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  3. Compact Excavator
  4. TB23R
  5. Operator's Manual

Takeuchi TB23R Operator's Manual

Summary of TB23R

  • Page 1

    Opera tor’s manual read and understand these instructions. Failure to do so can cause injury or death. Warning tb 23 r o p e r at o r ’s m a n u a l e book no. Ad5e004 serial no. 123000513~ compact excavator tb 23 r original instructions.

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    Safety alert symbol this symbol means attention! Be alert! Your safety is involved. The message that follows the symbol contains important information about safety. Read and understand the message to avoid personal injury or death. it is the owner or employer’s responsibility to fully instruct eac...

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    1 it is your responsibility to observe all pertinent laws and regulations and to follow the manufacturer’s instructions on machine operation, inspection and maintenance. Virtually all accidents occur as the result of a failure to observe basic safety rules and precautions. An accident can often be a...

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    2 introduction foreword this manual describes operation, inspection and maintenance of the machine, as well as safety instructions to be heeded during these operations. If you have any questions about the machine, please contact a takeuchi sales or service outlet. serial numbers check the serial n...

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    3 machine descriptlon front, rear, ieft and right this manual refers the front, rear, left and right of the machine as seen when sitting in the operator’s seat with the dozer blade visible to the front. designated operations use this machine primarily for the following operations: excavating ...

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    4.

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    5 introduction ..........................................2 machine description ..........................3 safety ....................................................7 controls ............................................. 35 operation ........................................... 59 transport ..........

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    6.

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    7 safety general precautions ......................................... 8 preparing precautions ...................................12 starting precautions .......................................14 operating precautions ...................................16 stopping precautions ..........................

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    8 safety observe all safety rules operation, inspection and maintenance of this machine must be performed only by a trained and qualified person. all rules, regulations, precautions and safety procedures must be understood and followed when performing operation, inspection and maintenance of this...

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    9 safety general precautions provide a fire extinguisher and first aid kit know where a fire extinguisher and first aid kit are located and understand how to use them. know how to contact emergency assistance and first aid help. Never remove safety equipment make sure all protective guards, canopie...

  • Page 12

    10 safety general precautions be sure to lock the safety lock lever before leaving the operator’s seat before leaving the operator’s seat, raise the safety lock lever(s) to engage the lock and stop the engine. If any controls should be touched accidentally when the safety lock lever(s) is lowered,...

  • Page 13

    11 safety general precautions exhaust fumes from the engine can kill do not operate the engine in an enclosed area without adequate ventilation. if natural ventilation is poor, install ventilators, fans, exhaust extension pipes or other artificial venting devices. Handling asbestos dust inhaling ...

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    12 safety preparing precautions always keep the machine clean clean windows, mirrors and lights to ensure good visibility. wipe off any oil, grease, mud, snow or ice, to prevent accidents due to slipping. remove all loose objects stored in the machine and all objects which do not belong in or ...

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    13 safety preparing precautions perform inspection and maintenance daily failure to notice or repair machine irregularities or damage can lead to accidents. before operating, perform the prescribed inspections and make repairs immediately should any irregularities be found. if a failure that cau...

  • Page 16

    14 safety starting precautions clear the area of other persons before starting the machine do not start the engine until you are sure it is safe. Before starting, check or perform the following. walk around the machine and warn all personnel who may be servicing the machine or are in the machine p...

  • Page 17

    15 safety starting precautions starting with jumper cables use jumper cables only in the recommended manner. Improper use of jumper cables can result in battery explosion or unexpected machine motion. Refer to the section titled “if the battery goes dead” for proper instructions. After starting the ...

  • Page 18

    16 safety operating precautions check for safety in the surrounding area before starting understand the machine limitations. use a signal person where clearances are close or your vision is obstructed. never allow anyone to enter the slew (swing) radius and machine path. signal your intentio...

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    17 safety operating precautions travel safety travel with the dozer blade up, the hoe attachment folded as shown on the diagram, and the bucket raised 30 to 40 cm (12 to 16 in.) from the ground. do not slew (swing) while traveling. If you must operate the hoe attachment while traveling, operate ...

  • Page 20

    18 safety operating precautions cautions on traveling on slopes when traveling on slopes or grades, be careful that the machine does not tip (roll) over or slide. never exceed the machine’s stability capabilities (maximum gradeability –30°, lateral tipping angle –15°). Also note that when actual w...

  • Page 21

    19 safety operating precautions insure driver safety before loading trucks do not load a truck unless the driver is in a safe place. never swing or position the bucket over personnel or truck cabs. load the truck from the rear. Keep a safe distance from electrical power lines never approach powe...

  • Page 22

    20 safety operating precautions watch out for hazardous working conditions never undercut a high bank. Be particularly alert for the possibility of a cave-in. do not operate in places where there is a danger of falling rocks. keep machine well back from the edge of an excavation. Avoid undercu...

  • Page 23

    21 safety operating precautions never slew (swing) sideways with excessive weights the machine can tip over more easily in the lateral direction than in the longitudinal direction. do not slew (swing) sideways with excessive weight at the front. In particular do not slew sideways on slopes. the ...

  • Page 24

    22 safety operating precautions danger of flying objects this machine is not equipped with protective guards to protect the operator from flying objects. Do not use the machine in places where there are risks of the operator being hit by flying objects. Cautions on towing when towing, selecting the wro...

  • Page 25

    23 safety stopping precautions park safely park the machine on firm, level ground and apply the parking device. when parking on streets, use barriers, caution signs, lights, etc., so that the machine can easily be seen even at night to avoid collision with other vehicles. before leaving the mac...

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    24 safety transporting precautions e4f001 transport the machine safely know and follow the safety rules, vehicle code and traffic laws when transporting the machine. consider the length, width, height and weight of the truck with the machine loaded on it when determining the best route. Hoist the...

