Kubota KX080-4S2 Operator's Manual

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U.S.A.

: KUBOTA TRACTOR CORPORATION

1000 Kubota Drive, Grapevine, TX 76051

Telephone : 888-4KUBOTA

Canada

: KUBOTA CANADA LTD.

5900 14th 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 Arɡenteuil 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, OX9 3UN, U.K.

Telephone : (44)1844-214500

Australia

: KUBOTA AUSTRALIA PTY LTD.

25-29 Permas Way, Truɡanina, VIC 3029, Australia

Telephone : (61)-3-9394-4400

Malaysia

: KUBOTA MALAYSIA SDN. BHD.

No.3 Jalan Sepadu 25/123 Taman Perindustrian Axis,

Seksyen 25, 40400 Shah Alam, Selanɡor Darul Ehsan Malaysia

Telephone : (60)3-736-1388

Philippines : KUBOTA PHILIPPINES, INC.

232 Quirino Hiɡhway, Baesa, Quezon City 1106, Philippines

Telephone : (63)2-422-3500

Taiwan

: SHIN TAIWAN AGRICULTURAL MACHINERY CO., LTD.

16, Fenɡpinɡ 2nd Rd, Taliao Shianɡ Kaohsiunɡ 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 Khlonɡnuenɡ, Amphur Khlonɡluanɡ,

Pathumthani 12120, THAILAND

Telephone : (66)2-909-0300

Japan

: KUBOTA Corporation

Farm & Industrial Machinery International Operations Headquarters

2-47, Shikitsuhiɡashi 1-chome, Naniwa-ku, Osaka, Japan 556-8601

PRINTED IN JAPAN

English(U.S.A.)

