Takeuchi TB128FR Operator's Manual
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Takeuchi TB128FR Operator's Manual

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Summary of Contents for Takeuchi TB128FR

  • Page 2 All persons using this new one from your Takeuchi dealer. machine should thoroughly familiarize When transferring ownership of this machine, themselves with the contents of this be sure to hand this manual to the next manual.
  • Page 3 SIGNAL WORDS IMPORTANT: The word IMPORTANT is used to alert operators and maintenance Safety messages appearing in this manual personnel about situations which could and on machine decals are identified by the result in damage to the machine and its words “DENGER”, “WARNING”...

  • Page 4: Introduction

    If you have any questions about the machine, please contact a Takeuchi sales or service outlet. MANUAL STORAGE COMPARTMENT SERIAL NUMBERS A compartment for storing this manual is...

  • Page 5: Machine Description

    MACHINE DESCRIPTION FRONT, REAR, LEFT AND RIGHT FEATURES • A unique adjustable offset boom system • Short tail swing radius • Tilting up the operator seat floor for easier maintenance • Automatic travel shift-down system • Short pitch rubber crawler •...
  • Page 6 NOTES ON READING THIS MANUAL Please note that the descriptions and diagrams included in this manual may not be applicable to your machine. The numbers used in the illustration are with circles around them. The same numbers appear between the parentheses in the text. (Example: (1)) Symbols used in this manual...

  • Page 7: Table Of Contents

    CONTENTS Safety lock lever ........ 2-19 Introduction ........0-2 Throttle lever ........2-19 Operating levers ........ 2-20 Machine description ......0-3 Blade lever ......... 2-20 Travel levers/pedals ......2-21 Safety ..........1-1 Boom offset pedal ......2-21 General precautions ........ 1-2 Accessories ........... 2-22 Precautions when preparing ....
  • Page 8 Cautions after operations ....3-29 Draining the water from the fuel tank .. 5-27 After the cold climate ......3-29 Inspecting the battery fluid level and Handling rubber crawlers ....... 3-30 replenishing ........5-28 Prohibitions ........3-30 Every 100 hours ........5-30 Cautions ..........
  • Page 9 Inspecting and replacing the fuse ..6-6 Inspecting the fusible link ..... 6-7 Restarting after adding fuel ...... 6-8 Bleeding air from the fuel system ..6-8 If a warning lamp flashes ......6-9 Other symptoms ........6-10 Lowering the boom to the ground ..6-12 Towing ...........

  • Page 11: Safety

    SAFETY...

  • Page 12: General Precautions

    SAFETY GENERAL PRECAUTIONS GENERAL PRECAUTIONS When a problem is found on the machine It is your responsibility to observe all If any problem (noise, vibration, smell, disorder of instrument, smoke, oil leak or pertinent laws and regulations and to follow the manufacturer’s instructions on wrong indication of alarm and panel, etc.) is machine operation, inspection and detected during the operation or inspection...
  • Page 13 SAFETY GENERAL PRECAUTIONS Wear appropriate clothing and protective Install a fire extinguisher and first aid kit equipment AG7A005 Be prepared for fire and accidents AG7A004 • Do not wear loose clothing or any • Install an extinguisher and a first aid kit, accessory that can catch on controls or in and learn how to use them.
  • Page 14 SAFETY GENERAL PRECAUTIONS Use a signal person and a flag person Cautions when standing up from or leaving the operator’s seat AG7A007 Learn how to use the hand signals required AG7A009 for particular jobs and make sure who has • Before standing up from the operator’s the responsibility for signaling.
  • Page 15 SAFETY GENERAL PRECAUTIONS Avoid fire and explosion hazards • When handling the fuel, washing oil or paint, open the door and windows to ventilate thoroughly. • Store all flammable fluids and materials in a safe and well-ventilated place. • The short circuit of the electric system may cause the fire.
  • Page 16 SAFETY GENERAL PRECAUTIONS Exhaust fumes from the engine is Handling asbestos dust poisonous Inhaling asbestos dust can cause lung cancer. When handling the materials which may contain asbestos, take the following precautions: • Never use compressed air for cleaning. • Avoid brushing or grinding parts containing asbestos.
  • Page 17 Takeuchi. Doing so may compromise safety or adversely affect the machine’s operation or service life. • Takeuchi will not be held responsible for any injuries, accidents or damage to its products caused by the use by a non- approved attachment.

  • Page 18: Precautions When Preparing

    SAFETY PRECAUTIONS WHEN PREPARING PRECAUTIONS WHEN Check the strength of the bridge PREPARING When traveling over a bridge or a structure, check the permissible load. If the strength is Know the work area insufficient, reinforce the bridge or the structure. Before starting operation, know the working area condition to ensure a safety operation.
  • Page 19 SAFETY PRECAUTIONS WHEN PREPARING Perform inspection and maintenance • Do not leave the cigarette lighter in the every day operator’s compartment. When the room temperature rises, the lighter may explore. Emergency exit Front window (excluding machines with a front guard) AG7A020 Failure to identify or repair the irregularities or damage on machine can lead to accidents.

