Servicing - Kubota KX080-4 Workshop Manual

1. PUMP ..........................................................................................................................................3-S1
[1] PUMP DISASSEMBLY / ASSEMBLY ...................................................................................3-S1
[2] PUMP DISASSEMBLY PROCEDURES ...............................................................................3-S4
(1) Disassembly Procedures.................................................................................................3-S7
(2) Assembly Procedures....................................................................................................3-S12
2. CONTROL VALVE.....................................................................................................................3-S17
[1] CONTROL VALVE REMOVAL ............................................................................................3-S17
[2] CONTROL VALVE ASSEMBLY/DISASSEMBLY................................................................3-S19
3. SWIVEL MOTOR.......................................................................................................................3-S26
[1] SWIVEL MOTOR REMOVAL AND INSTALLATION ...........................................................3-S26
[2] SWIVEL MOTOR DISASSEMBLY/ASSEMBLY PROCEDURES .......................................3-S28
(1) Disassembly Procedures...............................................................................................3-S30
(2) Assembly Procedures....................................................................................................3-S34
(3) Special Tools .................................................................................................................3-S40
4. SWIVEL JOINT..........................................................................................................................3-S41
[1] REMOVAL AND INSTALLATION OF THE SWIVEL JOINT................................................3-S41
[2] SWIVEL JOINT DISASSEMBLY / ASSEMBLY PROCEDURES ........................................3-S44
(1) Disassembly Procedures...............................................................................................3-S45
(2) Assembly Procedures....................................................................................................3-S47
5. TRAVEL MOTOR ......................................................................................................................3-S49
[1] REMOVAL AND INSTALLATION OF THE TRAVEL MOTOR ............................................3-S49
[2] TRAVEL MOTOR DISASSEMBLY / ASSEMBLY PROCEDURES .....................................3-S50
(1) Disassembly Procedures...............................................................................................3-S52
(2) Assembly Procedures....................................................................................................3-S59
(3) Special Tools .................................................................................................................3-S67
6. CYLINDER.................................................................................................................................3-S69
[1] TIGHTENING TORQUE ......................................................................................................3-S69
7. PILOT VALVE............................................................................................................................3-S71
[1] CONTROL PILOT VALVES.................................................................................................3-S71
(1) Disassembly ..................................................................................................................3-S72
(2) Assembly .......................................................................................................................3-S75
(3) Special Tools .................................................................................................................3-S79
[2] TRAVEL PILOT VALVE.......................................................................................................3-S80
(1) Disassembly ..................................................................................................................3-S81
(2) Assembly .......................................................................................................................3-S85
(3) Special Tools .................................................................................................................3-S89
[3] SWING PILOT VALVE ........................................................................................................3-S89
(1) Disassembly ..................................................................................................................3-S90
(2) Assembly .......................................................................................................................3-S93
[4] BLADE PILOT VALVES ......................................................................................................3-S98
(1) Disassembly ................................................................................................................3-S100
(2) Assembly .....................................................................................................................3-S102
8. SHOCKLESS VALVES............................................................................................................3-S106
9. SWIVEL SHUTTLE VALVE .....................................................................................................3-S107
10. SOLENOID VALVE..................................................................................................................3-S108
[1] UNLOAD VALVE ...............................................................................................................3-S108
[2] AUX PROPORTIONAL CONTROL SOLENOID VALVE ...................................................3-S109
[3] ANGLE SOLENOID VALVE ..............................................................................................3-S110
[4] EP MODE SOLENOID VALVE ..........................................................................................3-S111

SERVICING

CONTENTS
KiSC issued 08, 2015 A