Kubota KX080-4 User manual

U.S.A. :KUBOTATRACTORCORPORATION
3401 DelAmoBlvd.,Torrance,CA 90503 ,U.S.A.
Telephone:(
310 ) 370 - 3370
Canada :KUBOTACANADALTD.
5900  14 thAvenue,Markham,Ontario,L 3 S 4 K 4 ,Canada
Telephone:(
905 ) 294 - 7477
France :KUBOTAEUROPES.A.S
19 - 25 ,RueJulesVercruysse,Z.I.BP 88 , 95101 Ar㷅enteuilCedex,France
Telephone:(
33 ) 1 - 3426 - 3434
Italy :KUBOTAEUROPES.A.SItalyBranch
ViaGrandi,
29  20068 PeschieraBorrome(MI)Italy
Telephone:(
39 ) 02 - 51650377
Germany :KUBOTABAUMASCHINENGmbH
Steinhauserstr,
100 , 66482 ZweibruckenRheinlandpfalzGermany
Telephone:(
49 ) 6332 - 4870100
U.K. :KUBOTA(U.K.)LTD.
DormerRoad,Thame,Oxfordshire,OX
9  3 UN,U.K.
Telephone:(
44 ) 1844 - 214500
Australia :KUBOTATRACTORAUSTRALIAPTYLTD.
25 - 29 PermasWay,Tru㷅anina,VIC 3029 ,Australia
Telephone:(
61 )- 3 - 9394 - 4400
Malaysia :SIMEKUBOTASDN.BHD.
No.
3 JalanSepadu 25 / 123 TamanPerindustrianAxis,
Seksyen
25 , 40400 ShahAlam,Selan㷅orDarulEhsanMalaysia
Telephone:(
60 ) 3 - 736 - 1388
Philippines :KUBOTAPHILIPPINES,INC.
232 QuirinoHi㷅hway,Baesa,QuezonCity 1106 ,Philippines
Telephone:(
63 ) 2 - 422 - 3500
Taiwan :SHINTAIWANAGRICULTURALMACHINERYCO.,LTD.
16 ,Fen㷅pin㷅 2 ndRd,TaliaoShian㷅Kaohsiun㷅 83107 ,TaiwanR.O.C.
Telephone:(
886 ) 7 - 702 - 2333
Thailand :SIAMKUBOTACORPORATIONCO.,LTD.
101 / 19 - 24 Moo 20 ,NavanakornIndustrialEstate,TambonKhlon㷅nuen㷅,AmphurKhlon㷅luan㷅,
Pathumthani
12120 ,THAILAND
Telephone:(
66 ) 2 - 909 - 0300
Japan :KUBOTACorporation
Farm&IndustrialMachineryInternationalOperationsHeadquarters
2 - 47 ,Shikitsuhi㷅ashi 1 -chome,Naniwa-ku,Osaka,Japan 556 - 8601
WesternDivision : 1175 S.GuildAvc.,Lodi,CA 95240
Telephone :( 209 ) 334 - 9910
CentralDivision : 14855 FAABlvd.,FortWorth,TX 76155
Telephone :( 817 ) 571 - 0900
NorthernDivision : 6300 atOneKubotaWay,Groveport,OH 43125
Telephone :( 614 ) 835 - 1100
SoutheastDivision : 1025 NorthbrookParkway,Suwanee,GA 30024
Telephone :( 770 ) 995 - 8855

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of Germany
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ABBREVIATION LIST
California Proposition 65
WARNING
Engine exhaust, some of its constituents,
certain vehicle components and fluids,
contain or emit chemicals known to the
State of California to cause cancer and birth
defects or other reproductive harm.


GENERAL SYMBOLS
The instruments and operation elements have been marked with a series of symbols in order to simplify the operation of
excavator. These symbols are listed below with the respective descriptions.
Safety alert Symbol
Warning lamp ''Fuel level too low''
System lamp
Warning lamp ''Engine Oil pressure''
Warning lamp ''Battery charge''
Warning lamp ''Auto Idle (AI) Lamp''
Indicator lamp ''Glow''
Working light switch
Horn
Wiper/Washer switch
Diesel
Hydraulic fluid
Gear oil
Grease
Fast
Slow
Excavator - Overhead movement toward the front
Excavator - Overhead movement toward the rear
Boom up
Boom down
Arm up
Arm crowd
Bucket crowd
Bucket dump
Boom swing (left)
Boom swing (Right)
Dozer raise
Dozer lower
Operation direction of control lever
Operation direction of control lever
Read operator's manual
Engine stop control lamp
DPF Standby / Regeneration
Engine Rev up
Inhibit DPF Regeneration
Eco mode (Energy saving mode)

FOREWORD
SAFETY FIRST
IMPORTANT :
NOTE : Gives helpful information.
DANGER :
WARNING :
CAUTION :
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in minor or moderate injury.
Indicates that equipment or property damage could result if
instructions are not followed.
This symbol, the industry's "Safety Alert Symbol", is used throughout this manual
and on labels on the machine itself to warn of the possibility of personal injury.
Read these instructions carefully. It is essential that you read the instructions and
safety regulations before you attempt to assemble or use this unit.

