Kubota K008-3 Operating Instructions Manual
Mini excavator
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Also See for K008-3:
- Workshop manual (390 pages) ,
- Operating instructions manual (132 pages) ,
- Operator's manual (82 pages)
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Summary of Contents for Kubota K008-3
- Page 1 MINI EXCAVATOR MODELS K008-3 U10-3 OPERATING INSTRUCTIONS W9212-8135-3 - Original - 03/2012...
- Page 2 (page 12). This documentation does neither extend nor restrict the contractual warranty. KUBOTA Baumaschinen GmbH reserves its right to change the information contained in this document with respect to future technical development without altering the basic characteristics of the excavators described herein and without amending this document.
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Page 3: Table Of Contents
Noise emission and vibration..........................16 Noise emission..............................16 Vibrations ................................16 Safety labels on the excavator..........................17 Safety devices..............................21 Control lever lock for the K008-3 .........................21 Control lever lock for the U10-3 ........................21 Locking the swivel frame ..........................22 Manually stopping the engine ........................22 Roll-over safety bar............................23 Seat belt...............................23... - Page 4 Observation of the displays after starting and during operation ..............55 Driving the excavator ..........................56 Adjusting the track width of the K008-3 ....................57 Adjusting the track width of the U10-3 ....................58 Swivelling the roll-over safety bar upward and downward and locking it ..........59 Driving ..............................
- Page 5 Tables Making sharp turns ..........................62 Protecting the crawler against salt ....................63 Operating the controls during excavation work ...................63 Operating the dozer blade ........................63 Overview of control lever functions ......................64 Operating the boom..........................64 Operating the arm...........................65 Operating the bucket ..........................66 Swivelling the swivel frame........................66 Swinging the boom ..........................67 Operating the auxiliary port..........................68 Locking the auxiliary port pedal ......................69...
- Page 6 Measures before taking out of service ......................103 Measures during taking out of service ......................103 Start-up after taking out of service ......................... 104 LIFTING CAPACITY OF THE EXCAVATOR................... 105 Table Max. lifting load during swivel operation 360°..................106 ACCESSORIES..........................110 KUBOTA bucket accessories ......................... 110...
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Page 7: Abbreviations
Tables Abbreviations 1/min revolutions per minute International Organization for Standardi- percent zation ° degrees Kilogramme °C degree Celsius km/h Kilometre per hour Ampere Kilonewton acc. according Kilovolt American Petroleum Institute Kilowatt approx. approximately Litre ASTM American Society for Testing and L/min Litres per minute Materials... -
Page 8: General Symbols
Tables General symbols Warning symbol Raise boom Fuel level indicator Lower boom Engine oil pressure indicator Arm dump Charge lamp Arm crowd Coolant temperature indicator Bucket crowd Glow display Bucket dump Diesel Swivel boom (left) Read the operating instructions Swivel boom (right) Lock Dozer blade up Release... -
Page 9: General Information
The data in the operating instructions apply for all models. Any differences are highlighted (e.g. K008-3 or U10-3). -
Page 10: Ec Declaration Of Conformity
General information EC declaration of conformity With the EC declaration of conformity, KUBOTA Baumaschinen GmbH certifies that the exca- vator is in conformity with the valid standards and regulations at the time of marketing. The CE conformity marking is located on the type plate and indicates compliance with the regulations. -
Page 11: Location Of The Operating Instructions
At the rear of the operator's seat is a compartment (1) for the operating instructions. Spare parts Genuine spare parts can be ordered from KUBOTA dealers by stating the model and the serial # of the excava- tor. The item numbers for the spare parts are indicated in the parts catalogue. -
Page 12: Safety Rules
Safety rules SAFETY RULES Basic safety instructions The EC machine utilization directive (2009/104/EC) dated 16/09/2009 applies for the operation of the aforementioned excavator. The information in these operating instructions applies for maintenance and repairs. National rules and regulations apply where applicable. Duties, liability and warranty A basic requisite for the safe handling and problem-free operation of the excavator is the knowledge of the safety instructions and safety regulations. - Page 13 Safety rules The owner must ensure at his own responsibility that the safety rules are observed (page 12), unapproved use and unauthorised operation (page 15) are excluded and the approved use (page 15) is ensured and the excavator is operated in accordance with the contractual conditions of use.