Code No. RD848-8121-1

KUBOTA Corporation 2019

OPERATOR'S MANUAL

KUBOTA

EXCAVATOR

MODEL

1BAAABTAP0230

READ AND SAVE THIS MANUAL

080-4S2

Table of Contents

Summary of Contents for Kubota KX080-4S2

Page 1 Telephone : (61)-3-9394-4400 Malaysia : KUBOTA MALAYSIA SDN. BHD. No.3 Jalan Sepadu 25/123 Taman Perindustrian Axis, Seksyen 25, 40400 Shah Alam, Selanɡor Darul Ehsan Malaysia Telephone : (60)3-736-1388 Philippines : KUBOTA PHILIPPINES, INC. 232 Quirino Hiɡhway, Baesa, Quezon City 1106, Philippines Telephone : (63)2-422-3500 Taiwan : SHIN TAIWAN AGRICULTURAL MACHINERY CO., LTD. 16, Fenɡpinɡ 2nd Rd, Taliao Shianɡ Kaohsiunɡ 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 Khlonɡnuenɡ, Amphur Khlonɡluanɡ, Pathumthani 12120, THAILAND Telephone : (66)2-909-0300 Japan : KUBOTA Corporation Farm & Industrial Machinery International Operations Headquarters 2-47, Shikitsuhiɡashi 1-chome, Naniwa-ku, Osaka, Japan 556-8601 English(U.S.A.) 1BAAABTAP0230 Code No. RD848-8121-1 READ AND SAVE THIS MANUAL PRINTED IN JAPAN © KUBOTA Corporation 2019...
Page 2 State of California to cause cancer and birth defects or other reproductive harm. Canadian Electromagnetic Compatibility (EMC): This machine complies with Industry Canada ICES-002. KX080-4S2 English(U.S.A.) AX. K. 2-2. 3. K...
Page 3 GENERAL SYMBOLS The instruments and operation elements have been marked with a series of symbols in order to simplify the operation of your excavator. These symbols are listed below with the respective descriptions. Safety alert Symbol Boom swing (Left) Boom swing (Right) Warning lamp "Fuel level too low"...
Page 4 FOREWORD You are now the proud owner of a KUBOTA Excavator. This excavator is a product of KUBOTA quality engineering and manufacturing. It is made of fine materials and under a rigid quality control system. It will give you long, satisfactory service. To obtain the best use of your excavator, please read this manual carefully.
Page 5: Table Of Contents
CONTENTS SAFE OPERATION ..................... -1 DEALER SERVICE...................... 1 TECHNICAL DATA...................... 3 DESCRIPTION OF MACHINE PARTS................ 4 INSTRUMENT PANEL AND CONTROL ELEMENTS..........5 CHECKS BEFORE START ..................7 DAILY CHECKS....................... 7 CHECKING THE DEVICES ..................7 Starter Switch ........................7 Display Selector Switch ....................8 LCD Display for Normal Operation ...................
Page 6 CONTENTS STARTING THE ENGINE UNDER COLD CONDITIONS........28 STARTING WITH AN AUXILIARY BATTERY ............28 Observe Following Guidelines when Starting with an Auxiliary Battery......28 CHECK POINTS AFTER STARTING THE ENGINE ..........29 STOPPING THE ENGINE..................30 Engine Stop Button......................30 Precautions in case of Overheat..................
Page 7 CONTENTS MAINTENANCE INTERVALS ................60 OPENING AND CLOSING OF COVERS............... 65 Opening/Closing of the Fuel Tank Cover................ 65 Opening/Closing of the Engine Hood ................65 Opening/Closing of the Side Cover ................65 Where to store the Tool ....................66 Cup Holder........................66 Where to store the Grease Gun..................
Page 8 CONTENTS Replacing Fuel Filter Cartridge ..................82 Replacing Hydraulic Return Filter Cartridge(first replacement after 250 service hours). 82 Replacing Water Separator Filter Element ..............83 EVERY 1000 SERVICE HOURS ................84 Replacing the Hydraulic Pilot Filter Element..............84 Hydraulic Oil Change (Including Replacing of the Suction Filter in the Hydraulic Tank) 84 Hydraulic Oil Check with Hydraulic Hammers ..............
Page 9 CONTENTS FUSES ........................94 Replacing Fuses ......................94 Fuse Capacities and Circuits ..................94 Auxiliary Electric ......................95 Slow Blow Fuse ......................95 Electric Fuse ........................95 TROUBLESHOOTING....................96 OPERATION UNDER COLD WEATHER CONDITIONS .......... 98 PREPARATION FOR OPERATION IN COLD WEATHER ........98 PROCEDURE AFTER COMPLETING WORK ............
Page 11 3. For your safety, a ROPS/OPG (Top Guard Level I) operating the unit slowly and at low engine speed. with a seat belt is installed by KUBOTA. A ROPS: Roll-Over Protective Structure A OPG (Top Guard Level I): Operator Protective...
Page 12 20. Install protective guards on the excavator when working in areas where objects may fall or be thrown. The top guard and front guard are available for this machine. Consult your KUBOTA dealer for details.
Page 13 SAFE OPERATION C Working OPERATING THE EXCAVATOR 1. Do not operate or idle engine in a non-ventilated area. Carbon monoxide gas is colorless, odorless, and Operator safety is a priority. Safe operation, specifically deadly. If you experience the initial symptoms of low to with respect to overturning hazards, entails understanding moderate co poisoning, which include the following, the equipment and environmental conditions at the time of...
Page 14 SAFE OPERATION 8. When towing the excavator or pulling a load, the load 7. Use extra caution when backing up. Look behind and must be less than the strength of the towing line down to make sure the area clear before moving. attached to excavator.
Page 15 SAFE OPERATION 9. Store food, drink and personal belongings away from the work area. SAFE LOADING AND TRANSPORT OF 10. Wash hands and face before eating, drinking, THE EXCAVATOR smoking, or applying cosmetics after leaving the exposure area. 1. Observe all regulations concerning the transport of excavators on public roads.
Page 16 SAFE OPERATION 9. Oil under high pressure can penetrate the skin and may be harmful to your health if not treated MAINTENANCE immediately. 10. Leaking hydraulic fluid has enough pressure to Before doing maintenance work on the excavator, place penetrate the skin and cause serious injuries. the machine on a firm, flat and level surface, lower the Leakages from pin holes can be totally invisible.
Page 17 Replace them immediately if they begin 18. Inspect ROPS / OPG (Top Guard Level I) for damage to leak. and if damage is found contact your KUBOTA dealer A Examine electrical wiring and connectors frequently for repair. for damage. Repair any wires that are loose or frayed 19.
