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130

RG268-8135-6

01/2019

Troubleshooting

Troubleshooting: Display indications

If the machine develops a fault, one of the following messages will appear on the display. In the event
of problems. please inform your KUBOTA dealer immediately.

In order to resolve malfunctions related to the operation, use or maintenance of the exhaust purifica-
tion system, implement the measures immediately in accordance with the troubleshooting table.

No.

Display

Indicator

Problem/Malfunc-
tion

Preliminary measure

Solution

1.

CAN system error

The Controller
Area Network
(CAN) has devel-
oped a fault. Meas-
ured values may
be incorrect and
switches may not
function.

The machine can be
started and driven. Do
not perform any work
with the machine.

Inform your
KUBOTA dealer im-
mediately.

2.

Refuel

This message ap-
pears when the
fuel level is low and
prompts the opera-
tor to refuel.

-

Refuel the excava-
tor.

3.

Maintenance



required soon



(notice)

This message
means that regular
maintenance is
due shortly.

Operate the machine
as usual.

Ask your KUBOTA
dealer about the rel-
evant parts. Run the
maintenance proce-
dure.

4.

Maintenance due
(warning)

This message
means that the reg-
ular maintenance
is due.

The machine can be
operated but service
must be carried out
urgently.

Ask your KUBOTA
dealer about the rel-
evant parts. Run the
maintenance proce-
dure.

5.

Water tempera-
ture rising

The temperature of
the coolant is high-
er than normal.

Operate the machine
only with reduced
loads until the temper-
ature is normal again.

-

6.

-

-

-

-

-

7.

Wrong key, unable
to start

The machine can-
not be started be-
cause the wrong
key has been in-
serted.

Use the correct key.

-

8.

RED registration
key, unable to
start

Try starting the en-
gine with the red
key (for registra-
tion).

Use the correct key.

-

9.

Power failure, set
clock

Power was inter-
rupted and the
clock now has to
be set again.

To adjust the clock,
press the display



selector switch.

-

10.

-

-

-

-

-

No display

No display

No display

No display

No display

No display

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Содержание 50740

Страница 1: ...GB KX027 4 Valid from serial no 52158 KX030 4 Valid from serial no 50740 COMPACT EXCAVATOR MODEL KX027 4 KX030 4 OPERATING INSTRUCTIONS RG268 8135 6 Original 01 2019...

Страница 2: ...which contains the complete and exclusively valid contractual war ranty refer to the Duties liability and warranty section page 13 This documentation neither extends nor re stricts the contractual war...

Страница 3: ...b 27 Emergency hammer 28 Hazards coming from the hydraulic system 28 Fire protection 29 RECOVERY LOADING AND TRANSPORT 31 Safety rules for recovery 31 Safety rules while loading with a crane 31 Safety...

Страница 4: ...Coolant level check 67 Coolant radiator and oil cooler check 68 V belt check 68 Exhaust system leakage check 69 Hydraulic oil level check 69 Water separator check 69 Bucket bolt and bucket linkage bo...

Страница 5: ...ecessary preparations prior to the winter season 113 Operation during the winter season 113 Jump starting the excavator 114 Operating in emergency situations 115 Engine stop knob 115 Manual lowering o...

Страница 6: ...hoses and hose clamps check 155 Fuel lines and air intake hoses check 155 Servicing by skilled personnel 156 Every 250 hours of operation 156 V belt adjust 156 Pilot valve grease 156 Every 500 hours...

Страница 7: ...out of service 173 Start up after taking out of service 174 LIFTING CAPACITY OF THE EXCAVATOR 175 Constructive calculation of lifting capacity 175 Lifting attachment 176 Load suspension device 177 Ma...

Страница 8: ...Tables 6 RG268 8135 6 01 2019...

Страница 9: ...urop ische Norm European standard GL Ground level h Hour incl including ISO International Organisation for Standardisation kg kilogramme km h kilometre per hour kN kilonewton kV kilovolt kW kilowatt l...

Страница 10: ...Lower boom Arm dump Arm crowd Bucket crowd Bucket dump Indicator coolant temperature Service interval indicator Set clock indicator Swivel boom left Swivel boom right Dozer up Dozer down Lever direct...

Страница 11: ...ment To ensure that the operating instructions are available to the operating personnel at all times and that the in formation such as notes warnings and safety rules and regulations are followed in a...

Страница 12: ...ottom right of the front page of the book Operating personnel The duties of personnel with respect to operation servicing repairs and safety inspections must be clearly defined by the owner Personnel...

Страница 13: ...tructions must always be kept on the excavator If the operating instructions have become illeg ible due to continuous use the owner operator must order a replacement from the manufacturer A tray 1 for...

Страница 14: ...see original KUBOTA spare parts catalogue Part number of the spare part see original KUBOTA spare parts catalogue Quantity Customer number For written orders please provide this information exactly o...

Страница 15: ...tor s may only be used for its approved use and in a completely safe operating condition Malfunctions that can impair safety must be repaired immediately Warranty and liability The scope period and fo...

Страница 16: ...e information that may not be immediately evident to the op erator Identifies operating procedures that must be followed exactly to prevent damage to the excavator or other property Identifies operati...