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Page 14: Safety Symbols
Safety rules Safety symbols The following terms and hazard symbols are used in these operating instructions: Identifies important operating procedure information which may not be immediately evident to the operator. Identifies operating procedures which must be followed exactly to prevent damage to the excavator or other property. -
Page 15: Approved Use
Disposal must be undertaken in an appropriate way, according to legally prescribed pollution control and safety regulations. If you have questions about the correct disposal or storage of refuse and toxic waste, contact your KUBOTA dealer or a local waste management contractor. -
Page 16: Noise Emission And Vibration
Safety rules Noise emission and vibration The values specified in this manual have been identified in the test cycle at an identical machine and are valid for a standard equipment machine. The determined values are shown in the Specifications (page 32). Noise emission The noise levels were determined using the method of determining the guaranteed sound pressure level of ISO 4871 based on directive 2000/14/EC, appendix VI. -
Page 17: Safety Labels On The Excavator
Safety rules Safety labels on the excavator Keep the safety and warning symbols (labels) on the excavator clean and legible, replacing them if necessary. The positioning of the safety symbols is illustrated in the following figures. Code #: 69198-5739-0 Start the engine only from the operator's seat. Do not start the engine by shorting the starter terminals. - Page 18 Safety rules Code #: RB419-5796-0 Not an attachment point! Attaching prohibited. Code #: RA028-4537-0 Do not touch the swivel joints during swivelling of the roll-over safety bar - danger of bruising your hands. Code #: RG138-5791-0 For information about loosening the crawler, consult the operating instructions. Code #: RA028-4539-0 When operating the excavator with the roll-over safety bar swivelled upward and locked, wear the seat belt.
- Page 19 Safety rules Code #: 040-4958-0 Do not touch hot parts, such as exhaust muffler, etc. Code #: 128-5776-0 Keep away from fan and drive belt. Code #: 028-5724-0 Radiator: Risk of scalding.
- Page 20 Safety rules Code #: RA028-5746-0 K008-3 Code #: RA138-5746-0 U10-3...
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Page 21: Safety Devices
The excavator is standing still and the engine is stopped and secured against restarting (starter switch in STOP position and key removed). Control lever lock for the K008-3 If the control lever lock (1) is in the top position, the control lever is out of service. -
Page 22: Locking The Swivel Frame
Safety rules Locking the swivel frame If the swivel frame lock (1) is in the bottom position, the swivel frame and the track frame are interlocked. Prior to locking the swivel, frame the swivel frame and the track frame have to be aligned together in a parallel position. -
Page 23: Roll-Over Safety Bar
Safety rules Roll-over safety bar If the roll-over safety bar (1) is in the swivelled upward position and if it is locked in this position, then the operator with tightly fastened seat belt is protected against crushing if the excavator tips over. When operating the excavator, the roll-over safety bar must be in the swivelled upward, locked posi- tion (page 59). -
Page 24: Recovery, Loading And Transport
Recovery, loading and transport RECOVERY, LOADING AND TRANSPORT Safety rules for recovery For recovery of the excavator, a towing vehicle of at least the same weight class as the excavator must be used. A tow bar must be used for the recovery. If a tow rope is used, an additional vehicle to brake the excavator must also be attached. -
Page 25: Recovery
Recovery, loading and transport Secure the excavator against sliding on the transport vehicle with chocks or chains or with suitable tiedown straps. The chocks must be secured at the crawlers and on the transport vehicle with suitable means. The driver of the transport vehicle is responsible for the secure fastening of the excavator on the vehicle. - Page 26 Recovery, loading and transport Completely retract the boom cylinder. Swing the boom from the central position approx. 10 to 15 degrees to the right. Attach the lifting gear with a shackle to the lifting eye (1) on the left side of the boom.