Page 18 SAFE OPERATION...
Page 19 SAFE OPERATION...
Page 20 SAFE OPERATION...
Page 21 SAFE OPERATION...
Page 22 SAFE OPERATION...
Page 23 SAFE OPERATION...
Page 24 2. Clean danger, warning and caution labels with soap and water, and 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.
Page 25: Safe Operation
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.
Page 26 DEALER SERVICE (1) Engine serial No.
Page 27: Technical Data
[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.
Page 28: Description Of Machine Parts
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...
Page 29: Instrument Panel And Control Elements
INSTRUMENT PANEL AND CONTROL ELEMENTS INSTRUMENT PANEL AND CONTROL ELEMENTS B Instrument Panel, Switch (1) LCD display (4) Starter switch (7) Auto idle control switch (9) DPF inhibit switch (2) Horn switch (5) Throttle potentiometer (8) Angle blade control switch (10) Beacon light switch (3) Travel speed switch (6) Light switch...
Page 30 INSTRUMENT PANEL AND CONTROL ELEMENTS B Control Pedals and Levers (1) Drive lever (left) (3) Boom swing pedal (5) Attachment control lever (right) (7) Drive pedal (left) (2) Attachment control lever (left) (4) Drive lever (right) (6) Dozer control lever (8) Drive pedal (right) Ref.
Page 31: Checks Before Start
Check the condition of the safety and warning labels. (See "DANGER, WARNING AND CAUTION LABELS" in "SAFE OPERATION" section.) Inspect ROPS / OPG (Top Guard Level I) for damage and if damage is found, contact your KUBOTA dealer for repair. (1) Starter switch (A) STOP...
Page 32: Display Selector Switch
CHECKS BEFORE START BDisplay Selector Switch BLCD Display for Normal Operation C Fuel gauge Press the display selector switch while the engine is running. The LCD meter display will change from one indication mode to the other. Change the two-mode display according to your jobs. To avoid personal injury or death: A Before adding fuel, be sure to stop the engine.
Page 33 CHECKS BEFORE START C Coolant Temperature Gauge C Overheat warning 1. If the coolant temperature becomes too high, the message "Water temp. is Rising" appears onscreen for a certain period of time. The LCD then gets back to normal, but the coolant temperature sensor marker To avoid personal injury or death: "...
Page 34: Warning Lamp
WORK" section) A If any warnings and problems are displayed, an alarm buzzer will beep. (See "LIST OF SCREENS" section for detail.) A See your KUBOTA dealer from details concerning care and maintenance. (1) Engine tachometer C Glow indicator The indicator is displayed when the starter key is turned to the "RUN"...
Page 35: Lcd Display For Warning
CHECKS BEFORE START C Engine oil pressure low warning BLCD Display for Warning When the engine oil pressure drops too low, the lamp C Remaining fuel warning (red) starts flashing and the following message appears in the display. When the fuel level is very low, the lamp (yellow) starts Immediately stop the engine and check the engine oil flashing and the following message appears in the...
Page 36: Setting The Clock
CHECKS BEFORE START Information User settings A If you have any question, consult your KUBOTA Dealer. BSetting the Clock 1. Turn the starter key to the "RUN" position. (1) Information switch A " mark" may appear together with a warning message.
Page 37 CHECKS BEFORE START 3. Press the switch 2 twice to move the cursor into 4. Save the new setting with the switch (Switch 5). position. Then press the save switch 5 to make the Press this switch 5 again to set the clock. following screen appear.
Page 38: Reordering The Year/Month/Day And Changing The Am/Pm System To The 24-Hour One
CHECKS BEFORE START 3. Press the switch 5 and the following detailed screen shows up. (1) Switch 5 (1) Switch 2 and 3 (A) Year/month/day display BReordering the year/month/day and (2) Switch 4 (B) Clock display (3) Switch 5 Changing the AM/PM System to the 24- hour One (1) Using the switch 2 and 3, move up and down the 1.
Page 39: Periodic Check
CHECKS BEFORE START 3. Press the switch 2 and 3 to select the log record. Fix this choice with the switch (Switch 5). BPeriodic Check The following message appears on the LCD 10 hours before a periodic check. Press the switch 4 to see the check results. (1) Switch 1 (4) Switch 2 and 3 (2) Switch 5...
Page 40: If All The Check Points Are Not Displayed At A Glance On A Single Screen
CHECKS BEFORE START BIf All the Check Points are not Displayed at a Glance on a Single Screen 1. Press the switch 4. 2. Each time the switch 2 or 3 is pressed, the check points scrolled up or down. (1) Switch 4 (3) Switch 3 (2) Switch 2...
Page 41 CHECKS BEFORE START C Service hour meter When the hour meter reaches the hours circled in the maintenance list below, a message appears. The message shows up as follows. Hour meter indicator Check points Measures Intervals sched- 50 100 250 500 600 750 1000 2000 uled or 6000 Engine oil...
Page 42: When The Check-Up Is Completed
CHECKS BEFORE START BWhen the Check-up is Completed BLight Switch When the check-up is completed, perform the following procedure to make the Periodic Check disappear from the When the starter switch is in position "RUN", the working screen. light(s) and CAB light(s) will be switched on by pressing 1.
Page 43: Auto Idle Control Switch
CHECKS BEFORE START BAuto Idle Control Switch BTravel Speed Switch The switch is used to enable and disable the auto idle Travel speed will increase when this switch is pushed control. down. Switching the dual travel speed: A Enable: Press the auto idle control switch. When 1.
Page 44: Inhibit Diesel Particulate Filter (Dpf) Regeneration Switch
CHECKS BEFORE START A The travel speed automatically changes into first BInhibit Diesel Particulate Filter (DPF) speed (low speed) when the drive resistance Regeneration Switch increases while traveling second speed (high speed). Inhibit Diesel Particulate Filter (DPF) regeneration switch Thereafter, when the resistance decreases, it returns (hereinafter called inhibit switch) disables the Auto DPF to second speed.
Page 45: Cab Type Machines
CHECKS BEFORE START CAB TYPE MACHINES BHeater Switch BWiper/Washer Switch Turn the starter switch to the "RUN" position and turn the To engage the wiper, turn on the switch for the wiper when heater switch clockwise, the heater fan will be activated the starter key is in the "RUN"...
