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Engine exhaust, some of its constituents, certain vehicle components and fluids, contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. KX057-5/U55-5 BB . D . 8 - 11 . 10 . AK...
UNIVERSAL SYMBOLS The instruments and operation elements have been marked with a series of symbols in order to simplify the operation of the machine. These symbols are listed below with their respective descriptions. Safety alert symbol Boom - up Warning lamp - “Fuel level too low” Boom - down System lamp Arm - up...
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Service indicator Menu switch Return switch Travel alarm cancel Camera Auxiliary port Auxiliary port - one-way hold Acknowledge Cancel Air conditioner...
INHIBIT DIESEL PARTICULATE FILTER (DPF) REGENERATION SWITCH............ 47 BEACON LIGHT SWITCH ..........................47 ELECTRICAL OUTLET............................47 CONTROL PEDALS AND LEVERS ........................49 HANDLING THE PILOT CONTROL LOCK LEVER.................... 50 CAB OPERATION........................51 OPERATING THE WIPER AND WASHER ......................51 INTERIOR LAMP ..............................51 KX057-5,U55-5...
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SWIVEL AND BOOM SWING OPERATION....................... 76 1. Swivel operation ............................76 2. Boom swing operation ..........................77 AUXILIARY PORT OPERATION ........................77 1. Selecting operation modes ........................77 2. Operating the AUX port ..........................79 2.1 One-way hold ............................. 81 KX057-5,U55-5...
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EVERY 200 SERVICE HOURS ........................114 1. Checking the radiator hoses and clamps ....................114 2. Greasing the swivel bearing ........................115 3. Inspecting and cleaning the air filter element ..................115 4. Cleaning the evacuator valve ........................116 KX057-5,U55-5...
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2. Draining the water separator ........................130 3. Cleaning the diesel particulate filter (DPF) ....................131 4. Cleaning the plastic parts and synthetic leather ..................131 OTHER ADJUSTMENTS AND REPLACEMENTS ..............132 PURGING THE FUEL SYSTEM ........................132 ADJUSTING THE TRACKS ..........................132 KX057-5,U55-5...
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LIFTING CAPACITY OF KX057-5 (CANOPY, RUBBER TRACK, STANDARD BLADE)........149 LIFTING CAPACITY OF KX057-5 (CANOPY, STEEL TRACK, STANDARD BLADE) ........150 LIFTING CAPACITY OF KX057-5 (CANOPY, WIDE STEEL TRACK, WIDE BLADE) ........151 LIFTING CAPACITY OF KX057-5 (CANOPY, RUBBER TRACK, ANGLE BLADE) ......... 152 LIFTING CAPACITY OF KX057-5 (CANOPY, STEEL TRACK, ANGLE BLADE)..........
• Study control lever pattern A and pattern B. Then choose the one which feels most familiar. Familiarize yourself with the pattern selected by operating the machine slowly and at low engine speed. – Engage the lever lock to prevent accidental pattern change. KX057-5,U55-5...
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I (OPG, top guard level I) working with the machine as such clothing can get with a seat belt is installed by Kubota. caught in rotating parts or control elements which The OPG (top guard level I), in accordance with can cause accidents or injuries.
• Never allow children to operate the machine even under adult supervision. • Never allow children to play on the machine or on the attachments. • Use extra caution when backing up. Look behind and down to make sure the area is clear before moving. KX057-5,U55-5...
– If possible, change into disposable or washable work clothes at the work site; shower and (1) Pilot control lock lever (A) UNLOCK change into clean clothing before leaving the (B) LOCK work site. KX057-5,U55-5...
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• To avoid sparks from an accidental short circuit, always disconnect the ground cable (-) of the battery first and reconnect it last. • Read and follow the instructions when starting with an auxiliary battery. (See STARTING WITH AN AUXILIARY BATTERY on page 59.) KX057-5,U55-5...
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Keep the pilot control lock lever in the LOCK position. • Inspect ROPS/OPG (top guard level I) for damage and if damage is found contact your Kubota dealer • To avoid environmental damage from acid and for repairs.
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– Always make sure that the engine is off and cool before removing the fuel cap to refuel the tank. Avoid getting fuel on any hot components. – Keep control of the fuel-filler-nozzle while refueling. – Never overfill the tank with fuel. Leave room for thermal expansion. KX057-5,U55-5...
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• Always carefully check machine after performing any maintenance or repairs. KX057-5,U55-5...
