U.S.A. : KUBOTA TRACTOR CORPORATION 3401 Del Amo Blvd., Torrance, CA 90503, U.S.A. Telephone : (310)370-3370 Western Division : 1175 S. Guild Avc., Lodi, CA 95240 Telephone : (209)334-9910 Central Division : 14855 FAA Blvd., Fort Worth, TX 76155 Telephone : (817)571-0900 Northern Division : 6300 at One Kubota Way, Groveport, OH 43125 Telephone : (614)835-1100 Southeast Division : 1025 Northbrook Parkway, Suwanee, GA 30024 Telephone : (770)995-8855 Canada : KUBOTA CANADA LTD.
K008-3 English(Australia) AR. K. 13-13. 0.
GENERAL SYMBOLS The instruments and operation elements have been marked with a series of symbols in order to simplify the operation of your excavator. These symbols are listed below with the respective descriptions.
FOREWORD You are now the proud owner of a KUBOTA excavator. This excavator is a product of KUBOTA quality engineering and manufacturing. It is made of quickly fine materials and under rigid quality control systems. 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.
3 SAFETY FIRST This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on the machine itself to warn of the possibility of personal injury. Read these instructions carefully. It is essential that you read the instructions and safety regulations before you attempt to assemble or use this unit. 3 DANGER : Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
CONTENTS SAFE OPERATION................. -1 DEALER SERVICE..........................1 TECHNICAL DATA ..........................2 DESCRIPTION OF MACHINE PARTS..........................................3 INSTRUMENT PANEL AND CONTROL ELEMENTS................4 BEFORE START .............................6 HANDLING THE SAFETY DEVICES .....................................................6 Control lever lock .............................6 Swing lock pin ..................................6 DAILY CHECKS................
Keep the Tools and Operator's Manual in the Toolbox ................36 DAILY CHECKS.............................36 Coolant Check ..............................36 Check Fuel Level ...........................37 Check Engine Oil Level..................38 Check Hydraulic Oil Level..............38 Lubrication Points .........................39 Check Radiator ..............................40 Cleaning of Engine and Electrical Wiring ........................................40 Checking the Electrical Circuit .......
RECOMMENDED OILS.................58 MAIN DIMENSIONS ......................59 LIFTING CAPACITY .....................
SAFE OPERATION -1 SAFE OPERATION The best insurance against accidents is to abide by the safety regulations. Read and understand this section carefully, before operating the excavator. Every user, however experienced, should carefully read and understand this section and those of the attachments and accessories before taking the excavator into operation. The owner is obliged to inform the operators of these instructions in detail. Keep this manual in the toolbox. 5.
-2 SAFE OPERATION A During excavator use do not allow any persons within the working range. 8. Do not allow other persons to use the machine before having informed him on the exact operation and work instructions, and be assured that the operator's manual has been read and understood. 9. Do not wear baggy, torn or too large clothing when working with the excavator. Clothing can get caught in rotating parts or control elements which can cause accidents or injuries. Wear adequate safety clothing, e.g.
SAFE OPERATION 5. Make sure that the dozer is on the front side. (The dozer must be raised.) If the swing frame has been turned 180 , i.e. the dozer is, seen from the operator, "behind", then the travel direction is opposite to the drive direction of the levers (when activating the drive lever forwards, the excavator, seen from the operator, will move backwards). 6. Do not run the engine in closed or badly ventilated rooms. Carbon monoxide is colourless, odourless and deadly. 7.
-4 SAFE OPERATION 3. AFTER OPERATION Before leaving the machine, A Bring the excavator to hard even ground. A Lower the attachments and the dozer blade on the ground. A Stop the engine. A Lock all control levers. A Remove the key. (1) Lock lever (A) "Lock" (B) "Unlock" 4. SAFE LOADING AND TRANSPORT OF THE EXCAVATOR 1. Observe all regulations concerning the transport of excavators on public roads. 2. Use adequately long and robust ramps when loading on a truck.
