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Kubota U35-4 Operator'S Manual Download Page 116

94

LIST OF SCREENS

LIST OF SCREENS

LIST OF NORMAL SCREENS

No.

Message

Problem or failure

(What happened)

Machine behavior

(Provisional measure)

Correction

1

Glow screen

This screen indicates that
the glow lamp is on.

Wait until the glow mark
disappears. Then get the
engine started.

-

2

Default screen 

(normal)

This screen shows the
normal status. (Hour meter)

-

-

3

Default screen 

(normal) 

Tachometer (numeric) This screen shows the

normal status. (Numerical
display of tachometer
readings)

-

-

4

AUX port enable 

switch activated

AUX port enable screen

-

-

Summary of Contents for U35-4

Page 1: ...BAAEALAP0090 eps 1BAAEALAP0100 1BAAEALAP0100 1BAAEALAP0090 OPERATOR S MANUAL English Australia Code No RC788 8131 5 MODEL U35 4 U 3 5 4 PRINTED IN JAPAN KUBOTA Corporation 2013 READ AND SAVE THIS MANUAL ...

Page 2: ...ealth Administration Front 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 Operator Protective Guards of Top Guard Level I Revolutions Per Minute Roll Over Protective Structures Society of Automotive Engineers USA Two Pattern Selection System Auto Idle API A...

Page 3: ...re Warning lamp Battery charge Warning lamp Auto Idle AI Lamp Indicator lamp Glow Working light switch Horn Wiper Washer switch Diesel Hydraulic fluid Gear oil Grease Fast Slow Excavator Overhead movement toward the front Excavator Overhead movement toward the rear Boom up Boom down Arm up Arm crowd Bucket crowd Bucket dump Boom swing left Boom swing Right Dozer raise Dozer lower Operation directi...

Page 4: ...em It will give you long satisfactory service To obtain the 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 KUBOTA s policy to utilize as quickly as possible every advance in our research The immediate use of new techniques in the manufacture of produc...

Page 5: ... 16 When the Check up is Completed 18 Horn Switch 18 Light Switch 18 AUX Port Enable Switch 18 Auto Idle Control Switch 19 Throttle Potentiometer 19 Travel Speed Switch 19 CAB TYPE MACHINES 20 Wiper Washer Switch 20 Interior Lamp 20 Opening Closing of CAB Door 21 Opening Closing of Front CAB Window 21 Opening Closing of Side CAB Window 21 Emergency Hammer 21 AIR CONDITIONER 22 Air Flow 22 Air Cont...

Page 6: ...ON OF THE BOOM 35 OPERATION OF THE ARM 35 OPERATION OF THE BUCKET 36 UNIT SWING AND BOOM SWING OPERATION 36 Unit Swing Operation 36 Boom Swing Operation 36 AUXILIARY PORT OPERATION 37 Selecting the Action Modes 37 AUX Port Handling Procedure 38 Setting the Maximum Flow Volume 40 HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM 45 1 way or 2 way CIRCUIT SELECTION VALVE OPERATION 46 AUTO IDLE...

Page 7: ... 69 Cleaning Air Filter 69 Checking Air Conditioner Condenser 69 EVERY 250 SERVICE HOURS 70 Changing Engine Oil First Engine Oil Change after 50 Service Hours 70 Replacing Engine Oil Filter Cartridge First Engine Oil Filter Change after 50 Service Hours 70 EVERY 500 SERVICE HOURS 71 Drive unit Oil Change First Oil Change of the 50 hours 71 Replacing Fuel Filter Cartridge 71 Replacing Hydraulic Ret...

Page 8: ...nt of Refrigerant 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 Fuses 80 Fuse Capacities and Circuits 81 Auxiliary Electric 82 Slow Blow Fuse 82 TROUBLESHOOTING 83 OPERATION UNDER COLD WEATHER CONDITIONS 85 PREPARATION FOR OPERATION IN COLD WEATHER 85 PROCE...

Page 9: ...at belt when the machine is equipped with a ROPS OPG Top Guard Level I as this combination will reduce the risk of serious injury or death should the excavator be upset or falling objects occur Do not modify any structural members of the ROPS OPG Top Guard Level I by welding drilling bending grinding or cutting as this may weaken the structure If any component is damaged replace it Do not attempt ...

Page 10: ...operator must remain in the excavator seat during operation 13 Check levers pedals and all mechanical parts for correct adjustment and wear Replace worn or damaged parts immediately Check nuts and bolts regularly for correct torque 14 Keep your excavator clean Heavy soiling grease dust and grass can cause fires accidents or injuries 15 Use only KUBOTA authorized attachments 16 Before starting the ...

Page 11: ...cks will move in the opposite direction of the drive levers 5 Before operating the control lever make sure that the lamp under the auto idle control switch turns ON and OFF C Working 1 Do not operate or idle engine in a non ventilated area Carbon monoxide gas is colorless odorless and deadly If you experience the initial symptoms of low to moderate co poisoning which include the following stop ope...

