Kubota KX080-3, Operator'S Manual

Page 1: ...OPERATOR S MANUAL English Australia Code No RD819 8131 7 K X 0 8 0 3 PRINTED IN JAPAN KUBOTA Corporation 2007 READ AND SAVE THIS MANUAL MODEL KX080 3 1BAAABSAP0010...

Page 2: ...ront means the front view towards the boom and dozer High speed International Standardization Organization Japanese Industrial Standard Volume Liter Liter per minute Low speed Military Standards Opera...

Page 3: ...e 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 movem...

Page 4: ...best use of your excavator please read this manual carefully It will help you become familiar with the operation of the excavator and contains many helpful hints about excavator maintenance It is KUBO...

Page 5: ...l Panel 11 Operation 12 HANDLING THE SAFETY DEVICES 12 Control Lever Lock 12 OPERATION OF THE ENGINE 13 STARTING THE ENGINE 13 Display Selector Switch 15 Charge Lamp 15 Oil Lamp 15 Glow Lamp 15 LCD Di...

Page 6: ...on First Service Port 38 Second Service Port Operation 39 1 way or 2 way CIRCUIT SELECTION VALVE OPERATION 40 EMERGENCY SHUT OFF VALVE 41 BOOM LOWERING VALVE 41 AUTO IDLE AI OPERATION 42 IMPORTANT INF...

Page 7: ...ecking Air Conditioner Condenser 66 EVERY 250 SERVICE HOURS 67 Engine Oil Change First Engine Oil Change after 50 Service Hours 67 Replacing Engine Oil Filter 68 Greasing Front Attachments without Buc...

Page 8: ...gerant gas 77 OTHER ADJUSTMENTS AND REPLACEMENTS 78 PURGING OF THE FUEL SYSTEM 78 ADJUSTMENT OF TRACKS 78 Special Information when Using Rubber Tracks 79 CHANGING THE BUCKET 80 FUSES 80 Replacing Fuse...

Page 9: ...e 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 str...

Page 10: ...of the excavator at anytime The operator must remain in the excavator seat during operation 13 Check mechanical parts for correct adjustments and wear Replace worn or damaged parts immediately 14 Keep...

Page 11: ...ble 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...

Page 12: ...g direction and to avoid a 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 A...

Page 13: ...x 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 t...

Page 14: ...ntly 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 fre...

Page 15: ...7 SAFE OPERATION...

Page 16: ...SAFE OPERATION 8...

Page 17: ...9 SAFE OPERATION...

Page 18: ...SAFE OPERATION 10...

Page 19: ...11 SAFE OPERATION...

Page 20: ...SAFE OPERATION 12...

Page 21: ...nger 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...

Page 22: ......

Page 23: ...e 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 seria...

Page 24: ...cks 450 width Steel tracks 600 width 8280 18254 8330 18364 8460 18475 Engine Type Water cooled 4 cycle diesel engine with 4 cylinder Model name KUBOTA V3307DI T Total displacement cc 3331 Engine power...

Page 25: ...EPICTED 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 se...

Page 26: ...ch 3 Horn switch 4 One way hold lock switch 5 Travel speed switch 6 Beacon light switch 7 Starter switch 8 Speed indicator light 9 Flow volume setting switch 10 Switch for Auto idle control 11 Wiper W...

Page 27: ...Drive lever left 2 Lock lever 3 Control lever for front attachments left 4 Drive pedal 5 Drive lever right 6 Control lever for front attachments right 7 Dozer control lever 8 Throttle potentiometer 9...

Page 28: ...and the ROPS OPG Top Guard Level I safety device Check the condition of the safety and warning labels See DANGER WARNING AND CAUTION LABELS in SAFE OPERATION BWiper Washer Switch To move the wiper tu...

Page 29: ...overload warning horn sounds could result in the machine tipping over If the buzzer sounds stop operating the machine and lighten the load When excavator is used in object handling operations set the...

Page 30: ...enough In which case prepare additional stationary artificial lighting observe safety rules as well as special regulations for night work BOpening Closing of CAB Door 1 Unlock the CAB door and pull t...