  • Page 20: Precautions When Starting

    SAFETY PRECAUTIONS WHEN STARTING PRECAUTIONS WHEN STARTING Support your weight in a three point secure stance when getting on/off the machine • Do not jump on or down from the machine. Never attempt to get on or off the moving machine.
  • Page 21 SAFETY PRECAUTIONS WHEN STARTING Starting with jumper cables In cold climates AG7A027 AG7A025 Use jumper cables only in the recommended • Be careful of slippery conditions on freezing manner. Improper use of jumper cables can ground, steps and hand holds. result in battery explosion or unexpected •...

  • Page 22: Precautions When Operating

    SAFETY PRECAUTIONS WHEN OPERATING PRECAUTIONS WHEN Do not permit riders on the machine OPERATING Ensure good visibility • When working in dark places, turn on the machine’s working lights and headlights and additional lighting equipment installed, as necessary. • When visibility is poor due to bad weather (fog, snow, rain or a cloud of dust), stop operating the machine and wait until AG7A029...
  • Page 23 SAFETY PRECAUTIONS WHEN OPERATING Check the position of the undercarriage (tracks) before traveling Dozer blade AG7A034 • Avoid crossing over obstacles whenever possible. If you must do so, keep the hoe attachment close to the ground level and AG7A032PE Before operating the travel levers/pedals, travel slowly.
  • Page 24 SAFETY PRECAUTIONS WHEN OPERATING Cautions on traveling on slopes • When traveling on slopes or grades, drive slowly in 1st (low) speed. When When traveling on slopes or grades, be descending a slope, slow down the engine careful that the machine does not tip (roll) speed.
  • Page 25 SAFETY PRECAUTIONS WHEN OPERATING Operate the machine on snow or ice with Ensure driver’s safety when loading extra care • When traveling on snow or on frozen surfaces, drive at a low speed and avoid starting, stopping or changing directions abruptly.
  • Page 26 SAFETY PRECAUTIONS WHEN OPERATING Keep a safe distance from the overhead high-voltage cables AG7A042 • Pay also careful attention to the high- voltage electric cables buried underground. AG7A041 Never bring any part of the machine or loaded material to near to the high voltage cables unless all safety precautions required by the local and national authorities have been installed.
  • Page 27 SAFETY PRECAUTIONS WHEN OPERATING Watch out for hazardous working conditions AG7A046 • Do not come close to unstable grounds (cliffs, road shoulders, deep ditches). If the ground should collapse under the weight AG7A043 • Never undercut a high bank. Doing so is or vibration of the machine, there is a dangerous as it may cause ground hazard that the machine may fall or tip...
  • Page 28 SAFETY PRECAUTIONS WHEN OPERATING Operating on slopes is dangerous When operating on slopes or grades, slewing or operation of working equipment may cause the machine to lose stability and tip over. Avoid operating on slopes whenever possible. AG7A048 • When doing demolition work, do not perform demolition above your head.
  • Page 29 SAFETY PRECAUTIONS WHEN OPERATING Never slew sideways with a heavy load Excavators are not designed for lifting loads AG7A052 The machine can tip over more easily in the AG7A054 lateral direction than in the longitudinal This machine is specifically designed for direction.
  • Page 30 SAFETY PRECAUTIONS WHEN OPERATING Be careful with flying objects Cautions when towing This machine is not equipped with protective equipment to protect the operator from flying objects. Do not use this machine in places where there are risks of the operator being hit by flying objects.

  • Page 31: Precautions When Stopping

    SAFETY PRECAUTIONS WHEN STOPPING PRECAUTIONS WHEN STOPPING Park safely AG7A060 • Before leaving the machine, do the followings: 1. Lower the bucket and the dozer blade to the ground. 2. Raise the safety lock lever to the locked position. AG7A058 3.

  • Page 32: Precautions When Transporting

    SAFETY PRECAUTIONS WHEN TRANSPORTING PRECAUTIONS WHEN • Lock the cab door after being loaded, if applicable. Otherwise, the door may open TRANSPORTING during transport. • Chock the tracks and secure the machine Load/unload the machine safely to the truck bed with wire rope or chain. Ramp Stopper 15º...
  • Page 33 SAFETY PRECAUTIONS WHEN TRANSPORTING Hoist the machine safely Transport the machine safely • Know and use correct crane signals. • Know and follow the applicable safety • Check the hoisting equipment for damaged rules, vehicle code and traffic laws when or missing parts on a daily basis and transporting the machine.