Page 46: Opening/Closing Of Cab Door
CHECKS BEFORE START BOpening/Closing of CAB Door BOpening/Closing of Front CAB Window 1. Unlock the CAB door and pull the knob. Open the CAB door fully until fixed into place. 2. To close the CAB door, push the release lever down To avoid personal injury or death: and close the door.
Page 47: Opening/Closing Of Side Cab Window
CHECKS BEFORE START AIR CONDITIONER BOpening/Closing of Side CAB Window BAir Flow 1. Pull the grip to release the lock and pull side window Air in the CAB and fresh air introduced into the CAB flow open to the rear or to the front. as shown in the figure.
Page 48: Air Control Vent
CHECKS BEFORE START BControl Panel (C) "FRESH AIR INLET" (1) Air conditioner switch (3) Temperature control dial (2) Indicator light (4) Blower switch A Do not allow water to enter the fresh air port while washing the excavator. C Air Conditioner Switch and Indicator Light Push this switch to activate the air conditioner.
Page 49: Handling The Safety Devices
CHECKS BEFORE START C Defrosting or demisting To defrost or demist the windshield, take the following steps. 1. Open the front air outlet and direct it to the windshield. 2. Set the blower switch and the temperature control dial "3" "WARM"...
Page 50: Operation Of The Engine
OPERATION OF THE ENGINE OPERATION OF THE ENGINE Start the engine in the following manner: 1. Before starting the engine, make sure that all control levers are in the neutral positions. To avoid personal injury or death: A Read "SAFE OPERATION" at the beginning of this operator's manual.
Page 51 OPERATION OF THE ENGINE 4. Set the starter key to the "RUN" position. Hold the key A If you keep the pilot control lock lever at "UNLOCK" at this position until the " " mark on the display panel and try to start the engine, "Up Lever Lock" appears disappears.
Page 52: Starting The Engine Under Cold Conditions
OPERATION OF THE ENGINE STARTING THE ENGINE UNDER COLD STARTING WITH AN AUXILIARY BATTERY CONDITIONS To avoid personal injury or death: A Battery gases can explode. To avoid personal injury or death: Do not smoke and keep sparks and flames A Make sure that the pilot control lock lever is in away.
Page 53: Check Points After Starting The Engine
A Using a higher voltage will cause serious damage to A In these cases, the excavator must be checked and the electrical system. When using an auxiliary battery, only the compatible (same) voltage is permissible. serviced by your local the KUBOTA dealer.
Page 54: Stopping The Engine
OPERATION OF THE ENGINE BPrecautions in case of Overheat STOPPING THE ENGINE To avoid personal injury or death: To avoid personal injury or death: A Do not open the radiator cap during operation A Do not keep the bucket or dozer in an elevated or just after shut-down.
Page 55: Excavator Operation
EXCAVATOR OPERATION EXCAVATOR OPERATION RUNNING-IN OF THE NEW EXCAVATOR BAdjusting the Operator's Seat The operation and care of the new excavator influences its life span. Your new excavator has been carefully checked and tested before leaving the factory. In spite of this, all movable components must run-in during the first To avoid personal injury or death: A Make sure that the seat is completely secured...
Page 56: Seat Belt
EXCAVATOR OPERATION STARTING BSeat Belt To avoid personal injury or death: A No persons, other than those who have read To avoid personal injury or death: A Always use the seat belt with a ROPS/OPG (Top and understand this manual and who are Guard Level I) protection structure.
Page 57: Driving
EXCAVATOR OPERATION A Recommended technique for working on a DRIVING slope. To avoid personal injury or death: A Before starting the engine, make sure that no one is near the excavator. A Before operating the excavator, check the track direction. (Front idler and dozer blade to the front of the excavator).
Page 58: Drive Levers (Right,Left)
EXCAVATOR OPERATION 3. Activate the dozer control lever to raise the dozer. TURNS To avoid personal injury or death: A Do not change direction on steep slopes, or the excavator could tip over. A Before changing direction, beware of people in the work area.
Page 59: Spin Turn
EXCAVATOR OPERATION 2. While travelling backward, bring the left drive lever into 2. Pull the left drive lever backward; the neutral position; the excavator will turn in the direction of the arrow of the excavator will turn in the direction of the arrow of the illustration below.
Page 60: Up And Downhill Driving
While traveling uphill, keep the lower edge of the bucket approx. 20 to 40 cm (8 to 16 in.) above the ground. Although the KUBOTA excavator will not slip easily because of the tracks, it is safer to let the bucket slide over the ground while traveling downhill.
Page 61: Two Pattern Selection System (Tpss)
EXCAVATOR OPERATION TWO PATTERN SELECTION SYSTEM (TPSS) To avoid personal injury or death: A Study control lever pattern A and pattern B. Then choose the one which is most familiar. A Familiarize yourself with the pattern selected by operating slowly. BPattern Change 1.
Page 62: Operation Of The Boom
EXCAVATOR OPERATION OPERATION OF THE BOOM OPERATION OF THE ARM To raise the boom, pull the attachment control lever back. Pull back the attachment control lever and the arm will be The boom is equipped with a cushion cylinder which helps pulled in.
Page 63: Operation Of The Bucket
EXCAVATOR OPERATION OPERATION OF THE BUCKET BUnit Swing Operation To dig using the bucket, move the right attachment control 1. Move the control lever to the left and the upper lever from the neutral position, left. Moving the control structure will turn to the left. lever right, moves the bucket outwards and empties its 2.
Page 64: Auxiliary Port Operation
EXCAVATOR OPERATION AUXILIARY PORT OPERATION The auxiliary port enable switch is used to operate hydraulic attachment such as hammers. BSelecting the Action Modes The AUX port has been factory-set to three action modes. You can select one of them. Up to five action modes can be preset.
Page 65: Aux Port Handling Procedure
EXCAVATOR OPERATION C Checking the settings of each action mode When an action mode is selected and the " " mark BAUX Port Handling Procedure appears at the lower right of the icon, the flow volume 1. Turn the starter key to the "RUN" position. setting gets displayed by pressing the switch 4.