Page 12: ...enerally are attracted to machines and the work they do 1 Never assume that children will remain where you last saw them 2 Keep children out of the work area and under the watchful eye of another responsible adult 3 Be alert and shut your machine down if children enter the work area 4 Never carry children on your machine There is not a safe place for them to ride They may fall off and be run over ...

Page 13: ... so that oil will not squirt out 1 Before doing work on the engine the exhaust system the radiator and the hydraulics let the excavator cool down sufficiently 2 Always turn off the engine when filling the fuel tank Avoid spilling and over filling of fuel 3 Smoking is prohibited while refueling or handling the battery Keep sparks and fire away from the fuel tank and battery Flammable gases escape f...

Page 14: ...aler where the machine was purchased or competent service shop The assembly must be done according to the KUBOTA work shop manual W S M for the product involved 17 When lifting the machine itself with an attachment place a safety block or safety post to prevent the machine from rolling over Keep the pilot control lock lever in the LOCKED position 18 Inspect ROPS OPG Top Guard Level I for damage an...

Page 15: ... the machine Clean all electrical connections and tighten all electrical connections as necessary A Inspect the exhaust system daily for any signs of leakage Check for broken pipes and muffler and also for loose or missing bolts nuts and clamps If any exhaust leaks or fractured parts are found repairs must be completed prior to operation A Always keep a multipurpose fire extinguisher on or near th...

Page 16: ...SAFE OPERATION 8 6 DANGER WARNING AND CAUTION LABELS ...

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

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

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

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

Page 21: ... 13 SAFE OPERATION ...

Page 22: ... danger warning and caution labels with new labels from your KUBOTA dealer 4 If a component with danger warning and caution label s affixed is replaced with new part make sure new label s is are attached in the same location s as the replaced component 5 Mount new danger warning and caution labels by applying on a clean dry surface and pressing any bubbles to outside edge 7 CARE OF DANGER WARNING ...

Page 23: ...shall however apply if the product has not been handled according to the instruction given in the Operator s Manual even it is within the warranty period The Product s described in this Operator s Manual are designed and manufactured only for the country in which they are initially wholesaled by KUBOTA or one of its affiliated companies Neither KUBOTA Corporation nor its affiliated companies provi...

Page 24: ...DEALER SERVICE 2 1 Engine serial No ...

Page 25: ...r cooled 4 cycle diesel engine with 3 cylinder Model name D1703 M DI E4 US1 D1703 M DI E4 US2 Total displacement cc 1647 Engine power SAE gross kW HP 18 5 25 Rated speed rpm 2200 Low idle speed rpm 1300 1350 Performance Unit swing speed rpm 8 5 Travel speed Fast km h mph 4 6 2 9 Slow km h mph 3 0 1 9 Ground pressure With operator kPa kgf 33 7 0 34 35 1 0 36 Climbing angle deg 58 30 Angle in case o...

Page 26: ...EPICTED CONTENTS 1 Bucket cylinder 2 Arm 3 Bucket link 2 and 3 4 Bucket link 1 5 Bucket 6 Swing bracket 7 Arm cylinder 8 Canopy 9 Seat 10 Swing frame 11 Boom cylinder 12 Dozer cylinder 13 Dozer blade 14 Boom 15 Cab 16 Drive sprocket 17 Track roller 18 Front idler ...

Page 27: ...arter switch 7 Display selector switch 8 LCD 8 Fuel gauge Coolant temperature gauge Hour meter Engine tachometer Glow indicator Warninglamp 11 Information switch 11 User setting switch 13 Horn switch 18 9 User setting switch Switch 1 10 Switch 2 11 AUX port enable switch Switch 3 12 Information switch Switch 4 13 Display selector switch Switch 5 Light switch 18 AUX port enable switch 18 Auto idle ...

Page 28: ...left 3 Boom swing pedal 4 Drive lever right 5 Attachment control lever right 6 Dozer control lever 7 Drive pedal left 8 Drive pedal right Ref page Drive lever left 31 Attachment control lever left 35 36 36 35 Boom swing pedal 36 Drive lever right 31 Attachment control lever right 35 36 36 35 Dozer control lever 33 ...

Page 29: ...BELS in SAFE OPERATION section Inspect ROPS OPG Top Guard Level I for damage and if damage is found contact your KUBOTA dealer for repair CHECKING THE DEVICES BStarter Switch A STOP The key can be inserted at the STOP position A RUN Turn the key one click from the STOP position to the RUN position All the circuitry gets energized to start preheating The glow indicator is displayed To check for any...

Page 30: ... Normal Operation C Fuel gauge To avoid personal injury or death A Before adding fuel be sure to stop the engine A Be sure to keep open flame away from the machine Otherwise a fire may result With the starter key at the RUN position the fuel remaining in the fuel tank is indicated in the block If the fuel runs short open the cap and refuel the tank A If the fuel gauge indicator is near the E or th...