  • Page 34: Precautions On Maintenance

    SAFETY PRECAUTIONS ON MAINTENANCE PRECAUTIONS ON Replace safety-critical parts periodically MAINTENANCE • Replace fuel hoses periodically. Fuel hoses wear out over time, even if they do not Display a “DO NOT OPERATE” alert sign show any symptom of wear. • Regardless of the replacement schedule, Severe injury could result if an unauthorized replace immediately if a symptom of wear person should start the engine or touch...
  • Page 35 SAFETY PRECAUTIONS ON MAINTENANCE Prohibit access by unauthorized persons Always keep the machine clean AG7A068 AG7A070 Do not allow unauthorized personnel in the • Clean the machine before performing work area while working. Be careful when maintenance. grinding, welding or using a hammer. You •...
  • Page 36 SAFETY PRECAUTIONS ON MAINTENANCE Stay clear of the moving parts Secure the working equipment To prevent unexpected movement, firmly secure the working equipment when repairing or replacing the bucket teeth or side cutter. Secure the engine hood or cover when opened Be sure to secure the engine hood or cover before working the inside.
  • Page 37 SAFETY PRECAUTIONS ON MAINTENANCE Place heavy objects in a stable position • Never use fuel for cleaning. • Use the correct grade of fuel for the operating season. Handling of hoses Oil leak or fuel leak can cause a fire. •...
  • Page 38 SAFETY PRECAUTIONS ON MAINTENANCE Be careful with hot cooling systems Release pressure before working on the hydraulic system Oil may spurt out if caps or filters are removed or pipes are disconnected before releasing the pressure in the hydraulic system. •...
  • Page 39 Handling of the accumulator front of the grease discharge valve. • If grease does not come out when the grease discharge valve is loosened, the valve is faulty. Ask a Takeuchi service agent for repair. AG7A089 Be sure to handle the high-pressure nitrogen gas enclosed in the accumulator with care.
  • Page 40 SAFETY PRECAUTIONS ON MAINTENANCE Disconnect the battery wiring Use caution when handling batteries • Batteries contain sulfuric acid which will damage the eyes or skin in case of contact. · If eye contact occurs, flush immediately with clean water and get prompt medical attention.
  • Page 41 SAFETY PRECAUTIONS ON MAINTENANCE Periodically replace the safety-critical Jump starting with booster cables parts • When starting the engine using the booster • To use the machine safely for a longer cables, be sure to connect the cables in period, periodically add oil and perform the proper order described below.
  • Page 42 SAFETY PRECAUTIONS ON MAINTENANCE Have a Takeuchi service agent repair Disposing of wastes welding If welding must be performed, make sure that it is done by a qualified person in a properly equipped workplace. To prevent any part from breaking down or being damaged due to overcurrent or sparks, observe the following.

  • Page 43: Safety Signs (Decals)

    Please include your product serial number when ordering a new sign from the Takeuchi service agent. • When a part/unit to which a safety sign is attached is replenished, a new sign must be attached to the new part/unit.
  • Page 44 SAFETY SAFETY SIGNS (DECALS) 1-34...
  • Page 45 SAFETY SAFETY SIGNS (DECALS) 1-35...
  • Page 46 SAFETY SAFETY SIGNS (DECALS) 1-36...

  • Page 47: Controls

    CONTROLS...

  • Page 48: Names Of Components

    CONTROLS NAMES OF COMPONENTS NAMES OF COMPONENTS Upperstructure Undercarriage Working equipment 1. Cab 6. Crawler belt 11. Bucket 2. Seat 7. Idler 12. Bucket cylinder 3. Engine hood 8. Track roller 13. Arm 4. Fuel tank 9. Carrier roller 14. Arm cylinder 5.

  • Page 49: Specifications

    CONTROLS NAMES OF COMPONENTS 1. Instrument cluster 11. Right operating lever 2. Starter switch 12. Travel levers/pedals 3. Light switch 13. Auxiliary hydraulic buttons* 4. Horn button 14. Blade lever 5. Travel speed switch 15. Offset pedal 6. Wiper switch (cab)* 16.

  • Page 50: Covers

    CONTROLS COVERS COVERS MAINTENANCE COVER STARTER KEY Open this cover to perform a maintenance operation of the control valve or to switch the The starter key is used to start and stop the pattern of the operating lever. engine, as well as to lock and unlock the 1.

  • Page 51: Fuel Filler Port

    CONTROLS COVERS FUEL FILLER PORT ENGINE HOOD WARNING WARNING • Do not smoke and keep away from heat Before opening the engine hood, be sure or flame while filling the fuel tank. to stop the engine. If a hand or tool •...

  • Page 52: Fuse Box

    CONTROLS COVERS FUSE BOX TOOL CASE This box is used to protect the electric 1. Remove the wing bolt (1) and turn the system from over current. cover (2). Opening 1. Push in the front tab on the fuse box cover (1), and then pull the cover (1) backward.

  • Page 53: Cab

    CONTROLS 2. Open the door fully and press it against the cab to secure it in place. CAB DOOR Closing WARNING When getting on or off the cab, first open the door all the way until it is secured in the catch and check that it does not move.