Страница 17: ...pproved use section page 15 of the excava tors documented in these operating instructions is considered unapproved use This also applies to the failure to observe the standards and guidelines listed i...

Страница 18: ...ke sure that all operators and users have read and understood these operating instructions The operator must provide persons who work with or on the excavator with suitable personal protective equipme...

Страница 19: ...tion stress on the operator over a longer period of time must be determined by the owner at the operating site in compliance with directive 2002 44 EC in order to consider individual magnitudes of inf...

Страница 20: ...ead to burns Do not touch hot components Before working on the engine please read the operating instruc tions 3 Code R2491 5736 0 Risk of fire from inflammable diesel fuel Inflammatory vapours can occ...

Страница 21: ...ruc tions 3 Code RG158 5789 0 Danger of cutting from rotating components The rotary fan can cut into the extremities Danger of crushing from rotating components The rotary belt drive can draw in limbs...

Страница 22: ...t point for lifting gear 3 Code RG268 5789 0 Mortal danger by crushing A low safe distance to the arm can impede an emergency exit from the danger zone Being crushed by the arm can result in severe in...

Страница 23: ...4 cab Code RG468 5749 0 Max lifting capacity when rotating up to 360 KX030 4 cab 2 Code RG268 5748 0 Max lifting capacity when rotating up to 360 KX027 4 canopy Code RG468 5748 0 Max lifting capacity...

Страница 24: ...bstacles can prevent an emergency exit from the danger zone Crushing by excavator results in severe injury or death Before leaving the machine lower bucket to the ground Lift the control lever lock tu...

Страница 25: ...oning 2 Code RG158 5724 0 Danger of injury from liquids under pressure Escaping hydraulic oil under pressure can penetrate into the skin Risk of burns from hot components Surfaces can be hot and lead...

Страница 26: ...one hand Make sure that you have a secure footing 2 Code RG109 5796 0 Not an attachment point for lifting gear 3 Code RG268 5738 0 Danger of cutting and crushing through rotating parts The rotating f...

Страница 27: ...ic current Excess voltage can cause injuries while working on the electrical sys tem Before working on the electrical system disconnect it from the pow er supply Wear personal protective equipment Bef...

Страница 28: ...onsole 2 is raised completely with the control le ver lock 1 then the hydraulic functions of the following controls will be locked To unlock the hydraulic functions lower the control console completel...

Страница 29: ...the excavator without the protective structure When using a hydraulic hammer or other attachment for demolition work where material e g asphalt is removed and can uncontrollably sputter away a gravel...

Страница 30: ...erwise there is a risk of damage to the skin Immediately take off any clothes dirtied or soaked with hydraulic oil Persons who have inhaled hydraulic oil vapours mist should be taken to a doctor immed...

Страница 31: ...ust pipes and mufflers must be checked daily for leaks damage and any loose or missing joints Leaking or damaged exhaust system components must be replaced or repaired before starting up the machine A...

Страница 32: ...30 RG268 8135 6 01 2019 Safety rules...

Страница 33: ...g or recovery vehicle Observe the admissible values for the towed load and the vertical load during recovery see Technical data page 39 Safety rules while loading with a crane Crane and lifting gear m...

Страница 34: ...oom In the transport vehicle pull the parking brake and secure the individual wheels of the transport vehicle both at the front and rear with chocks Secure the excavator against sliding on the transpo...

Страница 35: ...during excavation work section page 88 Bring the boom in line with the longitudinal axis of the swivel frame Bucket cylinders and arm cylinders respectively must be extended to the stop position Boom...

Страница 36: ...1 on each side of the boom As soon as the lifting gear is attached to the excavator press towels between the lifting gear and the excavator to protect the excavator Always keep the machine level Be su...

Страница 37: ...vator exactly in line with the ramps and drive up straight Lower the dozer onto the loading area Adhere to the Safety rules chapter page 13 and the Safety rules for transport section page 32 Do not tu...

Страница 38: ...hicle For safe attachment fully retract the arm and bucket and lower the boom until the bucket linkages touch the loading area Secure the chains and the dozer with wooden beams 2 Secure the excavator...

Страница 39: ...the excavator RG268 8135 6 37 01 2019 DESCRIPTION OF THE EXCAVATOR Dimensions The dimensions of the models KX027 4 and KX030 4 can be found in the following figures and tables R Q M L C A B G J I E F...

Страница 40: ...920 2420 350 350 3350 1200 4550 4570 4690 860 3 570 580 1500 1200 1380 1500 4560 3240 2870 2460 1950 2420 350 350 3370 1200 4570 4760 4880 860 KX027 4 A B C D E F G H I J K L M N O P Q R S U 1 570 580...

Страница 41: ...nce of a given engine g kWh 1018 0 Performance Swivel speed Swivel frame 1 min 9 8 Vehicle speed Travel speed km h 4 6 Low speed km h 2 7 Ground pressure without operator kPa kgf cm 24 0 0 24 25 1 0 2...

Страница 42: ...40 RG268 8135 6 01 2019 Description of the excavator These values are measured under specific conditions at maximum engine speed and can deviate depending on the operating situation...