Page 31: ...n to the buzzer sound for a rough estimate of the fill up progress C Coolant Temperature Gauge To avoid personal injury or death A Do not open the radiator cap during or just after operation Hot coolant may gush out and scald you Wait for the coolant to cool down before opening the cap With the starter key at the RUN position the coolant temperature is indicated If the coolant temperature indicato...

Page 32: ... onscreen Also the following message shows up on the LCD and the engine automatically starts idling Acceleration is not operative If the above message appears take corrective measures referring to the Precautions in case of Overheat section A When the coolant temperature has dropped acceleration can be automatically enabled C Hour meter Indicates the total operating hours of the machine How the in...

Page 33: ... buzzer will beep See LIST OF SCREENS section for detail A Consult your local KUBOTA dealer from details concerning care and maintenance BLCD 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 A After a short period of time the display comes back to normal A After a short period of time the message s...

Page 34: ...t your local dealer for repair C Various error warnings If any components are detected to be in trouble the following message or similar appears onscreen See LIST OF SCREENS section For Example C Information A mark may appear together with a warning message If such occurs the details can be checked by pressing the information switch When contacting your local dealer for repair notify them of the i...

Page 35: ...te will be selected in this order Select an item to readjust Press the switch Switch 2 and the numeric setting will be smaller Press the switch Switch 3 and the numeric setting will be larger Hold down the or switch and the numeric setting will change quickly Press the switch Switch 4 and the year month day hour and minute will be selected in this order 4 Save the new setting with the switch Switc...

Page 36: ... when the battery is disconnected the following message appears onscreen Press the switch 5 to set the clock again A When the user setting switch Switch 1 is pressed on the clock setting screen the clock is not readjusted and returns to the previous menu screen BReordering the year month day and Changing the AM PM System to the 24 hour One 1 On the user setting screen select Various Settings 2 Sel...

Page 37: ... switch 1 to make the menu appear onscreen 3 Press the switch 2 and 3 to select the log record Fix this choice with the switch Switch 5 4 Press the switch 5 to make the calendar appear onscreen Press the switch 2 and the log records machine s operating days and operating hours for the last month and the month before last 90 days ago can be reviewed The highlighted days indicate when the machine wa...

Page 38: ...riodic check interval has passed the message Periodic Check Passed shows up Immediately perform the specified servicing A The periodic check screen can also be preset to be made to disappear manually only To do this it is necessary to select Periodic Check on the user setting menu For make this setting contact your local dealer BIf All the Check Points are not Displayed at a Glance on a Single Scr...

Page 39: ...4 change every 250 hrs 2 Hydraulic oil every 1000 hrs 3 Air filter element Outer element replace every 1000 hrs Inner element every 1000 hrs 4 Fuel filter every 500 hrs 5 Engine oil filter every 250 hrs 6 Drive unit oil change every 500 hrs 7 Hydraulic return filter element replace every 500 hrs 8 Hydraulic suction filter element every 1000 hrs 9 Pilot filter replace every 1000 hrs 10 Idlor Track ...

Page 40: ...o the previous screen BHorn Switch BLight Switch When the starter switch is in position RUN the working light s and CAB light s will be switched on by pressing the switch C Night operation To avoid personal injury or death A When the working light and CAB light alone do not provide sufficient visibility prepare additional stationary artificial lighting and observe safety rules for night work BAUX ...

Page 41: ...ch The buzzer beeps twice and the travel speed changes from low to high The symbol lights up 2 Press the travel speed switch again and the buzzer beeps once and the travel speed changes from high speed to low The symbol goes out A When activating the travel speed switch it must be pushed down completely A Each time the travel speed switch is pressed the travel speed is switched between low and hig...

Page 42: ...er Washer Switch To engage the wiper turn on the switch for the wiper when the starter key is in the RUN position A further push on the switch will activate the washer system Even when the wiper switch is in the OFF position the washer switch functions if it is pressed A Do not activate the washer switch if the tank for the cleaning fluid is empty the pump can be damaged A Do not activate the wipe...

Page 43: ... grip 2 Hold the grips tightly with both hands Pull the grip slightly upward and toward yourself to let 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 grip to release the lock and pull side window open to the rear or to the front 2 To close the side wi...

Page 44: ...ot allow water to enter the fresh air port while washing the excavator BAir Control Vent C Front air outlet The front air outlets can be independently adjusted as required To defrost the windshield rotate the outlets toward the windshield A FRONT WINDOW B CHEST AREA C FOOT AREA D SIDE WINDOW E BACKWARD 1 Inlet selector lever A FRESH AIR INLET position B INNER AIR RECIRCULATION position C FRESH AIR...