Page 66 EXCAVATOR OPERATION 3. Push the AUX port enable switch (switch 3). 4. [AUX 1 and 2 modes] If the machine is equipped with the AUX 1 port, move the AUX port knob of the left attachment control lever to the right to send oil to the AUX port 1. Move the AUX port knob of the left attachment control lever to the left to send oil to the AUX port 2.
Page 67: Setting The Maximum Flow Volume
EXCAVATOR OPERATION C One way hold [AUX 1 and 2 modes] BSetting the Maximum Flow Volume Press the one way hold switch of the left attachment The AUX port has been factory-set to three action modes control lever, and the oil continues to flow through the 1, 2 and 3.
Page 68 EXCAVATOR OPERATION 3. Each time the switch 5 is pressed, the mode number 5. Each time the switch 2 or 3 is pressed, the icon changes. Select your desired setting mode number. changes. Select your desired icons. (1) Icon (1) Switch 2 (2) Mode No.
Page 69 EXCAVATOR OPERATION 6. Set the maximum flow volume for each AUX port. A There is no relationship between the icons and the Press the switch 4 to move the setting cursor (arrow flow control settings. Select icons to suit the images of mark) to the port 2 position of Thumb port at the right.
Page 70 EXCAVATOR OPERATION 7. Press the switch 2 or 3 to preset the maximum flow 8. Go back to Step 3 to make settings for the next action volume. mode. When all the settings of all the action modes Set the bar to the highest level, and the flow volume have been made, press the switch 1 to return to the will be maximized.
Page 71 EXCAVATOR OPERATION...
Page 72: How To Resume The Aux Setting While Processing The Dpf Regeneration
EXCAVATOR OPERATION BHow to Resume the AUX Setting While HOW TO RELEASE PRESSURE TRAPPED Processing the DPF Regeneration IN THE HYDRAULIC SYSTEM When the automatic regeneration process of DPF gets started with the AUX port in use, the warning (A) is displayed on the LCD.
Page 73: Angle Blade Operation
EXCAVATOR OPERATION 3. Press the switch 4 to make sure that the flow volume ANGLE BLADE OPERATION in all the AUX ports is not minimized. If the pressure is removed after minimizing the flow volume in the AUX port, release pressure is not To avoid personal injury or death: removed completely and the hose coupler may be A Never jack up or lift the machine with the angle...
Page 74: 1-Way Or 2-Way Circuit Selection Valve Operation
EXCAVATOR OPERATION 1-way or 2-way CIRCUIT SELECTION VALVE OPERATION A selection valve which selects 1-way or 2-way circuit of service port has been installed on the hydraulic tank. 1. When equipment which needs a 1-way circuit will be used, position the arrow, by using the supplied lever, on the axis of the selection valve to the 1-way circuit position, to reduce the back pressure.
Page 75: Boom Lowering Valve
EXCAVATOR OPERATION BOOM LOWERING VALVE AUTO IDLE (AI) OPERATION Use this valve if the engine fails to get started and the 1. Throttle potentiometer With this potentiometer the operator can adjust the accumulator fails to operate and there is an urgent need engine speed when the auto idle control is activated.
Page 76: Anti-Theft Device (For Canada Only, If Equipped)
EXCAVATOR OPERATION C The machine comes with two different types of ANTI-THEFT DEVICE (for Canada only, if keys. equipped) This key is used to start the BAnti-Theft Device engine. It is possible to start the engine as before by inserting the If the machine is equipped with an anti-theft device, it key and turning it to the [START] allows you to start the engine with the registered key...
Page 77 EXCAVATOR OPERATION 1. Insert the red key into the key switch. 4. Insert the black key into the key switch. (*Do not turn the inserted key. If the key is turned to the (* Do not turn the inserted key. If the key is turned to "RUN"...
Page 78 If by any chance it gets lost, promptly contact your dealer or a Kubota-designated service factory. A Use the Kubota-specified key ring to hold the black key or the red key. Any unspecified key rings may interfere A If you try to register the fifth black key, "STOP with the signal transfer between the key and the key Register"...
Page 79: Important Information On Excavator Operation
EXCAVATOR OPERATION IMPORTANT INFORMATION ON EXCAVATOR OPERATION A Do not try to crush concrete or boulders using side swings with the bucket. Also avoid using side sweeps of the bucket to move earth piles. A Under circumstances avoid following operations: A Excavation using the gravitational impact of the machine.
Page 80: Transporting The Excavator On A Vehicle
TRANSPORTING THE EXCAVATOR ON A VEHICLE TRANSPORTING THE EXCAVATOR ON A VEHICLE B Transporting on a Truck To avoid serious injury or death: A No directional changes should be made when the excavator is on the ramp. Should a change To avoid personal injury or death: of direction be necessary, drive off the ramp A After loading the machine on the truck, lower...
Page 81 TRANSPORTING THE EXCAVATOR ON A VEHICLE 3. For additional safety, use blocks or supports under the ramps and the bed. (1) Chain (2) Block B Towing the machine 4. Completely align the ramps and the tracks and then drive the excavator slowly up the ramps. After ensuring that the tracks are completely on the bed, swing the upper body around to the back of the To avoid personal injury or death:...
Page 82: Lifting Of The Excavator
LIFTING OF THE EXCAVATOR LIFTING OF THE EXCAVATOR C General guidelines for lifting 1. Lifting position. (see illustration below) To avoid serious injury or death: (1) Pull in the boom completely towards rear. A The correct instructions for safe handling are (2) Pull in the arm completely.
Page 83 LIFTING OF THE EXCAVATOR 3. Tackle The weights of the excavators and the recommended tackle for lifting these loads are mentioned in the following table. Choose components having enough strength. Excavator Weight* 8875 kg (19566 lbs) Load / Cable 32.7 kN (7351 lbf) Minimum Wire Diameter 22.4 mm (0.88 in.) or more (Safety factor=6)
Page 84: Maintenance
MAINTENANCE MAINTENANCE MAINTENANCE INTERVALS Hour meter indicator Ref. Check points Measures Intervals page check Daily check Coolant change every 2 years Fuel check Daily check check Daily check Engine oil change every 500 hrs check Daily check Hydraulic oil change every 1000 hrs Bucket and bucket link pin / Dozer...
