Kubota KX080-4 Operators Manual


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U.S.A. : KUBOTA TRACTOR CORPORATION 3401 Del Amo Blvd., Torrance, CA 90503, U.S.A. Telephone : (310)370-3370 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

Canada : KUBOTA CANADA LTD. 590014th Avenue, Markham, Ontario, L3S 4K4, Canada Telephone : (905)294-7477 France : KUBOTA EUROPE S.A.S 19-25, Rue Jules Vercruysse, Z.I. BP88, 95101 Ar.enteuil Cedex, France Telephone : (33)1-3426-3434 Italy : KUBOTA EUROPE S.A.S Italy BranchVia Grandi, 2920068 Peschiera Borrome (MI) ItalyTelephone : (39)02-51650377 Germany : KUBOTA BAUMASCHINEN GmbH Steinhauser str, 100, 66482 Zweibrucken Rheinlandpfalz GermanyTelephone : (49)6332-4870100 U.K. : KUBOTA (U.K.) LTD.Dormer Road, Thame, Oxfordshire, OX93UN, U.K. Telephone : (44)1844-214500 Australia : KUBOTA TRACTOR AUSTRALIA PTY LTD. 25-29 Permas Way, Tru.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.or Darul Ehsan MalaysiaTelephone : (60)3-736-1388 Philippines: KUBOTA PHILIPPINES, INC. 232 Quirino Hi.hway, Baesa, Quezon City 1106, PhilippinesTelephone : (63)2-422-3500 Taiwan : SHIN TAIWAN AGRICULTURAL MACHINERY CO., LTD. 16, Fen.pin.2nd Rd, Taliao Shian. Kaohsiun.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.nuen., Amphur Khlon.luan., Pathumthani 12120, THAILAND Telephone : (66)2-909-0300 Japan : KUBOTA CorporationFarm & Industrial Machinery International Operations Headquarters2-47, Shikitsuhi.ashi 1-chome, Naniwa-ku, Osaka, Japan 556-8601 ABBREVIATION LIST

Abbreviations Definitions

of Germany

d dozer

KX080-4 English (U.S.A.) AU. B. 11-15. 1. K

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 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. DANGER : Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING :Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION : Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. IMPORTANT : Indicates that equipment or property damage could result if instructions are not followed. NOTE : Gives helpful information.

CONTENTS

SAFE OPERATION .............................................................................................

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

SAFE OPERATION

SAFE OPERATION

Careful operation is your best insurance against an accident. Read and understand this manual carefully, before operating the excavator. Every user, however experienced, should carefully read and understand this manual and those of the attachments and accessories before operating the excavator. The owner is obliged to inform all operators of these instructions in detail. Keep this manual in the storage location. (See "Where to keep Operator's Manual" in "MAINTENANCE" section.) 1. BEFORE OPERATION 1. Know your equipment and its limitations. Read and understand this entire manual before attempting to start and operate the excavator.

2. Obey the danger, warning and caution labels on the machine.

3. For your safety, a ROPS/OPG (Top Guard Level I) with a seat belt is installed by KUBOTA. A ROPS: Roll-Over Protective Structure A OPG (Top Guard Level I): Operator Protective

Guards of Top Guard Level I Always use the seat belt when the machine is equipped with a ROPS/OPG (Top Guard Level I) as this combination will reduce the risk of serious injury or death, should the excavator be upset or falling objects occur. Do not modify any structural members of the ROPS/ OPG (Top Guard Level I) by welding, drilling, bending, grinding or cutting, as this may weaken the structure. If any component is damaged, replace it. Do not attempt repairs. If the ROPS/OPG (Top Guard Level I) is loosened or removed for any reason, make sure all parts are reinstalled correctly. Tighten mounting bolts to proper torque.

4. ROPS meets requirements of ISO 12117-2. OPG (Top Guard Level I) meets requirements of OSHA 1926 1003/ISO 10262.

5. The seat belt must be inspected regularly and replaced if frayed or damaged.

6. Always sit in the operator's seat when starting engine or operating levers or controls.

7. Study control lever pattern A and pattern B. Then choose the one which is most familiar. Familiarize yourself with the pattern selected by operating the unit slowly and at low engine speed.