Page 45: ...ial to the COOL or an intermediate position to achieve the desired temperature level A Be sure to close the door while the air conditioner is ON otherwise you may overload the compressor 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 dial to the COOL or an intermediate position to achieve the desired temperature level C D...

Page 46: ...er for more than 10 sec A If the engine does not start in 10 sec please wait 20 sec or more before attempting to restart STARTING THE ENGINE To avoid personal injury or death A The operator should not depend solely on the warning lamps but should always conduct the routine checks see MAINTENANCE Start the engine in the following manner 1 Before starting the engine make sure that all control levers...

Page 47: ...trol lock lever is set at the LOCKED position A When the engine starts the meter may momentarily turn off and a beep may sound This is not a problem STARTING THE ENGINE UNDER COLD CONDITIONS To avoid personal injury or death A Make sure that the pilot control lock lever is in the LOCKED position during warm up Start the engine in the following manner 1 Make sure the auto idle control switch is at ...

Page 48: ... 9 Start the engine of the helping machine and let it run for a while Start the excavator with the low battery 10 Disconnect the jumper cables in the reverse sequence Steps 8 7 6 11 Replace the vent caps A This excavator has a negative ground 12 Volt starting system A Use only the same voltage when using an auxiliary battery A Using a higher voltage will cause serious damage to the electrical syst...

Page 49: ...ng you scalded Make sure the radiator has cooled down enough before opening its cap If by any chance the coolant temperature rises close to or above the boiling point H on the water temperature gauge overheat condition take the following steps 1 Stop operating the machine Relieve the engine of any load 2 Do not shut off the engine suddenly Before shutting off the engine keep it idling under no loa...

Page 50: ...d which can cause damage and shorten the life of many components Pay attention to the oil change intervals and complete them sooner than later See REGULAR CHECKS AND MAINTENANCE WORK section for more details on the oil change intervals BAdjusting the Operator s Seat To avoid personal injury or death A Make sure that the seat is completely secured after each adjustment C Tilt adjustment Pull the ba...

Page 51: ...hands and body inside of the ROPS OPG Top Guard Level I protective A Do not touch the control levers and the pedals from outside the cab while the engine running BPilot Control Lock Lever To avoid personal injury or death A To avoid injuries check safety aspects all around the excavator A If the pilot control lock lever is pulled down the engine will fail to start Don t attempt to start the machin...

Page 52: ...de 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 speed from idling to an intermediate speed 2 Unlock the pilot control lock lever and pull in the bucket and hold the bucket about 20 to 40 cm above the ground A Front of the excavator 1 Pilot control lock lever A UNLOCK...

Page 53: ...xcavator forwards and vice versa The front of the excavator is the side where the dozer is located the drive sprocket is in the rear of the excavator TURNS To avoid personal injury or death A Do not change direction on steep slopes or the excavator could tip over A Before changing direction beware of people in the work area BPivot Turn A Movement as illustrated is done with the dozer blade in fron...

Page 54: ...cavator will turn in the direction of the arrow of the illustration below 2 Pull the left drive lever backward the excavator will turn in the direction of the arrow of the illustration below BSpin Turn When both drive levers are activated in the opposite directions both tracks will rotate with the same speed but in opposite directions The center of rotation is the center of the excavator B Travell...

Page 55: ...ELING DOWNHILL TRAVELING PARKING ON A SLOPE To avoid personal injury or death A When the excavator is parked or left unattended on a slope be sure to put the bucket on the ground and place 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 To float the doz...

Page 56: ...k to prevent accidental pattern change A Familiarize yourself with the pattern selected by operating slowly BPattern Change Position the pattern selector lever to the desired position 1 Pattern selector lever Two Pattern Selection System TPSS A Pattern A B Pattern B Lever Position Attachment Control Lever Left Attachment Control Lever Right Pattern A A B C D Boom down Boom up Swing left Swing righ...

Page 57: ...he 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 OF THE ARM Pull back the attachment control lever and the arm will be pulled in To move the arm out push the control lever towards the front A When pulling in the arm the movement may stop for a shor...

Page 58: ...en the boom swing function is not used BUnit Swing Operation 1 Move the control lever to the left and the upper structure will turn to the left 2 Move the control lever to the right and the upper structure will turn to the right BBoom Swing Operation 1 Flip the pedal lock up to unlock the pedal 2 Step on the left side of the pedal to swing the boom to the left 3 Step on the right side of the pedal...

Page 59: ...been factory set to three action modes You can select one of them Up to five action modes can be preset Each time the AUX port enable switch switch 3 is pressed the action modes change over one after another And the icon and action mode number on the screen change accordingly A When turning the starter key to the RUN position the action mode will return to the last action mode used ...