Страница 43: ...min 9 8 Vehicle speed Travel speed km h 4 6 Low speed km h 2 7 Ground pressure without operator kPa kgf cm 24 7 0 25 25 8 0 26 Climbing performance degrees 36 20 Max lateral sway degrees 27 15 Dozer...

Страница 44: ...1 min 9 5 Vehicle speed Travel speed km h 4 5 Low speed km h 2 9 Ground pressure without operator kPa kgf cm 25 9 0 26 26 9 0 27 Climbing performance degrees 36 20 Max lateral sway degrees 27 15 Doze...

Страница 45: ...min 9 5 Vehicle speed Travel speed km h 4 5 Low speed km h 2 9 Ground pressure without operator kPa kgf cm 26 6 0 27 27 6 0 28 Climbing performance degrees 36 20 Max lateral sway degrees 27 15 Dozer...

Страница 46: ...or the equipment variants KX027 4 HI and KX030 4 HI Serial of the machine The machine s serial number 1 is stamped on the swivel frame near the swing bracket Identification of the engine The engine ca...

Страница 47: ...re parts catalogue Protective cover Filter wrench Spare fuse 2x50 A Guarantee Spare parts catalogue and guarantee can be kept together with the operating instructions page 11 The filter wrench must be...

Страница 48: ...46 RG268 8135 6 01 2019 Description of the excavator...

Страница 49: ...Swivel frame 2 Track frame 3 Cab 4 Operator s place 5 Cab door 6 Left service cover 7 Drive sprocket 8 Crawler 9 Idler 10 Dozer 11 Dozer cylinder 12 Swing block 13 Boom cylinder 14 Bucket 15 Bucket l...

Страница 50: ...4 HI KX030 4 HI 5 Reserve button KX027 4 HI KX030 4 HI 6 Rocker switch for auxiliary port 2 KX027 4 HI KX030 4 HI Description of the components of the left control console 1 Control lever lock To ent...

Страница 51: ...l flow to auxiliary port 2 Auxiliary port 2 can be controlled proportionally infinitely variable Drive levers and control pedals Drive levers and control pedals include the following components 1 Left...

Страница 52: ...rt connector 1 on the left hand side of the arm When you operate it again the oil flow discontinues You can therefore operate an attachment without having to continuously hold down the button 3 Travel...

Страница 53: ...6 Potentiometer for auxiliary port 2 KX027 4 HI KX030 4 HI The potentiometer can be used to variably adjust the flow rate on auxiliary port 2 as desired Display and control unit The display and contro...

Страница 54: ...9 Warning light The warning light flashes red when a system fault or technical malfunction occurs The warning light flashes yellow when the system issues a warning 10 Set clock indicator If the clock...

Страница 55: ...sure indicator The engine oil pressure indicator lights up when the oil pressure is below the reference value Other equipment at the operator s place Other equipment located at and around the operator...

Страница 56: ...artment 1 is located below the operator s seat be hind a cover plate Cup holder There is a cup holder 1 in the right control console 12 V socket A 12 V electrical outlet 1 is located on the right hand...

Страница 57: ...isolator is on the right vehicle side under the side cover Return change valve for direct return flow Depending on the mode of operation of a given attachment the re turn flow of the hydraulic oil mus...

Страница 58: ...The fill level monitor 1 is located to the left of the tank filler neck and it indicates the fuel level when refuelling Main fuses The main fuses 1 of the excavator are situated above the battery Rear...

Страница 59: ...the right control console Using the blower switch air volume can be adjusted at two levels LO and HI where level HI stands for max blower output The air is drawn in as fresh air from the right cab wal...

Страница 60: ...draulic oil tank contains the suction filter and the return filter 1 Oil fill opening for hydraulic oil 2 Breather filter 3 Hydraulic oil tank 4 Sight glass for hydraulic oil level Coolant radiator an...

Страница 61: ...igure below is positioned at the rear of the swivel frame it is covered by a lockable hinged cover 1 5 6 9 10 4 11 2 3 7 8 1 Air filter 2 Cooling fan 3 V belt 4 Oil filler opening 5 Alternator 6 Water...

Страница 62: ...60 RG268 8135 6 01 2019 Assembly and functions...

Страница 63: ...if applicable to enter the cab Always stop the engine when leaving the cab In exceptional cases e g for troubleshooting the cab can also be left with the engine running The operator must make sure tha...

Страница 64: ...o children in the manoeuvring area Before leaving the machine park it so that it cannot move When leaving the machine e g for breaks or at the end of work stop the engine remove the key and close the...

Страница 65: ...Working in the vicinity of underground power lines Before starting with excavation work the owner of the excavator or the person responsible for the work must check if there are any underground power...

Страница 66: ...display selector switch 1 until the desired indicator appears on the display Press the display selector switch 1 On the display the hours of operation are indicated for about 10 seconds Risk of injur...

Страница 67: ...switch 1 and hold down Press menu button 2 to reduce the numerical value Press display selector switch 1 to increase the numerical value To store the setting of the clock and to finish press the disp...

Страница 68: ...oose nuts and screws and leaks Check for any accumulated dirt adjacent to hot components e g engine muffler exhaust manifold tubes and remove if necessary Check for accumulated residues from leaves st...