(1) Pattern selector lever (A) "Pattern A" (Two Pattern Selection System:TPSS) (B) "Pattern B" 8. Do not operate the excavator while under the influence of alcohol, medication, controlled substances or while fatigued.

9. Check the surroundings carefully before using the excavator or when attachments are being attached. A Pay attention to the overhead clearance with electric wires.

A Do not allow any persons within the working range of the excavator during operation. A Check local regulations before digging and call diggers hotline before working, www.diggershotline.com or 811 (WI) and www.ne­diggers.com or 1-800-331-5666 (NE). 10.Do not allow anyone to use the excavator until they have been advised of the work to be performed and they have indicated that they have read and understood the operator's manual. 11.Do not wear baggy, torn or oversized clothing when working with the excavator as such clothing can get caught in rotating parts or control elements which can cause accidents or injuries. Wear adequate safety clothing, e.g. safety helmet, safety shoes, eye protection, ear protection, working gloves, etc., as necessary and as prescribed by law or statutes.

(1) Helmet (7) Straw hat

(2) Clothing fit for work (8) Towel

(3) Tight seams (9) Baggy trousers

(4) Good grip footwear (10) Loose cuffs of the shirt

(5) Well fitting cuffs (11) Baggy shirt

(6) Working gloves (12) Rubber sandals

12.Do not allow passengers to ride on any part of the excavator at anytime. The operator must remain in the excavator seat during operation. 13.Check levers, pedals and all mechanical parts for correct adjustment and wear. Replace worn or damaged parts immediately. Check nuts and bolts regularly for correct torque. 14.Keep your excavator clean. Heavy soiling, grease, dust and grass can cause fires, accidents or injuries. 15.Use only KUBOTA authorized attachments. 16.Before starting the excavator, be absolutely sure that the excavator has been filled with fuel, lubricated, greased and undergone all necessary maintenance. 17.Do not modify the excavator, as such it could lead to unforeseen safety problems. 18.Do not operate a hydraulic hammer on anything that is above the operator's seat level as objects may fall into the operator station. 19.Make sure attachments, particularly those utilizing quick attach systems, are securely mounted. 20.Install protective guards on the excavator when working in areas where objects may fall or be thrown. SAFE OPERATION

2. OPERATING THE EXCAVATOR 1. Mount and dismount the machine safely. Always face the machine. Always use handrails and available steps and keep yourself well balanced. Do not grab or hold any of the control levers and switches. Do not jump on or off the machine, whether stationary or in motion.

2. Start and control the excavator only from the operator's seat. The driver should not lean out of his seat when the engine is running.

3. Before starting the engine, make sure that the lock levers are in the "Lock" position and all control levers and pedals are in their neutral positions and the seat belt is fastened correctly. Before starting the engine, make sure that the control levers, travel lever, pedals and other control elements are not stuck and can be moved smoothly. If stuck, for example, a lever may fail to return, possibly putting you in danger. If anything wrong is found, immediately pinpoint the cause and correct it.

4. Before operating the excavator, make sure that the dozer blade is in front of you. If the levers are activated with the dozer blade at the rear, the tracks will move in the opposite direction of the drive levers.

5. Do not operate or idle engine in a non-ventilated area. Carbon monoxide gas is colorless, odorless, and deadly.

6. Keep all safety equipment and covers in place. Replace damaged or missing safety devices.

7. When operating, keep hands and body inside of the ROPS / OPG (Top Guard Level I) protective envelope. Do not touch or depress the control levers or the pedals from outside the cab while the engine is running.

8. Take precautions against tipping over. Stay away from steep slopes and embankments. Do not swing the bucket downhill. Lower the dozer blade when digging. Keep the bucket as low as possible while driving uphill. Turn slowly on slopes (at reduced speed). Do not place the excavator near the edges of trenches and banks, as the earth can give away due to the weight of the excavator. ALLOWABLE CLIMBING ANGLE : 36 % (20 deg.) ALLOWABLE ANGLE CROSS : 27 % (15 deg.)

9. Watch where you are going at all times. Watch for and avoid obstacles. Remain alert for trees, wires and other obstructions.

C Safety for children Tragedy can occur if the operator is not alert to the presence of children. Children generally are attracted to machines and the work they do. 1. Never assume that children will remain where you last saw them.