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– After use and pressure-washing, make sure there is nothing flammable near the exhaust pipe. Grass, twigs, or other organic debris under the hood may cause fire. KX057-5,U55-5...
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• Clean safety labels with soap and water, and dry with a soft cloth. • Replace damaged or missing safety labels with new labels from your Kubota dealer. • If a component with safety 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.
WARRANTY POLICY DEALER SERVICE DEALER SERVICE Your Kubota dealer is always ready to help so that your machine offers the best performance. After having carefully read these instructions, you will realize that much of the routine maintenance can be done by yourself.
SCRAPPING THE PRODUCT AND ITS PROCEDURE SCRAPPING THE PRODUCT AND ITS PROCEDURE To put the product out of service, follow the local rules and regulations of the country or territory where you reside. If you have questions, consult your local Kubota dealer. KX057-5,U55-5...
TECHNICAL DATA TECHNICAL DATA Kubota excavator Model name KX057-5 Angle blade type Type Canopy Canopy Operating weight (including operator's weight) kg (lbs.) 5600 (12350) 5705 (12580) 5815 (12820) 5920 (13050) Type Water cooled 4 cycle diesel engine with 4 cylinder...
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Kubota excavator Model name U55-5 Angle blade type Type Canopy Canopy Operating weight (including operator's weight) kg (lbs.) 5555 (12250) 5650 (12460) 5770 (12720) 5865 (12930) Type Water cooled 4 cycle diesel engine with 4 cylinder (Canopy) V2607-CR-E5-BH1 Model name...
If the indicator is near • Using a coarse cloth or rubbing too hard may “Empty” and the machine is operated on a damage the surface. slope, the engine may run out of fuel. KX057-5,U55-5...
3. While refueling the machine, listen to the buzzer to 2.4 Overheat warning know how much the fuel tank is filled. • If the coolant temperature becomes too high, the message appears on- “Water temp. is rising” screen for a certain period of time. KX057-5,U55-5...
The hydraulic oil temperature is indicated when the starter key is in the [RUN] position. 2.7 Temperature drop indication of hydraulic oil If the hydraulic oil temperature is too low at a start of (1) Hydraulic oil temperature gauge the engine, the following message appears. KX057-5,U55-5...
How it works: • The meter advances one hour after an hour of operation regardless of the engine rpm. 2.11 User settings NOTE : • If you have any questions, consult your local Kubota dealer. (1) Hour meter KX057-5,U55-5...
5. Rotate the jog dial to the right to select “Set date” , and press the jog dial. “Set time” (1) Menu switch 3. Rotate the jog dial to the right to select “Various , and press the jog dial. settings” (1) Jog dial KX057-5,U55-5...
2.11.3 Setting the display brightness The display brightness can be set to one of 10 levels. It is possible to register separate brightness settings for KX057-5,U55-5...
3. Rotate the jog dial to the right to select “Working , and press the jog dial. light turn-off delay” NOTE : • is the brightness setting for when the “Day” working light is off, and is the “Night” brightness setting for when the working light is on. KX057-5,U55-5...
2. Press the menu switch to make the menu appear 1. Press the menu switch to make the menu bar on-screen. appear on-screen. 3. Rotate the jog dial to the left to select “Log record” and press the jog dial to make the log record (the KX057-5,U55-5...
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• When the periodic check interval has passed, message “Periodic check shows Immediately notification” perform the specified servicing. • The periodic check screen can also be preset to only be made to disappear manually. For this setting, contact your local Kubota dealer. KX057-5,U55-5...
Every 1000 hrs Pilot filter ○ ○ ○ Every 1000 hrs Engine oil mist separator filter ○ ○ Every 1500 hrs Idler, track roller, grease Change ○ Every 2000 hrs ◎ represents the interval for the first servicing only. KX057-5,U55-5...
• If any warnings and problems are displayed, an alarm buzzer will beep. (See NAVIGATION SCREENS on page 169.) • Consult your local Kubota dealer for details concerning care and maintenance. (1) Charging lamp 4.3 Low engine oil pressure warning...
• When working on public roads, be careful not to blind other road users. 1. Set the starter switch to the [RUN] position. 3. Rotate the jog dial to the right to select the desired item, and press the jog dial. A detailed message appears on the display. KX057-5,U55-5...