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Page 27: Transport On A Flat Bed Trailer
Recovery, loading and transport Transport on a flat bed trailer Adhere to the safety rules (page 12) and the safety rules for transport (page 24). Place the loading ramps on the transport vehicle at an angle of 10° to 15°. Observe the track width. ... - Page 28 Recovery, loading and transport For safe attachment, swing out the arm and bucket and lower the boom to the ground until the bucket linkage touches the loading area. Secure the chains and the dozer blade with beams (2). ...
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Page 29: Description Of The Excavator
Description of the excavator DESCRIPTION OF THE EXCAVATOR Model Overview The excavator is supplied in two different models – K008-3 and U10-3. Model K008-3/U10-3... -
Page 30: Dimensions
Description of the excavator Dimensions For the dimensions of the K008-3 and U10-3, refer to the following figures and the table. Dimensions of the K008-3/U10-3 All dimensions in mm 700/ 700/ K008-3 2230 2870 2030 1720 1380 1120 1420 1940... - Page 31 Description of the excavator Arm version Name Type K008-3 Standard arm A = 890 mm U10-3 Standard arm A = 890 mm...
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Page 32: Specifications
Description of the excavator Specifications Following are the specifications for these series. Specifications for the K008-3/U10-3 KUBOTA Excavator Model name K008-3 U10-3 Type Rubber crawler Rubber crawler Operating (without operator) 1045 weight Volume m³ 0.022 0.024 Bucket Width Kubota 3 cylinder diesel... -
Page 33: Identification Of The Excavator
Description of the excavator Identification of the excavator The type plate of the excavator is located at the front of the swivel frame. The owner should enter the stamped data in the field on the back of the front cover. 1. -
Page 34: Assembly And Functions
Assembly and functions ASSEMBLY AND FUNCTIONS Component overview 1. Boom 10. Idler 2. Arm cylinder 11. Swing block 3. Boom cylinder 12. Dozer cylinder 4. Control console 13. Dozer blade 5. Operator's seat 14. Bucket 6. Engine hood 15. Bucket linkage 1 7. -
Page 35: Operator's Place
Assembly and functions Operator's place The operator's place is located in the middle of the excavator. It includes the following control elements: 1. Working light 2. Control console 3. Selector lever for the dozer/extendable track width 4. Operator's seat 5. Seat belt 6. -
Page 36: Description Of The Components Of The Control Console
Assembly and functions The control console contains the following displays and indica- tors: 1. Fuel level indicator 2. Engine oil pressure indicator 3. Charge lamp 4. Time meter 5. Coolant temperature indicator Description of the components of the control console Left control lever The functions of the left control lever are described in the "Controls"... -
Page 37: Displays And Indicators - Description
Assembly and functions Displays and indicators - description Fuel level indicator The fuel level indicator lights up when there are only 2 L of fuel left in the fuel tank. Engine oil pressure indicator The indicator lights up when the starter switch is switched to the RUN position. It also lights up when the engine oil pressure drops considerably and upon stopping the engine. -
Page 38: Description Of The Controls
Assembly and functions Description of the controls Left control lever The left control lever is used to swivel the swivel frame and move the arm. See the table below for details. The figure shows, in connection with the following table, the functions of the left and right control levers. -
Page 39: Other Machine Components
Assembly and functions Other machine components The following details the other machine components. Working light For illuminating the working area a working light (1) is installed to the right of the boom. This light can be switched on and off using the switch (2). -
Page 40: Battery
Assembly and functions Battery The battery (1) is positioned behind the engine under the engine hood. Tray The tray (1) is positioned at the rear of the operator's seat. Tool compartment The tool compartment (1) is located below the operator's seat. -