2. Keep children out of the work area and under the watchful eye of another responsible adult.

3. Be alert and shut your machine down if children enter the work area.

4. Never carry children on your machine. There is not a safe place for them to ride. They may fall off and be run over or interfere with your control of the machine.

5. Never allow children to operate the machine even under adult supervision.

6. Never allow children to play on the machine or on the attachments.

7. Use extra caution when backing up. Look behind and down to make sure the area clear before moving.

8. When parking your machine, if at all possible, park on a firm, flat and level surface; if not, park across a slope. Lower the bucket and dozer to the ground, stop the engine, release pressure in the hydraulic system, place the pilot control lock lever in the locked position, remove the key and lock the cab door (if equipped), before you leave.

3. AFTER OPERATION Before leaving the machine, A Park the excavator on a firm, flat and level surface. If this is not possible, park across the slope. A Lower the attachments and the dozer blade to the ground. A Stop the engine. A Release pressure in the hydraulic system. A Lock all control levers. A Remove the key. A Lock the cab door (if equipped)

(1)Pilot control lock lever (A) "Unlock" (B) "Locked" SAFE OPERATION

4. SAFE LOADING AND TRANSPORT OF THE EXCAVATOR 1. Observe all regulations concerning the transport of excavators on public roads.

2. Use adequately long and robust ramps when loading on the machine. (for details see "TRANSPORTING THE EXCAVATOR ON A VEHICLE")

3. Do not change the running direction and to avoid tipping over, do not try to swing the attachment crosswise to the loading ramps.

4. Lower the attachment on the loading bed and release the pressure from the hydraulic system. After loading the excavator on the truck, block the tracks with blocks and tie down the excavator at the appropriate locations.

5. Avoid abrupt braking of the vehicle with the excavator loaded. Sudden braking cause the excavator to move and may cause a serious accident.

6. When towing the excavator or pulling a load, the load must be less than the strength of the towing line attached to excavator. The towing eye should not be used for tie down or lifting of the machine.

Max. drawbar pull at 116.9 kN (26280 lbf, 11920 kgf) coupling hook Max. vertical load at 12.1 kN (2720 lbf, 1234 kgf) coupling hook 7. Do not use the hooks on the roof of CAB for lifting the excavator.

5. MAINTENANCE Before doing maintenance work on the excavator, place the machine on a firm, flat and level surface, lower the attachments to the ground, stop the engine, release pressure trapped in the hydraulic system, lock all control levers and remove the key. When dismantling hydraulic parts, make sure that the hydraulic oil has cooled down sufficiently to avoid burns. Start maintenance work carefully, e.g. loosen plug slowly so that oil will not squirt out. 1. Before doing work on the engine, the exhaust system, the radiator and the hydraulics, let the excavator cool down sufficiently.

2. Always turn off the engine when filling the fuel tank. Avoid spilling and over-filling of fuel.

3. Smoking is prohibited while refueling or handling the battery. Keep sparks and fire away from the fuel tank and battery. Flammable gases escape from the battery, especially during charging.

4. Do not use or charge a refillable type battery if the fluid level is below the LOWER (lower limit level) mark. Otherwise, the battery component parts may prematurely deteriorate, which may shorten the battery's service life or cause an explosion. Check the fluid level regularly and add distilled water as required so that the fluid level is between the UPPER and LOWER levels.

5. Read and follow the directions "STARTING WITH AN AUXILIARY BATTERY" in "OPERATION OF THE ENGINE", when starting with an auxiliary battery.

6. Keep a first-aid box and a fire extinguisher at hand at all times.

7. Do not open the radiator cap before the radiator has cooled down sufficiently First loosen the cap to the first stop and allow the system enough time to release the remaining pressure. Then loosen the cap completely.

8. To avoid short-circuiting the battery, always remove the ground cable first and attach the positive cable first.

9. Oil under high pressure can penetrate the skin and may be harmful to your health if not treated immediately.

10.Leaking hydraulic fluid has enough pressure to penetrate the skin and cause serious injuries. Leakages from pin holes can be totally invisible. Do not use hands for checking for leaks. Always use a piece of wood or cardboard. It is strongly recommended that you use a face mask or eye protection. Should injuries occur with leaking hydraulic fluid, contact a doctor immediately. This fluid can cause gangrene or serious allergic reactions.