SAFE OPERATION 6. If the excavator is to tow another machine, the load must be smaller than the strength of the hook. Max. drawbar pull at coupling hook 35.3 kN (3599 kg) Max. vertical load at coupling hook 4.1 kN (418 kg) 5. MAINTENANCE Before doing maintenance work on the excavator, place the machine on even solid ground, Iower the attachments on the ground, stop the engine and release the cylinder pressure by actuating the levers.
-6 SAFE OPERATION 13. Use a face mask or eye protection to protect the eyes and respiratory system against dust and other foreign particles. 14. Do not crawl under the excavator if the excavator is only supported by the boom and arm or the dozer. The excavator can tip over or lower itself due to hydraulic pressure loss. Always use safety struts or other appropriate supports. 15. KUBOTA uses no parts which are lined with asbestos. Do not use these kind of parts even if they can be installed. 16.
SAFE OPERATION 6.
-8 SAFE OPERATION
SAFE OPERATION -9
-10 SAFE OPERATION 7. CARE OF DANGER, WARNING AND CAUTION LABELS (1) Keep danger, warning and caution labels, clean and free from obstructing material. (2) Clean danger, warning and caution labels with soap and water, dry with a soft cloth. (3) Replace damaged or missing danger, warning and caution labels with new labels from your KUBOTA dealer.
DEALER SERVICE DEALER SERVICE Your KUBOTA dealer is always ready to help so that your excavator offers the best performance. After having carefully read this manual, you will realize that much of the routine maintenance can be done by yourself. Your KUBOTA dealer is responsible for servicing and the delivery of spare parts. When ordering spare parts from your KUBOTA dealer, always mention the serial number of the excavator and the engine. Note these numbers right away in the supplied lines.
2 TECHNICAL DATA TECHNICAL DATA KUBOTA EXCAVATOR Model name K008-3 Type Rubber tracks Machine weight Standard bucket kg Volume (CECE) Width 920 m 0.022 mm 350 Type Water cooled 3 cylinder Diesel Model name Engine Total displacement Engine power Performance Fuel tank capacity HP (kW) 719 10.2 (7.4) rpm 2050 Swing speed rpm 8.3 Travel speed km/h 2.0/4.0 Ground pressure Mpa (kgf/cm ) % (deg) 0.024 (0.24) 27 (15) mm 700 x 200 860 x 200 Left rad (deg) 0.
DESCRIPTION OF MACHINE PARTS DESCRIPTION OF MACHINE PARTS DEPICTED CONTENTS (1) Arm (2) Bucket cylinder (3) Bucket link (4) Bucket (5) Swing bracket (6) Dozer cylinder (7) Dozer (8) Arm cylinder (9) Boom (10) Operator's seat (11) Boom cylinder (12) Drive sprocket (13) Front idler (14) ROPS 3
4 INSTRUMENT PANEL AND CONTROL ELEMENTS INSTRUMENT PANEL AND CONTROL ELEMENTS B Instrument Panel, Switches DEPICTED CONTENTS (1) Starter switch (2) Hour meter (3) Alarm lamp (4) Horn switch (5) Working light switch
INSTRUMENT PANEL AND CONTROL ELEMENTS B Control Pedals and Levers DEPICTED CONTENTS (1) Throttle lever (2) Drive lever (left) (3) Drive lever (right) (4) Control lever for front attachments (left) (5) Control lever for front attachments (right) (6) Control lever for dozer or track width (7) Swing pedal (8) Service port pedal (9) Track width change / dozer select lever (10) Lock lever 5
6 BEFORE START BEFORE START HANDLING THE SAFETY DEVICES BControl lever lock A When the excavator is not used or left unattended, be sure to place the bucket on the ground and lock the control levers. The front attachment may fall : it's dangerous. Also remove the key. The attachment control lever lock is located on the left side alike. (1) Swing lock pin (A) "Unlock" (B) "Lock" DAILY CHECKS In order to avoid damage, it is important to check the condition of the excavator before starting.