Страница 69: ...l should be in the A area If the oil level is too low add en gine oil page 158 Coolant level check Check the level of the coolant in the expansion tank 1 The fluid level must be between FULL A and LOW...

Страница 70: ...e coolant radiator Particular care must be devoted to the space between the radi ators because foliage often collects at this point After cleaning check coolant radiator and hydraulic oil radiator for...

Страница 71: ...hanism is in the centre position Dozer is lowered to the ground Check the oil level in the sight glass 1 The oil level should be 1 2 to 3 4 of the way up the sight glass Care fully check the position...

Страница 72: ...ants section page 142 by applying grease until fresh grease emerges Swing bracket grease Lubricate both greasing points see figure to the right see the Recommended lubricants section page 142 by apply...

Страница 73: ...d Stop the engine remove the key Refer to the Operating the controls during excavation work section page 88 Lubricate all greasing points with grease see the Recommended lubricants section page 142 un...

Страница 74: ...es page 111 Check the function of the ventilation fan For the subsequent heating operation ensure that the heater valve is open in the engine compartment page 108 Check the function of the washer syst...

Страница 75: ...lock 3 Open the cab door by pulling at the door handle 1 and lock the door by attaching the hook 2 at the cab wall Closing the cab door Pull out release lever 1 and pull cab door shut until it latche...

Страница 76: ...the front window is locked Side window Pull the grip 1 to release the lock and pull side window open to the rear or to the front To close the side window slide it forward or backward until the lock sn...

Страница 77: ...achieved Seat height adjustment knee height To adjust the seat height turn the rotary knob figure above position 2 The seat height depends on the set ting of the level 0 I II III where level 0 is the...

Страница 78: ...at the rear view mirrors 1 are positioned properly and if necessary adjust the mirrors until optimum visibility is ensured Seat belt Buckle up the seat belt 1 Check that the seat belt is fastened tigh...

Страница 79: ...er sons in the vicinity of the excavator by briefly honking the horn Make sure that all operational controls are in the neutral position Starting the excavator is only allowed when the operator is sit...

Страница 80: ...left in the tank refuel excavator page 118 Raise the control lever lock Turn the starter switch to the START position and hold it there until the engine has started Release the starter switch Lower t...

Страница 81: ...fter starting and during operation The operator must observe the display indicators and displays after starting and during operation If the engine is to be stopped to take the excavator out of operati...

Страница 82: ...Check the cooling system for leaks if necessary contact skilled personnel Check if the V belt is very loose or broken if necessary contact skilled personnel Check if the air intake in the side panel t...

Страница 83: ...it there is only a little fuel is left in the tank refuel excavator page 118 Also stop the engine immediately if The engine speed rises or drops suddenly Abnormal noises are heard The excavating devic...

Страница 84: ...and verify whether there are holes or other potential obstacles Models KX027 4 HI and KX030 4 HI are equipped with an automatic switching mechanism controlled by the torque which automatically shifts...

Страница 85: ...they could cave in Drive slowly downhill do not allow the vehicle speed to in crease uncontrollably Close the cab door cab version When driving the bucket should be approx 200 to 400 mm A above the gr...

Страница 86: ...press the travel speed button 1 A tone sounds and the indicator 1 lights up Renewed operating of the push button travel speed switches back to normal speed Be sides audible signal sounds and the indi...

Страница 87: ...a right turn Turning on the spot Move the drive levers in opposite directions The tracks will turn in opposite directions The centre of the vehicle is its vertical axis A Turning on the spot to the r...

Страница 88: ...vator on gradients Lower the dozer onto the ground Dig the bucket as far as possible into the ground or lower it onto the ground Put the controls into neutral position Secure the excavator from moving...

Страница 89: ...reign objects lead to excessive crawler wear and can cause it to break The crawler can become blocked due to too much dirt and sand In this case reverse the machine a short distance in order to loosen...

Страница 90: ...e of the swivel frame After using the machine in water always grease the pins on the bucket and arm with grease until the old lu bricating grease emerges When digging in reverse make sure that the boo...

Страница 91: ...The figure shows in connection with the following table the func tions of the left and right control levers When working with the dozer operate both drive le vers with the left hand and the dozer cont...

Страница 92: ...e To lower the boom push the right control lever forward figure The boom moves as shown in the figure The hydraulic cylinder of the boom is equipped with a cushioning function which prevents the excav...

Страница 93: ...eration RG268 8135 6 91 01 2019 Operating the arm To dump the arm push the left control lever forward figure To crowd the arm pull the left control lever back figure The arm moves as shown in the figu...

Страница 94: ...crowd digging the bucket move the right control lever to the left figure To dump empty the bucket move the right control lever to the right figure The bucket moves as shown in the figure When crowding...

Страница 95: ...right press down on the right hand side of the boom swing pedal figure The figure details the swing movement No person is allowed to stand in the swivel area during the movement Swivel carefully to av...

Страница 96: ...can uncontrollably sputter away personal protective equipment is to be worn at all times safety shoes safety helmet eye protection ear protection and if necessary a breathing mask The use of a gravel...

Страница 97: ...gure below When operating the left pedal part figure there is an oil flow at the connector A figure below A Connector for left pedal part B Connector for right pedal part The auxiliary port pedal 1 ca...