Page 31: ...t the windshield slide inward 3 Pull the windshield all the way to the lock at the back of CAB 4 To close the window take the reverse steps 3 2 and 1 BOpening Closing of Side CAB Window 1 Pull the gri...

Page 32: ...to obtain the desired condition Position the inlet selector lever to the desired position A Do not allow water to enter the fresh air port while washing the excavator A DOOR WINDOW B WIND SHIELD C CH...

Page 33: ...If the window fails to defrost in extreme conditions or becomes cloudy when dehumidifying the CAB remove moisture with soft cloth A Do not block all the air outlets of the air conditioner A trouble m...

Page 34: ...s ON C Cooling 1 Press and turn on the air conditioner switch 2 Turn on the blower 1 2 3 switch 3 Adjust the temperature control lever to the COOL or an intermediate position to achieve the desired te...

Page 35: ...20 sec or more before attempting to restart A If you keep the attachment lock lever at UNLOCK and try to get the engine started Lift up unload lever appears on the meter panel and the engine cannot be...

Page 36: ...mp will light up while the engine is preheated and will go out automatically after preheating is finished 5 Turn the key to the position START and release after the engine has started 6 Check if all w...

Page 37: ...oil pressure warning lamp lights up due to failure of the lubricating system with the engine running When the starter switch is turned RUN with the engine off this lamp lights up and when the engine s...

Page 38: ...ns are helpful when adding the fuel The fueling process can be monitored by a buzzer sound Procedure 1 Press the work light switch or the display selector switch on the meter with the key OFF Keep the...

Page 39: ...is not a display failure BLCD Display for Warning C Remaining fuel warning When the fuel level is very low the lamp yellow starts flashing and the following message appears in the display C Battery ch...

Page 40: ...uel Supply Pump To avoid serious injury or death A Do not use the fuel supply pump for gasoline or hydraulic oil Doing so could result in explosion or damage Only use the fuel supply pump for diesel f...

Page 41: ...arning lamp Engine oil pressure has gone out A the warning lamp Battery charge goes out when engine speed is increased A the color of the exhaust is normal and no abnormal noises or vibrations are hea...

Page 42: ...itions If the hydraulic fluid temperature is too low the operation will be affected Do not operate the excavator under full load until the engine has sufficiently warmed up STOPPING THE ENGINE To avoi...

Page 43: ...if equipped 5 Connect the terminal of the red jumper cable with the plus terminal of the low battery and connect the other end of the cable to the plus terminal of the auxiliary battery 6 Connect the...

Page 44: ...fic and important role during the run in phase of the excavator The numerous movable parts are not yet run in so many fine metal particles are generated and cause damage and shorten the life of many c...

Page 45: ...just the seat to the desired position after lifting the seat to the highest position in the case of lowering the seat C Arm rest Arm rest may be set at upright position if desired C Arm rest angle adj...

Page 46: ...ler and dozer blade to the front of the excavator A Use extra caution when traveling across a slope or working sideways on a slope A Recommended technique for working on a slope 1 Adjust the engine sp...

Page 47: ...posite to the drive direction of the levers when activating the drive lever forward the machine in relation to the operator s seat will move backward Pushing the drive lever forwards moves the excavat...

Page 48: ...hed down completely A Each time the travel speed switch is pressed the travel speed is switched between first and second A It automatically changes into first speed low speed when the drive resistance...

Page 49: ...forward bring the left drive lever into the neutral position the excavator will turn in the direction of the arrow of the illustration below 2 While travelling backward bring the left drive lever int...

Page 50: ...cavator UP AND DOWNHILL DRIVING To avoid personal injury A When travelling up or down a slope use extra caution and follow the instructions below While traveling uphill keep the lower edge of the buck...

Page 51: ...all control levers in neutral position then brace the tracks with chocks OPERATION OF THE DOZER 1 To raise the dozer pull back the control lever To lower the dozer push the control lever forward 2 Whi...