Page 60: ... the switch 4 Display in AUX 1 modes BAUX Port Handling Procedure 1 Turn the starter key to the RUN position Let the engine warm up after start up for approx 10 minutes under no load conditions 2 Lower the pilot control lock lever UNLOCK 1 Icon 2 Information mark 3 Information switch Switch 4 1 AUX Port 1 2 AUX Port 2 1 Starter switch A STOP B RUN C START 1 Pilot control lock lever A UNLOCK B LOCK...

Page 61: ...slow to fast movement of attachment Example If you move the AUX port knob halfway the attachment will move at approximately one half speed C One way hold Press the one way hold switch of the right attachment control lever and the oil continues to flow through the AUX port 2 Press this switch again or move the AUX port knob and the oil flow is interrupted A Even if the one way hold switch of the ri...

Page 62: ...display appears onscreen 2 Press the switch 2 or 3 to select AUX Flow Ctrl Set and then press the switch 5 3 Each time the switch 5 is pressed the mode number changes Select your desired setting mode number 4 Take the following steps to set the icons Each time the switch 4 is pressed the setting cursor arrow mark shifts position Move the cursor above the icon 1 User setting switch switch 1 1 Switc...

Page 63: ... action mode is skipped even if selected Take an example of the following settings AUX standard icon for action mode 1 Breaker icon for action mode 2 Disable icon for actions modes 3 4 and 5 Each time the AUX port enable switch switch 3 is pressed the display changes from action mode 1 action mode 2 to normal mode in this order Setting example 1 Switch 2 2 Switch 3 3 Icon 1 AUX Standard 2 Brush cu...

Page 64: ...e attachments might not be activated even when the bar level is still somewhat above the lowest position Or even when the bars of ports 1 and 2 are at the same level the same speed might not be achieved This does not indicate a machine problem however Readjust the bar to the optimum level according to your attachment manual A Suppose that the same attachment is mounted on another machine Even if t...

Page 65: ...normal screen C BUAUX port MAX Flow volume A When the AUX port is not used for a long period dirt particles can settle in the lower part of the AUX port lines When the plugs on the AUX port lines are removed to connect attachments drain approx 100 cc 3 4 oz of oil before making connections 1 Switch 1 AUX 1 port MAX flow volume Theoretical L min 60 5 MAX pressure MPa kgf cm 17 2 175 ...

Page 66: ...44 EXCAVATOR OPERATION ...

Page 67: ...hydraulic system How to release pressure trapped in the AUX port 1 Perform the above operations of 1 to 4 2 Turn ON the AUX port enable switch 3 Make sure that the flow volume in all the AUX ports is not minimized If the pressure is removed after minimizing the flow volume in the AUX port release pressure is not removed completely and the hose coupler may be unable to connect and disconnect 1 Pilo...

Page 68: ... equipment which needs a 1 way circuit will be used position the arrow by using the selector lever on the axis of the selection valve to the 1 way circuit position to reduce the back pressure 2 When equipment which needs a 2 way circuit will be used position the arrow on the axis of the selection valve to the 2 way circuit position 1 AUX port knob 2 Attachment control lever right A 1 way circuit A...

Page 69: ...ol levers are left in neutral for longer than four seconds If the control is activated the engine speed rises immediately to the preset rpm If the auto idle is not activated the throttle potentiometer can be utilized to control engine speed in a similar way to a conventional throttle control lever A It is possible that the auto idle may not function until hydraulic oil warms up in the cold weather...

Page 70: ...When pulling in the bucket for driving or transportation avoid hitting the dozer A Avoid collisions When moving the excavator pay attention that the dozer does not collide with obstructions such as boulders etc Such collisions shorten the life of the dozer and the cylinder substantially A Support the machine correctly When stabilizing the machine with the dozer lower the dozer to engage the full w...

Page 71: ... 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 could be damaged when swinging around the upper body A Make sure the ramps are of sufficient capacity and securely connected to the vehicle to support the machine safety throughout the loading unloading...

Page 72: ...aise the pilot control lock lever 9 Block the tracks with blocks and tie down the excavator B Towing the machine To avoid personal injury or death A When towing the excavator or pulling a load must be less than the strength of the towing line attached to excavator Not to be used for tie down or lifting the machine A Towing is only allowed over a short distance and at walking speed 1 Attach the tow...

Page 73: ...ables or straps must be fixed 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 an area where the balance can be easily maintained B Lifting Procedure for the Excavator To avoid personal injury or death A Do not use the hooks on the roof of canopy a...

Page 74: ...vators and the recommended tackle for lifting these loads are mentioned in the following table Choose components having enough strength Excavator Weight With CAB steel tracks Steel wire 6X24 4 Lifting 1 Lift slowly and safely 2 Do not enter 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...

Page 75: ...0 hrs 72 13 Radiator hoses and clamps check every 200 hrs 67 replace every 2 years 75 14 Air filter element Outer element clean every 200 hrs 67 2 replace every 1000 hrs 74 2 Inner element replace every 1000 hrs 74 2 15 Greasing swing ball bearing every 200 hrs 67 16 Fuel filter cartridge replace every 500 hrs 71 17 Engine oil filter replace every 250 hrs 70 18 Drive unit oil change every 500 hrs ...