Страница 98: ...an also set the operation settings Operating auxiliary port 1 KX027 4 HI KX030 4 HI The connectors for auxiliary port 1 and the rocker switch for auxiliary port 1 3 are illustrated in the figure Switc...

Страница 99: ...e key switch to the STOP position or lift the control lever lock One way hold operation KX027 4 HI KX030 4 HI Switching on Briefly push the one way hold switch 1 The oil flows on one side to auxiliary...

Страница 100: ...nd control unit and an operating mode has been selected pressing the display selector switch 1 shows the configured flow rate on the right auxiliary port connector and then on the left auxiliary port...

Страница 101: ...need to individually adjust the flow rate settings Upon changing the implement you need to determine and adjust the optimum flow rates for the new implement Setting auxiliary port 2 Press the auxilia...

Страница 102: ...r appears in the display Press and hold the display selector switch until the selected op erating mode s flow rate is shown on the display When the selected flow rate is shown on the display you can u...

Страница 103: ...n 2 Press and hold the display selector switch 1 to finish the flow rate setting Press the menu button 2 again to return to the normal display screen The example in the adjacent graphics shows that on...

Страница 104: ...9 Operation Setting the maximum flow rate Enable Auxiliary Port lit up flashing or lit up Auxiliary port left and right Flow rate setting 0 to 14 A Press and hold the display selector switch B Press a...

Страница 105: ...filter via the control valve and then to the hydraulic oil tank In this case return flow can occur via the left or right auxiliary port 1 connector of the arm depending on the position of the auxiliar...

Страница 106: ...andstill Turn the starter switch to the RUN position Lower the left control console 1 and make sure that the con trol lever lock 2 engages Move control levers 3 and 4 several times to limit stop in al...

Страница 107: ...ssure from auxiliary port 1 The set flow rate in the right auxiliary port connector and then in the left auxiliary port connector is indicated for few seconds in the dis play by pressing the display s...

Страница 108: ...on Releasing pressure from auxiliary port 2 Rotate potentiometer 1 clockwise and set to maximum flow volume Press the rocker switch for auxiliary port 2 several times in both directions The auxiliary...

Страница 109: ...vator for external damage and for leaks Any defects must be repaired before the next start In case of a heavy accumulation of dirt in the area of the tracks and the hinges on the front attachments cle...

Страница 110: ...A with lever 1 No cold outside air will follow and the circulating inside air heats faster To prevent the windows from steaming up while operating the heat er for extended periods of time the air inta...

Страница 111: ...order to increase the air pressure inside the cab This contributes to the fact that no dust penetrates into the cab Lasting circulating air mode leads to overtiring of the operator Circulating air mod...

Страница 112: ...wiper is off Press the switch 1 to the OFF position and hold it down The washer system runs for as long as the switch is held down Risk of personal injury When you turn the wiper on while the windscr...

Страница 113: ...position A Operating the rotary beacon accessories The starter switch is in the RUN position Press the rotary beacon switch 1 to the ON position The rotary beacon operates as long as the switch remain...

Страница 114: ...o sition Operating the battery isolator In order for the excavator to be operated the battery isolator 1 must be in the ON position A ON B OFF While working on public roads other road users must not b...

Страница 115: ...tch with graphite lubricant Grease the hinges on the cab door Fill the washer system with an antifreeze window cleaner page 116 Operation during the winter season The excavator must be cleaned after w...

Страница 116: ...the frame of the excavator first and then on the negative terminal of the help ing vehicle Disconnect the second jumper cable from the positive terminal of the excavator battery first and then from th...

Страница 117: ...engine failure or if malfunctions occur in the hydraulic system Turn the starter switch to the RUN position If necessary lower the boom and the arm with the control levers as described in the Operatin...

Страница 118: ...4 Open cover 2 of the coolant expansion reservoir 1 after en gine has cooled down The antifreeze strength of the coolant must be checked by an antifreeze tester The antifreeze strength must be between...

Страница 119: ...oir was completely emptied check the fluid level in the radiator as follows Open the side cover page 144 Remove the radiator cap 1 by turning it anticlockwise The coolant level should be at the lower...

Страница 120: ...te fill level monitoring When refuelling the excavator smoking an open flame or other sources of ignition are not allowed The danger zone has to be clearly marked with signs A fire extinguisher must b...

Страница 121: ...ox 60 s If the bleeding was insufficient the engine will stop again In this case repeat the procedure Replacing the fuses The signal breaks off completely if the flow rate is too low As soon as there...

Страница 122: ...over plate Fuse layout of the fuse box Observe the following fuse box layout 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20 18 10A 5A 30A 10A 15A 15A 5A 10A 10A 5A 10A 5A 5A 30A 5A 15A 15A 15A 15...

Страница 123: ...ith water and a commercial cleaning agent Make sure no water gets into the elec trical system Use a plastic cleaner for plastic parts Before cleaning shut down the engine and secure it against startin...

Страница 124: ...machine However it cannot prevent theft completely If the starter switch is set to STOP the indicator light 1 is illuminat ed indicating the activation of the anti theft system Make sure that the indi...