  • Page 54: Front Window

    CONTROLS FRONT WINDOW WARNING • Grasp the handles firmly with both hands when opening and closing the front window. It may hit your head or hands if it slips from your hands. • The front window comes closed to your head when you are opening or closing it.

  • Page 55: Lower Front Window

    CONTROLS 3. Place the lower front window through the guides (5) at the rear, and then set it on the guide (6). SIDE WINDOW 4. Release your thumbs from the knobs (3), and then push the front window forward to secure it with the pins (4).

  • Page 56: Seat And Seat Belt

    CONTROLS SEAT AND SEAT BELT SEAT AND SEAT BELT 2. Release the lever (2) at the desired position to secure the seat. SEAT Adjustment range: 15 positions, in 150 mm (5.9 in.) WARNING Adjust and secure the seat. AG7B022 (C) Adjusting according to operator’s weight 1.

  • Page 57: Seat Belt

    CONTROLS SEAT AND SEAT BELT SEAT BELT Releasing the seat belt CAUTION Be sure to fasten the seat belt securely before starting the engine. Fastening the seat belt 1. Adjust the seat to the desired position for operation, sit up and sit back in the chair. 2.

  • Page 58: Instrument Cluster

    CONTROLS INSTRUMENT CLUSTER INSTRUMENT CLUSTER WARNING LAMPS IMPORTANT: If a warning lamp flashes and an alarm is sounded, immediately stop all operations and check the corresponding component. Refer to “Troubleshooting” on page 6-9. 1. Battery charge warning lamp This lamp flashes and an alarm is sounded if a problem rises in the charging system while the engine is running.

  • Page 59: Indicators

    CONTROLS INSTRUMENT CLUSTER INDICATORS METERS 5. Travel speed lamp 8. Water temperature gauge This lamp lights up when the travel speed Indicates the temperature of the engine switch is set to 2nd (high) speed. coolant water. The needle should be within the green range during machine operation.

  • Page 60: Switches

    CONTROLS SWITCHES SWITCHES BATTERY SWITCH STARTER SWITCH IMPORTANT: Never set this switch to the OFF (O) position while the engine is running. Doing so will cause the engine and the electrical circuits to fail. AG7B029 IMPORTANT: Do not repeatedly switch the key from OFF to ON and ON to OFF over a short period.

  • Page 61: Horn Button

    CONTROLS SWITCHES HORN BUTTON DECELERATION BUTTON WARNING Before operating the Deceleration button, set the operating and the travel levers to the neutral positions. If the button is operated while either lever has been engaged, the machine’s operating speed will abruptly change. Press the button situated on the right operating lever to blow the horn.

  • Page 62: Auxiliary Hydraulic Buttons

    CONTROLS SWITCHES AUXILIARY HYDRAULIC BUTTONS TRAVEL SPEED SWITCH WARNING When a load greater than a set value is applied while traveling in 2nd (high) speed, the speed will automatically slow down to 1st (low) speed. When the load becomes lighter, the speed will increase and return to 2nd (high) speed.

  • Page 63: Light Switch

    CONTROLS SWITCHES LIGHT SWITCH WIPER SWITCH IMPORTANT: If no washer fluid is discharged, do not operate the washer. Doing so may damage the pump. IMPORTANT: Operating the wiper with no moisture on the windshield will scratch the glass. Use water or washer fluid when operating the wiper.

  • Page 64: Attachment Interference Prevention Switch

    CONTROLS SWITCHES ATTACHMENT INTERFERENCE S ..Standard bucket attachments or PREVENTION SWITCH those having the width of 460 mm (18.1 inches) or less R ..Reset. Select the appropriate WARNING attachment width. • Failure to properly set the Attachment M ..Bucket attachments having a width of more than 460 mm (18.1 inches), or Interference Prevention Switch can result in equipment damage, serious...

  • Page 65: Levers And Pedals

    CONTROLS LEVERS AND PEDALS LEVERS AND PEDALS THROTTLE LEVER SAFETY LOCK LEVER WARNING • Before standing up from the operator’s seat to open/close the window or remove/install the lower window, lower the working equipment to the ground, raise the safety lock lever to engage the lock and stop the engine.

  • Page 66: Operating Levers

    CONTROLS LEVERS AND PEDALS OPERATING LEVERS BLADE LEVER WARNING • Before starting operation, carefully check which lever pattern you are going to use. • It is described using the ISO pattern in this manual. Use this lever to operate the dozer blade. (A) ..Blade up (B) ..Blade down Refer to “Operating the dozer blade”...

  • Page 67: Travel Levers/Pedals

    CONTROLS LEVERS AND PEDALS TRAVEL LEVERS/PEDALS BOOM OFFSET PEDAL WARNING WARNING • Before operating the travel levers/ Keep the pedal cover to the locked pedals, make sure that the dozer blade position when not using the pedal. is to the front of the operator’s seat. Stepping on a pedal accidentally when it Remember that when the dozer blade is is not locked may cause accidents.