Page 41: Fuel Tank Filler Opening
Assembly and functions Fuel tank filler opening The fuel tank filler opening (1) is positioned to the left in front of the engine under the engine hood. -
Page 42: Engine Compartment
Assembly and functions Engine compartment The engine compartment (see figure below) is located at the rear of the swivel frame below the operator's seat. It is covered by a lockable engine hood. 1. Radiator 11. Exhaust silencer 2. Coolant expansion reservoir 12. -
Page 43: Hydraulic System For The K008-3
Assembly and functions Hydraulic system for the K008-3 The drive levers and control levers, the boom swing pedal and the auxiliary port pedal activate the valve for the corresponding cylinders, drive unit or the implement itself. The hydraulic oil tank contains the suction filter and the return filter. -
Page 44: Hydraulic System For The U10-3
Assembly and functions Hydraulic system for the U10-3 The left and right control levers activate the hydraulic oil pilot control circuits that will address the corresponding valve for the cylinder or swivelling motor. The accumulator allows the boom and the arm to be lowered in case of an engine failure. The drive levers, the boom swing pedal and the auxiliary port pedal activate the valve for the corresponding cylinders, drive unit or the implement itself. -
Page 45: Operation
Operation OPERATION Safety rules for operation The safety instructions (page 12) must be followed. The excavator may only be operated according to its approved use (page 15). The excavator may only be operated by trained personnel (page 10). ... -
Page 46: Guiding The Operator
Operation Guiding the operator If the operator's working and driving area is obscured, the operator must be supported by a guide. The guide must be capable of performing this kind of work. Before starting work, the guide and the operator must agree the necessary signals. ... -
Page 47: Initial Operation
Operation Initial operation Before initial operation, the excavator must first be checked visually for external transit damages and checked if the shipped equipment is complete as ordered. Check fluid levels as described in the "Maintenance" section (page 79). For a description of all operation features, see the "Operating the excavator"... -
Page 48: Checking The Coolant Level
Operation Checking the coolant level Check the coolant level in the expansion reservoir (1). The fluid level must be between FULL and LOW. Do not open the radiator cap. If the coolant level is below the LOW mark, refill (page 84). -
Page 49: Checking The Exhaust System For Leaks
Operation Checking the exhaust system for leaks Check the exhaust system for leaks and security (formation of cracks). If the inspection is carried out when the engine is warm, there is a risk of burns at the exhaust system. ... -
Page 50: Checking The Water Separator Of The Fuel System
Operation Checking the water separator of the fuel system Check the water separator (1) for water content and con- tamination, clean if necessary (page 89). The cock (2) should be vertical in the "O" position. Lubrication Start the engine (page 53). ... - Page 51 Operation Wipe emerged grease off immediately and store dirty cleaning cloths in the containers provided for disposal.
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Page 52: Checking The Fuel Level Of The Fuel Tank
Operation Checking the fuel level of the fuel tank Open the engine hood (page 74). Open the filler cap (1). Check the fuel level. If the fuel level is too low, refuel the excavator (page 72). ... -
Page 53: Fastening The Seat Belt
Operation Fastening the seat belt Fasten the seat belt (1). Be sure that the seat belt is tightly fastened. Do not operate the excavator without the seat belt fastened. Starting and stopping the engine Make sure that there are no persons within the excavator's working area. It is essential to warn persons in the vicinity of the excavator by briefly honking the horn. - Page 54 Operation Under cold engine conditions: Set the throttle lever (1) between medium and maximum engine speed. At engine operating temperature: Set the throttle lever (1) to idle speed. Insert the key into the starter switch (5) and turn it to the RUN position.