13.To avoid fire, do not heat the hydraulic components (tanks, pipes, hoses, cylinders) before they have been drained and washed. 14.Use eye protection or a face mask to protect the eyes and respiratory system against dust and other foreign particles.

16.Do not dismantle the spring of the track tensioner. If dismantling is necessary, contact your KUBOTA dealer where the machine was purchased, or competent service shop. The assembly must be done according to the KUBOTA work shop manual (W.S.M.) for the product involved. 17.When lifting the machine itself with an attachment, place a safety block or safety post to prevent the machine from rolling over. Keep the lock lever for attachment control in the "LOCK" position. 18.Inspect ROPS / OPG (Top Guard Level I) for damage and if damage is found contact your KUBOTA dealer for repair. SAFE OPERATION

19.KUBOTA does not use asbestos containing components and recommends against the use of such components. Components containing asbestos should be handled in accordance with applicable regulations and industry practice. 20.Do not open high-pressure fuel system. High-pressure fluid remaining in fuel lines can cause serious injury. Do not disconnect nor attempt to repair fuel lines, sensors, or any other components between the high-pressure fuel pump and injectors on engines with high-pressure common rail fuel system. 21.To avoid hazardous high voltage, turn the key switch to the OFF position if it is necessary to check to repair the computer, harness or connectors. 22.For proceeding to regenerate the DPF, a warning indicator appears on the LCD display to tell you to increase the engine rpm to its specified level. Follow that instruction. 23.When the Diesel Particulate Filter (DPF) is in the regenerating cycle, the exhaust gas and the DPF muffler become hot. During regeneration, take into account that the muffler will be very hot and keep the machine away from other people, animals, plants, and flammable material. Also keep the area near the DPF muffler clean and away from flammable material. 24.The DPF-regeneration-caused exhaust gas may adversely affect people, animals and plants. Before this action, look around the machine for added safety. 25.During DPF regeneration keep the surrounding environment in mind. Do not allow the ambient temperature to rise excessively due to heat from the regeneration. If such occurs activate the inhibit switch. 26.Fire prevention Excavator and some attachments have components that are at high temperatures under normal operating conditions. The primary source of high temperatures is the engine and exhaust system. The electrical system, if damaged or incorrectly maintained, can be a source of arcing or sparks. The following fire prevention guidelines will help to keep your equipment up and running efficiently and keep the risk of fire to a minimum. A Blow off all accumulated debris near hot engine exhaust components such as turbocharger and exhaust manifold as well as exhaust pipes and muffler more frequently when working in severe conditions. A Clean out all accumulated flammable debris such as leaves, straw, pine needles, branches, bark, small wood chips and any other combustible materials from inside the machine belly pans or lower unit structures as well as from area in proximity to the engine. A Inspect all fuel lines and hydraulic hoses for wear or for deterioration. Replace them immediately if they begin to leak. A Examine electrical wiring and connectors frequently for damage. Repair any wires that are loose or frayed before operating the machine. Clean all electrical connections and tighten all electrical connections as necessary. A Inspect the exhaust system daily for any signs of leakage. Check for broken pipes and muffler and also for loose or missing bolts, nuts and clamps. If any exhaust leaks or fractured parts are found, repairs must be completed prior to operation. A Always keep a multipurpose fire extinguisher on or near the machine. Be familiar with the operation of the fire extinguisher.

SAFE OPERATION

7. CARE OF DANGER, WARNING AND CAUTION LABELS 1. Keep danger, warning and caution labels, clean and free from obstructing material.

2. Clean danger, warning and caution labels with soap and water, dry with a soft cloth.

3. Replace damaged or missing danger, warning and caution labels with new labels from your KUBOTA dealer.

4. If a component with danger, warning and caution label(s) affixed is replaced with new part, make sure new label(s) is (are) attached in the same location(s) as the replaced component.

5. Mount new danger, warning and caution labels by applying on a clean dry surface and pressing any bubbles to outside edge.

DEALER SERVICE

DEALER SERVICE

Your KUBOTA dealer is always ready to help so that your excavator offers the best performance. After having carefully read these instructions, you will realize that much of the routine maintenance can be done by yourself. Your KUBOTA dealer is responsible for servicing and the delivery of spare parts. When ordering spare parts from your KUBOTA dealer, always mention the serial number of the excavator and the engine. Note these numbers right away in the supplied lines.