Page 85 MAINTENANCE Hour meter indicator Ref. Check points Measures Intervals page 1000 check Daily check Coolant change every 2 years Fuel check Daily check check Daily check Engine oil change every 500 hrs check Daily check Hydraulic oil change every 1000 hrs Bucket and bucket link pin / Dozer Daily check...
Page 86 MAINTENANCE Hour meter indicator Ref. Check points Measures Intervals page Front idler and track roller oil change every 2000 hrs Alternator and starter motor check every 2000 hrs EGR system check every 3000 hrs Turbo charger check every 3000 hrs Boost sensor and AFS check every 1 year...
Page 87 MAINTENANCE Hour meter indicator Ref. Check points Measures Intervals page 1000 Front idler and track roller oil change every 2000 hrs Alternator and starter motor check every 2000 hrs EGR system check every 3000 hrs Turbo charger check every 3000 hrs Boost sensor and AFS check every 1 year...
Page 88 *4 Consult your local KUBOTA Dealer for this service. A The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S.EPA non-road emission regulation. As the engine owner, you are responsible for the performance of the required maintenance on the engine according to the above instruction.
Page 89: Opening And Closing Of Covers
MAINTENANCE OPENING AND CLOSING OF COVERS Insert the key into the key slot and turn it clockwise to unlock it. And pull the catch to open the hood. BOpening/Closing of the Fuel Tank Cover To close the hood, push down it until it locks Insert the key into the key slot and turn it clockwise to automatically.
Page 90: Where To Store The Tool
MAINTENANCE BWhere to store the Tool BWhere to store the Grease Gun 1. Open the front cover. 1. Open the side cover. 2. Store the tools in the storage box. 2. Store grease gun. (1) Box for storage (1) Grease gun storage Take note storage direction of greased gun in above BCup Holder illustration.
Page 91: Utility Box
MAINTENANCE DAILY CHECKS BUtility Box 1. Open the rear cover. To avoid personal injury or death: A When operating, keep hands and body inside of the ROPS / OPG (Top Guard Level I) protective envelope. A Do not touch the control levers and the pedals from outside the cab while the engine is running.
Page 92: Checking Fuel Level
MAINTENANCE 3. If necessary, open the cap and fill in fuel. (See "LCD for Normal Operation" in "CHECK BEFORE START" A Do not fill the recovery tank over the "FULL" marking. section.) A Do not fill with dirty or salty water. Fuel tank capacity 115 L (30.4 US gal.) BChecking Fuel Level...
Page 93: Checking Hydraulic Oil Level
MAINTENANCE BChecking Hydraulic Oil Level To avoid personal injury or death: A Stop the engine and remove the key before checking the oil level. A Before filling oil, wipe away all sand and dust from around the oil port. Make sure to use an identical type of hydraulic fluid.
Page 94: Checking Radiator And Oil Cooler
MAINTENANCE BChecking Washer Liquid BChecking Radiator and Oil Cooler If the windows washer is switched on with the washer liquid tank empty, the motor may be damaged. Always keep the tank filled. To avoid personal injury or death: A Always stop the engine and remove the key before checking the radiator.
Page 95: Greasing Bucket Pin And Bucket Link Pin/ Angle Pin And Angle Cylinder Boss
MAINTENANCE BGreasing Bucket Pin and Bucket Link Pin/ BCleaning Evacuator Valve Angle Pin and Angle Cylinder Boss Open the evacuator valve to get rid of large particles of dust and dirt. To avoid personal injury or death: A First lower all attachments on the ground then stop the engine and remove the key.
Page 96: Regular Checks And Maintenance Work
REGULAR CHECKS AND MAINTENANCE WORK REGULAR CHECKS AND MAINTENANCE WORK BDraining Water Separator [Checking and Draining] To avoid personal injury or death: A When operating, keep hands and body inside Water and dirt contained in fuel will settle down in the of the ROPS/OPG (Top Guard Level I) water separator.
Page 97: Battery
REGULAR CHECKS AND MAINTENANCE WORK BBattery To avoid the possibility of a battery explosion: For refillable type battery, follow the instructions below. A Do not use or charge the refillable type battery if the fluid level is below the LOWER (lower limit level) mark.
Page 98: Battery Charging
REGULAR CHECKS AND MAINTENANCE WORK BBattery Charging BGreasing Swing Bearing Teeth 1. Pump grease with the grease gun through the grease fitting. 2. Grease at each 90 (1.58 rad.) position of the swing To avoid personal injury or death : frame.
Page 99: Every 200 Service Hours
REGULAR CHECKS AND MAINTENANCE WORK EVERY 200 SERVICE HOURS 2. To adjust the V-belt, take the following steps. Do all 50 and 100 hour servicing at the same time. C Checking and adjustment of the alternator belt tension BAdjusting V-belt Tension 1.
Page 100: Checking Radiator Hoses And Clamps
REGULAR CHECKS AND MAINTENANCE WORK C Checking and adjustment of the fan belt tension 1. Press the fan belt down in the middle, with a force of BChecking Radiator Hoses and Clamps approx. 7 kgf (15.4 lbs). The belt tension is correct if it deflects about 12 to 15 mm (0.47 to 0.59 in.).
Page 101: Inspection And Cleaning Air Filter Element
REGULAR CHECKS AND MAINTENANCE WORK 3. Grease at each 90 (1.58 rad.) position of the pitch bearing. Using the grease gun , apply 5 shots at every BAir Filter Maintenance position. Refer to the "RECOMMENDED OILS" section. To avoid personal injury or death: A Wear eye protection.
Page 102: Checking Fuel Line And Intake Air Line
REGULAR CHECKS AND MAINTENANCE WORK AIR CONDITIONER BChecking Fuel Line and Intake Air Line BCleaning Air Filter 1. Check to see that all lines and hose clamps are Open the cover under the operator’s seat and remove the tightened and not damaged. filter cover, remove the air filter.
Page 103: Checking Air-Conditioner Condenser
REGULAR CHECKS AND MAINTENANCE WORK EVERY 250 SERVICE HOURS Do all 50 hour servicing at the same time. BGreasing Front Attachments (without Bucket Pin and Boom Swing Fulcrum) To avoid personal injury or death: A First lower all attachments on the ground then stop the engine and remove the key.
Page 104: Every 500 Service Hours