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    25 safety maintenance precautions attach a “do not operate” tag severe injury could result if an unauthorized person should start the engine or touch controls during inspection or maintenance. stop the engine and remove the key before performing maintenance. attach a “do not operate” tag to the ...

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    26 safety maintenance precautions prepare the work area select a firm, level work area. Make sure there is adequate light and, if indoors, ventilation. clear obstacles and dangerous objects. Eliminate slippery areas. Stop the engine before performing maintenance avoid lubrication or mechanical ...

  • Page 29

    27 safety maintenance precautions securely block the machine or any component that may fall before performing maintenance or repairs under the machine, set all working equipment against the ground or in the lowermost position. securely block the tracks. if you must work beneath the raised mach...

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    28 safety maintenance precautions be careful with hot and pressurized components stop the engine and allow the machine to cool down before performing inspection and maintenance. the engine, muffler, radiator, hydraulic lines, sliding parts and many other parts of the machine are hot directly after ...

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    29 safety maintenance precautions be careful with fluids under pressure pressure can be maintained in the hydraulic circuit long after the engine has been shut down. release all pressure before working on the hydraulic system. hydraulic fluid under pressure can penetrate the skin or eyes and cause...

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    30 safety maintenance precautions be careful with grease under pressure the track adjuster contains highly pressurized grease. If the tension is adjusted without following the prescribed procedure, the grease discharge valve may fly off, resulting in injury. loosen the grease discharge valve slowly...

  • Page 33

    31 safety maintenance precautions level. Doing so could cause the fluid to leak, contact and damage the skin, or cause parts to corrode. Have a takeuchi service agent repair welding have a takeuchi service agent repair welding if welding must be performed, make sure that it is done by a qualified pers...

  • Page 34

    32 safety safety signs (decals) the following safety signs (decals) have been placed on your machine in the areas indicated. They are intended for the personal safety of you, and those working with you. Please take this manual, walk around your machine and note the content and location of these safe...

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    33 safety safety signs (decals).

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    34 safety safety signs (decals).

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    35 names of components ..................................36 doors and covers ...........................................38 seat and seat belt ..........................................43 instrument panel .............................................45 switches ..........................................

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    36 controls names of components upperstructure 1. Canopy / cab 2. Seat 3. Engine hood 4. Fuel tank 5. Hydraulic tank undercarriage 6. Crawler belt 7. Idler 8. Track roller 9. Shoe slide 10. Travel motor working equipment 11. Bucket 12. Bucket cylinder 13. Arm 14. Arm cylinder 15. Boom 16. Boom cylin...

  • Page 39

    37 controls 1. Instrument panel 2. Starter switch 3. Light switch 4. Horn switch 5. Travel speed switch 6. Wiper switch (cab) 7. Safety lock lever 8. Safety lock lever (canopy) 9. Throttle lever 10. Left operating lever 11. Right operating lever 12. Boom swing pedal 13. Travel levers 14. Auxiliary p...

  • Page 40

    38 controls doors and covers starter key the starter key is used not only to start and stop the engine, but also to lock and unlock the following places: engine hood mud guard manual storage compartment cab door left side cover cab door warning when mounting and dismounting the cab, first o...

  • Page 41

    39 controls doors and covers 3. Lift the front window fully and then release your thumb from the knobs (2) and lock the front window. Closing warning when closing the front window, lower the window slowly so as not to hit your head. Lowering the window abruptly may result in injury or damage the fro...

  • Page 42

    40 controls doors and covers side window 1. Grasp the catch (7), unlock it and open the side window. 2. To close the side window, close it until a click is heard. Lower front window removing 1. Open the front window and stow it in the ceiling. 2. Grasp the protruding parts (4) on the left and right ...

  • Page 43

    41 controls doors and covers engine hood warning before opening the engine hood, be sure to stop the engine. If your hands or tools should get caught in the fan or fan belt while the engine is running they may be severed. when leaving the engine hood open, be sure to lock it in place. Do not lea...

  • Page 44

    42 controls doors and covers fuel filler cap warning do not smoke or permit open flames while fueling or near fueling operations. supply fuel in a well ventilated place and with the engine stopped. clean up spilled fuel immediately. do not fill the fuel tank to capacity. Allow room for expansi...

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    43 controls seat and seat belt seat warning adjust, secure and latch the operator’s seat. (a) back angle adjustment 1. Raising your torso, sitting down firmly in the seat. 2. Pulling lever (1) allows you to use the pressure of the springs in the seat pressing against your back to adjust the reclining...

  • Page 46

    44 controls seat and seat belt seat belt caution always fasten the seat belt securely before starting the engine. Fastening the seat belt 1. Adjust the seat to the optimum position for operating, raise your torso, and sit back firmly into the seat. 2. Press the button (1) to release the seat belt and...

  • Page 47

    45 controls instrument panel warning lamps important: if a warning lamp lights, stop all operations immediately and inspect and maintain the appropriate part. Refer to page 145 “troubleshooting”. 1. Engine oil pressure warning lamp this lamp lights if the lubricant oil pressure drops abnormally whil...

  • Page 48

    46 controls instrument panel meters 7. Hour meter this displays the total engine running time in hours. The rightmost digit indicates tenths of hours (6 minutes). Set the inspection and maintenance intervals according to the time displayed on the hour meter. 8. Water temperature gauge this gauge ind...

  • Page 49

    47 controls starter switch important: do not repeatedly switch the key from off to on and on to off over a short period. Doing so will cause engine breakdown. Preheat ....... Position for preheating the engine. Off ................ Position for stopping the engine and inserting or removing the key. ...

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    48 controls light switch when this switch is turned while the starter switch is at on, the lights turn on as follows: o .........Off i ..........Meter light, front lights and boom light turn on. Switches wiper switch (cab) important: if no washer fluid is discharged, do not operate the washer. Doing ...