CONTENTS
SAFE OPERATION ............................................................................................. -1
DEALER SERVICE...................................................................................................... 1
TECHNICAL DATA...................................................................................................... 2
DESCRIPTION OF MACHINE PARTS........................................................................ 3
INSTRUMENT PANEL AND CONTROL ELEMENTS................................................. 4
CHECKS BEFORE START ......................................................................................... 6
DAILY CHECKS....................................................................................................... 6
CHECKING THE DEVICES ..................................................................................... 6
Starter Switch ................................................................................................................... 6
Display Selector Switch .................................................................................................... 7
LCD Display for Normal Operation ................................................................................... 7
Warning Lamp .................................................................................................................. 9
LCD Display for Warning ................................................................................................ 10
Setting the Clock............................................................................................................. 11
Reordering the year/month/day and Changing the AM/PM System to the 24-hour One 13
Log Record .....................................................................................................................13
Periodic Check................................................................................................................ 14
If All the Check Points are not Displayed at a Glance on a Single Screen.....................15
When the Check-up is Completed .................................................................................. 17
Horn Switch .................................................................................................................... 17
Light Switch ....................................................................................................................17
AUX Port Flow Rate Limit Switch ................................................................................... 17
Auto Idle Switch .............................................................................................................. 18
Throttle Potentiometer .................................................................................................... 18
Travel Speed Switch....................................................................................................... 18
Inhibit Diesel Particulate Filter (DPF) Regeneration Switch ...........................................19
Beacon Light Switch ....................................................................................................... 19
ECO MODE............................................................................................................ 20
CAB TYPE MACHINES ......................................................................................... 20
Wiper/Washer Switch ..................................................................................................... 20
Interior Lamp...................................................................................................................20
Heater Switch ................................................................................................................. 21
Opening/Closing of CAB Door........................................................................................21
Opening/Closing of Front CAB Window.......................................................................... 22
Opening/Closing of Side CAB Window...........................................................................22
Emergency Hammer....................................................................................................... 22
AIR CONDITIONER ............................................................................................... 23
Air Flow........................................................................................................................... 23
Air Control Vent .............................................................................................................. 23
Control Panel .................................................................................................................. 24
Operation ........................................................................................................................ 24
HANDLING THE SAFETY DEVICES..................................................................... 24
Pilot Control Lock Lever.................................................................................................. 24
OPERATION OF THE ENGINE................................................................................. 25

CONTENTS
STARTING THE ENGINE ...................................................................................... 25
STARTING THE ENGINE UNDER COLD CONDITIONS...................................... 27
STARTING WITH AN AUXILIARY BATTERY ....................................................... 27
Observe Following Guidelines when Starting with an Auxiliary Battery.......................... 27
CHECK POINTS AFTER STARTING THE ENGINE ............................................. 28
STOPPING THE ENGINE...................................................................................... 29
Engine Stop Button......................................................................................................... 29
Precautions in case of Overheat..................................................................................... 29
DPF Regeneration .......................................................................................................... 29
EXCAVATOR OPERATION ...................................................................................... 30
RUNNING-IN OF THE NEW EXCAVATOR........................................................... 30
Do not Work with Full Engine Rpm's or Full Loads during the First 50 Working Hours..30
Oil Change in the Run-in Stage ...................................................................................... 30
Adjusting the Operator's Seat ......................................................................................... 30
Seat Belt ......................................................................................................................... 31
STARTING ............................................................................................................. 31
Pilot Control Lock Lever.................................................................................................. 31
DRIVING ................................................................................................................ 32
Drive Levers(Right,Left).................................................................................................. 33
TURNS................................................................................................................... 33
Pivot Turn ....................................................................................................................... 33
Spin Turn ........................................................................................................................ 34
UP AND DOWNHILL DRIVING.............................................................................. 35
PARKING ON A SLOPE ........................................................................................ 35
OPERATION OF THE DOZER .............................................................................. 35
TWO PATTERN SELECTION SYSTEM(TPSS) .................................................... 36
Pattern Change............................................................................................................... 36
OPERATION OF THE BOOM................................................................................ 37
OPERATION OF THE ARM................................................................................... 37
OPERATION OF THE BUCKET ............................................................................ 38
UNIT SWING AND BOOM SWING OPERATION.................................................. 38
Unit Swing Operation...................................................................................................... 38
Boom Swing Operation................................................................................................... 38
AUXILIARY PORT OPERATION ........................................................................... 39
Selecting the Action Modes ............................................................................................39
AUX Port Handling Procedure ........................................................................................40
Setting the Maximum Flow Volume ................................................................................ 42
How to Resume the AUX Setting While Processing the DPF Regeneration..................47
HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM...... 47
ANGLE BLADE OPERATION ................................................................................ 48
1-way or 2-way CIRCUIT SELECTION VALVE OPERATION ............................... 49
BOOM LOWERING VALVE ................................................................................... 50
AUTO IDLE (AI) OPERATION ............................................................................... 50
ANTI-THEFT DEVICE (for KCL only)..................................................................... 51
Anti-Theft Device ............................................................................................................ 51
IMPORTANT INFORMATION ON EXCAVATOR OPERATION ............................ 54
TRANSPORTING THE EXCAVATOR ON A VEHICLE............................................. 55
LIFTING OF THE EXCAVATOR................................................................................ 57