Страница 125: ...al will sound for 30 seconds The signal will continue to sound even if the starter switch is turned to the STOP position again or the key is removed within this time period When a key registered for t...

Страница 126: ...sons in the vicinity of the excavator by briefly honking the horn Make sure that all operational controls are in the neutral position Starting the excavator is only allowed when the operator is sittin...

Страница 127: ...n key into RUN position to complete the registration process 9 One after the other insert all registered black keys into the starter switch and check whether the engine can be started using these keys...

Страница 128: ...126 RG268 8135 6 01 2019 Operation...

Страница 129: ...tor calls for the bucket to be raised the operator may not stand in the area of the front attachments unless the front attachments are secured against inadvertent lowering by suitable measures Trouble...

Страница 130: ...ter restricted Change the suction filter in the hy draulic oil tank page 163 Hydraulic hoses or connections are leaking Must be replaced Inform your KUBOTA dealer Auxiliary port 1 KX027 4 HI KX030 4 H...

Страница 131: ...el add en gine oil if necessary page 158 Fuel quality is low Use fuel according to EN 590 or ASTM D975 Coolant lines corroded Must be replaced Inform your KUBOTA dealer Constant operation at full capa...

Страница 132: ...excava tor 3 Maintenance required soon notice This message means that regular maintenance is due shortly Operate the machine as usual Ask your KUBOTA dealer about the rel evant parts Run the maintenan...

Страница 133: ...heck the hy draulic system for leaks if necessary inform your KUBOTA dealer 16 Charging system error red The charging sys tem has devel oped a fault Check the V belt If the V belt is OK let the engine...

Страница 134: ...be operated but auxiliary port 2 will not function Inform your KUBOTA dealer im mediately 25 Overvoltage red This is a warning that a higher volt age from a 24 V battery for exam ple is being ap plie...

Страница 135: ...Troubleshooting RG268 8135 6 133 01 2019...

Страница 136: ...134 RG268 8135 6 01 2019 Troubleshooting...

Страница 137: ...le for example suitable working clothes safety shoes safety helmets eye protection ear protection and breathing masks The owner employ er bears the main responsibility for the PPE which is specified b...

Страница 138: ...is already indicated on the display The servicing identified with must be carried out once the specified hours of operation after initial commissioning have been reached In addition to the indicator...

Страница 139: ...Maintenance RG268 8135 6 137 01 2019...

Страница 140: ...lic oil level Check Daily 69 Water separator Check Daily 69 Bucket bolt and bucket linkage bolt Grease Daily 70 Lubri cate the front end at tach ments Swing bracket Grease Daily 70 Other greasing poin...

Страница 141: ...Check Daily 69 Water separator Check Daily 69 Bucket bolt and bucket linkage bolt Grease Daily 70 Lubri cate the front end at tach ments Swing bracket Grease Daily 70 Other greasing points Grease Dai...

Страница 142: ...250 h 156 Engine oil and oil filter Change 500 h 157 Drive unit oil 3 Change 500 h 158 Fuel filter Change 500 h 159 Return filter 2 Change 500 h 160 In line filter Change 1000 h 164 Hydraulic oil and...

Страница 143: ...7 Drive unit oil 3 Change 500 h 158 Fuel filter Change 500 h 159 Return filter 2 Change 500 h 160 In line filter Change 1000 h 164 Hydraulic oil and suction filter 2 Change 1000 h 163 Fresh air filter...

Страница 144: ...40 Shell Rimula R4L Coolant SAE J1034 MB 325 0 ASTM D3306 D4985 ROWE Hightec Antifreeze AN G48 37 C Always use distilled water to mix with anti freeze Always follow the rec ommendations of the coolan...

Страница 145: ...h a sulphur con tent exceeding 1 00 These lubricants are used by the manufacturer for the initial filling Only use fuels with a maximum sulphur content of 10 mg kg 20 mg kg at the last distribution po...

Страница 146: ...gine compartment cover and press it into the lock Turn the key anticlockwise to lock the engine compartment cover Pull out the key Opening closing the side cover Insert the key into the lock 3 on the...

Страница 147: ...ent cover page 144 Press down on catch lever 1 A Swivel the ventilation grille 3 to the right To close lift the locking device 2 out of the locking mecha nism B and swivel the ventilation grill to the...

Страница 148: ...frame at the back right Place a container with a minimum capacity of 50 litres under the fuel drain plug Close drain valve 1 A Unscrew the plug 2 Open drain valve B and drain the water Close the drain...

Страница 149: ...when cleaning the positive terminal 1 risk of short circuit Do not use metal tools Do not open maintenance free batteries Battery acid is very caustic Avoid contact with battery acid under all circums...

Страница 150: ...off the cable clamp 1 Move the clamp to the side so as to avoid contact with the negative terminal Remove the positive terminal cover and take off the cable clamp 3 Move the clamp to the side so as to...

Страница 151: ...el as shown in the figure Lower the front attachments on the ground and raise the exca vator approx 200 mm off the ground on one side Support the excavator with appropriate backing material observing...

Страница 152: ...figure Crawler sag A 80 85 mm If the crawler sag is more than 85 mm adjust the crawler If necessary tighten or loosen the crawler Start the excavator and rotate the lifted crawler briefly Recheck the...