  • Page 51

    49 controls levers and pedals safety lock lever(s) warning before leaving the operator’s seat, raise the safety lock lever(s) to engage the lock and stop the engine. If any controls should be touched accidentally when the safety lock lever(s) is lowered, the machine will move suddenly, and cause s...

  • Page 52

    50 controls levers and pedals blade lever use this lever to operate the dozer blade. (a) .......Blade up (b) .......Blade down refer to page 72 “operating the dozer blade”. Travel levers warning before operating the travel levers, check to make sure that the dozer blade is to the front of the operat...

  • Page 53

    51 controls levers and pedals boom swing pedal use this pedal to operate the boom swing. (a) .......Boom swing right (b) .......Boom swing left refer to page 72 “operating the boom swing”. Auxiliary pedal this pedal controls the flow of the oil in the auxiliary hydraulic circuit. (a) ......Hydraulic ...

  • Page 54

    52 controls accessories outlets move knob (1) up and down or left and right to adjust the direction of the air. Supplement: use the heater with care in warm seasons. Coolant circulates in the heater even when the heater switch is turned off. When the heater is no longer needed, stop coolant circulat...

  • Page 55

    53 controls auxiliary hydraulic lines warning oil may spurt out if caps or filters are removed or pipes disconnected before releasing the pressure in the hydraulic system. when removing plugs or disconnecting hoses, release the internal pressure before removing. These lines deliver the hydraulic oi...

  • Page 56

    54 controls accessories radio (cab type) operating precautions to ensure safe operation of the machine, always be sure to keep the volume of the radio down to a level where you can easily hear sounds from outside the machine. do not keep the radio playing for long periods of time with the engine...

  • Page 57

    55 controls accessories (8) fast-forward / rewind / program changeover button fast-forward fast-rewind / stop to fast-forward the tape, push the button matching the direction of program indication and to rewind, push the other button. To stop fast-forwarding or rewinding, lightly press the button wh...

  • Page 58

    56 controls accessories to change the program, press the fast- forward and rewind buttons simultaneously. The direction of tape feed will reverse. when the tape ends in one direction, the system automatically reverses the tape and plays the other side. to stop fast-forwarding or rewinding, light...

  • Page 59

    57 controls accessories (15) disp (time / frequency) button this system is equipped with a clock which can show the accurate time. Even if the radio is off, the clock still shows the time. (16) ps / as switch pushing this button for 2 seconds down will automatically operates to show the memorized st...

  • Page 60

    58 controls accessories interior light (cab) important: the battery capacity will decrease if the interior light is left on for long periods of time the engine stopped. Turn the lamp off when leaving the machine. O .........Off i ..........Lit cigarette lighter (cab) warning do not leave the cigar...

  • Page 61

    59 before starting operation .............................60 starting and stopping the engine ................61 machine operation .........................................64 operating procedures ....................................74 parking the machine ......................................82 hand...

  • Page 62

    60 operation before starting operation mounting and dismounting warning do not jump on or off the machine. Never attempt to mount or dismount a moving machine. when mounting and dismounting the cab, first open the door fully to the locked position and check that it does not move. (for machines wi...

  • Page 63

    61 operation starting and stopping the engine before starting the engine 1. Adjust the seat for a comfortable operating position. 2. Fasten the seat belt. 3. Check that the safety lock lever(s) is in the locked position. 4. Check that all the levers and pedals are in the neutral position. 5. Insert ...

  • Page 64

    62 operation starting and stopping the engine starting the engine warning clear the area of all persons. sound horn to alert everyone around the machine. Important: do not run the starter motor for more than 15 consecutive seconds. If the engine fails to start, wait for 30 seconds to protect the...

  • Page 65

    63 operation starting and stopping the engine warming up the engine important: avoid racing the engine until it is warmed up. Do not warm up the engine for long periods of time (20 minutes or more). 1. Return the throttle lever, then idle the engine and run it for about 5 minutes with no load. Stopp...

  • Page 66

    64 operation machine operation lever pattern (iso pattern) warning be careful to check which pattern of lever control arrangement you are operating with before beginning operations. the explanations in this manual are for the iso pattern. C4d006 c4d006 left crawler forward left crawler reverse a...

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    65 operation lever pattern (jcb pattern) warning be careful to check which pattern of lever control arrangement you are operating with before beginning operations. the explanations in this manual are for the iso pattern. Machine operation c4d013 c4d013 left crawler forward left crawler reverse b...

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    66 operation machine operation warming up the machine (hydraulic oil) warning operating the working equipment without warming up the machine (hydraulic oil) is dangerous, as response will be slow and the equipment may move in unexpected ways. Be sure to sufficiently warm up the machine. Important: do...

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    67 operation machine operation 5. Travel slowly forward and backward several times. Warming up in cold weather 1. Perform the normal warm-up procedure. (refer to the previous page.) 2. Set the bucket cylinder at the stroke end and keep it there. Do not do this for more than 30 seconds. 3. Repeat ste...

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    68 operation machine operation operating the travel levers warning never allow anyone to enter the slew (swing) radius and machine path. signal your intention to move by sounding the horn. there are blind spots to the rear of the machine. If necessary, swing the cab around before backing up to...

  • Page 71

    69 operation machine operation when the dozer blade is in front of the operator’s seat: to move forward: tilt the levers forward. To move backward: tilt the levers backward. When the dozer blade is behind the operator’s seat: to move forward: tilt the levers backward. To move backward: tilt the leve...

  • Page 72

    70 operation machine operation spin turn to spin left: tilt the left lever backward and the right lever forward. To spin right: tilt the right lever backward and the left lever forward. Stopping travel warning park the machine on firm, level ground and apply the parking device. If you must park on ...

  • Page 73

    71 operation machine operation operating the working equipment warning be careful to check which pattern of lever control arrangement you are operating with before beginning operations. the explanations in this manual are for the iso pattern. Use the right operating lever to operate the boom and...