REGULAR CHECKS AND MAINTENANCE WORK (1) Dozer cylinder boss (1) Drain plug (2) Dozer linkage boss 3. Fill up with new oil through the filling port to the specified level. (1) Dozer cylinder boss (1) Oil filling port (A) Required oil level range (2) Dozer linkage boss (2) Engine oil dipstick EVERY 500 SERVICE HOURS...
Page 105: 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)
REGULAR CHECKS AND MAINTENANCE WORK BReplacing Engine Oil Filter Cartridge BDrive unit Oil Change(First Oil Change of (Replace the engine oil filter cartridge every 500 hours,or every 1 year in the the 50 hours) case that service hour is less than 500 hours) 1.
Page 106 REGULAR CHECKS AND MAINTENANCE WORK BReplacing Fuel Filter Cartridge To avoid personal injury or death: A Keep fire away. 1. Remove the filter cartridge with the filter wrench. 2. Apply a light film of fuel to the seal of the new filter cartridge and turn in tightly by hand.
Page 107 REGULAR CHECKS AND MAINTENANCE WORK A Be sure to purge the fuel system before getting the BReplacing Water Separator Filter Element machine restarted. (See "PURGING OF THE FUEL SYSTEM" in 1. Remove the connector of water level sensor. "OTHER CHECKS REPLACEMENTS"...
Page 108 REGULAR CHECKS AND MAINTENANCE WORK EVERY 1000 SERVICE HOURS Do all 50, 100, 200, 250 and 500 hour servicing at the same time. BReplacing the Hydraulic Pilot Filter Element To avoid personal injury or death: A Before replacing the element, wait long enough for the hydraulic fluid to cool down.
Page 109 REGULAR CHECKS AND MAINTENANCE WORK 5. Remove and exchange the suction filter. 6. Retighten the drain plug. 9. Fill oil again up to the center of the gauge. Hydraulic 75 L (19.8 US gal.) tank Hydraulic oil volumes Whole oil 146 L (38.6 US gal.) volumes 10.
Page 110 1000 excavator (250 Hrs. after first Hrs. BChecking Injector Tip work operation) Consult your local KUBOTA dealer for this service. 20% every 800 Hrs. every 200 Hrs. Hammer 40% every 400 Hrs. work BReplacing Oil Separator Element 60% every 300 Hrs.
Page 111 REGULAR CHECKS AND MAINTENANCE WORK BChecking EGR Cooler ANNUAL SERVICING Consult your local KUBOTA Dealer for this service. BElectrical Wiring and Fuses EVERY 2000 SERVICE HOURS Check the terminals periodically for proper connections. Loose wiring or damaged cables can cause improper Do all 50, 100, 200, 250, 500 and 1000 hour servicing at functioning or short circuiting of the electrical system.
Page 112 A Do not pour waste onto the grounds, down a replace or repair them at once. (Consult your local drain, or into any water source. KUBOTA dealer for this service.) A Also, observe the relevant environmental protection regulations when disposing of anti- freeze.
Page 113 REGULAR CHECKS AND MAINTENANCE WORK A To fill the radiator system and the recovery tank, use fresh water and anti-freeze fluid. A When the anti-freeze is mixed with water, the anti- freeze mixing ratio must be less than 50%. A Tighten the radiator cap properly. If the cap is loosely or not properly fitted, overheating of the engine can result due to coolant fluid loss.
Page 114 BReplacement of Oil Separator Rubber A Engine speed: About 1500 rpm Hose A Temperature control lever: Maximum cooling Consult your local KUBOTA Dealer for this service. position (rightmost) A Fan switch: Highest blow (3) BReplacement of Diesel Particulate Filter A Air-conditioner switch:...
Page 115 The above cleanup intervals depend on the machine’s operating conditions and other factors. Ask your local KUBOTA Dealer to clean up the filter every 6000 operating hours. A To clean up the DPF, a specific machine is required. Do not attempt to clean it in any other way, such as...
Page 116 OTHER ADJUSTMENTS AND REPLACEMENTS OTHER ADJUSTMENTS AND REPLACEMENTS PURGING OF THE FUEL SYSTEM After adjustment is completed: Using the socket wrench, tighten the grease fitting. 1. Fill up the fuel tank with fuel. Tightening torque must be between 98 to 108 N-m (72.3 2.
Page 117 OTHER ADJUSTMENTS AND REPLACEMENTS To avoid serious injury or death: A Do not work under the machine in this condition. A For your safety do not rely on hydraulically supported devices, they may leak down and suddenly drop or be accidentally lowered. To avoid personal injury or death: A When lifting the machine itself with an attachment, place a safety block or safety post...
Page 118: Fuses
A Read the manual of the attachment to do a correct operation safely when other attachments are installed instead of KUBOTA specified bucket. FUSES To avoid personal injury or death: A When changing fuse, stop the engine and turn the key in position "STOP". Keep the pilot control lock lever in the "LOCKED"...
Page 119: Auxiliary Electric
3. Open the slow blow fuse case cap and cover then If you need another auxiliary electric, contact your remove the bolts and draw out the slow blow fuse (A) KUBOTA dealer for details. and (B). (1) Auxiliary Electric (1) Slow blow fuse case cap...
Page 120: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING If the excavator does not show the desired performance, or when trouble arises, refer to the table below and undertake appropriate measures. Trouble Cause Countermeasure Pilot control lock lever in * Bring pilot control lock lever into "LOCKED" position. "UNLOCK"...
Page 121 TROUBLESHOOTING Trouble Cause Countermeasure Cylinder head gasket is * Replace. damaged (Coolant loss). Water Engine oil level too low * Fill to prescribed level. temperature Engine in red zone Maladjustment of fuel * Readjust ignition timing. (Overheating) injection Use of poor fuel * Use prescribed fuel.
Page 122: Operation Under Cold Weather Conditions
OPERATION UNDER COLD WEATHER CONDITIONS OPERATION UNDER COLD WEATHER CONDITIONS PREPARATION FOR OPERATION IN COLD PROCEDURE AFTER COMPLETING WEATHER WORK 1. Replace engine oil and hydraulic oil with those of Clean the excavator thoroughly after work and wipe dry. viscosities suitable for cold weather. Otherwise mud and earth on the tracks could freeze if the 2.
Page 123: Long Storage
LONG STORAGE LONG STORAGE To avoid personal injury or death: A Do not clean the excavator with the engine running. A To avoid the danger of exhaust fume poisoning, do not operate the engine in a closed building without proper ventilation. A When storing, remove the key from the starter switch to avoid unauthorized persons from operating the excavator and getting injured.