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Page 55: Stopping The Engine
Operation At engine operating temperature: Turn the starter switch to PREHEAT for approx. 5 seconds. Turn the starter switch to the START position and release it as soon as the engine has started. The switch will return automatically to the RUN position. Set the engine speed required for operation: ... -
Page 56: Driving The Excavator
Operation Driving the excavator Adhere to the general safety rules (page 12) and the safety rules for operation (page 45). Carry out pre-operational services (page 47). Start the engine (page 53). Check the displays and indicators (page 55). Ensure that the boom and the dozer blade are in the direction of travel as shown in the figure. -
Page 57: Adjusting The Track Width Of The K008-3
Raise the dozer blade to the top position by pulling the dozer control lever (1) back. Select an appropriate engine speed. Adjusting the track width of the K008-3 For models with extendable track width, adjust the desired track width prior to operation. To do this: ... -
Page 58: Adjusting The Track Width Of The U10-3
Operation Do not operate the excavator with the narrow track width (700 mm), risk of flipping. Always use the standard track width (860 mm) unless you pass through narrow places on a flat surface. Changing the standard dozer blade width to narrow: ... -
Page 59: Swivelling The Roll-Over Safety Bar Upward And Downward And Locking It
Operation Do not operate the excavator with the narrow track width (750 mm), risk of flipping. Always use the standard track width (990 mm) unless you pass through narrow places on a flat surface. Changing the standard dozer blade width to narrow: ... -
Page 60: Driving
Operation Swivelling the roll-over saftey bar upward is effected in reverse order. Make sure that the roll-over safety bar in the swiv- elled upward position is locked by the locking bolts (previous figure/3 and 4) and secured by the safety bolts (previous figure/1 and 2). -
Page 61: During Driving
Operation During driving Pull the left drive lever to neutral, leave the right drive lever pushed forward. (A) The excavator makes a left turn. From a standing position Leave the right drive lever in neutral, push the left drive lever forward. -
Page 62: Driving Uphill And Downhill
Operation Driving uphill and downhill Exercise extreme caution and proceed slowly when driving up and down a slope. When driving on gradients, raise the bucket approx. 200 to 400 mm (A) above the ground (see figure). When driving on gradients, let the bucket slide over the ground if the terrain allows it. -
Page 63: Protecting The Crawler Against Salt
Operation Protecting the crawler against salt Do not work with the machine on the seashore. (The salt will cause the steel insert to corrode.) Operating the controls during excavation work Always observe the following safety instructions when working with the excavator. ... -
Page 64: Overview Of Control Lever Functions
Operation The dozer blade moves as shown in the figure. Overview of control lever functions The figure shows, in connection with the following table, the functions of the left and right control levers. Control levers Movement Right control lever Lower boom Raise boom Bucket crowd Bucket dump... -
Page 65: Operating The Arm
Operation The boom moves as shown in the figure. Operating the arm To dump the arm, push the left control lever (1) forward (figure ). To crowd the arm, pull the left control lever back (figure position ). The arm moves as shown in the figure. -
Page 66: Operating The Bucket
Operation Operating the bucket To crowd (digging) the bucket, move the right control lever (1) to the left (figure position To dump (empty) the bucket, move the right control lever to the right (figure/ ). When crowding the bucket in, take care that the teeth do not hit the dozer blade. -
Page 67: Swinging The Boom
Operation The turning operation takes place as shown in the figure. Swinging the boom No person is allowed to stand in the swing area during the movement. Do not move the foot outside the front part of the boom swing pedal → risk of bruising. Swing carefully to avoid any contact of the front attachments with adjacent objects. -
Page 68: Operating The Auxiliary Port
Operating the auxiliary port Implements are operated using the auxiliary port. Only implements approved by KUBOTA may be used. The implements must be operated in accordance with the operating instructions supplied with them. For auxiliary port specifications, see the "Specifications" section (page 32). -
Page 69: Locking The Auxiliary Port Pedal