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    72 operation machine operation operating the arm to contract the arm: tilt the left operating lever backward. To extend the arm: tilt the left operating lever forward. Operating the bucket to dig: tilt the right operating lever to the left. To dump: tilt the right operating lever to the right. Opera...

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    73 operation machine operation operating the auxiliary hydraulics use this to operate a breaker, crusher or other attachment. When the pedal is pressed, hydraulic oil is delivered to the auxiliary hose’s ports (a) and (b). To deliver hydraulic oil to port (a): press the left side (a) of the pedal. T...

  • Page 76

    74 operation operating procedures prohibited operations warning do not operate on base rock (hard or soft). do not slew (swing) while traveling. If you must operate the hoe attachment while traveling, operate at speeds slow enough so you have complete control at all times. Do not perform breakin...

  • Page 77

    75 operation do not perform operations using the machine’s dropping force putting excessive strain on the machine will shorten its service life. Use the hydraulic force of the cylinders and always dig with shallow, long strokes. Digging base rock for hard base rock, break the rock up into small piec...

  • Page 78

    76 operation operating procedures pay attention to the dozer blade when digging when digging deeply with the dozer blade positioned at the front, be careful that the boom cylinder and bucket do not hit the dozer blade. Operate with the dozer blade at the rear whenever possible. Caution on digging do...

  • Page 79

    77 operation operating procedures cautions on use in water if you leave water at a sharp angle, the rear of the machine may be submerged, exposing the radiator fan to water and damaging them. Do not let the rear of the machine get submerged. allowable water depth in water, only use the machine up ...

  • Page 80

    78 operation operating procedures traveling posture traveling up slopes when traveling up slopes at an angle of 15° or greater, travel in the posture shown in the diagram above. Traveling down slopes when traveling down slopes at an angle of 15° or greater, lower the engine speed and travel in the p...

  • Page 81

    79 operation operating procedures do not open the door while traveling on slopes opening the door while traveling on slopes is dangerous, as the force required to open and close the door changes abruptly. Always keep the door closed when traveling on slopes. Getting out of mud if the machine gets st...

  • Page 82

    80 operation operating procedures operations possible with this machine excavating 1. Set the dozer blade on the side opposite the side you want to dig on. 2. Use the arm and bucket and dig with shallow, long strokes. The digging force is strongest when the boom and arm angle is 80 to 120°. Use this...

  • Page 83

    81 operation operating procedures leveling 1. Bring the hoe attachment close to the body. 2. Gradually remove the dirt from the side of the mound. 3. Once the mound is low, remove the dirt from the top. If the load on the body is too heavy, adjust by raising or lowering the dozer blade. E4d053.

  • Page 84

    82 operation parking the machine parking warning park the machine on firm, level ground and apply the parking device. before leaving the operator’s seat, raise the safety lock lever to engage the lock and stop the engine. If any controls should be touched accidentally when the safety lock lever(s...

  • Page 85

    83 operation handling in cold weather preparing for cold weather in cold weather, it may be difficult to start the engine and the coolant may freeze. Make the preparations described below. Changing the fuel and lubricant change the fuel, hydraulic oil and engine oil to types suited for cold condition...

  • Page 86

    84 operation handling rubber crawlers rubber crawlers have an inherent weakness due to their use of rubber. Be sure to heed the prohibitions and cautions below so as to prevent damage to the crawlers and crawler slippage. Prohibited actions do not travel or operate the machine in the following place...

  • Page 87

    85 operation cautions heed the following cautions when operating the machine: do not turn the undercarriage with the front of the machine body lifted using the hoe attachment and the upperstructure left in this posture. Doing so will twist the crawler with the load concentrated on a single point o...

  • Page 88

    86 operation handling rubber crawlers avoid traveling with one crawler on a slope or projecting object and the other crawler on a flat surface (with the machine at a tilt of 10° or greater). Travel with both crawlers on flat surfaces. do not change directions when the crawler belts are slack as sh...

  • Page 89

    87 transport loading and unloading ..................................88 hoisting the machine .....................................89 securing the machine ....................................90 cautions on transporting ..............................90

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    88 transport loading and unloading warning the machine may roll or tip over or fall while loading or unloading it. Take the following precautions: select a firm, level surface and keep sufficient distance from road shoulders. use loading ramps of adequate strength and size. Maintain the slope of l...

  • Page 91

    89 transport hoisting the machine warning know and use correct crane signals. inspect the hoisting equipment daily for damaged or missing parts. when hoisting, use a wire rope with sufficient strength with respect to the machine’s weight. do not hoist with the machine in a posture other than ...

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    90 transport cautions on transporting warning know and follow the safety rules, vehicle code and traffic laws when transporting the machine. consider the length, width, height and weight of the truck with the machine loaded on it when determining the best route. Securing the machine after loading...

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    91 maintenance general .............................................................92 service data .....................................................94 important parts ...............................................99 maintenance chart .......................................100 walk-around inspe...

  • Page 94

    92 maintenance general maintenance description for long-term use of the machine under good conditions, perform the inspection and maintenance procedures properly and safely as recommended in this manual. The inspection and maintenance items are divided according to the machine’s total operating time...

  • Page 95

    93 maintenance general do not clean parts with fuel. Do not use fuel to clean parts. Use a non- combustible cleaning agent. Keep dirt out. When mounting and removing parts, do so in a place where there is no dust, clean the working area and the part, and keep dirt out. Clean mounting surfaces. When ...

  • Page 96

    94 maintenance service data lubricant and fuel chart use different lubricants, greases and fuels according to the temperature, referring to the chart below. change the lubricant earlier than as shown in the table if it is extremely dirty or its performance has deteriorated severely. whenever pos...

  • Page 97

    95 maintenance service data to maintain the performance and service life of the engine, always use clean and high-quality fuel. to avoid freezing in cold climates, use a diesel fuel that still functions when the temperature is at least 12°c below the lowest expected ambient temperature. use a di...

