Kubota KX018-4 - User Manual

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WORKSHOP MANUAL

KX018-4

K U B O T A E X C A V A T O R

KiSC issued 06, 2012 A

Main Page

Table of Contents2
Safety First6
In the Interest of Work Safety7
Working Safely with the Equipment Means Always Following These Instructions7
Precautions before Working on the Mini-Excavator7
Precautions before Working on the Equipment8
Labels Displayed to Promote Work Safety11
Locations11
Label Maintenance16
Main Specifications17
Dimensions18
General21
Machine Indentification21
Engine Indentification22
Model and Engine Serial Number22
General Precautions23
Precautions When Handling Electrical Parts and Wiring27
Wiring27
Fuses29
Connectors29
Washing the Mini-Excavator with a High-Pressure Washer30
Torque Specification Table31
Torques for General Use Nuts and Bolts31
Torques of Stud Bolts31
Torque for Hydraulic Hose Fittings32
Torques of Lock-Nuts for Elbows with Male Seats and Adaptors with O-Rings (Straight Threads32
Hose Clamp Screw Torque33
Oil and Water Capacity Table34
Maintenance Intervals35
Operator Servicing35
Servicing by Skilled Personal or Kubota Dealer36
For NA36
Air Conditioner36
For au37
Description of Parts38
Bucket38
Bucket Installation Relevant Dimensions39
Blade39
Rubber Crawler40
Truck Roller, Idler, Sprocket40
Cylinder41
Diagram and List of Front Pins42
List of Front Bushing Dimensions44
Weights of Parts45
Quality Specifications46
Machine Body53
Servicing54
Front Equipment55
Bucket Installation and Removal55
Front Equipment Attachment and Removal56
Blade Removal and Mounting57
Swivel Frame58
Weight Disassembly/Assembly58
Canopy Removal and Mounting59
Fuel Tank Removal and Mounting60
Hydraulic Oil Tank63
Hydraulic Oil Tank Components63
Engine64
Engine Removal and Mounting64
Engine Mounts67
Muffler68
Arch69
Radiator, Oil Cooler70
Operating Lever Assembly71
Travel Lever71
Blade Lever72
Adjustable Track Lever73
Overall Routing of Blade and Adjustable Track Cables74
Accelerator Lever75
Accelerator Cable Routing76
Swing Pedal77
AUX Pedal78
Track Frame79
Swivel Bearing Assembly79
Track Frame Assembly81
Track82
Rubber Track Disassembly/Assembly82
Front Idler83
Front Idler Disassembly/Assembly83
Front Idler Components83
Cylinder Assembly84
Cylinder Assembly Disassembly/Assembly84
Cylinder ASSY Components84
Track Roller85
Track Roller Disassembly/Assembly85
Engine86
Engine88
Engine Specifications88
Performance Curve89
Dimensions91
Component Layout91
Hydraulic System92
Mechanism93
Hydraulic Device Layout96
Pump97
Specifications97
Diagram of Hydraulic Circuit99
Components100
Function and Structure101
Pump Operating Principles101
Pump Horsepower Control Mechanism102
Control Valve103
Specifications103
Diagram of Hydraulic Circuit104
Function and Structure105
Cross-Section of each Section105
Straight Travel Circuit109
Travel Alarm110
Swivel Motor111
Specifications111
Components112
Function and Structure113
Travel Motor114
Specifications114
Components115
Function and Structure117
Operating Principles117
Counterbalance117
Brake Operation118
2-Speed Function119
Auto Deceleration Function119
Decelerator120
Hydraulic Cylinder121
Boom Cylinder121
Function and Structure122
Arm Cylinder124
Specifications125
Bucket Cylinder125
Specifications126
Swing Cylinder126
Specifications127
Blade Cylinder127
Components127
Adjustable Track Cylinder128
Pilot Valve129
Pilot Valve (Boom, Arm, Bucket, Swivel)129
Specifications129
Unload Valve131
Specifications131
Tpss Valve132
Specifications132
Components132
Servicing133
Pump135
Pump Disassembly/Assembly135
Pump Disassembly Procedures137
Disassembly Procedures138
Assembly Procedures141
Service Standards for Pump Parts144
Control Valve145
Control Valve Removal and Installation145
Control Valve Disassembly/Assembly Procedures147
Swivel Motor160
Swivel Motor Removal and Installation160
Swivel Motor Disassembly/Assembly Procedures161
Disassembly Procedures162
Swivel Motor Disassembly/Assembly Procedures163
Swivel Joint168
Travel Motor170
Travel Motor Removal and Installation170
Travel Motor Disassembly/Assembly Procedures171
Travel Motor Disassembly/Assembly Procedures179
Assembly Procedures179
Hydraulic Cylinder188
Hydraulic Cylinder Disassembly/Assembly Procedures188
Cylinder Components188
Disassembly Procedures189
Cylinder Disassembly189
Assembly Procedures191
Cylinder Inspection194
Pilot Valve195
Pilot Valve (Control) Disassembly/Assembly Procedures195
Pilot Valve Components195
Disassembly Procedures196
Assembly Procedures198
Unload Valve200
Unload Valve Assembly Procedures200
Pressure Sensor201
Routing of Hydraulic Hoses202
Hydraulic Hose Specifications202
Total Length of Hydraulic Hose202
Types of Connector Fittings (Screw)202
Routing of Hydraulic Hoses203
Delivery Hose Routing203
Delivery Hose Clamp Positions205
Suction Hose Routing206
Front Hose Routing207
Travel Hose Routing209
Routing of Swivel, Blade, Swing and Adjustable Track Hoses210
Track Frame Hose Routing211
Return Hose Routing213
Return Hose Clamp Position214
Pilot Hose Routing216
Pilot Hose Routing (Around the Driver's Seat)221
TPSS Adapter222
Measuring the Performance of Hydraulic Devices223
Pilot Pressure227
Measurement Preparation229
Measurement Equipment230
Troubleshooting237
Electrical System240
Contents241
Servicing241
Wiring Circuit243
Precautions on How to Clamp the Electrical Wiring243
Precautions on Handling Electrical Connectors243
Unplugging Electrical Connectors and Wiring Layout244
Troubleshooting (Start-Up Equipment Version)255
Checks256
Power and Ground256
Starting and Stopping Devices259
Meter Panel264
Names and Functions of Meters and Switches264
Normal Mode264
User Settings Mode265
Service Dealer Mode268
Table of Diagnostic / Setting Items268
Troubleshooting (Meter Panel)290
Engine Related System290
Engine Oil Pressure Error (E:014)290
Charging System Error (E:016)294
Fuel Sensor Error (E:017)298
Water Temperature Sensor Error (E:018)302
Machine Related System306
Lever Lock System Error (E:020)306
Power Supply System316
Over-Voltage (E:025)316
External 5 V Short Error (E:027)318
External 12 V Short Error (E:028)319
Communication System320
CAN Communication Error (E:001)320
Travel Alarm323
Travel Alarm Error323
Cabin329
Servicing330
Cabin Removal and Mounting331
Heater Removal and Installation333
Checks335
Heater Related335
Blower Switch335
Blower Motor336
Window Washer Related337
Wiper Switch337
Wiper Motor338
Washer Motor339
Lighting Equipment Related340
Removal and Installation of Glass342
Preparation342
Removing Glass342
Installing Windows343
Glass Trim Type344
Troubleshooting345

Brand	Kubota
Model	KX018-4
Category	Excavators
Language	English

Kubota KX018-4 - User Manual

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