Kubota KX080-4 Workshop Manual page 158

11. ROUTING OF HYDRAULIC HOSES .......................................................................................3-S112
[1] HYDRAULIC HOSE SPECIFICATIONS ............................................................................3-S112
[2] HIGH-PRESSURE HOSES ...............................................................................................3-S113
(1) Deliver Hose Routing...................................................................................................3-S113
(2) PLS Hose Routing .......................................................................................................3-S116
(3) Front Hose Routing......................................................................................................3-S117
(4) Boom Hose Routing.....................................................................................................3-S120
(5) Undercarriage Hose Routing .......................................................................................3-S121
(6) Angle Blade Hose Routing...........................................................................................3-S122
[3] LOW-PRESSURE HOSES ................................................................................................3-S123
(1) Suction Pipe and Hose Routing...................................................................................3-S123
(2) Drain Hose Routing .....................................................................................................3-S124
[4] PILOT HOSES...................................................................................................................3-S125
(1) Deliver Hose Routing...................................................................................................3-S125
(2) Port P Hose Routing ....................................................................................................3-S126
(3) Port T Hose Routing ....................................................................................................3-S127
(4) Ports P and T Pilot Valve Hose Routing ......................................................................3-S128
(5) Pilot Valve Hose Routing .............................................................................................3-S130
12. MEASURING HYDRAULIC DEVICE PERFORMANCE ..........................................................3-S133
[1] PISTON PUMP AIR BLEEDING PROCEDURE ................................................................3-S133
[2] RELEASE OF PRESSURE IN THE HYDRAULIC SYSTEM .............................................3-S134
[3] MANUAL BOOM LOWERING PROCEDURE ...................................................................3-S135
[4] MEASURING THE FLOW RATE .......................................................................................3-S136
(1) Measuring Main Pump Flow ........................................................................................3-S136
(2) Measuring the AUX Proportional Settings ...................................................................3-S138
(3) Measuring AUX Discharge Flow..................................................................................3-S139
[5] MEASURING PRESSURE ................................................................................................3-S140
(1) Main Relief Valve Measuring Procedure .....................................................................3-S140
(2) Measuring Pilot Secondary Pressure ..........................................................................3-S142
(3) Measuring EP Proportional Solenoid Pressure ...........................................................3-S143
(4) Measuring the Overload Relief Valve Pressure...........................................................3-S144
(5) Pressure Measuring Kit ...............................................................................................3-S146
(6) Adjusting Swivel Relief Valve Pressure .......................................................................3-S147
(7) Adjust the LS Control Differential Pressure Adjusting Spring Force............................3-S147
[6] MEASURING SWIVEL PERFORMANCE .........................................................................3-S148
(1) Measuring Swivel Motor Drain Volume........................................................................3-S148
(2) Measuring Swivel Block Performance .........................................................................3-S149
(3) Measuring Swivel Speed .............................................................................................3-S150
[7] MEASURING TRAVEL PERFORMANCE .........................................................................3-S151
(1) Measuring Travel Motor Drain Volume ........................................................................3-S151
(2) Measuring Travel Block Performance..........................................................................3-S152
(3) Measuring Travel Speed..............................................................................................3-S153
(4) Measuring Travel Drift .................................................................................................3-S153
[8] MEASURING CYLINDER SPEED.....................................................................................3-S154
(1) Measuring Hydraulic Cylinder Operating Time ............................................................3-S154
(2) Measuring Hydraulic Cylinder Drift ..............................................................................3-S156
(3) Measuring Swing Cylinder Deviation ...........................................................................3-S157
13. HYDRAULIC DEVICE PERFORMANCE STANDARDS..........................................................3-S158
[1] FLOW RATE......................................................................................................................3-S158
(1) Main Pump Discharge Flow Rate Data (Measured Values) ........................................3-S158
(2) Flow Rate Data for AUX Proportional Control (Measured Values) ..............................3-S160
(3) AUX Discharge Flow Rate Data (Measured Values) ...................................................3-S161
[2] RELIEF PRESSURE (MEASURED VALUES) ..................................................................3-S162
[3] SWIVEL PERFORMANCE ................................................................................................3-S163
[4] TRAVEL PERFORMANCE ................................................................................................3-S163
[5] CYLINDER SPEED ...........................................................................................................3-S164
14. TROUBLESHOOTING.............................................................................................................3-S165
[1] TROUBLESHOOTING ALL ACTUATORS ........................................................................3-S165
[2] TROUBLESHOOTING FRONT SYSTEMS .......................................................................3-S165
KiSC issued 08, 2015 A