When the engine speed has dropped to idle speed due to Auto Idle control, the Auto Idle indicator flashes. It is possible to freely readjust the actuator's maximum flow rate in the AUX operating mode. (See AUXILIARY PORT OPERATION on page 77.) KX057-5,U55-5...
The speed indicator light changes from the gravel. symbol to the symbol. • Press the travel speed switch again, the buzzer beeps once and the travel speed changes from high speed to low. The speed indicator light changes from the symbol back to the symbol. KX057-5,U55-5...
Max power is less than 120 W. • Depress the switch once to turn off automatic If you require additional auxiliary electricity, contact mode. your Kubota dealer for details. • Depress the switch once again to return from disable to automatic mode. KX057-5,U55-5...
(2) Attachment control lever (left)............74 (7) Attachment control lever (right)............74 (3) Drive pedal (left) (8) Dozer control lever [Angle blade type]........... 74 (4) Drive pedal (right) (9) Dozer control lever [Standard type] ..........74 (5) Boom swing pedal ................. 77 KX057-5,U55-5...
• When the machine is not in use or left unattended, place the pilot control lock lever in LOCK position. The pilot control lock lever is located on the left side. (1) Pilot control lock lever (A) UNLOCK (B) LOCK KX057-5,U55-5...
(3) Lower indicator activated and the cabin will start to warm up. The heater has three position. Washer 1. Set the starter switch to the [RUN] position. 2. Press the washer switch to activate the washer. KX057-5,U55-5...
• Other people should stay away when opening (1) Door knob (outside) the window. Closing To open and close the front window, take the following 1. Push the release lever down. steps: 2. Close the door. (1) Release lever (A) Push down KX057-5,U55-5...
• Make sure that the glass pane is properly engaged in the locking mechanism. If the glass pane is not locked securely, it can fall down and cause severe injuries. EMERGENCY HAMMER WARNING To avoid personal injury or death: (1) Grip KX057-5,U55-5...
2.1 Front air outlet (C) FOOT AREA (D) SIDE WINDOW The front air outlets can be independently adjusted as (E) BACKWARD required. To defrost the windshield, rotate the outlets Set the inlet selector lever to the desired position. toward the windshield. KX057-5,U55-5...
The air volume can be switched between 3 positions. At the [3] position, the maximum air volume is obtained. 4. Operation Heating 1. Adjust the blower ([1], [2] or [3]) switch and the temperature control dial to achieve the desired temperature level. KX057-5,U55-5...
• Check the condition of the safety labels. (See SAFETY LABELS on page 16.) • Inspect ROPS/OPG (top guard level I) for damage and if damage is found, contact your Kubota dealer for repair. • Check the Diesel Particulate Filter (DPF) muffler.
20 seconds or more, before attempting to restart. STARTING THE ENGINE WARNING To avoid personal injury or death: • The operator should not depend solely on the warning lamps, but should always conduct the routine checks. (See MAINTENANCE INTERVALS on page 95.) KX057-5,U55-5...
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(See AUTO IDLE (AI) OPERATION on page 87.) 5. Now make sure that the marks appear on-screen. If they do not appear, the system has malfunctioned. Contact your local Kubota dealer for repairs. 6. Turn the key to the [START] position and release it (1) Throttle potentiometer after the engine has started.
• Do not connect the black jumper cable to the negative (-) terminal of the machine's battery. • Wear eye protection and rubber gloves. IMPORTANT : • This machine has a negative (-) ground 12 V starting system. KX057-5,U55-5...
Do not start the engine while standing 2. Pull the pilot control lock lever all the way back to next to the machine. Before starting the engine, the LOCK position. sound the horn to get the attention of people standing nearby. KX057-5,U55-5...
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5. Enter a user password using the keypad. Once 4 • If the password has not been authenticated, digits have been entered, authentication the pilot lock lever does not unlock when commences. lowered, and all but a few of the electrical components are inoperable. KX057-5,U55-5...
7. Now make sure that the marks appear on-screen. If they do not appear, the system has malfunctioned. Contact your local Kubota dealer for repairs. 8. Turn the starter switch to the [START] position and release it after the engine has started.
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When starting the engine after registering or changing a user password, turn the starter switch to the [STOP] position, return it once again to the [RUN] position, and enter the user password. 3. Press the menu switch to make the menu bar appear. KX057-5,U55-5...
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7. Rotate the jog dial to select , and “User password” user password registering screen, press the jog dial. registration is not completed and returns to the previous menu screen. 8. Rotate dial select password numbers, and press the “Unregistered” jog dial. KX057-5,U55-5...