  • Page 98

    96 maintenance expendables replace expendables such as filters and elements periodically, referring to the table below. Item part name part no. Replacement interval hydraulic oil return filter element after first 50 hrs. Every 500 hrs. 1551103100 fuel filter every 500 hrs. Element y119810-55650 after fir...

  • Page 99

    97 maintenance service data tools no. Part name part no. Remarks 1 grease gun 1691060600 600cc 2 case 1691900001 3 drain connector 1554512200

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    98 maintenance service data tightening torques nuts and bolts (for iso strength category 10.9) tighten nuts and bolts at the torques shown on the table below, unless otherwise specified in the text. tightening torques when mounting plastic covers differ from the values on the table below. Consult a...

  • Page 101

    99 maintenance important parts for safe use, the machine must be serviced periodically. To increase safety, periodically replace the parts listed in the following table of important parts. Serious injury or a fire could result if they deteriorate or are damaged. Table of important parts above importa...

  • Page 102

    100 maintenance maintenance chart maintenance items see page * : if the percentage of the traveling time within the total operating time is high, replace the gear oil earlier than the specified time. Walk-around inspection inspecting by opening the engine hood, mud guard and covers 102 inspecting by ...

  • Page 103

    101 maintenance maintenance chart maintenance items see page every 250 hours replacing the engine oil and oil filter 118 inspecting and adjusting the fan belt 118 cleaning the air cleaner 118 cleaning the radiator fins and oil cooler fins 119 every 500 hours replacing the hydraulic oil return filter 120...

  • Page 104

    102 maintenance walk-around inspection perform the following inspections once every day before starting the engine the first time. Warning before operating, perform the walk-around inspections and make repairs immediately should any irregularities be found. be sure to secure the engine hood, mud ...

  • Page 105

    103 maintenance walk-around inspection inspecting by walking around the machine 4. Check lights for dirt, damage and burnt out bulbs. 5. Check attachments and hoses for damage. 6. Check the bucket, bucket teeth and side cutter for wear, damage and looseness. 7. Check the hook, slip stopper and hook ...

  • Page 106

    104 maintenance daily inspection (every 10 hours) inspecting and replenishing the coolant warning do not remove the radiator cap or drain plugs when the coolant is hot. Stop the engine, let the engine and radiator cool and loosen the radiator cap or drain plugs slowly. Inspection 1. Open the engine ...

  • Page 107

    105 maintenance daily inspection (every 10 hours) inspecting and replenishing the engine oil warning stop the engine and allow the machine to cool down before performing inspection and maintenance. Inspection 1. Open the engine hood. 2. Pull out the dipstick (1) and wipe off the oil with a rag. 3. F...

  • Page 108

    106 maintenance daily inspection (every 10 hours) checking the fuel level warning do not smoke or permit open flames while fueling or near fueling operations. stop the engine in a well-ventilated place when adding fuel. clean up spilled fuel immediately. do not fill the fuel tank to capacity. ...

  • Page 109

    107 maintenance replenishing 1. Open the mud guard. 2. Slowly turn the vent plug (2) to release the internal pressure, then remove. 3. Add hydraulic oil up to the middle of the sight gauge (1). 4. Pressurize the hydraulic tank using the procedure next. Pressurizing the hydraulic tank 1. Start the en...

  • Page 110

    108 maintenance daily inspection (every 10 hours) lubricating the working equipment 1. Set the machine to the lubrication posture shown in the diagram above, ground the working equipment, then stop the engine. 2. Use the grease gun to lubricate the grease nipples. 3. Wipe off the expelled grease. Gr...

  • Page 111

    109 maintenance after first 50 hours (new machines only) replacing the hydraulic oil return filter warning stop the engine and allow the machine to cool down before performing maintenance. • the engine, hydraulic lines and many other parts of the machine are hot directly after the engine is stoppe...

  • Page 112

    110 maintenance after first 50 hours (new machines only) replacing the engine oil and oil filter warning stop the engine and allow the machine to cool down before performing maintenance. the engine, muffler, radiator and many other parts of the machine are hot directly after the engine is stopped. ...

  • Page 113

    111 maintenance after first 50 hours (new machines only) inspecting and adjusting the fan belt warning stop the engine and allow the machine to cool down before performing inspection and maintenance. the engine, muffler, radiator, hydraulic lines, sliding parts and many other parts of the machine a...

  • Page 114

    112 maintenance every 50 hours inspecting and adjusting the crawler tension warning if you must work beneath the raised machine or equipment, always use wood blocks, jack-stands or other rigid and stable supports. Never get under the machine or working equipment if they are not sufficiently support...

  • Page 115

    113 maintenance every 50 hours adjustment increasing the tension 1. Remove the cover (1). 2. Using the grease gun, insert grease through the grease nipple (3) in the grease discharge valve (2). 3. Inspect the crawler tension. Decreasing the tension 1. Remove the cover (1). 2. Using the spanner, slow...

  • Page 116

    114 maintenance every 50 hours inspecting the battery fluid level and replenishing danger do not use the battery when the fluid level is below the lower level. Doing so will hasten the deterioration of the internal portions of the battery and shorten the battery life, and can also cause rupturing (...

  • Page 117

    115 maintenance every 50 hours draining the fuel tank warning do not smoke or permit open flames while handling fuel or working on the fuel system. stop the engine in a well-ventilated place and allow it to cool down before performing maintenance. clean up spilled fuel immediately. Do this befo...

  • Page 118

    116 maintenance every 100 hours cleaning the water separator warning do not smoke or permit open flames while handling fuel or working on the fuel system. stop the engine in a well-ventilated place and allow it to cool down before performing maintenance. clean up spilled fuel immediately. 1. Op...