Operation Tilt the auxiliary port pedal (1) backward. To operate the implement, press the auxiliary port pedal downward (figure position ). Locking the auxiliary port pedal The auxiliary port pedal (1) may be locked with the locking screw (2) for usage with special devices, such as augers and crushers. -
Page 70: Working Light
Operation Turn the starter switch (1) to the STOP position, remove the key. The key must remain with the operator. Unbuckle the seat belt. Check the excavator for external damage and for leaks. Any defects must be repaired before the next start. ... -
Page 71: Operation During The Winter Season
Operation Operation during the winter season The excavator must be cleaned after work is finished (page 84). Special attention must be paid to the crawlers, the front attachments and the piston rods of the hydraulic cylinders. If the excavator is cleaned with a water jet, it must then be parked in a dry, frost-free and well-ventilated enclosed space. -
Page 72: Emergency Stop Functions
Operation Disconnect the second jumper cable from the positive terminal of the excavator battery first, and then from the positive terminal of the helping vehicle. Refit the positive terminal cover on the excavator battery and install the cover and rubber mat. ... -
Page 73: Bleeding The Fuel System
Operation Stop the engine. Open the engine hood (page 74). Open the filler cap (1). Fill diesel fuel up to the base of the filler tube. Clean the air filter (2) inside the filler cap. Mud at the air filter causes a depression inside the fuel reservoir. -
Page 74: Fuse Layout Of The Fuse Box
Operation Replace the defective main fuse (1) analogously, which is positioned near the oil dipstick. Fuse layout of the fuse box 10 A Working light, horn Time meter, fuel pump, indicators, control Timer relay 15 A Engine stop solenoid Opening and closing the engine hood ... -
Page 75: Replacing The Bucket
Operation Replacing the bucket When replacing the bucket, make sure to wear an eye protection, a helmet and protective gloves. During attaching and detaching, chippings and burrs may occur at the bolts or bushings. These may cause severe injuries. Never use your fingers for the alignment of the components (link, bucket, arm). The components may sever your fingers by uncontrolled movements. -
Page 76: Troubleshooting
Troubleshooting TROUBLESHOOTING The troubleshooting section includes only malfunctions and incorrect operations which must be remedied by the operator. Any other malfunctions may only be eliminated by trained personnel. The troubleshooting must be performed with the aid of the troubleshooting table. In order to locate a malfunction, first look in the MALFUNCTION column for the corresponding excavator malfunction. -
Page 77: Troubleshooting: Operation
Check the coolant level, add cool- ant, if necessary (page 84). Cooling system components leak- Check the cooling system for leaks. Please contact your KUBOTA dealer. V-belt too loose Check and adjust the V-belt ten- sion (page 85). Charge lamp lights up... -
Page 78: Troubleshooting: Displays And Indicators
Troubleshooting Troubleshooting: Displays and indicators Preliminary Display Colour Problem/Error Solution Measure No fuel. Refill. Engine may be Stop the engine defective. Immedi- Oil pressure too low. immediately. ately contact skilled personnel. Check the V-belt. Faulty battery charger When the V-belt is If the indicator does circuit. -
Page 79: Maintenance
A careful maintenance of the excavator will guarantee functional safety and longer service life. Neglect of the servicing will void the warranty and any liability by KUBOTA. Only use spare parts that are recommended by the manufacturer. Non-approved spare parts of inferior quality or wrong classification result in an increased risk of accidents. -
Page 80: General Maintenance Chart: 50 To 500 Hours Of Operation
Maintenance General maintenance chart: 50 to 500 hours of operation Operator servicing Elapsed hours of operation General maintenance Interval Page Check the engine oil level daily Check the hydraulic oil level daily Check the fuel level daily ... -
Page 81: General Maintenance Chart: 550 To 1000 Hours Of Operation
Maintenance General maintenance chart: 550 to 1000 hours of operation Operator servicing Elapsed hours of operation General maintenance 950 1000 Interval Page Check the engine oil level daily Check the hydraulic oil level daily Check the fuel level daily ... -
Page 82: Servicing Maintenance Chart: 50 To 500 Hours Of Operation
Maintenance Servicing maintenance chart: 50 to 500 hours of operation Servicing by skilled personnel or KUBOTA dealer Elapsed hours of operation Servicing Interval Page Check the nuts and bolts 100 h Check the coolant hoses and ... -
Page 83: Servicing Maintenance Chart: 550 To 1000 Hours Of Operation