Page 52: ...pattern selected by operating slowly BPattern Change 1 Loosen the lever lock knob 2 and slide it to the direction a and position the pattern selector lever 1 to the desired position 2 Slide the lever...

Page 53: ...oil warms up To lower the boom push the attachment control lever forward A When lowering the boom make sure that it does not hit the dozer and that the bucket teeth do not touch the dozer OPERATION O...

Page 54: ...OPERATION To avoid personal injury A When working in groups always let the others know what you are going to do before you do it A Keep others away from the machine working area A Be sure to lock the...

Page 55: ...e boom to the left 3 Step on the right side of the pedal to swing the boom to the right A Do not operate the left attachment control lever abruptly from right to left or vice versa Because the low of...

Page 56: ...ock lever is raised the service port activation switch is off A Let the engine warm up after start up for approx 10 minutes under no load conditions BFirst Service Port Operation The service port swit...

Page 57: ...service port operation by pushing the service port activation switch Each time the service port activation switch is pushed the action mode changes from 1 through 4 A When turning the starter key to t...

Page 58: ...36 EXCAVATOR OPERATION A Setting of limited flow volume Max flow volume right and left can be adjusted in 15 stages independently...

Page 59: ...37 EXCAVATOR OPERATION A Service Port Max Flow Volume Max Flow Volume Theoretical L min 100 Max pressure MPa kgf cm 20 6 210...

Page 60: ...side before making connections For hammer choices contact your dealer A Suppose that the same attachment is mounted on another machine Even if the same limit setting is made the same speed cannot be a...

Page 61: ...period dirt particles can settle in the lower part of the service port lines When the plugs on the service port lines are removed to connect attachments drain approx 100 cc 3 4 oz of oil per side bef...

Page 62: ...moving changing the equipment A Release pressure in the hydraulic system before removing changing the equipment See HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM A Position the selection val...

Page 63: ...a KUBOTA dealer for maintenance BOOM LOWERING VALVE Use this valve if the engine fails to get started and the accumulator fails to operate and there is an urgent need to lower the boom To avoid perso...

Page 64: ...ravitational impact of the machine A Compacting of gravel or soil using the dropping action of the bucket A Excavation using the traveling power of the machine A Do not try to drop or shake off soil a...

Page 65: ...ine A After stopping the engine turn the key to RUN position A Release pressure in the hydraulic system by operating levers with lever lock pulled down A When the pressure of the service port lines is...

Page 66: ...he vehicle only with the arm completely pulled in A Do not jack up the machine using its boom to load or unload the excavator from the vehicle Doing this is dangerous Otherwise the CAB of the vehicle...

Page 67: ...and remove the key 8 Raise the lock lever 9 Block the tracks with blocks and tie down the excavator B Towing the machine To avoid personal injury A Use a shackle and slings or wires that are strong en...

Page 68: ...in the middle of the hook 5 The load must be lifted vertically from the ground 6 Do not enter the working area under suspended loads and do not move the load over people The load must only be moved in...

Page 69: ...er the excavator area when lifting 3 Lift the excavator horizontally Modify cable or strap connections according to needs Maximum strength for example JIS G 35 25 6X24 Excavator Weight kg 8250 Load Ca...

Page 70: ...heck 56 adjust every 200 hrs 62 13 Radiator hoses and clamps check every 200 hrs 63 replace every 2 years 74 14 Air filter element Outer element clean every 200 hrs 63 2 replace every 1000 hrs 73 2 In...

Page 71: ...belt tension check Daily check 56 adjust every 200 hrs 62 13 Radiator hoses and clamps check every 200 hrs 63 replace every 2 years 74 14 Air filter element Outer element clean every 200 hrs 63 2 rep...

Page 72: ...egulation As the engine owner you are responsible for the performance of the required maintenance on the engine according to the above instruction Please see the Warranty Statement in detail No Check...

Page 73: ...Closing of the Engine Hood To avoid personal injury A Do not open the engine hood with the engine running unless in an emergency A Do not touch the exhaust muffler or the exhaust pipe serious burns ca...