Model Serial No. Excavator Engine Dealer's name (To be filled in through the owner)

C Warranty policy The Product(s) described in this Operator’s Manual are designed and manufactured only for the country in which they are initially wholesaled by Kubota or one of its affiliated companies. Neither Kubota Corporation nor its affiliated companies provide warranty for any Product which is re-sold or retailed in any country other than the country for which the Product(s) were designed or manufactured. [For KCL only] This product is equipped with an electronic key (see "ANTI-THEFT DEVICE" section) as a theft-prevention measure. This device restrains a theft, but does not guarantee that the machine will not be stolen.

(1) Serial No. TECHNICAL DATA

TECHNICAL DATA

KUBOTA EXCAVATOR Model name KX080-4 Type Cabin Angle Blade Type Cabin Operating weight (including operator's weight) kg(lbs.) Rubber tracks Steel tracks (450 width) Steel tracks (600 width) Rubber tracks Steel tracks (450 width) 8290 (18280) 8340 (18390) 8470 (18670) 8680 (19140) 8730 (19250) Engine Type Water cooled 4 cycle diesel engine with 4 cylinder Model name KUBOTA V3307-CR-TE4 Total displacement cc(cu.in) 3331 (203.3) Engine power SAE gross kW(Hp) 49.7 (66.6) SAE net kW(Hp) 46.5 (62.3) Rated speed rpm 2000 Low idling speed rpm 1000 Performance Unit swing speed rpm 9.5 Travel speed Fast km/h(mph) 4.9 (3.1) Slow km/h(mph) 2.7 (1.7) Ground kPa pressure (kgf/ ) (With operator) [psi] 36.0 (0.367) [5.23] 36.9 (0.376) [5.35] 28.1 (0.287) [4.08] 37.7 (0.385) [5.47] 38.6 (0.394) [5.60] Climbing angle %(deg) *36 (20) Angle in case of crossing slope %(deg) *27 (15) Dozer Width x Height mm(in.) 2200 x 500 (86.6 x 19.7) 2200 x 510 (86.6 x 20.1) Max swing Left rad(deg) - 0.44 (25) Right rad(deg) - 0.44 (25) Boom swing angle Left rad(deg) 1.22 (70) Right rad(deg) 1.05 (60) Pressure connection for attachments Max.displacement (Theoretical) L(US gal)/ min 100 (26.4) Max. pressure Mpa (kgf/ ) [psi] 20.6 (210) [2987] Fuel tank capacity L(US gal) 115 (30.4)

A Above dimensions are based on the machine with KUBOTA original bucket and 2100 arm. A Specifications subject to change without notice. D With unloaded digging bucket. D Firm compacted soil. D Operators must exercise extra caution and follow instructions in the operator's manual. D Worse condition or heavier attachment to the above will decrease climbing angle.

DESCRIPTION OF MACHINE PARTS

DESCRIPTION OF MACHINE PARTS

DEPICTED CONTENTS (1) Arm

(2) Bucket cylinder

(3) Bucket link 2 and 3

(4) Bucket link 1

(5) Bucket

(6) Boom cylinder

(7) Dozer cylinder

(8) Dozer blade

(9) Arm cylinder

(10) Boom

(11) Working light

(12) Cabin

(13) Operator's seat

(14) Swing bracket

(15) Track

(16) Drive sprocket

(17) Front idler

(18) Angle blade

INSTRUMENT PANEL AND CONTROL ELEMENTS

B Instrument Panel, Switch

(1) LCD display (4) Starter switch

(2) Horn switch (5) Throttle potentiometer

(3) Travel speed switch (6) Light switch

(12) User setting switch (Switch 1)

(13) - (Switch 2)

(14) AUX port enable switch (Switch 3)

(15) Information switch (Switch 4)

(16) Display selector switch (Switch 5)

(7) Auto idle control switch (9) Eco mode switch

(8) Angle blade control switch (10) DPF inhibit switch *Angle blade type only (11) Beacon light switch

Ref. page Starter switch............................................................. 6 LCD display................................................................ 7 Fuel gauge Water temperature gauge Hour meter Engine tachometer Glow lamp User setting switch AUX port enable switch Information switch Display selector switch............................................... 7 Warning lamp.........................................................