1. On the setting screen, select one “User password” of the previously registered password numbers. 2. Press the jog dial, and the following screen appears. 3. Rotate the jog dial to select , and press the “Change” jog dial. KX057-5,U55-5...
In the event of a forgotten machine password, it will no longer be possible to register, change, or delete 5. Changing the machine password user passwords. A Kubota dealer must set a new 1. On the screen, rotate the jog “Password settings”...
• Be sure to return the stop button to its original during operation. position after the engine stops. • In such cases, the machine must be checked and serviced by your local Kubota dealer. NOTE : If the engine stop button is activated, a message STOPPING THE ENGINE will appear on the display as shown in the following image.
(PM) that are contained in exhaust gases and to automatically burn (DPF regenerate) these matters. In the regeneration, buzzer sounds and warning light blink and display shows messages. Follow the instructions. (See AUTOMATIC DIESEL PARTICULATE FILTER (DPF) REGENERATION on page 175.) KX057-5,U55-5...
The the stoppers at the wall behind the seat (U55-5 seat will lock into position when the lever is released. only). Weight adjustment Turn the weight adjust lever to achieve the optimum suspension setting. KX057-5,U55-5...
Do not attempt to start the machine with the pilot control lock lever in the UNLOCK position. If the attempt is made, the following message appears on the display. (1) Seat belt (2) Socket (3) Button KX057-5,U55-5...
• Before starting the engine, make sure that no one is near the machine. • Before operating the machine, check the track direction (front idler and dozer blade to the front of the machine). 1. Adjust the engine speed from idling to an intermediate speed. KX057-5,U55-5...
• While traveling forward, bring the left drive lever (2) Dozer (B) Lower into the “NEUTRAL” position and the machine will turn in the direction of the arrow. See the following illustration. 1. Drive levers (right, left) WARNING To avoid personal injury or death: KX057-5,U55-5...
(A) Right spin turn UP AND DOWNHILL DRIVING • Pull the left drive lever backward and the machine WARNING will turn in the direction of the arrow. See the To avoid personal injury or death: following illustration. KX057-5,U55-5...
• Position the pattern selector lever (located on the right side of operator's seat) in either the lower position (pattern A) or the upper position (pattern B). • Engage the lever lock to prevent accidental pattern change. KX057-5,U55-5...
Boom up IMPORTANT : trol lever (right) Bucket crowd Bucket crowd • When lowering the boom, make sure that it Bucket dump Bucket dump does not hit the dozer and that the bucket teeth do not touch the dozer. KX057-5,U55-5...
OPERATION OF THE BUCKET • To dig using the bucket, move the right attachment control lever left from the “NEUTRAL” position. • Moving the control lever right moves the bucket outwards and empties its contents. KX057-5,U55-5...
AUX 1 and AUX 2 model. You can select one of them. Up to 5 operation modes can be preset. (See Setting the maximum flow volume on page 81.) 1. Press the menu switch to make the menu bar appear on the display. KX057-5,U55-5...
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No activation two-way No activation AUX (standard) No activation two-way No activation AUX (standard) No activation two-way NOTE : • When turning the starter key to the [RUN] position, the operation mode will return to the last operation mode used. KX057-5,U55-5...
(1) Starter switch (A) STOP (B) RUN (C) START 2. Lower the pilot control lock lever to the UNLOCK position. (1) Pilot control lock lever (A) UNLOCK (B) LOCK 3. Push the AUX port enable switch. (1) AUX port enable switch KX057-5,U55-5...
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• Move the AUX port knob of the attachment control lever (right) to the right to send oil to the AUX port 3. • Move the AUX port knob of the attachment control lever (right) to the left to send oil to the AUX port 4. KX057-5,U55-5...
• When the AUX port is not used for a long period port knob, and the oil flow is interrupted. of time, 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 KX057-5,U55-5...
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, and press the jog dial. setting” 3. Rotate the jog dial to the right to select “Flow , and press the jog dial. volume setting” 4. Rotate the jog dial to the right to select the desired mode, and press the jog dial. KX057-5,U55-5...
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(3) Clamshell (8) Thumb grapple (4) Auger (9) AUX (standard) (5) Grapple NOTE : • There is no relationship between the icons and the flow control settings. Select icons to suit the images of the attachments to be connected. KX057-5,U55-5...