Страница 153: ...tension if necessary Water separator cleaning Open the engine compartment cover page 144 Turn the cock 3 to the OFF position Unscrew retainer 1 while holding on to the cup 2 Remove the cup Do not uns...

Страница 154: ...le the components 1 to 6 in this exact order Tighten retainer 6 manually do not use tools Switch the shutoff valve to the ON position Bleed the fuel system page 119 Check the water separator for leaks...

Страница 155: ...amage If there is too much soiling or damage the fresh air filter must be replaced page 164 Cleaning Grease at each 90 position of the swivel bearing Us ing the grease gun apply 5 shots at every posit...

Страница 156: ...only be replaced by skilled personnel in the framework of the corresponding ser vice period Clean the outer filter element with compressed air max 5 bar from the inside out without damaging the filter...

Страница 157: ...have the hoses replaced by trained personnel Close the engine compartment cover Fuel lines and air intake hoses check Open the engine compartment cover page 144 Check all accessible fuel lines 1 and c...

Страница 158: ...belt 1 by swinging the alternator 3 Tighten the fastening screw 4 Press in the V belt at position A The V belt must give way for approx 7 9 mm pressure 6 7 kg Tighten the fastening screw 2 Close the...

Страница 159: ...g ring of the new oil filter with engine oil Install and tighten the oil filter by hand Do not use the filter wrench To perform the following tasks the dozer and boom must be positioned in the forward...

Страница 160: ...inutes Pull out the oil dipstick 1 and wipe it with a clean cloth Insert the oil dipstick completely and pull it out again The oil level should be in the A area If the oil level is too low add en gine...

Страница 161: ...filter cartridge change Open the engine compartment cover page 144 Turn the cock 1 at the water separator to the OFF position Remove the fuel filter 2 Wet the rubber seal of the new filter with fuel I...

Страница 162: ...support assembly into the hydraulic oil tank over the return pipe Check the condition of the sealing ring on the cap change it if necessary Insert the cap with the guide into the filter support and ti...

Страница 163: ...f way Lower the dozer onto the ground Open the side cover page 144 Hydraulic oil drain Place a container with a minimum capacity of 50 l under the hy draulic oil drain plug Remove the drain plug 1 and...

Страница 164: ...below position 1 Screw the breather filter into the cap tightly by hand Start the excavator and operate all control functions Extend the hydraulic cylinders for the boom arm and bucket halfway Extend...

Страница 165: ...ipe and hose lines of the heater must be checked for condition cracks bulging hard spots and tight fit If any defects are found during the inspection please consult your KUBOTA dealer Only trained per...

Страница 166: ...ilter 1 from the support Insert a new fresh air filter Close the cover Pay attention to utmost cleanliness when servicing the hydraulic system The replacement procedures are explained with the LH cont...

Страница 167: ...outer filter element Close the cover with the TOP mark facing up Then lock the braces Close the engine compartment cover Pilot circuit filter change Open the engine compartment cover Remove the screw...

Страница 168: ...cate the new sealing ring with clean hydraulic oil and in sert it carefully so as not to damage the sealing ring Insert a new filter element Screw in the filter cup and tighten it by hand Start the en...

Страница 169: ...pletely Flush out the cooling system if the coolant is very dirty To do this spray water without additives into the cooling system with a hose through the filler opening until clear water emerges from...

Страница 170: ...expansion tank cover Close the radiator cap Start the engine and let it idle to warm up Stop the engine Check the coolant level top up if necessary Close the side cover Close the engine compartment co...

Страница 171: ...0 M 14 107 9 125 5 11 0 12 8 123 6 147 1 12 6 15 0 166 7 196 1 17 0 20 0 M 16 166 7 191 2 17 0 19 5 196 1 225 6 20 0 23 0 259 9 304 0 26 5 31 0 M 20 333 4 392 3 34 0 40 0 367 7 431 5 37 5 44 0 519 8 5...

Страница 172: ...ch size Torque in Nm Pipe size Thread 17 30 35 6x1 M12x1 5 17 30 35 8x1 M14x1 5 19 40 45 10x1 5 M16x1 5 22 60 65 12x1 5 M18x1 5 27 75 80 15x1 5 M22x1 5 30 90 100 16x2 M24x1 5 32 110 120 18x2 M26x1 5 3...

Страница 173: ...appraisal and evaluation neutral and must not be influenced by personal eco nomic or operational interests The inspection is a visual and functional check of all components for condition and complete...

Страница 174: ...172 RG268 8135 6 01 2019 Safety inspection...

Страница 175: ...have a sufficient load bearing capacity for the weight of the excavator The storage place must be frost free dry and well ventilated Measures before taking out of service Clean and dry the excavator t...

Страница 176: ...rom the piston rods of the hydraulic cylinders Install the battery page 148 Check the safety devices for proper operation Carry out the pre operational services page 66 If defects are detected during...

Страница 177: ...e lifting conditions are As well as the lifting conditions the length of the arm also affects the permitted lifting capacities and the sta bility of the machine Compare the dimensions of the machine a...

Страница 178: ...h as to guarantee the optimum field of vision between the operator and the guide the person who fastens the lifting rope to the lifting attachment The lifting attachment is to be positioned so that th...