  • Page 68: Accessories

    CONTROLS ACCESSORIES ACCESSORIES Ventilation/Circulation lever Use this lever to switch between Ventilation HEATER and Circulation..Full ventilation: For heating with ventilation. Intake of WARNING external air. Defrosting • Always be sure to allow sufficient the windows. ventilation..Circulation: Quick heating or when •...
  • Page 69 CONTROLS ACCESSORIES Heater valve Coolant circulates in the heater even when the heater switch is turned off. When the heater is no longer needed, stop coolant circulation as follows: IMPORTANT: Use the valve (1) either fully open or fully closed. Cooling water could leak when the valve is partly opened.

  • Page 70: Cigarette Lighter

    Doing so could cause • Do not use any other cigarette lighters fire. than Takeuchi’s. They could be stuck in the middle and not pop out. • Use only those electric products which comply with the specifications of these sockets.

  • Page 71: Interior Light

    CONTROLS ACCESSORIES INTERIOR LIGHT EXTERNAL POWER SOCKETS IMPORTANT: The battery capacity WARNING decreases if the interior light is left on for a long time when the engine is stopped. Use only those electric products which comply with the specifications of these sockets.

  • Page 72: Radio (For Cab)

    CONTROLS ACCESSORIES RADIO (FOR CAB) CAUTIONS ON USE • 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. •...
  • Page 73 CONTROLS ACCESSORIES (7) TUNE button (13) AUX-IN jack Use this button to tune to a radio station. Use this jack to connect an external Press and hold this button ( ) for audio source. Pull off rubber cap and two seconds or more to start seeking the plug the stereo mini-plug of the external audible stations.
  • Page 74 CONTROLS ACCESSORIES Presetting stations AUX audio connection 1. Select the band (FM or AM) and the • Connect a portable audio player and listen station you want to preset. to your favorite music. 2. To set the selected station to a preset •...
  • Page 75 CONTROLS ACCESSORIES Resetting the radio If there are any problems, such as the abnormal display of frequency or failure of selection, reset the radio by pressing the power button and the ZERO button together. Note: That the memory containing the clock setting and the channel setting is cleared after reset.

  • Page 76: Auxiliary Hydraulic Lines

    CONTROLS ACCESSORIES AUXILIARY HYDRAULIC LINES AD6C011 These lines deliver the hydraulic oil necessary WARNING for operating a hydraulic breaker, crusher or Oil may spurt out if pipes disconnected other attachments. before releasing the pressure in the hydraulic system. Stop valve •...
  • Page 77 CONTROLS ACCESSORIES Connecting the hydraulic circuits Disconnecting the hydraulic circuits To connect the attachment hydraulic lines, 1. Release the pressure remaining in the observe the following procedures: lines, and then close the stop valve. 1. Release the pressure remaining in the Refer to “Releasing residual pressure”...
  • Page 78 CONTROLS ACCESSORIES Operating Selector valve Press these buttons to control the flow of the Open ..When using a hydraulic breaker oil in the auxiliary hydraulic lines. (1-way flow) Closed ..When using a reversible (A) ..Hydraulic oil flows to left auxiliary line (a).

  • Page 79: Operation

    OPERATION...

  • Page 80: Before Starting Operation

    OPERATION BEFORE STARTING OPERATION BEFORE STARTING WALK-AROUND INSPECTION OPERATION Perform the walk-around inspections once a day before starting the engine for the first GETTING ON OR OFF THE MACHINE time that day. Refer to “MAINTENANCE, Walk-around inspection”, on pages 5-14 and 5-15. WARNING •...

  • Page 81: Starting And Stopping The Engine

    If a lamp does not light or the alarm is not sounded, the bulb may be burnt out or a wire may be damaged. Ask a Takeuchi service agent for repair. 4. Check that all levers and pedals are in the...

  • Page 82: Starting The Engine

    OPERATION STARTING AND STOPPING THE ENGINE STARTING THE ENGINE Starting in cold climates WARNING WARNING Never use starting fluid on this engine, as • Clear all personnel from the work area. the starting fluid could cause an • Sound the horn to warn people around explosion.

  • Page 83: Warming Up The Engine

    OPERATION STARTING AND STOPPING THE ENGINE WARMING UP THE ENGINE STOPPING THE ENGINE IMPORTANT: Avoid racing the engine until IMPORTANT: Do not stop the engine it has warmed up. suddenly when operating with heavy Do not warm up the engine for a long time loads or at the maximum speed.

  • Page 84: Operating The Machine

    OPERATION OPERATING THE MACHINE OPERATING THE MACHINE LEVER PATTERN (ISO PATTERN) WARNING • Before starting operation, carefully check which lever pattern you are going to use. • It is described using the ISO pattern in this manual. Left crawler forward Right crawler forward Left crawler reverse Right crawler reverse...