  • Page 119

    117 maintenance replacing the travel motor gear oil warning stop the engine and allow the machine to cool down before performing maintenance. • the travel motors are hot directly after the engine is stopped. Touching them will cause burns. • the gear oil is also hot and under high pressure. Be car...

  • Page 120

    118 maintenance replacing the engine oil and oil filter refer to page 110 “replacing the engine oil and oil filter”. Inspecting and adjusting the fan belt refer to page 111 “inspecting and adjusting the fan belt”. Cleaning the air cleaner warning stop the engine and allow the machine to cool down ...

  • Page 121

    119 maintenance 8. Light up the inside of the outer element (3) with a bulb, inspect it, and replace it if there are small holes or thin spots. 9. Remove the cloth or tape applied in step 5. 10. Install the outer element (3). 11. Install the dust cup (2) with the “top” mark at the top, then fasten i...

  • Page 122

    120 maintenance every 500 hours replacing the hydraulic oil return filter refer to page 109 “replacing the hydraulic oil return filter”. Replacing the fuel filter warning do not smoke or permit open flames while handling fuel or working on the fuel system. stop the engine in a well-ventilated pla...

  • Page 123

    121 maintenance every 1000 hours cleaning the engine cooling system warning stop the engine and allow the machine to cool down before performing maintenance. • the engine, muffler, radiator and many other parts of the machine are hot directly after the engine is stopped. Touching these parts will c...

  • Page 124

    122 maintenance every 1000 hours 9. After draining the water, clean using cleaning agent. Clean following the instructions included with the cleaning agent you are using. 10. Repeat steps 4 to 8 to rinse the cooling system. 11. Tighten the drain plug (4). 12. Slowly add the new coolant (mixture of a...

  • Page 125

    123 maintenance every 1000 hours replacing the travel motor gear oil refer to page 117 “replacing the travel motor gear oil”. Inspecting and adjusting the engine valve clearance this operation requires experience. Have it performed by a takeuchi sales or service outlet. Retightening the engine cylin...

  • Page 126

    124 maintenance every 4000 hours replacing the hydraulic oil and cleaning the suction strainer warning stop the engine and allow the machine to cool down before performing maintenance. • the engine, hydraulic lines and many other parts of the machine are hot directly after the engine is stopped. T...

  • Page 127

    125 maintenance every 4000 hours 18. Tighten the drain plug (5). 19. Insert hydraulic oil through the hole in the vent plug (2), adding hydraulic oil to between the upper limit (h) and lower limit (l) of the sight gauge (1). 20. Follow the procedure under “bleeding the air” to bleed the air from the...

  • Page 128

    126 maintenance when required replacing the bucket teeth and the side cutters replace the bucket teeth and the side cutters when the tooth points or the side cutters are worn, before the adapter or the bucket is damaged. Warning before performing maintenance or repairs under the machine, set all w...

  • Page 129

    127 maintenance when required installation 1. Clean the adapter nose (3). If there is gravel or mud on the adapter nose, the tooth point will not go in all the way and the pin cannot be driven in. 2. Put the tooth point (2) in the adapter nose (3). Push in firmly until the tooth point (2) touches the...

  • Page 130

    128 maintenance when required side cutter installation 1. Insert the bolts from the inner of the bucket and tighten the nuts. • tightening torque: 241 n·m (178 ft-lb) 2. Caulk the bolts with a punch at three spots along the periphery of the screw to prevent the nuts from coming loose. Inspecting a...

  • Page 131

    129 maintenance lubricating the levers warning set the machine to the parking posture, stop the engine, remove the starter key and store it. Failure to do so may result in the machine moving abruptly, leading to serious injury or death. If the levers or pedals no longer move smoothly, supply grease....

  • Page 132

    130 maintenance replacing the bucket warning before performing maintenance or repairs under the machine, set all working equipment against the ground or in the lowermost position. if maintenance must be performed with the engine running, always work as a two-person team with one person sitting i...

  • Page 133

    131 maintenance when required 3. Operate the cylinder, line up pin hole (b) in the bucket with the pin hole in the link arm (6), and install the pin (2). 4. Line up the turn prevention holes, install the bolt (1), and the nuts. Be sure to leave a gap of about 0.5 ~ 1 mm (0.02 ~ 0.04 in.) between the...

  • Page 134

    132 maintenance inspecting the rubber crawlers repair or replace the rubber crawlers if their conditions are as described below. Consult a takeuchi sales or service outlet about repairs or replacement. Rubber crawler replace the crawler if the entire crawler is stretched and cannot be adjusted. (1) ...

  • Page 135

    133 maintenance replacing the rubber crawlers warning if you must work beneath the raised machine or equipment, always use wood blocks, jack-stands or other rigid and stable supports. Never get under the machine or working equipment if they are not sufficiently supported. This procedure is especial...

  • Page 136

    134 maintenance 6. Check that the rubber crawler is securely engaged on the sprocket and idler. 7. Tighten the rubber crawler to the standard tension. Refer to page 112 “inspecting and adjusting the crawler tension”. 8. Install the other rubber crawler using the same procedure. When required.

  • Page 137

    135 maintenance tilting up the platform for inspection and maintenance, the platform is designed so that it can be tilted up. Warning raising or lowering the platform while the engine is running may cause the machine to move, and cause serious injury or death. Stop the engine before raising or low...

  • Page 138

    136 maintenance long-term storage procedures for storage if the machine is to be stored for 30 days or more, store it indoors. If it must be stored outdoors, stop it on wood laid out on a flat surface and place a waterproof cover over it so that it stays dry. 1. Clean the machine. 2. Inspect for oil ...

  • Page 139

    137 troubleshooting symptoms that are not malfunctions ........138 if the engine overheats ................................139 if the battery goes dead .............................140 after the fuel runs out ................................141 if a fuse blows ..........................................