Page 74: ...o close it pull the side cover all the way back and pull down the catch lever to lock the side cover BWhere to store the Tool 1 Open the side cover 2 Store the tools in the storage box BWhere to store...

Page 75: ...AINTENANCE BWhere to keep Operator s Manual BUtility Box 1 Open the rear cover BCup Holder BWhere to Store the Fire Extinguisher 1 Operator s manual storage 1 Utility box 1 Cup holder 1 Fire extinguis...

Page 76: ...orwarded to the radiator Open the side cover See Opening Closing of the Side Cover in OPENING AND CLOSING OF PARTS section Check the coolant level in the recovery tank and fill up if necessary The coo...

Page 77: ...ey before checking the oil level A Use engine oil with the correct viscosity according to the outside temperature A After stopping the engine and remove the key wait five minutes then check oil level...

Page 78: ...the bucket inward and boom swing left end Then lower the dozer on the ground and stop the engine 2 Check the oil level as to whether it lies on the center of the gauge at normal temperature 10 to 30 5...

Page 79: ...e marked grease nipples shown by arrows in the illustration below BChecking Radiator and Oil Cooler To avoid personal injury A Always stop the engine and remove the key before checking the radiator A...

Page 80: ...Cleaning Engine and Electrical Wiring To avoid personal injury A Always stop the engine and remove the key before cleaning the wiring cables and engine Before starting check whether flammable substan...

Page 81: ...aining the water from the fuel tank be sure to stop the engine and remove the key A Do not smoke during inspection 1 Open the side cover 2 Open the drain cock BDraining Water Separator 1 Open the side...

Page 82: ...d with it wash it away completely with water immediately and get medical attention A Wear eye protection and rubber gloves when working around the battery A Before inspection or dismounting the batter...

Page 83: ...To slowly charge the battery connect the battery positive terminal to the charger s positive terminal and the negative to the negative one Then recharge in the standard fashion 4 A boost charge is on...

Page 84: ...rox 10 kg The belt tension is correct if it deflects about 10 mm If otherwise loosen bolt 1 and 2 and shift the alternator 3 in the direction shown by the arrow 2 Replace the alternator belt if worn o...

Page 85: ...coolant to cool down Check the water hoses for proper connection This check should be carried out every 200 hours or every 6 months whichever comes first 1 Should the hose clamps become loose or wate...

Page 86: ...uld be blown clean from the inside to the outside until the dust deposits are noticeably reduced A If the air suction is still inadequate or the color of the exhaust gases is abnormal even after the c...

Page 87: ...nd hose clamps are tightened and not damaged 2 If hoses and clamps are found worn or damaged replace or repair them at once AIR CONDITIONER BCleaning Air Filter Open the cover and remove the filter co...

Page 88: ...hit the filter If the filter becomes deformed dust may enter into the air conditioner which may cause damage and malfunction A Pressure of compressed air must be under 205 kPa 2 1 kgf A If the filter...

Page 89: ...2 Re tighten the drain plug 3 Fill up with new oil through the filling port to the specified level 4 Let the engine idle for approx 5 min Check the engine oil level To check the engine oil level inser...

Page 90: ...the amount of the filter capacity after the engine is started It is necessary to add oil A Always check the oil level after having exchanged the filter BGreasing Front Attachments without Bucket Pin a...

Page 91: ...e the track so that the drain plug of the drive unit is in the bottom position 2 Remove the drain plug to let the oil run out Screw in and tighten the drain plug again and fill with gear oil through t...

Page 92: ...n the hydraulic tank has cooled down A The oil may spurt out if plugs or filters are removed before releasing the pressure in the hydraulic system Gradually loosen the oil filling plug on the tank to...

Page 93: ...g plug on the tank to release the pressure in the hydraulic system 3 Remove the pilot filter case from the head cover 4 Wrench and pull out the element downward 5 Replace the O ring with a new one 6 A...

Page 94: ...cylinders halfway out and lower the bucket on the ground 2 Gradually loosen oil filling plug on the tank to release pressure in the tank 3 Remove the drain plug on the underside of the hydraulic tank...