  • Page 85: Lever Pattern (Jcb Pattern)

    OPERATION OPERATING THE MACHINE LEVER PATTERN (JCB PATTERN) WARNING • Before starting operation, carefully check which lever pattern you are going to use. • It is described using the ISO pattern in this manual. Left crawler forward Right crawler forward Left crawler reverse Right crawler reverse Boom lower...

  • Page 86: Warming Up The Machine (Hydraulic Oil)

    OPERATION OPERATING THE MACHINE WARMING UP THE MACHINE (HYDRAULIC OIL) WARNING Operating the working equipment without warming up the machine (hydraulic oil) is dangerous, as the working equipment cannot response to controls quickly or may move in unexpected ways, and the safety devices may not operate properly.

  • Page 87: Inspection After Warm-Up

    OPERATION OPERATING THE MACHINE INSPECTION AFTER WARM-UP After warming up the engine and machine (hydraulic oil), perform the checks and inspections described below, and repair if necessary. 6. Travel slowly forward and in reverse several times. Warm-up in cold climates 1.

  • Page 88: Inspecting The Attachment Interference Prevention System

    OPERATION OPERATING THE MACHINE INSPECTING THE ATTACHMENT What to do if the boom automatically INTERFERENCE PREVENTION SYSTEM stops Perform an inspection below to confirm that 1. If the boom stops while it is being raised: the bucket, arm and boom do not touch the Operate the boom downward.
  • Page 89 MEMO 3-11...

  • Page 90: Operating The Travel Levers

    OPERATION OPERATING THE MACHINE OPERATING THE TRAVEL LEVERS Moving the machine forward and backward WARNING • Never allow anyone to enter the machine’s slewing radius and path. • Signal your intention to move by sounding the horn. • There is a blind spot in the rear of the machine.
  • Page 91 OPERATION OPERATING THE MACHINE Traveling in 2nd (High) speed WARNING When a load greater than a set value is applied during traveling in 2nd (high) speed, the speed will automatically slow down to 1st (low) speed. When the load becomes lighter, the speed will increase and return to 2nd (high) speed.
  • Page 92 OPERATION OPERATING THE MACHINE Pivot turn Spin turn To spin left: Turning to the left when stopped: Tilt the left lever backward and the right To turn forward to the left: lever forward. Tilt the right lever forward. To spin right: To turn backward to the left: Tilt the right lever backward and the left Tilt the right lever backward.

  • Page 93: Stopping Travel

    OPERATION OPERATING THE MACHINE STOPPING TRAVEL WARNING • Park the machine on a flat, rigid and safe ground. Set the parking brake. If you must park on a slope, chock the tracks to block the machine. • If any control is accidentally touched when the safety lock lever is not locked, the machine may suddenly move and cause serious injury or death.

  • Page 94: Attachment Interference Prevention Switch/Interference Prevention System

    Doing so may cause the Interference Prevention System to malfunction. If there is a problem, contact a Takeuchi sales or service outlet for inspection or repair. • The interference prevention system may not function properly if attachments...
  • Page 95 OPERATION OPERATING THE MACHINE Operate excavator The minimal front radius feature is only available for the standard bucket attachment 460 mm (18.1 inches) or smaller. 3-17...

  • Page 96: Operating The Working Equipment

    OPERATION OPERATING THE MACHINE OPERATING THE WORKING EQUIPMENT Slewing WARNING WARNING Check the surrounding area for safety • Before starting operation, carefully before slewing. check which lever pattern you are going to use. • It is described using the ISO pattern in this manual.
  • Page 97 OPERATION OPERATING THE MACHINE Operating the arm Operating the boom offset Boom offset left: Arm in: Step on the left side of the pedal. Tilt the left operating lever backward. Boom offset right: Arm push: Step on the right side of the pedal. Tilt the left operating lever forward.

  • Page 98: Operating Procedures

    OPERATION OPERATING PROCEDURES OPERATING PROCEDURES Do not dig while traveling PROHIBITED OPERATIONS WARNING • Do not operate on bedrock (hard or soft). • Do not slew while traveling. If you must operate the hoe attachment while traveling, operate at speeds slow enough so you have complete control at all times.
  • Page 99 OPERATION OPERATING PROCEDURES Do not drive piles with the bucket or dig Digging bedrock by banging the bucket For hard base rock, break the rock up into small pieces with a breaker, etc., before Doing so will shorten the service life of the digging.
  • Page 100 OPERATION OPERATING PROCEDURES Caution on folding the hoe attachment Pay attention to the dozer blade when digging Be careful not to let the bucket to hit the When digging deeply with the dozer blade dozer blade when the hoe attachment is positioned at the front, be careful that the being folded.