CONTENTS
MAINTENANCE......................................................................................................... 59
MAINTENANCE INTERVALS ................................................................................ 59
OPENING AND CLOSING OF COVERS............................................................... 64
Opening/Closing of the Fuel Tank Cover........................................................................ 64
Opening/Closing of the Engine Hood ............................................................................. 64
Opening/Closing of the Side Cover ................................................................................ 64
Where to store the Tool .................................................................................................. 65
Cup Holder......................................................................................................................65
Where to store the Grease Gun...................................................................................... 65
Where to keep Operator's Manual.................................................................................. 65
Utility Box........................................................................................................................ 66
Where to Store the Fire Extinguisher.............................................................................. 66
DAILY CHECKS..................................................................................................... 66
Checking Coolant Level.................................................................................................. 66
Checking Fuel Level ....................................................................................................... 67
Checking Engine Oil Level.............................................................................................. 67
Checking Hydraulic Oil Level.......................................................................................... 68
Checking V-belt .............................................................................................................. 68
Checking Radiator and Oil Cooler .................................................................................. 69
Checking Washer Liquid................................................................................................. 69
Checking and Cleaning Engine and Electrical Wiring..................................................... 69
Washing Whole Machine ................................................................................................ 69
Greasing Bucket Pin and Bucket Link Pin/ Angle Pin and Angle Cylinder Boss ............70
Cleaning Evacuator Valve .............................................................................................. 70
Checking Diesel Particulate Filter (DPF) Muffler ............................................................ 70
REGULAR CHECKS AND MAINTENANCE WORK ................................................. 71
EVERY 50 SERVICE HOURS ............................................................................... 71
Draining the Water from the Fuel Tank........................................................................... 71
Draining Water Separator ............................................................................................... 71
Battery ............................................................................................................................ 72
Battery Charging............................................................................................................. 73
Greasing Swing Bearing Teeth....................................................................................... 73
EVERY 100 SERVICE HOURS ............................................................................. 74
Greasing Boom Swing Fulcrum ...................................................................................... 74
EVERY 200 SERVICE HOURS ............................................................................. 74
Adjusting V-belt Tension................................................................................................. 74
Checking Radiator Hoses and Clamps........................................................................... 76
Grease Swing Ball Bearing............................................................................................. 76
Inspection and Cleaning Air Filter Element.....................................................................76
Air Filter Maintenance..................................................................................................... 77
Checking Fuel Line and Intake Air Line .......................................................................... 77
AIR CONDITIONER ............................................................................................... 78
Cleaning Air Filter ........................................................................................................... 78
Checking Air-Conditioner Condenser ............................................................................. 78
EVERY 250 SERVICE HOURS ............................................................................. 79
Greasing Front Attachments (without Bucket Pin and Boom Swing Fulcrum)................79
EVERY 500 SERVICE HOURS ............................................................................. 80
Changing Engine Oil(Change the engine oil every 500 hours,or every 1 year in the case
that service hour is less than 500 hours)........................................................................80
Replacing Engine Oil Filter Cartridge (Replace the engine oil filter cartridge every 500
hours,or every 1 year in the case that service hour is less than 500 hours)...................80