Page 76: ...ery 500 hrs 72 13 Radiator hoses and clamps check every 200 hrs 67 replace every 2 years 75 14 Air filter element Outer element clean every 200 hrs 67 2 replace every 1000 hrs 74 2 Inner element replace every 1000 hrs 74 2 15 Greasing swing ball bearing every 200 hrs 67 16 Fuel filter cartridge replace every 500 hrs 71 17 Engine oil filter replace every 250 hrs 70 18 Drive unit oil change every 50...

Page 77: ...regulation 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 points Measures Hour meter indicator Interval Ref page 50 100 150 200 250 300 350 400 450 1 Air filter clean every 200 hrs 69 2 replace every 1000 hrs 2 2 Air conditioner condenser clean every 200 hr...

Page 78: ... and close the engine hood Turn the key counterclockwise to lock the hood BOpening Closing of the Side Cover 1 Open the engine hood first 2 Raise the catch lever to unlock the side cover 3 Push the side cover all the way forward and it will be held by a stopper 4 To close the side cover hold it up a little more and pull the stay to get it unlocked Lower the side cover until clicks into its closed ...

Page 79: ...under the CAB door BCup Holder BWhere to store the Grease Gun CANOPY type The grease gun is located under the seat CAB type The grease gun is located under the CAB door BWhere to keep Operator s Manual 1 Box for storage 1 Box for storage 1 Cup holder 1 Grease gun 1 Cover 2 Grease gun 1 Operator s manual storage 2 Rear cover ...

Page 80: ...vel in the recovery tank and fill up if necessary The coolant level should be between the marks FULL and LOW A Do not fill the recovery tank over the FULL marking A Do not fill with dirty or salty water BChecking Fuel Level To avoid personal injury or death A Stop the engine and remove the key before fuelling A Do not smoke while fuelling A By temperatures over 5 use No 2 D diesel fuel when temper...

Page 81: ...emove the key before checking the oil level A Before filling oil wipe away all sand and dust from around the oil port Make sure to use an identical type of hydraulic fluid A The excavator has been filled with hydraulic fluid before delivery See RECOMMENDED OILS section Do not mix different oils 1 Park the excavator on a firm flat and level surface Lower the attachments and dozer blade to the groun...

Page 82: ...n water hoses A Water leaks at joints or connecting points A Missing or damaged water hose protective sleeve or grommet A Loose mounting bolt damaged bracket A Do not touch the water hoses or the heater with your hand You may get burned A If the window fails to defrost in extreme conditions or becomes cloudy when dehumidifying the CAB remove moisture with soft cloth A Never block all of the air ou...

Page 83: ...achine A Do not wash the excavator with the engine running Water could enter the air filter and damage the engine Make sure that the air filter is kept dry A Remove the mud before washing the machine BGreasing Front Attachments without Bucket Pin and Boom Swing Fulcrum To avoid personal injury or death A First lower all attachments on the ground then stop the engine and remove the key A While grea...

Page 84: ...ket Pin Grease the marked grease fittings shown by arrows in the illustration below BGreasing Boom Swing Fulcrum Grease the marked grease fittings shown by arrows in the illustration below 1 Dozer cylinder boss 2 Dozer linkage pin ...

Page 85: ...uel will settle down in the water separator When such foreign substances are deposited set the water separator handle to the OFF position Loosen the retainer ring and remove the cup Then dump water in the cup Cleaning 1 Set the water separator handle to the OFF position 2 Loosen and remove the cup proper and clean its inside with light oil 3 Tighten up the cup proper A As water is collected the re...

Page 86: ...ion or dismounting the battery be sure to turn off the engine and turn the starter switch to the OFF position A When removing the battery always disconnect the negative ground cable first When installing a battery always connect the ground cable last This prevents a possible explosion caused by sparks A Always wear eye protection when working with the battery Mishandling the battery shortens the s...

Page 87: ...ort time When using a boost charged battery it is necessary to recharge the battery as early as possible Failure to do this will shorten the battery s service life 3 The battery is charged if the indicator display turns green from black 4 When exchanging an old battery for a new one a battery of equal specification C Direction for Storage 1 When storing the machine for long periods of time remove ...

Page 88: ...elt in the middle with a force of approx 58 8 to 68 6 N 6 to 7 kgf The belt tension is correct if it deflects about 9 to 11 mm When adjusting the fan belt loosen the lock nuts and turn the tension bolt in counterclockwise direction 2 Replace the fan belt if worn out cracked or torn When replacing the fan belt loosen the tension pulley 8 and alternator 2 A If the engine is run with a loose fan belt...