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(B) AUX port 2 (C) AUX port 3 (D) AUX port 4 b. Rotate the jog dial to the right or left to set the bar graph to the desired level, and press the jog dial to confirm the selection. KX057-5,U55-5...
TRAPPED IN THE HYDRAULIC SYSTEM (1) AUX port enable switch WARNING To avoid personal injury or death: • Relieve residual hydraulic pressure immediately after the engine has stopped. 1. Lower the attachments and the blade down to the ground. KX057-5,U55-5...
(2) Mark (red) (B) Turn the left Make choice according to the type of machine. ONE-WAY OR TWO-WAY ANGLE BLADE OPERATION CIRCUIT SELECTION VALVE OPERATION WARNING To avoid personal injury or death: WARNING To avoid personal injury or death: KX057-5,U55-5...
• Before starting this job, make sure there is nobody below the boom. 1. Open the side cover. 2. Loosen the boom lowering valve nut located below the control valve boom block first and then the set screw slowly. KX057-5,U55-5...
• Do not crush concrete or boulders using side swings with the bucket. Also, avoid using side sweeps of the bucket to move earth piles. • Under all circumstances, avoid the following operations: – Excavation using the gravitational impact of the machine. KX057-5,U55-5...
To avoid personal injury or death: • After loading the machine on the truck, lower the bucket and dozer onto the truck bed. Prepare a platform to load or unload the machine. Take the following steps when using a ramp. KX057-5,U55-5...
LIFTING THE MACHINE WARNING To avoid personal injury or death: • Do not use the hooks on the roof of canopy and CAB for lifting the machine. KX057-5,U55-5...
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(2000 kg or heavier duty) (1) Cable or strap through the two openings at the boom top. Pass wire ropes through these shackles. KX057-5 Blade ends Standard blade Angle blade 52° or less 61°...
CAB, or other parts of the machine, leading to damage or malfunctions. – The water may cause damage to the rubber based components such as the tracks and the oils seals, to the decorative covers and other plastic-based components, or to the KX057-5,U55-5...
○ ○ 19 Fuel line and Intake air line Every 2 Replace years Every 500 20 Water separator filter element Replace ○ Every 500 21 Fuel filter cartridge Replace ○ Every 500 22 Engine oil filter Replace ○ (Continued) KX057-5,U55-5...
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Suction pipe downstream the Every 2 Replace AFS (air flow sensor) years Every 2 47 EGR cooler hose Replace years Service Plastic parts and synthetic Clean as re- leather quired * 500 through 3000 continued in the following table. KX057-5,U55-5...
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• The items marked as ◎ should be done after the first operation. • The items marked as (@) are registered as emission related critical parts by Kubota in the U.S. EPA nonroad emission regulation. As the engine owner, you are responsible for performing required maintenance of the engine, according to the above instructions.
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20 Water separator filter element Replace ○ ○ ○ Every 500 21 Fuel filter cartridge Replace ○ ○ ○ Every 500 22 Engine oil filter Replace ○ ○ ○ Every 500 23 Drive unit oil Change ○ ○ ○ (Continued) KX057-5,U55-5...
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When using a hydraulic hammer, change hydraulic oil and return filter according to the hydraulic oil change table. (See Checking the hydraul- ic oil (hydraulic hammer operation) on page 125.) Clean and replace the air filter more frequently if used in dusty conditions. When the filter is very dirty due to dusty conditions, replace the filter. Replace only if necessary. KX057-5,U55-5...
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• The items marked as ◎ should be done after the first operation. • The items marked as (@) are registered as emission related critical parts by Kubota in the U.S. EPA nonroad emission regulation. As the engine owner, you are responsible for performing required maintenance of the engine, according to the above instructions.
Air conditioner pipes and hoses Every 2 replace years Service as Refrigerant (gas) check required Clean and replace the air conditioner filter more frequently if used in dusty conditions. When the filter is very dirty due to dusty conditions, replace the filter. KX057-5,U55-5...
3. Storing tools 3. Lift the hood upwards until the stopper locks the gas spring into place. [KX057-5 and U55-5] The toolbox is located behind the left side cover, which Closing is located on the left side of the swivel frame.
(2) Left side cover 5. Where to store the grease gun [KX057-5 only] [KX057-5] has a second tool box which is located • Open the left side cover, and the grease gun inside the right side cover at the front.
