12..................
SPECIAL TOOLS 14............................
Hydraulic Pressure Test Kit 14..................
Hydraulic Tester (Pressure and Flow) 14.........
Hydraulic Test Fitting Kit 15.....................
O-- ring Kit 15.................................
Male Coupler (For High Flow Hydraulics Kit) 15...
TROUBLESHOOTING 16........................
TESTING 19...................................
Gear Pump Flow and System Relief Pressure
(Workman HDX and HDX--D) 20..............
Gear Pump Flow and System Relief Pressure
(Workman HD) 22...........................
Steering Control Valve and Steering
Cylinder 24.................................
Lift Cylinder Internal Leakage 26................
High Flow Hydraulics Kit (If Equipped)
Gear Pump Flow and Relief Pressure 28.......
SERVICE and REPAIRS 31......................
General Precautions for Removing and Installing
Hydraulic System Components 31.............
Check Hydraulic Lines and Hoses 31............
Gear Pump (Workman HDX and HDX--D) 32.....
Gear Pump (Workman HD) 34..................
Gear Pump Service 36.........................
Gear Pump Service (Vehicles with High Flow
Hydraulics Kit) 40...........................
Lift Valve 42..................................
Lift Valve Service 44...........................
Steering Control Valve 46......................
Steering Control Valve Service 48...............
Steering Cylinder 50...........................
Steering Cylinder Service 52...................
Lift Cylinder 54...............................
Lift Cylinder Service 56........................
Hydraulic Manifold (High Flow Hydraulics Kit) 58..
SAUER/DANFOSS STEERING UNIT TYPE OSPM
SERVICE MANUAL
Hydraulic
System