Page 124 Hydraulic hose (Angle cylinder) DPF differential pressure sensor rubber piping (Front and Back) Suction pipe downstream the AFS (Air Flow Sensor) Boost sensor pressure rubber piping To prevent serious damage to the hydraulic system, use only a KUBOTA genuine hydraulic hose.
Page 125: Recommended Oils
SAE 90 HD75W-90 HD 80W-90 In winter or by low Shell Tellus S2M32 or ISO 32 Mobil DTE 13M KUBOTA ALL SEASON HYDRAULIC temperatures Shell Tellus S2MX32 Hydraulic oil EXCAVATOR OIL In summer or by high Shell Tellus S2M46 or...
Page 126 102 RECOMMENDED OILS C Engine Oil: A Oil used in the engine should have an American Petroleum Institute (API) service classification and Proper SAE Engine Oil according to the ambient temperatures. Above 25 SAE 30 or SAE 10W-30, SAE 15W-40 to 25 to 77 SAE 20 or SAE 10W-30, SAE 15W-40...
Page 127: Biodiesel Fuel (Bdf)
Consequently, fuel filter performance may be reduced, particularly during cold weather conditions. 8. The KUBOTA Warranty, as specified in the Owner's Warranty Information Guide, only covers defects in product materials and workmanship. Accordingly, any problems that may arise due to the use of poor quality fuels that fail to meet the above requirements, whether biodiesel or mineral oil based, are not covered by the KUBOTA Warranty.
Page 128 Fuel line Replace every 1 year Consult your local KUBOTA Dealer for this service. C Long Term Storage: 1. BDF easily deteriorates due to oxygen, water, heat and foreign substances. Do not store B6 through B20 longer than 1 month and B5 longer than 3 months.
Page 129: Appendices
KX080-4S2 (19.7) (19.7) (100.0) (86.6) (282.3) (57.5) (253.9) (84.6) (98.0) A Above dimensions are based on the machine with KUBOTA original bucket. A Above dimensions are based on the machine with rubber track. A Specifications subject to change without notice.
Page 130: Lifting Capacity
106 LIFTING CAPACITY LIFTING CAPACITY 1. The lifting capacities are based on ISO 10567 and do not exceed 75% of the static tilt load of the machine or 87% of the hydraulic lifting capacity of the machine. 2. The strokes are as follows. (1) The load point corresponds to the front bolt part of the arm.
Page 131 LIFTING CAPACITY...
Page 132: List Of Screens
108 LIST OF SCREENS LIST OF SCREENS LIST OF NORMAL SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) Glow screen Wait until the glow mark This screen indicates that disappears. Then get the the glow lamp is on. engine started.
Page 133: Navigation List Of Screens
LIST OF SCREENS NAVIGATION LIST OF SCREENS If an error occurs with the machine, one of the following messages appears in the LCD. In case of trouble, immediately contact your local dealer for inspection and repair. While the ( ) (information mark) appears onscreen, press the information switch, and detailed information will be displayed.
Page 134 110 LIST OF SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) Insert the register keys sequentially. Insert the register keys This message appears when sequentially.To interrupt the the anti-theft setting keys are registering procedure, press ready to register. Switch 1.
Page 135 LIST OF SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) Out of fuel Fuel is running out. Add fuel. The fuel level indicator does Fuel sensor error not appear on the meter.Press the display The fuel sensor system is in Immediately contact your selector switch, and the trouble.
Page 136 112 LIST OF SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) Refill the radiator with coolant by the amount that Leave the engine idling until overflowed amount. Unclog Cool-down during this warning disappears. the radiator and other overheat idling Do not stop the engine components before use...
Page 137 LIST OF SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) CAN system error The communication (CAN) The engine may get started system is in trouble. Some and the machine may move. Immediately contact your meter readings may be But do not try any jobs.
Page 138 114 LIST OF SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) The engine fails to start. * Wait for a while to do a retry. * If the key is attached with Key being anything else metallic or Detach anything metallic authenticated inserted on a key ring,...
Page 139 LIST OF SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) Regen.inhibition. Move the machine to a safe Release it. place and release the inhibit DPF must be regenerated, switch to start DPF Requirement for DPF but unable to start regeneration.If this error regeneration.
Page 140 116 LIST OF SCREENS Problem or failure Machine behavior Message Correction (What happened) (Provisional measure) Overheat advance Unclog the oil cooler and Leave the engine idling until warning other components before this warning disappears. Auto idling for using again. hydraulic oil The engine was forced to get Do not stop the engine Check also the hydraulic...
Page 141: Automatic Diesel Particulate Filter (Dpf) Regeneration
60 seconds in order to protect DPF. over 1650 rpm. When the pilot control lock lever is down, the engine will not Unless the auto regeneration starts, Blinking stop while the engine output is limited. consult your KUBOTA local dealer. (red)
Page 142 A When the interval of DPF regeneration has become 5hours or shorter routinely, change the oil for new one, if this condition continues even after an oil change, consult your local KUBOTA dealer.
Page 143: Locking And Releasing The Diesel Particulate Filter (Dpf) Regeneration
LIST OF SCREENS LOCKING AND RELEASING THE DIESEL PARTICULATE FILTER (DPF) REGENERATION Press the inhibit switch (1). The automatic DPF regeneration is locked and the indicator (2) in the switch lights up. (1) Inhibit switch (2) Inhibit switch indicator The following is meaning and required operator action. Inhibit Warning Display...
Page 144 120 LIST OF SCREENS Inhibit Warning Display Meaning Required operator action switch lamp A Auto A Move the machine to a safe place regeneration process locked. and release the inhibit switch. A Operator needs preparation of A Increase the engine speed over DPF regeneration.

Kubota KX080-4S2 Operator's Manual

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