Page 89: ...t the central fitting 2 Grease at each 90 1 58 rad position of the swing frame Using the grease gun apply 5 shots at every position BInspection and Cleaning Air Filter Element Open the engine hood and remove the dust cover Take out only outer element clean the element case interior and reassemble During reassembly take care to install the dust cover so that its TOP mark arrow faces up wards Do not...

Page 90: ... under 205 kPa 2 1 kgf and the cartridge should 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 cleaning the air filter cartridge must be replaced BChecking Fuel Line and Intake Air Line 1 Check to see that all lines and hose clamps are tightened and no...

Page 91: ...irection to the filter s normal air flow A Do not 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 is very dirty replace the air filter BChecking Air Conditioner Condenser Check air conditioner condenser to be sure it is clean from debris 1 Air filt...

Page 92: ...ess of the service hours an engine oil change is due every 1 year BReplacing Engine Oil Filter Cartridge First Engine Oil Filter Change after 50 Service Hours 1 Replace the oil filter cartridge at the same time as doing the engine oil change 2 Remove the cartridge with the supplied filter wrench 3 Oil the O ring of the new oil filter cartridge lightly Then tighten the oil filter cartridge by hand ...

Page 93: ...drain plug again and fill with gear oil through the oil check port 3 Fill oil until it overflows out of the oil check port Oil change first oil change after 50 hrs then every 500 hrs or at least once a year 4 Use prescribed gear oil SAE 90 BReplacing Fuel Filter Cartridge To avoid personal injury or death A Keep fire away 1 Remove the filter with the filter wrench 2 Apply a light film of fuel to t...

Page 94: ...00 SERVICE HOURS Do all 50 100 200 250 and 500 hour servicing at the same time BReplacing the Hydraulic Pilot Filter Element To avoid personal injury or death A Before replacing the element wait long enough for the hydraulic fluid to cool down 1 Remove the bonnet left cover 2 Gradually loosen the oil filling plug on the tank to release the pressure in the hydraulic system 3 Remove the pilot filter...

Page 95: ...draulic tank and drain the oil 3 Remove the cover of the hydraulic tank 4 With a fork wrench or similar remove and replace the filter with new one 5 Retighten the drain plug and remove iron powder adhering to the magnet 6 Fill oil through the oil filling opening on the top side of the tank 7 let the engine run for approx 5 min and check the oil lever again A Should dirt deposits be in the hydrauli...

Page 96: ...ter Element Open the engine hood and remove the dust cover Remove and replace the outer element and inner element with new elements When reassembling install the dust cover so that its TOP mark arrow faces up wards A Shorten the replacement period if the machine is used in dusty or sandy areas EVERY 1500 SERVICE HOURS BChecking Fuel Injection Nozzle Injection Pressure Consult your local KUBOTA dea...

Page 97: ...d Hoses To avoid personal injury or death A Do not touch the coolant hoses or the heater with your hand You may get burned Replace air conditioner pipes and hoses every two years If the hoses or pipes are swollen hard or cracked they must be replaced earlier Consult your local KUBOTA Dealer for this service BReplacement of Radiator Hoses and Hose Clamps Replace radiator hoses and hose clamps every...

Page 98: ...coolant if necessary 5 The shipped machine has been filled with 50 anti freeze solution A Do not operate the engine without coolant A To fill the radiator system and the recovery tank use fresh water and anti freeze fluid A When the anti freeze is mixed with water the anti freeze mixing ratio must be less than 50 A Tighten the radiator cap properly If the cap is loosely or not properly fitted over...

Page 99: ...y part of the refrigeration circuit of the air conditioning system Consult your local KUBOTA Dealer for assistance and service A shortage of refrigerant reduces the air conditioner performance Check the following points If it is indicated that the amount of refrigerant is extremely low ask your dealer to inspect and charge C Checking procedure 1 Run the air conditioner in the following conditions ...

Page 100: ...tion see illustration After adjustment is completed Using the socket wrench tighten the grease fitting Tightening torque must be between 98 to 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 the track after every use A Should the track tension be high...

Page 101: ...he 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 the tension A Additionally following points are to be observed when adjusting rubber tracks 1 If the track loosen more than 50 mm readjust them 2 Check track tension 50 hours after initial use and readjust if necessary...

Page 102: ...ke sure to wear eye protection a helmet and protective gloves A During attaching and detaching chippings and burns may occur at the bolts or bushings These may cause severe injuries 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 operation safely when ...

Page 103: ... 5 Fuel Pump 13 Beacon 6 Electrical Outlet 14 Room Light 7 Engine Stop 15 ECU POWER 8 Meter B 16 Starter Signal 1 A C Controller B 12 Engine Stop 2 Blower Motor 13 Meter B 3 ECU AC 14 ECU B 4 Relay 15 Horn Switch 5 Alternator 16 Horn 6 Lever Lock 17 Work Light 7 Fuel Pump 18 Beacon 8 Wiper Washer 19 Room Light 9 Radio AC 20 ECU POWER 10 Electrical Outlet 21 Starter Signal 11 Compressor ...