OPERATION OF THE ENGINE 7 OPERATION OF THE ENGINE STARTING THE ENGINE To avoid personal injury: A Read "SAFE OPERATION" at the beginning of this operator's manual. A Obey the danger, warning and caution labels on the excavator. A Exhaust gases are poisonous. Do not let the engine run in closed quarters without sufficient and adequate ventilation. A Always start the engine from the operator's seat. Do not start the engine while standing next to the excavator.
8 OPERATION OF THE ENGINE 3. Pull the throttle lever all the way back. 4. Insert the key into the starter switch and turn it to position "ON". (A) "PREHEAT" (B) "OFF" (C) "ON" (D) "START" 5. Turn the key to position "Preheat". (approx. 5 seconds) 6. Turn the key to position "Start" and release after the engine has started; it will automatically return to the position "ON". 7. Check if all alarm lamps have gone out. Should an alarm lamp still be lit up, stop the engine and check for the cause.
OPERATION OF THE ENGINE BHourmeter The hourmeter shows the total operating hours of the excavator. C Meter reading The meter counts up 1 for one operating hour. The electric meter is still counting if the engine stops but the key is in the "ON" position. 9 A In these cases, the excavator must be checked and serviced according to the directions of the KUBOTA dealer. STARTING THE ENGINE UNDER COLD CONDITIONS To avoid personal injury: A Make sure that the lock lever is in the lock position during warm up.
10 OPERATION OF THE ENGINE STOPPING THE ENGINE To avoid personal injury or death: A Do not keep the bucket or dozer in the lifted position, as a person could accidentally touch the levers and cause serious accidents. A Lower all work attachments on to the ground, otherwise accidents could occur. BEngine Stop Lever To avoid personal injury: A In the case of an emergency, or should the engine in idle position and key in the off position, still run, do like as below.
OPERATION OF THE ENGINE BObserve Following Guidelines when Starting with an Auxiliary Battery. 1. Bring the second machine with the same battery voltage as near as possible to the excavator. THE MACHINES MUST NOT COME IN CONTACT WITH EACH OTHER. 2. Put the levers and pedals of both vehicles in the neutral position and the lock lever in the "Lock" position. 3. Wear eye protection and rubber gloves. 4. Remove the battery caps from both batteries. (If present) 5. Cover the battery opening with a cloth.
12 EXCAVATOR OPERATION EXCAVATOR OPERATION CONTROL OBSERVATIONS DURING OPERATION BStop the Engine immediately if: A Sudden increase or decrease in engine revolution occurs. A Sudden abnormal noises occur. A Exhaust gases turn suddenly very dark. Make following control observations during operation to be sure that everything functions normally. BAlarm Lamps Should an alarm lamp light up during operation, stop the engine immediately and as described below, check for the cause.
EXCAVATOR OPERATION STARTING To avoid personal injury: A No persons, other than those familiar with the excavator, are allowed to use the excavator. A Do not allow any person other than the operator to ride on the excavator. BSeat Belt and Adjusting the Operator's Seat 2. Bring the lock lever into the "Unlock" position. To avoid personal injury: A Check safety aspects all around the excavator.
14 EXCAVATOR OPERATION BWorking Light Switch If the key is in the "ON" position, the lights will be switched on by tipping the switch. CONTROLS FOR ATTACHMENTS The levers move the boom, arm and bucket as well as the swing frame. The lever positions and functions are as follows: [NOT TWO PATTERN SELECTION TYPE] To avoid personal injury: A Study and familiarize control lever functions by operating slowly.
EXCAVATOR OPERATION C Pattern Change Switching from [Pattern A] to [Pattern B] 1. Stop the engine and place the front attachment on the ground. Release pressure out of the cylinders. 2. Turn the knob on the control box to open the cover. 4. Shift the joints (C) and (D) to the right, and apply and tighten up the bolts (1) and (2). (1) Bolt1 (2) Bolt2 (1) Knob 3. Remove the bolts (1) and (2).