  • Page 101: Cautions On Operating

    • Never submerge the slew bearing or main directions abruptly. body in water or sand. If submerged, • When traveling in 2nd speed, do so with contact a Takeuchi service agent for the dozer blade at the front. inspection. 3-23...

  • Page 102: Cautions On Traveling On Slopes

    OPERATION OPERATING PROCEDURES CAUTIONS ON TRAVELING ON SLOPES Traveling posture on slopes Climbing slopes WARNING • Never travel on slopes that are too steep for the machine to maintain its stability (maximum gradeability: 30°, 90°~110° lateral tipping angle: 15°). Note that in reality, the machine’s stability becomes lower than the above values depending on the working condition.
  • Page 103 OPERATION OPERATING PROCEDURES Braking when descending slopes If the engine stops When descending slopes, the brakes are If the engine stops when descending a applied automatically once the travel levers slope, set the travel levers to the neutral are returned to the neutral position. position, stop the machine, then start the engine.

  • Page 104: Getting Out Of Mud

    OPERATION OPERATING PROCEDURES GETTING OUT OF MUD OPERATIONS POSSIBLE WITH THIS MACHINE If the machine gets stuck in mud, use the procedure below to get it out. Excavating If one crawler is stuck 1. Set the dozer blade on the side opposite to the side you want to dig on.
  • Page 105 OPERATION OPERATING PROCEDURES Digging side drains Leveling Use the boom offset function to dig side 1. Bring the hoe attachment close to the ditches as shown in the figure. body. 2. Gradually remove the dirt from the side of the mound. Loading 3.

  • Page 106: Parking The Machine

    OPERATION PARKING THE MACHINE PARKING THE MACHINE 1. Set the left and right travel levers to the neutral position. PARKING 2. Return the throttle lever to idle the engine at low speed. 3. Lower the bucket and the dozer blade to WARNING the ground.

  • Page 107: Handling In Cold Climates

    When the climate becomes warmer, do as Inspect the battery. If it is discharging, follows: contact a Takeuchi service agent to have the • Replace the fuel and oil for all parts with battery recharged. those specified in the “Fuel and lubricant Refer to “Inspecting the battery fluid level...

  • Page 108: Handling Rubber Crawlers

    OPERATION HANDLING RUBBER CRAWLERS HANDLING RUBBER CRAWLERS Rubber crawlers have an inherent weakness, lack of strength, due to their use of rubber. Be sure to observe the prohibitions and cautions below to prevent the crawlers from being damaged or coming off. PROHIBITIONS •...

  • Page 109: Cautions

    OPERATION HANDLING RUBBER CRAWLERS CAUTIONS Observe the following cautions when operating the machine: • Rubber crawler belts are not as stable as steel crawler belts since the entire lugs are made of rubber. Be very careful when slewing and swinging sideways. •...
  • Page 110 OPERATION HANDLING RUBBER CRAWLERS • Do not change directions when the crawler • When climbing in reverse, do not change belts are slack as shown in the figure. directions at the point where the slope starts. AG7E042 • The rubber crawler belts will come off if the •...

  • Page 111: Transport

    TRANSPORT...

  • Page 112: Loading And Unloading

    TRANSPORT LOADING AND UNLOADING LOADING AND UNLOADING When loading or unloading the machine, be sure to use ramps or a platform and follow the procedure below. WARNING The machine may roll or tip over or fall while being loaded or unloaded. Take the following precautions: •...
  • Page 113 TRANSPORT LOADING AND UNLOADING AG7F003 7. Drive the machine straight toward the ramps and travel up or down the ramps at 1st (low) speed, by following the signal from the signal person. 8. Load the machine at the specified position on the transporter.

  • Page 114: Hoisting The Machine

    Do not move the machine over the heads of the persons. slowly again. IMPORTANT: This hoisting method applies to machines with standard specifications. The center of gravity differs according to the attachments and optional equipment installed. Contact your Takeuchi service agent for details.
  • Page 115 TRANSPORT HOISTING THE MACHINE <Three-point suspension>...

  • Page 116: Securing The Machine

    TRANSPORT SECURING THE MACHINE SECURING THE MACHINE After loading the machine at the specified position, secure it as described below. Transporting posture Wire rope AG7F005PE PRECAUTIONS TO BE TAKEN DURING 1. Lower the dozer blade. TRANSPORTATION 2. Extend the bucket cylinder and arm cylinder fully, and then lower the boom.

  • Page 117: Maintenance

    MAINTENANCE...

  • Page 118: General

    MAINTENANCE GENERAL GENERAL CAUTIONS ON MAINTENANCE MAINTENANCE OVERVIEW Do not perform any other inspection and maintenance works than those listed in this To keep the machine in good condition and manual. use if for a long period, perform the For works not listed in this manual, ask your inspection and maintenance properly and sales or a service dealer for help.
  • Page 119 MAINTENANCE GENERAL Clean the installation surfaces Check after maintenance When installing and removing parts, be sure • Gradually increase the engine speed from a that the surfaces of contact of the parts are low idle to maximum speed and check that clean.