CONTENTS
Drive unit Oil Change(First Oil Change of the 50 hours) ................................................81
Replacing Fuel Filter Cartridge ....................................................................................... 81
EVERY 1000 SERVICE HOURS ........................................................................... 81
Replacing the Hydraulic Pilot Filter Element................................................................... 81
Replacing Hydraulic Return Filter Cartridge ................................................................... 82
Hydraulic Oil Change (Including Replacing of the Suction Filter in the Hydraulic Tank) 83
Hydraulic Oil Check with Hydraulic Hammers ................................................................ 84
EVERY 1000 SERVICE HOURS OR ONCE A YEAR ........................................... 84
Replacing Air Filter Element ........................................................................................... 84
EVERY 1500 SERVICE HOURS ........................................................................... 85
Checking Injector Tip ...................................................................................................... 85
Replacing Oil Separator Element ................................................................................... 85
Checking EGR Cooler .................................................................................................... 85
EVERY 2000 SERVICE HOURS ........................................................................... 85
Changing Front Idler and Track Roller Oil ......................................................................85
Checking the Alternator and Starter Motor .....................................................................85
EVERY 3000 SERVICE HOURS ........................................................................... 85
Checking EGR System ................................................................................................... 85
Checking Turbocharger .................................................................................................. 85
Cleaning Diesel Particulate Filter (DPF) ......................................................................... 85
ANNUAL SERVICING............................................................................................ 86
Electrical Wiring and Fuses ............................................................................................ 86
Checking the Electrical Circuit ........................................................................................ 86
Checking Air-Conditioner Pipes and Hoses....................................................................86
Checking Boost Sensor and AFS (Air Flow Sensor) ......................................................86
Checking Condition of Diesel Particulate Filter (DPF) Muffler........................................ 86
Checking Diesel Particulate Filter (DPF) Differential Pressure Sensor and Piping for Gas
Leak................................................................................................................................ 86
Checking Diesel Particulate Filter (DPF) Exhaust Gas Temperature Sensor................. 86
Checking EGR Piping for Gas Leak ............................................................................... 86
BIENNIAL SERVICING .......................................................................................... 86
Replacing Air-Conditioner Pipes and Hoses...................................................................86
Replacement of Radiator Hoses and Hose Clamps ....................................................... 86
Changing Radiator Coolant ............................................................................................ 87
Replacing Fuel Hoses and Hose Clamps.......................................................................88
Replacing Intake Air line ................................................................................................. 88
Replacement of Oil Separator Rubber Hose .................................................................. 88
Replacement of Diesel Particulate Filter (DPF) Differential Pressure Sensor Rubber
Piping (Front and Back) .................................................................................................. 88
Replacement of Suction pipe downstream the AFS (Air Flow Sensor) .......................... 88
Replacement of Boost Sensor Pressure Rubber Piping.................................................88
Replacement of EGR Cooler Hose................................................................................. 88
SERVICING AS REQUIRED.................................................................................. 89
Checking Amount of Refrigerant (gas) ........................................................................... 89
Draining the fuel filter...................................................................................................... 89
OTHER ADJUSTMENTS AND REPLACEMENTS.................................................... 90
PURGING OF THE FUEL SYSTEM ...................................................................... 90
ADJUSTMENT OF TRACKS ................................................................................. 90
Special Information when Using Rubber Tracks............................................................. 91
CHANGING THE BUCKET .................................................................................... 92
FUSES ................................................................................................................... 92

CONTENTS
Replacing Fuses ............................................................................................................. 92
Fuse Capacities and Circuits ..........................................................................................92
Auxiliary Electric .............................................................................................................93
Slow Blow Fuse .............................................................................................................. 93
Electric Fan Fuse............................................................................................................ 93
TROUBLESHOOTING............................................................................................... 94
OPERATION UNDER COLD WEATHER CONDITIONS .......................................... 96
PREPARATION FOR OPERATION IN COLD WEATHER .................................... 96
PROCEDURE AFTER DONE WORK.................................................................... 96
LONG STORAGE ...................................................................................................... 97
RECOMMENDED OILS............................................................................................. 99
APPENDICES.......................................................................................................... 101
MAIN DIMENSIONS ............................................................................................ 101
LIFTING CAPACITY ................................................................................................ 102
LIST OF SCREENS................................................................................................. 104
LIST OF NORMAL SCREENS............................................................................. 104
NAVIGATION LIST OF SCREENS ...................................................................... 105
AUTOMATIC DIESEL PARTICULATE FILTER (DPF) REGENERATION........... 112
LOCKING AND RELEASING THE DIESEL PARTICULATE FILTER (DPF)
REGENERATION ................................................................................................ 113