16 EXCAVATOR OPERATION C Switching from [Pattern B] to [Pattern A] 1. Stop the engine and place the front attachment on the ground. Release pressure out of the cylinders. 2. Turn the knob on the control box to open the cover. 4. Shift the joints (C) and (D) to the left, and apply and tighten up the bolts (1) and (2). (1) Bolt1 (2) Bolt2 (3) Joint (C) (4) Joint (D) (1) Knob 3. Remove the bolts (1) and (2).
EXCAVATOR OPERATION 17 OPERATION OF THE BOOM To raise the boom, pull the attachment control lever back. The boom is equipped with a cushion cylinder which prevents excavated material in the bucket from fall-in out. By low hydraulic oil temperature, (e.g. right after starting the engine) the cushioning function will only be effected after a certain delay (approx. 3 to 5 seconds). This condition results from the viscosity of the hydraulic oil and is no sign of a malfunction.
18 EXCAVATOR OPERATION OPERATION OF THE ARM OPERATION OF BUCKET Pull back the left attachment control lever and the arm will be pulled in. To move the arm out, push the control lever towards the front. To dig with the bucket, move the right attachment control lever from the neutral position towards the left. Moving the control lever towards the right pushes the bucket outwards and dumps its contents.
EXCAVATOR OPERATION SWIVEL (UNIT SWING) OPERATION 19 BOOM SWING OPERATION 1. Step on the front of the pedal to swing the boom to the left. 2. Step on the rear of the pedal to swing the boom to the right. To avoid personal injury: A When working in groups, always let the others know what you are going to do before you do it. A Keep away from the working area. A Do not operate the left attachment control lever abruptly from the right to the left (or vice versa).
20 EXCAVATOR OPERATION BOOM SWING PEDAL To avoid personal injury or death: A Always keep your toes within the edge of foot step; otherwise there is a possibility that your toes will be caught between swing frame and boom or boom cylinder. To avoid personal injury: A When boom swing operation is not in use, fold the boom swing pedal forward to fix the pedal from unexpected moves. BOperation of the Track Width 1. Set the track width change/dozer select lever to the "Track width change" position (B).
EXCAVATOR OPERATION 21 BOperation of the Dozer Width For changing from standard width to narrow width: 1. Pull out the fixing pin (2) and remove the extension dozer (1). 2. Set the extension dozer (1), insert fixing pin (2) as illustration. 3. It is the same operations for opposite side (left or right), and also for changing from narrow width to standard width. 3. After track width change, be sure to set the track width change/dozer select lever to the "Dozer" position (A).
22 EXCAVATOR OPERATION BOperation of the Dozer A While operating the dozer, the track width change / dozer select lever must be set position (A). (1) Track width change / dozer select lever DRIVING To avoid personal injury or death: A Before starting the engine, make sure that no further persons are in the excavator surroundings. A Before operating the excavator, check the crawler direction. (Idler and dozer to the front of the excavator). (A) "Dozer" (B) "Track width change" 1.
EXCAVATOR OPERATION BDrive Levers (Right, Left) To avoid personal injury or death: A If the swing frame has been turned 180 , i.e. the dozer is, seen by the operator, "behind", then the travel direction is opposite to the drive direction of the levers (when activating the drive lever forwards, the excavator, seen by the operator, will move backwards).
24 EXCAVATOR OPERATION C Change of Direction while Stationary 1. Push the left drive lever forward; the excavator will turn to the right. 2. Pull the left drive lever backward; the excavator will turn to the left. C Change of Direction while Travelling 1. While travelling forwards, bring the left drive lever in the neutral position; the excavator will turn to the left. (A) "Travelling forward" (C) "Neutral position" 2.