Страница 179: ...ceed the values indicated in the lifting capacity tables Always observe the maximum permissible lifting capacity of the hoisting gear e g load hooks Lift ing loads over the maximum permissible lifting...

Страница 180: ...RG268 8135 6 01 2019 Lifting capacity of the excavator Max lifting capacity when rotating up to 360 KX027 4 canopy arm 1050 mm and arm 1300 mm Lift point height Lift point Lift point radius Vertical a...

Страница 181: ...Lifting capacity of the excavator RG268 8135 6 179 01 2019 KX027 4 cab arm 1050 mm and arm 1300 mm KX030 4 canopy arm 1100 mm and arm 1300 mm CW 250kg 2 24m LD X kg Z2 Z1 Z3 Z3...

Страница 182: ...T POINT RADIUS mm Mini mum 1500 2000 2500 3000 3500 Maxi mum 4000 3500 6 2 0 64 3000 5 7 0 58 2500 5 5 0 56 2000 6 5 0 67 5 9 0 60 5 5 0 56 1500 10 9 1 11 7 8 0 80 6 5 0 66 5 8 0 59 1000 9 1 0 93 7 1...

Страница 183: ...0 40 3 4 0 35 500 6 3 0 64 4 8 0 49 3 9 0 40 GL 0 8 7 0 89 6 2 0 63 4 7 0 48 3 8 0 39 500 11 8 1 20 14 2 1 44 8 8 0 89 6 1 0 63 4 7 0 48 1000 17 7 1 81 14 8 1 51 8 8 0 90 6 2 0 63 4 8 0 48 1500 10 1...

Страница 184: ...GL 0 9 1 0 93 6 4 0 66 5 0 0 51 4 0 0 41 500 11 8 1 20 14 2 1 44 9 2 0 93 6 4 0 65 4 9 0 50 1000 17 7 1 81 14 8 1 51 9 2 0 94 6 4 0 66 5 0 0 51 1500 10 1 1 03 7 7 0 79 5 5 0 56 2000 2500 MODEL KX027 4...

Страница 185: ...GL 0 7 7 0 78 5 4 0 55 4 1 0 42 3 3 0 34 500 8 0 0 82 10 0 1 02 7 6 0 78 5 3 0 54 4 1 0 42 3 3 0 34 1000 11 8 1 20 13 4 1 36 7 7 0 78 5 3 0 54 4 1 0 42 1500 16 4 1 68 13 1 1 34 7 8 0 79 5 4 0 55 4 2...

Страница 186: ...0 2500 3000 3500 4000 Maxi mum 4000 3500 3000 3 8 0 39 2500 3 8 0 39 3 7 0 38 2000 4 2 0 43 3 7 0 38 1500 7 3 0 74 5 6 0 57 4 6 0 47 3 7 0 37 3 0 0 30 1000 8 4 0 86 5 9 0 61 4 5 0 46 3 6 0 37 2 9 0 30...

Страница 187: ...0 2 1 04 7 8 0 79 6 3 0 65 GL 0 13 8 1 41 10 2 1 04 7 9 0 80 6 3 0 65 500 13 4 1 37 15 1 1 54 12 7 1 30 9 6 0 98 7 5 0 77 5 9 0 61 1000 19 2 1 96 14 7 1 50 11 0 1 12 8 5 0 87 6 6 0 68 1500 10 8 1 10 8...

Страница 188: ...2 1 04 7 8 0 79 6 3 0 65 GL 0 13 8 1 41 10 2 1 04 7 9 0 80 6 3 0 65 500 13 4 1 37 15 1 1 54 12 7 1 30 9 6 0 98 7 5 0 77 5 9 0 61 1000 19 2 1 96 14 7 1 50 11 0 1 12 8 5 0 87 6 6 0 68 1500 10 8 1 10 8...

Страница 189: ...0 80 6 3 0 65 5 2 0 53 500 11 6 1 18 13 7 1 40 13 4 1 37 9 9 1 01 7 7 0 78 6 1 0 63 1000 16 3 1 67 17 0 1 73 11 9 1 22 9 0 0 92 7 0 0 72 5 4 0 55 1500 22 1 2 25 13 3 1 36 9 7 0 99 7 4 0 76 5 6 0 57 2...

Страница 190: ...80 6 3 0 65 5 2 0 53 500 11 6 1 18 13 7 1 40 13 4 1 37 9 9 1 01 7 7 0 78 6 1 0 63 1000 16 3 1 67 17 0 1 73 11 9 1 22 9 0 0 92 7 0 0 72 5 4 0 55 1500 22 1 2 25 13 3 1 36 9 7 0 99 7 4 0 76 5 6 0 57 200...

Страница 191: ...hment from suddenly falling or the machine from tipping precariously when using the dozer to increase stability A pipe safety valve is located on the hydraulic port of the boom cyl inder 2 and arm cyl...

Страница 192: ...ire lifting equipment for your excavator contact your KUBOTA specialist dealer When changing from rubber crawlers to steel crawlers or from steel crawlers to rubber crawlers or when modify ing the len...

Страница 193: ...Accessories RG268 8135 6 191 01 2019...

Страница 194: ......

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