Filter
Top Products
Rev. C
ProCore 648 Hydraulic SystemPage 4 -- 1
Chapter 4
Hydraulic System
Table of Contents
SPECIFICATIONS 2.............................
GENERAL INFORMATION 4.....................
Hydraulic Hoses 4............................
Hydraulic Fitting Installation 4...................
Pushing/Pulling Machine 6.....................
Check Hydraulic Fluid 6.......................
Relieving Hydraulic System Pressure 6..........
HYDRAULIC SCHEMATIC 7.....................
HYDRAULIC FLOW DIAGRAMS 8................
Traction Circuit 8..............................
Coring Head Raise/Lower Circuits 10............
SPECIAL TOOLS 12............................
Hydraulic Pressure Test Kit 12..................
Hydraulic Tester (Pressure and Flow) 12.........
Hydraulic Test Fitting Kit 13.....................
Wheel Hub Puller 13..........................
TROUBLESHOOTING 14........................
TESTING 17...................................
Charge Pressure Test 18.......................
Coring Head Raise/Lower Relief (R1)
Pressure Test 20............................
Traction (Piston) Pump (P1) Flow Test 22........
Traction Circuit Relief Pressure Test 24..........
Gear Pump (P2) Flow Test 26..................
Wheel Motor Efficiency Test 28.................
SERVICE AND REPAIRS 30.....................
General Precautions for Removing and Installing
Hydraulic System Components 30.............
Check Hydraulic Lines and Hoses 30............
Flush Hydraulic System 31.....................
Hydraulic System Start--up 32..................
Hydraulic Pump Drive Belt 34...................
Hydraulic Pump Control Assembly 36............
Hydraulic (Traction/Charge) Pump 38............
Hydraulic (Traction/Charge) Pump Service 41.....
Wheel Motors 42..............................
Wheel Motor Service 44.......................
Hydraulic Lift Control Manifold 46...............
Hydraulic Lift Control Manifold Service 48........
Lift Cylinder 50...............................
Lift Cylinder Service 52........................
Hydraulic Reservoir 54........................
HYDRO--GEAR BDP--10A/16A/21L HYDROSTATIC
PUMPS SERVICE AND REPAIR MANUAL
SAUER DANFOSS GROUP 2GEAR PUMPS AND MO-
TORS SERVICE MANUAL
SAUER DANFOSS OMEW HYDRAULIC MOTOR
SERVICE MANUAL
Hydraulic
System