EXCAVATOR OPERATION 25 UP AND DOWNHILL TRAVELLING BSpin Turn When both drive levers are activated in the opposite directions, both crawlers will rotate with the same speed but in opposite directions. Centre of rotation is the centre of the excavator. (A) "Left spin turn" To avoid personal injury: A Before travelling up and downhill, be sure to be in standard track width 860mm. A When travelling up or down a slope for long periods of time, be sure to engage the swing lock pin.
26 EXCAVATOR OPERATION 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 crawlers with chocks. (1) Chock SERVICE PORT OPERATION This pedal is used to operate attachments such as breakers. C Service port pedal Step on the service port pedal and pressured oil starts flowing through the "P" port from the control valve.
EXCAVATOR OPERATION C Locking the service port pedal The service port pedal can be locked downward in order to use an attachment such as hand breaker and hand auger. Please make a hole to pass the bolt through the floor mat with a knife etc. when you lock the service port pedal. The bolt which fixes the pedal is in the tool kit. Please tighten the bolt until you are able to depress the service port pedal.
28 EXCAVATOR OPERATION OPERATING FOLDABLE ROPS To avoid personal injury: A When raising or folding the ROPS, stop the engine and remove the key. Always perform function from a stable position at the rear of excavator. A Fold the ROPS down only when absolutely necessary and fold it up and lock it again as soon as possible. 3. Fold the ROPS. To avoid personal injury: A Hold the ROPS tightly with both hands and fold the ROPS slowly and carefully. BTo Fold the ROPS 1.
EXCAVATOR OPERATION 29 BAdjustment of Foldable ROPS BTo Raise the ROPS to Upright Position 1. Remove both hair pin cotters and set pin. (1) Set pin (2) Hair pin cotter 2. Raise ROPS to the upright position. To avoid personal injury: A Raise the ROPS slowly and carefully. 3. Align set pin holes, insert both set pins. Secure them with the hair pin cotters. 4. Tighten both looseness preventing knob bolts.
30 TRANSPORTING THE EXCAVATOR ON A TRUCK TRANSPORTING THE EXCAVATOR ON A TRUCK B Transporting on a Truck To avoid personal injury or death: A No directional changes should be made when the excavator is on the ramp. Should a change of direction be necessary, drive off the ramp completely and make the turn. A When driving forwards or backwards onto the truck, or when swinging the upper body, make sure that neither the cabin or the gates of the truck will be damaged.
TRANSPORTING THE EXCAVATOR ON A TRUCK 3. For additional safety, use blocks or struts under the ramps and the truck bed. 4. Completely align the ramps and the crawlers and then drive the excavator slowly up the ramps with the dozer in the front. After ensuring that the crawlers are completely on the truck bed, swivel the upper body around to the back of the truck. 5. Lock the swing frame with the swing lock pin. (1) Swing lock pin (A)" Unlock" (B) "Lock" 6. Block the crawlers and tie down the excavator.
32 LIFTING OF THE EXCAVATOR LIFTING OF THE EXCAVATOR B Safety Aspects when Lifting with Chains / Straps To avoid personal injury or death: A The correct instructions for safe handling are described here. Read these carefully before moving the machine. Make sure that the operating personnel read the operator's manual carefully. B Basics when Lifting with Chains / Straps 1. The lifting and crane operation is to be undertaken according to the guidelines described. 2.
LIFTING OF THE EXCAVATOR B Lifting Procedure Excavator for the To avoid personal injury or death. A Do not lift the excavator other than at the 3 points as illustrated. A Do not use the ROPS for lifting the excavator. C General guidelines for lifting 1. Lifting position. (see right illustration) (1) Pull in the boom completely towards rear. (2) Pull in the arm completely. (3) Pull in the bucket completely. (4) Swing the boom 0.17 to 0.26 rad. (10 to 15 degrees) to the right from the central position.