• Make sure that the engine is turned off. (See PURGING THE FUEL SYSTEM on page • Do not open the radiator cap right after the 132.) engine has been stopped. It can cause serious burns on contact with escaping hot coolant fluid. KX057-5,U55-5...
(with engine oil filter) (1) Fuel tank cap (2) Fuel level audible indication switch 4. Checking the hydraulic oil level Fuel tank capacity KX057-5 73 L (19 U.S.gals) U55-5 66 L (17 U.S.gals) WARNING To avoid personal injury or death: IMPORTANT : •...
Check the V-belt for cracks and proper tension. (For details on releasing pressure trapped in the (See Adjusting the V-belt tension on page 118.) hydraulic tank see Replacing the breather filter on page 121.) KX057-5,U55-5...
Drop the stopper down to lock the condenser into place. c. Remove any dirt from the coolant radiator, oil cooler, condenser, and fuel cooler using (1) Dust cover compressed air or a hose. (2) Bolt d. Return all parts to their original positions. KX057-5,U55-5...
Always keep the tank filled. (1) Evacuator valve NOTE : • If evacuator valve missing damaged, the air cleaner does not function properly. Accordingly, its element's service life will get shorter. KX057-5,U55-5...
• While greasing, take care not to step on the (1) Bucket link pin bucket teeth. (2) Fixing pin between arm and bucket IMPORTANT : • When doing excavation work water, generously grease the following points. Grease once again after finishing the work. KX057-5,U55-5...
(See PURGING THE FUEL SYSTEM on page regularly and add distilled water as required so 132.) that the fluid level is between the [UPPER] and Water and dirt contained in fuel will settle in the water [LOWER] levels. separator. When deposits of such foreign substances KX057-5,U55-5...
• The factory-installed is a non-refillable type battery. If the indicator turns white, do not quick-charge the battery but replace it with a new one. 3.1 Battery charging WARNING To avoid personal injury or death: KX057-5,U55-5...
2. Remove the thumbscrew and the plate. 4. Greasing the swivel bearing teeth 1. Pump grease with the grease gun through the grease fitting. 2. Grease the fitting at each 90° (1.58 rad) position of the swivel frame. KX057-5,U55-5...
• Do not hit the filter. If the filter becomes deformed, dust enter conditioner, which may cause damage and malfunction. • Set the filter with the cushion facing upward and the V-flap facing outward. Incorrect setting shortens the filter's service life. (1) Hose clamp (2) Radiator hose KX057-5,U55-5...
(1) Grease fitting 3. Inspecting and cleaning the air filter element WARNING (1) Inner element (2) Outer element To avoid personal injury or death: (3) Dust cover • Wear eye protection when cleaning the air filter (4) Clamp element. KX057-5,U55-5...
1. Check to see that all lines and hose clamps are tightened and not damaged. 1. Open the side cover. (See Opening and closing the side cover on page 102.) 2. Remove the dust cover. 3. From behind the dust cover, remove foreign matter from the evacuator valve. KX057-5,U55-5...
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2. If hoses and clamps are found worn or damaged, replace or repair them at once. (1) Fuel line (2) Clamp band (1) Fuel line (2) Clamp band (1) Hose (2) Hose clamp (1) Fuel line (2) Clamp band (1) Hose clamp (1) Clamp band KX057-5,U55-5...
1.1 Checking and adjusting the fan belt tension IMPORTANT : • If the engine is run with a loose fan belt, the belt could slip cause insufficient battery charging. Check the fan belt tension regularly. KX057-5,U55-5...
• First, stop the engine, remove the key and then wait long enough for the oil to cool down. IMPORTANT : • Regardless of the service hours, the engine oil change is due every year. • Use engine oil API service classification CJ-4 or CK-4. KX057-5,U55-5...
500 hours or every Gear oil volume (0.2 U.S.gals) year, whichever comes first. IMPORTANT : NOTE : • Always check the oil level after exchanging the • Use prescribed gear oil SAE 90. filter. KX057-5,U55-5...
3. Push the button to release the pressure. • Users must take appropriate actions to 4. Unscrew the nut and remove the cover. insure fuel is not contaminated during the operation. If fuel is spilled, wipe around the filter. KX057-5,U55-5...
1. Open the side cover. (See Opening and closing the side cover on page 102.) 2. Unscrew the cap nut on top of the breather filter, and push the button to release the pressure. KX057-5,U55-5...