  • Page 140

    138 troubleshooting symptoms that are not malfunctions the following symptoms are not malfunctions: when the arm reaches the vertical position while contracting it while the engine is running at low speed, the contracting speed slows down momentarily. when the bucket teeth reach the horizontal p...

  • Page 141

    139 troubleshooting if the engine overheats warning do not open the engine hood when there is steam coming from the engine room. The steam or hot water may spurt out, resulting in burns. do not remove the radiator cap or drain plugs when the coolant is hot. Stop the engine, let the engine and ra...

  • Page 142

    140 troubleshooting if the battery goes dead the following symptoms indicate that the battery is dead: the starter motor does not turn or turns weakly, and the engine does not start. the horn is weak. Procedure use jumper cables and start the engine using the rescue vehicle’s battery. Warning ...

  • Page 143

    141 troubleshooting if the battery goes dead after the fuel runs out troubleshooting disconnecting the jumper cables once the engine starts, disconnect the jumper cables following the connection procedure in reverse order. 1. Disconnect the clip of jumper cable (b) from the problem vehicle’s engine ...

  • Page 144

    142 troubleshooting if a fuse blows if a light does not turn on or the electric system does not operate, a fuse may be blown. Inspect the fuses. Inspecting and replenishing the fuse warning if the fuse blows as soon as it is replaced, there is a problem with the electric system. Continued use may le...

  • Page 145

    143 troubleshooting to lower the boom if the hoe attachment must be lowered to the ground while the engine is stopped, use the following procedure to do so. This operation is dangerous and requires experience. Have it performed by a takeuchi sales or service outlet. Procedure warning do not approa...

  • Page 146

    144 troubleshooting towing n0a006 d5j001 2 1 warning when towing, serious injury or death could result, if performed incorrectly or the wire rope being used is inappropriate or not properly inspected. it becomes dangerous if the wire rope breaks or becomes disengaged. Use a wire rope appropriate f...

  • Page 147

    145 troubleshooting if a warning lamp lights if a warning lamp is illuminated during operation, park the machine in a safe place and perform the procedures described below. Warning lamp lamp name procedure the coolant temperature has risen irregularly and the engine is overheating. Refer to page 139...

  • Page 148

    146 troubleshooting other symptoms for symptoms not included on the table below or if the problem persists after the proper procedures have been taken, consult a takeuchi sales or service outlet. Symptom main cause procedure left and right operating levers do not move smoothly insufficient grease o...

  • Page 149

    147 troubleshooting other symptoms symptom main cause procedure hydraulic oil temperature is too high insufficient hydraulic oil replenish to the prescribed level. Refer to page 106. Starter motor turns but engine does not start insufficient fuel air in fuel system water in fuel system add...

  • Page 150

    148.

  • Page 151

    149 specifications main specifications ......................................151 machine dimensions ....................................152 operating range ...........................................154 lifting capacities ..........................................157.

  • Page 152

    150 memo.

  • Page 153

    151 specifications main specifications engine manufacturer and model yanmar 3tnv76-xtb rated output kw / min –1 (hp / rpm) 13.9 / 2300 (18.6 / 2300) displacement mi (cu.In.) 1115 (1115) starter v – kw 12 – 1.1 alternator v – kw 12 – 0.48 battery v – ah 12 – 54 sound-power level l wa 92 l wa 92 sound-...

  • Page 154

    152 specifications machine dimensions.

  • Page 155

    153 specifications machine dimensions units: mm (inches) canopy cab sandard arm long arm sandard arm long arm rubber crawler steel crawler rubber crawler rubber crawler steel crawler rubber crawler a 3905 (153.7) 3910 (153.9) 3925 (154.5) 3905 (153.7) 3910 (153.9) 3925 (154.5) b 1400 (55.1) 1400 (55...

  • Page 156

    154 specifications operating range.

  • Page 157

    155 specifications operating range units: mm (inches) item standard arm long arm rubber crawlers steel crawlers rubber crawlers a max. Digging radius 4195 (165.1) 4430 (174.4) b max. Ground digging radius 4085 (160.8) 4330 (170.5) c max. Digging depth 2310 (90.9) 2305 (90.7) 2560 (100.8) d max. Vert...

  • Page 158

    156 memo.

  • Page 159

    157 specifications lifting capacities rated lift capacity chart the loads in the charts do not exceed 87% of hydraulic lift capacity or 75% of tipping load. rated lift capacities limited by rated hydraulic lift capacity are identified by an asterisk(*) the mass of slings and any auxiliary lifti...

  • Page 160

    158 specifications equipped with standard arm lifting capacities 439 440 445 453 827* 1582* 1335* 1339 864 842 886* 620 1046* 604 591 583 581 834 584 606* 839 834 331 538* 467 510* 639* 566* 466 461 355 352 349 638* 0 0.5 (1.6) 0 0.5 1.0 2.5 2.0 2.0 (6.6) 3.5(11.5) 3.0 3.0 (9.8) 1.5 (4.9) 3.5 m 1.5 ...

  • Page 161

    159 specifications equipped with standard arm lifting capacities 0 0.5 (1.6) 0 0.5 1.0 2.5 2.0 2.0 (6.6) 3.5(11.5) 3.0 3.0 (9.8) 1.5 (4.9) 3.5 m 1.5 2.5 (8.2) 4.0 - 1.0 (-3.3) - 0.5 (-1.6) 4.0(13.1) m 1.0 (3.3) - 1.5 (-4.9) ft. (13.1) (1.6) (3.3) (4.9) (6.6) (8.2) (9.8) (11.5) ft. D5k0041e 0 0.5 (1....

  • Page 162

    160 specifications equipped with long arm lifting capacities 543* 348 353 358 464 360 465* 874 over front ; dozer blade up 442* 428* 749* 840 733* 594* 859* 608 590 579 574 825 575 1161* 568* 810* 824 821 1259* 484* 1159* 1396 454 444 437 434 435 343 344 297 d5k0051e units:dan(lbs. ) 0 0.5 (1.6) 0 0...