34 MAINTENANCE MAINTENANCE MAINTENANCE INTERVALS Hour meter indicator No. 1 Check points Fuel Intervals 5 0 1 0 0 1 5 0 2 0 0 2 5 0 3 0 0 3 5 0 4 0 0 4 5 0 5 0 0 5 5 0 6 0 0 1 0 0 0 2 0 0 0 Consequently Ref.
MAINTENANCE 35 Hour meter indicator No. 16 Check points 1 0 0 0 2 0 0 0 Consequently Ref.
36 MAINTENANCE OPENING AND CLOSING OF PARTS BOpening/Closing of the Engine Hood DAILY CHECKS For your own safety and to assure the long life span of your machine, a careful check should be made before each operation. BCoolant Check To avoid personal injury: A Do not open the engine hood before stopping engine. A Do not touch the exhaust muffler or the exhaust pipe; serious burns can occur. For opening, pull up the lever and open the bonnet.
MAINTENANCE BCheck Fuel Level To avoid personal injury: A Stop the engine before fuelling. A Do not smoke while fuelling. A With temperatures over -5 C, use No.2-D diesel fuel, while with temperatures under 5 C, use No.1-D diesel fuel. A Make sure that the fuel tank is not run empty. Air enters into the fuel system, and must be purged before restarting. Fuel tank capacity 11 L A Always fill up fuel after a day's work. A See "PURGING OF THE FUEL SYSTEM" in "OTHER ADJUSTMENTS AND REPLACEMENTS".
38 MAINTENANCE BCheck Engine Oil Level To avoid personal injury: A Stop the engine before checking the oil level. Insert the oil gauge rod fully into the prepared opening, remove again and check the oil level; if necessary fill with oil. The machine must be on level ground when checking the oil level. (1) Oil gauge (2) Filling port (A) Required level A Use engine oil with the correct viscosity. (according the outside temperature) A After stopping the engine, wait five minutes, then check oil level.
MAINTENANCE BLubrication Points To avoid personal injury: A First lower all attachments on the ground then stop the engine. A While greasing, take care not to step on the bucket teeth. A When doing excavation work in water, generously grease the following points. After finishing work, grease again. Grease the marked grease nipples shown by arrows in the illustration below. 1. Boom bottom linkage ....................... 1 place 2. Arm bottom linkage .......................... 1 place 3.
40 MAINTENANCE BCheck Radiator To avoid personal injury: A Always stop the engine before checking the radiator. A Wear eye protection when cleaning with compressed air. 1. Check if the fins and ribs are clogged. If so clean with compressed air or steam. 2. Check the rubber hoses for damage and replace if cracked or old. Check if the hose clamps are tight enough. BCleaning of Engine and Electrical Wiring To avoid personal injury: A Always stop the engine before cleaning the wiring, cables and engine.
REGULAR CHECKS AND MAINTENANCE WORK 41 REGULAR CHECKS AND MAINTENANCE WORK EVERY 50 SERVICE HOURS BDraining the Water from the Fuel Tank Loosen the drain plug at the bottom of the fuel tank to let sediments, impurities and water out of the tank. Finally tighten up the plug. (1) Drain plug BDraining of the Fuel Filter To avoid personal injury: A Before draining the fuel filter, be sure to stop the engine. A Do not smoke during inspection.
42 REGULAR CHECKS AND MAINTENANCE WORK 4. A boost charge is only for emergencies. It will partially charge the battery at a high rate and in a short 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. 5. When the specific gravity of electrolyte reaches between 1.27 and 1.29 the charge is completed. 6. When exchanging an old battery for new one, use battery of equal specification.
REGULAR CHECKS AND MAINTENANCE WORK EVERY 100 SERVICE HOURS BEngine Oil Change (First Engine oil change after 50 Service Hours) To avoid personal injury: A First stop the engine and wait long enough for the oil to cool down. 1. Remove the drain plug on the underside of the engine and drain all oil. 2. Re-tighten the drain plug. 43 A Regardless of the service hours, an engine oil change is due every 1 year. Engine oil volumes (with engine oil filter) approx. 2.