(See Opening and closing the side cover on page 102.) 3. Unscrew the cap nut on top of the breather filter, and push the button to release the pressure. (1) Return filter (2) Set bolt (3) Filter support (4) Breather filter KX057-5,U55-5...
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10. Fill with oil through the oil filling opening on the top side of the tank up to the center of the gauge. (1) Drain plug 5. Remove the suction filter lock pin and detach the suction filter. 6. Replace the filter with new one. 7. Retighten the drain plug. KX057-5,U55-5...
5. Checking the engine valve clearance 42 L Hydraulic tank (11.1 U.S.gals) Hydraulic oil volume Consult your local Kubota dealer for this service. 77 L Whole oil volume (20.3 U.S.gals) EVERY 1000 SERVICE HOURS 11. Reinsert the hexagonal plug into the hose.
EVERY 1500 SERVICE HOURS Carry out all the 50, 150, 250, and 500 hour servicings at the same time. 1. Checking the injector tip Consult your local Kubota dealer for this service. 2. Replacing the oil separator (1) Body element...
• If the hoses or pipes become swollen, hard, or cracked before 2 years has passed, replace them 2. Checking the exhaust manifold immediately. • Consult your local Kubota dealer for this service. (cracks, gas, leakage and mounting screw) 2. Replacing radiator hoses and Consult your local Kubota dealer for this service.
5 minutes. Stop the engine and remove NOTE : the starter key. • The shipped machine has been filled with 4. Check the coolant level of the recovery tank and 50% antifreeze solution. add coolant if necessary. KX057-5,U55-5...
(2) Clamp band them. 5. Replacing the intake air line Replace the hoses and clamps, if necessary. (See Checking the fuel line and intake air line on page 116.) (1) Fuel line (2) Clamp band (1) Hose (2) Hose clamp KX057-5,U55-5...
2. Look into the sight glass to see if the refrigerant is flowing through its circuit. 6. Replacing the oil separator rubber hose Consult your local Kubota dealer for this service. 7. Replacing the diesel particulate filter (DPF) differential pressure sensor rubber piping (front and back) Consult your local Kubota dealer for this service.
When the DPF cleaning time draws near, the message appears on the display. When “DPF cleaning soon” this message appears, clean the DPF. Consult your local Kubota dealer to clean the DPF. IMPORTANT : • To clean up the DPF, a specific machine is required.
Keep the pilot control lock lever in the IMPORTANT : LOCK position. • Should the track tension be high due to sticking mud, lift the track with the help of the boom, KX057-5,U55-5...
WARNING • Track seam. The ends of the rubber track are joined with a To avoid personal injury or death: seam. When adjusting the tracks, the seam KX057-5,U55-5...
• Do not loosen the grease fitting completely or • When other attachments are installed instead of too quickly. a Kubota specified bucket, read the attachment Otherwise grease under high pressure in the manual to perform safe operation. tension cylinder could squirt out.
• The main fuse protects the entire electrical system. If the main fuse or another fuse has blown, determine why it blew and make any necessary repairs. Never bridge fuses, always replace them with a new fuse of the same rating. KX057-5,U55-5...
Continuous operation • Reduce load. under full load Cylinder head gasket is • Replace. damaged (coolant loss). Engine oil level is too • Fill to the prescribed level. low. Maladjustment of fuel in- • Readjust the ignition timing. jection (Continued) KX057-5,U55-5...
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Drive sys- Deviation of drive Track is too loose or too direction • Adjust accordingly. tight. See AUTOMATIC DIESEL PARTICULATE FILTER (DPF) REGENERATION on page 175 and LOCKING AND RELEASING THE DIESEL PARTICULATE FILTER (DPF) REGENERATION on page 177. KX057-5,U55-5...
(32 ℉) mark. Operation of the machine is then not possible. • Store the machine in a dry place. If not possible, store on wooden planks or on mats. If the machine is kept on damp or muddy ground, the tracks could KX057-5,U55-5...
If the machine is stored for longer than 1 month, carry out steps 1 and 2 once every month. PERIODIC REPLACEMENT OF PARTS To ensure safe 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 parts. KX057-5,U55-5...
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Hydraulic hose (travel motor) Hydraulic hose (angle cylinder) DPF differential pressure sensor rubber piping (front and back) Suction pipe downstream the AFS (air flow sensor) To prevent serious damage to the hydraulic system, use only a Kubota genuine hydraulic hose. KX057-5,U55-5...