Page 104: ... circuits for trouble and then replace with a new compatible slow blow fuse CAB CANOPY C Replacement procedure 80 Amp Slow blow fuse 1 Disconnect the negative cord of the battery 2 Remove the slow blow fuse case 3 Open the slow blow fuse case cap and covers then remove the bolts and draw out the slow blow fuse B 1 Auxiliary Electric 1 Slow blow fuse A B 80A Alternator C 50A Main Power 1 D 50A Main...

Page 105: ...runs sluggishly 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 cleaner Clean the air filter element Engine suddenly stops Low fuel level Check fuel and add if necessary Purge the fuel system Abnormal exhaust gas color Poor fuel Use high quality fuel Too ...

Page 106: ... 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 Pilot control lock lever in LOCKED position Bring pilot control lock lever into UNLOCK position Drive System Deviation of drive direction Blocked through stones Remove Track too loose or too tight Adjust accordingly AI Syst...

Page 107: ...ing ratio 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 The anti freeze acts as an anti corrosive it is not necessary to add an additive to the water and anti freeze mixture A See Coolant check under DAILY CHECKS in MAINTENANCE for radiator fill vo...

Page 108: ...chanisms under no load in order to circulate the hydraulic oil If the machine is stored for longer than 1 month do steps 1 and 2 once every month Periodic replacement of important component parts To ensure safety in operation you are strongly requested to inspect and service the machine at regular intervals For added safety ask your KUBOTA dealer to replace the following important component parts ...

Page 109: ...ter 1 Pilot filter Unload valve 1 4 Hydraulic hose Boom cylinder Control valve Boom cylinder 2 5 Hydraulic hose Arm cylinder Control valve Pipe Boom 2 Pipe Boom Arm cylinder 2 6 Hydraulic hose Bucket cylinder Control valve Pipe Boom 2 Pipe Boom Bucket cylinder 2 7 Hydraulic hose Swing cylinder Control valve Swing cylinder 2 8 Hydraulic hose Dozer cylinder Control valve Rotary joint 2 Rotary joint ...

Page 110: ...se engine oil API service classification CF CF 4 or better and SAE 10W 30 3 Use SAE 90 API GL 4 GL 5 as drive unit oil for all seasons 4 Other than the oil mentioned below JCMAS HK certified oil and GK certified grease can also be used Check the Japan Lubricating Oil Society JALOS website for more details ...

Page 111: ...AE 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 engine type with internal EGR external EGR or non EGR and the fuel Fuel used Engine oil classification API classification Oil class of engines except external EGR Oil class of engines with external EGR U...

Page 112: ...ed on the machine with unloaded digging bucket Q C 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 U35 4 789 481 1700 4844 3397 3007 2013 900 3735 5281 K L M N O P Q R U35 4 371 371 2470 2480 1695 5165 4745 1479 2222 ...

Page 113: ...ing and other lifting accessories 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 mentioned in the lifting capacity tables are to be lifted A The values mentioned in the table are valid only on even hard grounds When lifting on soft ground the machine can ...

Page 114: ...92 LIFTING CAPACITY ...

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

Page 116: ...en This screen indicates that the glow lamp is on Wait until the glow mark disappears Then get the engine started 2 Default screen normal This screen shows the normal status Hour meter 3 Default screen normal Tachometer numeric This screen shows the normal status Numerical display of tachometer readings 4 AUX port enable switch activated AUX port enable screen ...

Page 117: ...Press Switch 5 to set the clock 2 Tilt up the lock lever This message indicates a procedural step Tilt up the pilot control lock lever This message disappears by tilting up the pilot control lock lever 3 Tilt down the lock lever This message indicates a procedural step Tilt down the pilot control lock lever This message disappears by tilting down the pilot control lock lever 4 Start the engine Thi...

Page 118: ...il pressure error The engine lubricating system oil pressure is too low Stop the engine The engine may get burnt out Immediately stop the engine Immediately contact your local dealer 12 Overvoltage This message appears if a jumper cable is connected to a 24V battery or improper device to get the engine started or if the alternator is in trouble Immediately interrupt the engine if with a 24V batter...

Page 119: ...at and other problems cannot be detected Immediately contact your local dealer 16 Lock lever system error The lock lever system is in trouble The engine can run but the machine fails to move Immediately contact your local dealer 17 Travel 2 speed system switching The 2 speed switching system is in trouble The machine still runs at low speed without switching to high speed The machine s other funct...

Page 120: ... AUX1 port system is in trouble The engine can get restarted and the machine can move but the AUX1 port system fails When the other systems than the AUX1 port system function the job can be continued Immediately contact your local dealer 24 Thumb system error The Thumb system is in trouble The engine can get restarted and the machine can move but the Thumb system fails When the other systems than ...

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