44 REGULAR CHECKS AND MAINTENANCE WORK BChecking the Radiator Hoses To avoid personal injury: A Wait long enough for the radiator coolant to cool down. Check the water hoses are properly attached. This check should be carried out every 200 hours or every 6 months, whichever comes first. 1. Should the hose clamps be loose or water leak, tighten the hose clamps properly. 2. Should the radiator hoses be swollen, aged or cracked, they must be replaced and the hose clamps tightened again properly. 2.
REGULAR CHECKS AND MAINTENANCE WORK BAir Filter Maintenance To avoid personal injury: A Wear eye protection. C Cleaning with compressed air Pressure of compressed air must be under 205 kPa (2.1 kgf/cm ), and the cartridge should be blown clean from the inside to the outside until the dust deposits are completely clear. 45 BGreasing of the Swing Bearing 1. Grease through the respective grease nipple. 2. Grease at each 90 (1.58 rad.) position of the swing frame. 3.
46 REGULAR CHECKS AND MAINTENANCE WORK EVERY 500 SERVICE HOURS EVERY 1000 SERVICE HOURS Do all 50 hour servicing at the same time. Do all 50, 200 and 500 hour servicing at the same time. BReplacing Fuel Filter Element To avoid personal injury: A Keep away from fire. 1. Close the fuel cock. (1) Fuel cock BHydraulic Oil Change (Including Replacing of the Suction Filter and the Return Filter in the Hydraulic Tank) A Contact your KUBOTA dealer for details. (A) "Open" (B) "Closed" 2.
REGULAR CHECKS AND MAINTENANCE WORK Hydraulic oil volumes Hydraulic tank approx. 12.4 L EVERY 1000 SERVICE HOURS OR ONCE A YEAR Whole oil volumes approx. 14.4 L BReplacing Air Filter Element BHydraulic Oil Check with Hydraulic Breakers The hydraulic oil change after 1000 operating hours in the operator's manual is based on the type of work done. The following inspection measures are valid when hydraulic breakers are used: 1.
48 REGULAR CHECKS AND MAINTENANCE WORK EVERY 3000 SERVICE HOURS BChecking Injection Pump Consult your local KUBOTA Dealer for this service. ANNUAL SERVICING BElectrical Wiring and Fuses Check the terminals periodically for proper connections. Loose wiring or damaged cables can cause improper functioning of the electrical system. Short circuiting, electrical leaks and other expensive problems could arise. Check wiring and replace damaged components immediately.
REGULAR CHECKS AND MAINTENANCE WORK A Do not operate the engine without coolant. A To fill the radiator system use fresh water and anti-freeze fluid. A When the anti-freeze is mixed with water, the ratio must not exceed 50%. (a 50/50 mix is recommended) A Tighten the radiator cap properly. If the cap is loosely or not properly fitted, overheating of the engine can result due to coolant fluid loss. BReplacing Fuel Hose Replace the hoses and clamps.
50 OTHER ADJUSTMENTS AND REPLACEMENTS OTHER ADJUSTMENTS AND REPLACEMENTS PURGING OF THE FUEL SYSTEM 1. Fill up the excavator with fuel. 2. Turn the starter key to the position "ON". 3. The air in the fuel system will be purged within one minute. (A) "PREHEAT" (B) "OFF" (C) "ON" (D) "START" A If the purging was insufficient, and the engine dies immediately after starting. In this case repeat steps (2) to (3) again. 2.
OTHER ADJUSTMENTS AND REPLACEMENTS 2. Tension the crawler in the lifted position, so that the distance "A" (clearance between the track roller and the inside surface of the crawler) is 10 to 15 mm (see illustration), (In this case, the crawler seam is positioned on the top centre between the idler and the sprocket. To avoid serious injury or death: A Do not work under the machine in this condition.