Maintenance Servicing maintenance chart: 550 to 1000 hours of operation Servicing by skilled personnel or KUBOTA dealer Elapsed hours of operation Servicing 950 1000 Interval Page Check the nuts and bolts 100 h Check the coolant hoses and ... -
Page 84: Cleaning The Excavator
Maintenance Cleaning the excavator Before cleaning, shut down the engine and secure it against starting. If a steam cleaner is used for cleaning the excavator, do not direct the steam jet at electric com- ponents. Do not direct a water jet into the intake opening of the air filter. Do not clean the excavator with inflammable liquids. -
Page 85: Cleaning The Radiator
Maintenance Cleaning the radiator Open the engine hood (page 74). Clean the radiator (1) from the engine side with a water jet or with compressed air. Do not use high-pressure cleaners. Check the radiator for damage after cleaning it. ... -
Page 86: Replacing The Engine Oil And Oil Filter
Maintenance Replacing the engine oil and oil filter The engine oil change must be carried out while the engine is warm. Caution: the engine oil and the oil filter are very hot → risk of scalding! Place an oil pan with a capacity of about 5 L under the engine oil drain. The engine oil should not be allowed to seep into the earth and it must be discarded like the oil filter in accordance with the applicable environment protection regulations. -
Page 87: Filling The Engine Oil
Maintenance Filling the engine oil Open the engine hood (page 74). Unscrew the oil filler cap (1) and fill engine oil. See the "Recommended lubricants" section (page 100). Filling capacity: 2.2 L Screw in the oil filler cap. ... -
Page 88: Replacing The Coolant
Maintenance Replacing the coolant Drain the coolant only when the engine is cold. Total cooling system capacity: 3.5 L Open the engine hood (page 74). Open the radiator cap (1). Open the central coolant drain plug (1) and drain the cool- ant completely. -
Page 89: Checking And Cleaning The Air Filter
Maintenance Checking and cleaning the air filter If the excavator is operated in a particularly dusty environment, the air filter must be checked more often. Open the engine hood (page 74). Open the clips (2) and remove the cover (1). ... -
Page 90: Draining Water From The Fuel Tank
Maintenance Remove the filter cup retainer (4) while holding the filter cup (3). Remove the filter cup and filter. Clean the filter cup with clean diesel fuel. Replace the fuel filter (2) and the sealing rings (1). ... -
Page 91: Topping Up Hydraulic Oil
Maintenance Topping up hydraulic oil Pay attention to utmost cleanliness when servicing the hydraulic system. This service may only be carried out after the hydraulic oil has cooled down. All hydraulic cylinders have to be extended half way (see figure), the boom has to be in line with the excavator, the dozer blade has to be lowered to the ground and the ex- tendable track width has to be set to standard track width. -
Page 92: Working With The Battery
Maintenance Working with the battery Battery acid is very caustic. Avoid contact with battery acid under all circumstances. If clothing, skin or eyes have come in contact with battery acid, rinse the affected parts immediately with water. If the eyes are affected, immediately seek medical attention! Neutralise spilled battery acid immediately. -
Page 93: Charging The Battery
Maintenance Charging the battery Charge batteries only in sufficiently ventilated rooms. Smoking, uncovered lights or fire are not allowed in these rooms. Explosive gas is created when charging batteries. Open flames can cause an explosion. Remove the fill caps when charging batteries that are virtually empty. Leave the fill caps inside (not empty) batteries that are only charged for maintenance purposes, the fill caps can stay in the batteries. -
Page 94: Lubrication
Maintenance When replacing the battery, always install a battery of the same type with the same power rating and the same dimensions. Before installation, cover the battery terminals and cable clamps with petroleum jelly. Install the battery in the swivel frame and fasten it with the battery retainer. Check the battery for tightness. →... -
Page 95: Greasing The Pitch Bearing
Maintenance Greasing the pitch bearing Fill grease through the grease nipple (1) with a grease gun. ° Grease at each 90 position of the pitch bearing. Using the grease gun, apply 20 shots at every position. See the "Recommended lubricants" section (page 100). ... -
Page 96: Checking The Crawler Tension
Maintenance When parking an excavator with rubber crawlers, ensure that the seam (∞ ) is on top half way between the two sliders. See figure in the "Checking the crawler tension" section (page 96). Clean all parts of the running gear, paying particular atten- tion to stones between the crawler and sprocket or idler. -