Page 95: ...lter cartridge and oil 1 The filter cartridge must be changed more often because of contamination resulting from the frequent assembly and disassembly of the hoses 2 Use the correct replacement filter...

Page 96: ...electrical circuitry for disconnections shorts or loose terminals BChecking Air Conditioner Pipes and Hoses To avoid personal injury A Do not touch the air conditioner hoses or the heater with your ha...

Page 97: ...Do not pour waste onto the grounds down a drain or into any water source A Also observe the relevant environmental protection regulations when disposing of anti freeze A If swallowed anti freeze is p...

Page 98: ...properly If the cap is loosely or not properly fitted overheating of the engine can result due to coolant fluid loss BReplacing Fuel Hoses and Clamps Replace the hoses and clamps See Checking Fuel an...

Page 99: ...Consult your local KUBOTA Dealer for assistance and service A shortage of refrigerant impairs the air conditioner performance Check the following points If it is indicated that the amount of refriger...

Page 100: ...108 N m A If the tracks are too tight wear is increased A If the tracks are too loose the track pads may collide with the sprocket and wear is increased The track may dislocate or come off A Clean th...

Page 101: ...d the sprocket If the seam is positioned incorrectly the tracks will be tensioned too loosely and a further readjustment will be necessary A Rotate the track after adjustment one to two times to check...

Page 102: ...s A Never use your fingers for the alignment of the components linkage bucket arm The components may sever your fingers by uncontrolled movements A Read the manual of the attachment to do a correct op...

Page 103: ...the electrical circuits for trouble and then replace with a new compatible slow blow fuse C Replacement procedure 100 Amp Slow blow fuse 1 Disconnect the negative cord of the battery 2 Remove the slo...

Page 104: ...in winter Pour hot water over the radiator Battery is almost dead insufficient compression Recharge battery Insufficient engine power Low fuel level Check fuel and add if necessary Clogged air cleane...

Page 105: ...oom arm bucket drive swing and dozer power is too low Hydraulic oil level too low Add oil Leakages of hoses and or joints Replace hose or joint Swing motor and front attachment does not work Lock leve...

Page 106: ...belt is in good condition keep running until the battery becomes dead Immediately contact your local dealer for repair red 24V line engine startup alternator defective Do not start the engine on 24V...

Page 107: ...econds A When the display selector switch of the panel is pushed for more than 3 seconds the message disappears C In case the service hour meter replaced due to any trouble with it the meter is set to...

Page 108: ...between water and anti freeze A Use permanent anti freeze or long life coolant A Drain the coolant completely and clean the inside of the radiator then fill with the water and anti freeze mixture A Th...

Page 109: ...he excavator on the planks and cover completely 2 Do an oil change and grease the excavator 3 Heavily grease the visible section of the cylinder rods 4 Remove the battery and store indoors 5 If it is...

Page 110: ...to the hydraulic system use only a KUBOTA genuine hydraulic hose Inspection Interval Check points Daily Checks Oil leak at fuel and hydraulic hose connections and points Every month Oil leak at fuel a...

Page 111: ...MENDED OILS RECOMMENDED OILS 1 Before delivery the hydraulic oil used was Shell Tellus S2M46 2 Use engine oil API service classification CF or CI 4 3 Use SAE 90 API GL 4 GL 5 as drive unit oil for all...

Page 112: ...E 10W 30 SAE 15W 40 0 to 25 SAE 20 or SAE 10W 30 SAE 15W 40 Below 0 SAE 10W or SAE 10W 30 SAE 15W 40 A Refer to the following table for the suitable API classification engine oil according to the engi...

Page 113: ...ith KUBOTA original bucket A Above dimensions are based on the machine with rubber track A Specifications subject to change without notice mm A B C D E F G H I J KX080 3 590 770 2200 7240 5250 4600 30...

Page 114: ...are taken into consideration for the loads Machine conditions No bucket all others according to the standard regulations To avoid personal injury or death A No loads greater than those values mentione...

Page 115: ...93 LIFTING CAPACITY...