52 OTHER ADJUSTMENTS AND REPLACEMENTS CHANGING THE BUCKET FUSES BReplacing Fuses To avoid personal injury: A When the coupling pins are removed or installed, chips may come off. Always use gloves, goggles and a helmet. A When the change of the equipment must be performed with the engine running, always work as a 2-person team. One person sits in the operator's seat and the other works on the machine.
TROUBLESHOOTING 53 TROUBLESHOOTING If the excavator does not give the desired performance, or when problems arise, refer to the table below and take appropriate measures.
54 TROUBLESHOOTING Drive system Hydraulic system Trouble Cause Countermeasure Boom, arm, bucket, drive, swing and dozer power is too low Hydraulic oil level too low D Add oil Leakages of hoses and / or joints D Replace hose or joint Non- function of swing motor Swing lock pin is in lock position D Remove swing lock pin in unlock position Blocked through stones D Remove Crawler too loose or too tight D Adjust accordingly Deviation of drive direction
OPERATION IN COLD WEATHER CONDITIONS 55 OPERATION IN COLD WEATHER CONDITIONS PREPARATION FOR OPERATION IN COLD WEATHER PROCEDURE AFTER WORK CARRIED OUT 1. Replace engine oil and hydraulic oil with those of viscosities suitable for cold weather. 2. In cold weather, battery power drops, and the battery fluid may freeze if the battery is not sufficiently charged. To prevent the battery fluid from freezing, be sure to keep the battery charged at least 75% or more of its capacity after operation.
56 LONG STORAGE LONG STORAGE To avoid personal injury: A Do not clean the excavator with the engine running. A To avoid the danger of exhaust fume poisoning, do not operate the engine in a closed building without proper ventilation. A When storing, remove the key from the starter switch to avoid unauthorized persons from operating the excavator and getting injured. B Should the Excavator be Stored for a Longer Period of Time, Observe Following Procedures: 1.
LONG STORAGE 57 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. These parts are prone to degradation in material or subject to wear and tear with time. It is difficult to judge how much they have been affected at regular inspection.
58 RECOMMENDED OILS RECOMMENDED OILS 1. Before delivery, the hydraulic oil used was an ISO 46 viscosity grade. 2. Use engine oil API service classification CD, CE or CF. 3. Use SAE 90 (API, CLA/GL5) as drive unit oil for all seasons.
MAIN DIMENSIONS 59 MAIN DIMENSIONS mm K008-3 (A) (B) (C) (D) (E) (F) (G) (H) (I) (J) 245 300 700/800 880 825 800 2870 2035 1715 1375 (K) (L) (M) (N) (O) (P) (Q) (R) (S) (T) 1120 2230 1945 200 180 2000 790 2790 3025 3075
60 LIFTING CAPACITY LIFTING CAPACITY 1. The lifting capacities are based on ISO 10567 and do not exceed 75% of the static tilt load of the machine or 87% of the hydraulic lifting capacity of the machine. 2. The strokes are as follows. (1) The load point corresponds to the front bolt part of the arm. (2) The machine positions are (i) over-front (Blade up), (ii) over-front (Blade down), and (iii) overside. (3) The operating cylinder is the boom cylinder. 3.
LIFTING CAPACITY 61 LIFTING CAPACITY MODEL K008-3 SPEC RUBBER (i) OVER FRONT (BLADE UP) kN(kg) HEIGHT (mm) LOAD RADIUS (mm) 0 500 1000 1500 2000 2500 3000 (iii) OVER SIDE (TRACK WIDTH 860 mm) kN(kg) HEIGHT (mm) 2500 G L 0 500 1000 1500 2000 2000 1.5 (150) 2000 1.2 (130) 1500 1.5 (150) 1500 1.2 (130) 1000 2.3 (240) 1.5 (150) 1.0 (100) 50 2.1 (220) 1.4 (140) 1.0 (100) 1.0 (100) 0 3.8 (390) 2.0 (200) 1.3 (140) -500 3.8 (390) 1.9 (200) -1000 3.6 (370) 2.