Page 97: Adjusting The Crawler Tension
Maintenance Adjusting the crawler tension Tightening the crawlers Position the grease gun on the grease nipple (1). Pump the grease gun until the specified crawler tension is obtained. Loosening the crawlers Cautiously unscrew the pressure valve (2) and loosen the crawler. Grease could squirt out from the cylinder opening. -
Page 98: Checking And Replacing The Fuel Lines
Close the engine hood. Checking the bolted joints The table below contains the torques for nuts and bolts. These may only be tightened with a torque wrench. Missing torques can be requested from KUBOTA. Tightening torque for screws Nm (kgf•m) 4 T (4.6) -
Page 99: Tightening Torque For Hydraulic Hoses
Maintenance Tightening torque for hydraulic hoses Wrench size Torque in Nm Hose size Thread 20-25 DN 4-1/8“ M12x1.5 25-30 DN 6-1/4“ M14x1.5 30-35 DN 8-5/16“ M16x1.5 40-45 DN 10-3/8“ M18x1.5 50-55 DN 13-1/2“ M22x1.5 Also applies to adaptors with pre-installed nut Tightening torque for hydraulic pipes Wrench size Torque in Nm... -
Page 100: Recommended Lubricants
The excavator is shipped filled with ESSO NUTO H46 hydraulic oil. If bio oil is used, please contact your KUBOTA dealer. Use only API CF or API CI-4 grade engine oil. Do not use different grades, such as CF-4, CG-4 or CH-4. -
Page 101: Excavator Repairs
Maintenance Excavator repairs Repairs on the excavator may only be carried out by trained personnel. If repairs are carried out on supporting parts, for example welding on frame parts, the work must be checked by an expert. After repairs the excavator may only be taken into operation if its proper operation has been determined. For this check particular attention must be paid to the repaired parts and the safety devices. -
Page 102: Safety Inspection
Safety inspection SAFETY INSPECTION All safety inspections are based on the national worker's protection regulations, safety regulations and technical specifications applicable to the country where the machine is deployed. The operator (page 15) should arrange for the safety inspections to be performed at specified intervals accord- ing to national rules and regulations. -
Page 103: Taking Out Of Service And Storage
Taking out of service and storage TAKING OUT OF SERVICE AND STORAGE If the excavator is taken out of service for up to six months, the measures before, during and after taking out of service must be carried out as described below. If the vehicle is to be taken out of service for a period of over six months, contact the manufacturer for additional measures. -
Page 104: Start-Up After Taking Out Of Service
Taking out of service and storage Start-up after taking out of service If necessary, clean the excavator thoroughly. Check the hydraulic oil for condensate water, replacing the oil if necessary. Install the battery (page 93). Check the safety devices for proper operation. ... -
Page 105: Lifting Capacity Of The Excavator
Lifting capacity of the excavator LIFTING CAPACITY OF THE EXCAVATOR The lifting capacity of the excavator is based on ISO 10567 and does not exceed 75% of the static tipping load or 87% of the hydraulic lifting capacity of the machine. ... -
Page 106: Table Max. Lifting Load During Swivel Operation 360
Lifting capacity of the excavator Table Max. lifting load during swivel operation 360° K008-3 / Standard arm U10-3 / Standard arm... - Page 107 Lifting capacity of the excavator Lifting capacity over front end, dozer blade down MODEL K008-3 SPECIFICATION RUBBER CRAWLER Standard ARM kN (t) LOAD RADIUS (mm) Height Mini- Maxi- [mm] 1500 2000 2500 4500 4000 3500 3000 2500 2000 (0.20) 1500 (0.18)
- Page 108 Lifting capacity of the excavator Lifting capacity over side (track width 860 mm) MODEL K008-3 SPECIFICATION RUBBER CRAWLER Standard ARM kN (t) LOAD RADIUS (mm) Height Mini- Maxi- [mm] 1500 2000 2500 4500 4000 3500 3000 2500 2000 (0.13) 1500 (0.13)
- Page 109 Lifting capacity of the excavator Lifting capacity over front end, dozer blade up MODEL U10-3 SPECIFICATION RUBBER CRAWLER Standard ARM kN (t) LOAD RADIUS (mm) Height Mini- Maxi- [mm] 1500 2000 2500 4500 4000 3500 3000 2500 2000 (0.17) 1500 (0.17) (0.12) 1000...
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Page 110: Accessories
The accessories approved for this excavator by the respective countries are described in the following seg- ments. For further accessories, please contact your KUBOTA dealer or authorized retailer. Accessories from other manufacturers may only be fitted after prior written approval from KUBOTA.
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