  • Page 163

    161 specifications equipped with long arm lifting capacities 436 435 547 546 549 566 566 1161* 1259* 1159* 1586* 749* 1044 733* 594* 859* 724* 735 723 718 1028 719 568* 810* 1028 1024 378 428* 442* 484* 465* 451 518* 449 445 439 543* 319 318 402 400 404 411 420 1161* 1259* 1159* 1219 791 749* 759 73...

  • Page 164

    162.

  • Page 165

    163 options general precautions .....................................164 safety signs (decals) ....................................166 biodegradable oil .........................................168 switching the lever pattern ........................169 hydraulic breaker ...............................

  • Page 166

    164 options general precautions precautions on safety warning heed the following when removing or installing an attachment or option: consult with a takeuchi before installing optional attachments. do not use attachments that have not been approved by takeuchi. Doing so may compromise safety or ...

  • Page 167

    165 options precautions on operating attachments warning long attachments reduce machine stability. When traveling down steep slopes or slewing on slopes, the machine may loose its balance and tip over. The following operations are particularly dangerous. Do not perform them. when heavy attachment...

  • Page 168

    166 options safety signs (decals) keep all safety signs clean and legible. Replace all missing, illegible or damaged safety and warning signs. There are other safety signs in addition to the ones listed here. Treat them in the same way..

  • Page 169

    167 options safety signs (decals) 1. A-g selector valve no.03593-32200 2. Check the lever pattern no.03593-32300 g a (iso) 03593-32200

  • Page 170

    168 options biodegradable oil biodegradable oil is a new type of hydraulic oil that is decomposed into carbon dioxide and water by microorganisms in the soil and water. It is highly safe for living organisms and offers advantages in terms of environmental protection. recommended biodegradable oil:...

  • Page 171

    169 options switching the lever pattern (a) : iso pattern (g) : jcb pattern switching the lever pattern 1. Open the left side cover. 2. Loosen the wing bolt (1) from selector valve. 3. Turn the lever (2) to switch the pattern. 4. Tighten the wing bolt (1) and fasten the lever (2) in place. 5. Close ...

  • Page 172

    170 options hydraulic breaker do not pry with the chisel, and do not pry while pounding. do not move the chisel while pounding. do not pound continuously for over 30 seconds on the same surface. do not pound with the cylinder fully extended or contracted (at the stroke end). Leave a margin o...

  • Page 173

    171 options hydraulic breaker replace the hydraulic oil regularly! When using a hydraulic breaker, the oil deteriorates quicker than during normal digging. Be sure to replace the hydraulic oil and return filter element. failure to replace these in time can lead to damage to the machine and breaker’...

  • Page 174

    172 options travel alarm an alarm is sounded when the machine travels and stops when traveling is stopped. If the alarm does not sound when the machine travels, the fuse may be blown. Inspect the fuse. Warning if the fuse which has just been replaced should blow again, there is a problem in the elec...

  • Page 175

    173 memo.

  • Page 176

    174 options radio (for eu) general operation turning the power on press the on/off button . Turning the power off ............................1, 2 press the on/off button to stop current operation. The led lights when the acc is on. Electronic controls .................................3, 4 press the...

  • Page 177

    175 options radio (for eu) to cancel the beep tones ..................1, 7, 8 the unit emits a beep tone to confirm that a function button has been pressed. To cancel the function, follow the procedures below. Turn off the power by depressing the on/off button . With acc on, press the atp button and ...

  • Page 178

    176 options radio (for eu) storing preset stations ..............................3 the preset buttons can be used to store 6 stations in each band (fm1, fm2, and mw) for convenient access to your favorite stations. programming stations select the desired band, then tune in the station you want to ...

  • Page 179

    177 options radio (for eu) clock display mode change ................................1 the display on the unit can be changed by pushing the button . Pushing button alternates the display between time and radio/tape. Press the clock button to switch between the clock and audio display. When a radio ...

  • Page 180

    178 options load safety device the load safety devices include an emergency shut-off valve and an overload warning device. The emergency shut- off valve stops the boom or arm part way through a fall. The overload warning device sounds an alarm when an excessive load is applied. Emergency shut-off va...

  • Page 181

    179 options load safety device overload warning device if a weight greater than the machine is designed to lift is lifted, the overload warning device is activated and a horn is sounded (when the overload warning switch is turned on). Warning continuing to apply the load after the overload warning h...

  • Page 182

    180

  • Page 183

    181 index.

  • Page 184

    182 index a ~ d a accessories ........................................................................52 after cold weather is over ................................................83 after first 100 to 250 hours (new machines only) ........117 after first 50 hours (new machines only) ..................

  • Page 185

    183 index e ~ i e emergency exit........................................ ...........................13 emergency exit........................................ ...........................40 emergency hammer (optional) ..........................................13 emergency hammer (optional) ..............

  • Page 186

    184 index i ~ o inspecting the hydraulic oil level and replenishing .........106 inspecting the rubber crawlers ........................................132 inspecting the water separator ........................................105 inspecting while sitting in the operator’s seat .................103 ...

  • Page 187

    185 index o ~ s overload warning device ........................................ ......179 p park safely ..........................................................................23 parking ................................................................................82 parking the machine ..........

  • Page 188

    186 index s ~ w walk-around inspection ....................................................60 walk-around inspection ..................................................102 warming up the engine .....................................................63 warming up the machine (hydraulic oil) ...............

  • Page 189

    First published february 2004 no.32744 fifth published april 2011 oe-tb23r-c operator’s manual tb23r compact excavator edited and issued by takeuchi mfg. Co., ltd. Printed in japan by station m co., ltd..

  • Page 190: California

    California proposition 65 warning diesel engine exhaust and some of its constituents are known to the state of california to cause cancer, birth defects, and other reproductive harm. Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the state of cal...