Grease Shell Alvania EP2 Mobilux EP2 Fuel Diesel fuel No.2-D S15 Fuel under -5 ℃ (23 ℉) Diesel fuel No.1-D S15 KTC is an abbreviation for Kubota Tractor Corporation. Application Viscosity recommends Shell Esso Shell Spirax Mobilube Gear oil...
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• Filters must trap fuel and lubricant sulfate additives (Zn, Pb, Na, K, Ca, Mg, Cu, Ba, P, and so on.) as ash during combustion. Fuel must be controlled carefully to prevent the additives being mixed into fuel such as fuel tank anti-oxidants, water remover, antifreeze and so on. KX057-5,U55-5...
• The Kubota Warranty, as specified in the owner's warranty information guide, only covers defects in product materials and workmanship. Accordingly, any problems that may arise due to the use of poor quality fuels that fail to meet the above requirements, whether biodiesel or mineral oil based, are not covered by the Kubota Warranty. Routine handling: •...
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Fuel line Replace Every 1 year Consult your local Kubota dealer for this service. Long term storage: • BDF easily deteriorates due to oxygen, water, heat and foreign substances. Do not store B6 through B20 longer than 1 month and B5 longer than 3 months.
The following cases are not covered by the warranty. Kubota will not be responsible for any burden of expenses. • If the engine fails because of the use of any fuel and/or fuel filter not recommended by Kubota or because of the negligence of specified servicing instructions, the end user will be responsible for all costs.
3. The bucket of the machine, the hook, the sling, and other lifting accessories are taken into consideration for the loads. The following illustration shows machine condition without the bucket and all the other conditions are according to standard regulations. (A) Lift radius (B) Lift point (C) Lift point height (D) Axis of rotation (E) GL KX057-5,U55-5...
If an error occurs in the machine, one of the following messages appears on the display. In case of trouble, immediately contact your local Kubota dealer for inspection and repair. To view detailed information, press the jog dial (does not apply to numbers 1 through 3).
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The fuel sensor system is ex- not appear on the meter. The Immediately contact your local periencing trouble. machine's other functions are Kubota dealer. still operative. Charging system error Charging system is experienc- The machine works until the Immediately contact your local ing trouble.
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The lock lever system is expe- The engine can run, but the Immediately contact your local riencing trouble. machine fails to move. Kubota dealer. Travel 2-speed system (switching) The machine still runs at low speed without switching to The 2-speed switching system Immediately contact your local high speed.
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This message appears 10 Periodic check (advance notice) hours before the periodic Ask your local Kubota dealer check interval. for relevant part and replace The list of related components the existing part with it. After Start the engine as usual.
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DPF regenera- eration because the inhibited tion. If this message still ap- switch is activated. pears, immediately contact your local Kubota dealer. Regen. inhibition. Release it. The DPF must be regenerat- Move the machine to a safe...
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The engine can still start, but Contact your local Kubota you must immediately contact The DPF needs cleaning. dealer to have the DPF your local Kubota dealer for cleaned. cleaning. Wait until this message disap- The engine is preheating. -...
Blinking Unless the auto regeneration starts, (red) consult your local Kubota dealer. DPF must be repaired. To protect the DPF, the engine output is limited. When the pilot control lock lever is pulled up, the Immediately contact your local Kubota engine will stop after 60 seconds in order to pro- dealer.
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LIST OF SCREENS • Regeneration time is approximately 20 to 30 minutes, and the interval is approximately 50 to 60 hours. But actual regeneration time and interval depend on usage environment like ambient temperature, exhaust temperature and engine speed. KX057-5,U55-5...
LIST OF SCREENS LOCKING AND RELEASING THE DIESEL PARTICULATE FILTER (DPF) REGENERATION 1. Press the inhibit switch (1). The automatic DPF regeneration is locked and the inhibit lamp on the display lights up. (1) Inhibit switch (1) Inhibit lamp KX057-5,U55-5...
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• DPF must be exchanged. Immediately contact your local Kubo- • To protect the DPF, engine out- ta dealer. put is limited. (Refer to No. 29 in Navigation list of Blinking Blinking screens section.) (yellow) (red) KX057-5,U55-5...
This product includes “Open Source Software”, which is provided “as is”. Kubota and any third party that has the right to use OSS shall not be liable for any damages arising out of this software and its use or the inability to use it.
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