  • Page 120: Service Data

    MAINTENANCE SERVICE DATA SERVICE DATA FUEL AND LUBRICANT TABLE Select the appropriate fuel, lubricant and grease according to the temperature by referring to the table below. • Regardless of the specified time, change the oil if it becomes too dirty or degraded. •...
  • Page 121 *** : The hydraulic oil replacement interval depends on the type of hydraulic oil being used. New machine are delivered with Takeuchi genuine hydraulic oil 46, and the hydraulic oil replacement intervals indicated in this manual assume that Takeuchi genuine hydraulic oil 46 is being used.

  • Page 122: Regularly Replace The Hydraulic Oil

    MAINTENANCE SERVICE DATA Volume Engine cooling Hydraulic oil Travel reduction Engine oil pan Fuel tank system tank gear Upper limit 4.3 L (4.5 US qt.) System 39 L (10.3 US gal.) 0.5 L X 2 3.6 L (3.8 US qt.) 70 L (18.5 US gal.) (0.53 US qt.) X 2 Lower limit...

  • Page 123: List Of Consumables

    MAINTENANCE SERVICE DATA LIST OF CONSUMABLES Periodically replace consumables such as filters and elements according to the table below. System Item Part name Part No. When to replace Hydraulic oil Every 500 hrs after the Hydraulic system Element 15511-03300 return filter initial 50 hrs.

  • Page 124: List Of Tools

    MAINTENANCE SERVICE DATA LIST OF TOOLS Code Part name Part No. Remarks Spanner 19100-47081 10 - 12 Spanner 19100-47082 14 - 17 Screwdriver 19100-06112 (+) (–) replaceable shank Filter wrench 19100-65081 Hammer 16903-00330 Monkey wrench 16904-00250 250 mm Pliers 16905-00200 200 mm Spanner 16901-00013...

  • Page 125: List Of Tightening Torques

    MAINTENANCE SERVICE DATA LIST OF 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. • The tightening torques used for the mounted plastic covers are not listed in the table below. Consult your sales or service dealer for details.

  • Page 126: Safety-Critical Parts

    MAINTENANCE SAFETY-CRITICAL PARTS SAFETY-CRITICAL PARTS To use the machine safely, periodically perform inspection and maintenance. The safety-critical parts listed below must be periodically replaced for an increased safety. Serious injury or a fire could result if they are worn or damaged. List of safety-critical parts Unit Safety-critical parts to be replaced periodically When to replace...
  • Page 127 MAINTENANCE SAFETY-CRITICAL PARTS The material of the safety-critical part listed on the left tends to change over time and cause wear or deterioration. It is difficult to determine the degree of deterioration at the periodic inspection, and thus they need to be replaced with new ones after a certain time to maintain their proper performance even if they appear in good condition.

  • Page 128: Maintenance List

    MAINTENANCE MAINTENANCE LIST MAINTENANCE LIST Inspection and maintenance item Page Walk-around inspection Inspecting by opening the engine hood and covers 5-14 Inspecting by walking around the machine 5-15 Inspecting while sitting in the operator’s seat 5-15 Daily inspection (every 10 Hours) Inspecting and replenishing the coolant 5-16 Inspecting and replenishing the engine oil...
  • Page 129 MAINTENANCE MAINTENANCE LIST Inspection and maintenance item Page Every 500 hours Replacing the hydraulic oil return filter 5-35 Replacing the fuel filter 5-35 Every 1000 hours Replacing the travel motor gear oil * 5-36 Cleaning the engine cooling system 5-36 Replacing the air cleaner element 5-38 Inspecting and adjusting the engine valve clearance...

  • Page 130: Walk-Around Inspection

    MAINTENANCE WALK-AROUND INSPECTION WALK-AROUND INSPECTION Perform the following inspections every day before starting the engine for the first time. WARNING • Before operating, perform the walk-around inspections and make repairs immediately where necessary. • Be sure to secure the engine hood or cover before working the inside. Do not keep the hood or cover open on a windy day or if the machine is parked on a slope.

  • Page 131: Inspecting By Walking Around The Machine

    MAINTENANCE WALK-AROUND INSPECTION INSPECTING BY WALKING AROUND THE INSPECTING WHILE SITTING IN THE MACHINE OPERATOR’S SEAT 4. Check lights for dirt, damage and burnt 14. Check the windshield for dirt or damage. out bulbs. 15. Check the seat and seat belt for dirt or 5.

  • Page 132: Daily Inspection (Every 10 Hours)

    MAINTENANCE DAILY INSPECTION (EVERY 10 HOURS) DAILY INSPECTION (EVERY 1. Open the engine hood. 2. Inspect the cooling water level in the 10 HOURS) reserve tank (1). The level should be between the upper Perform the following inspections every day limit (H) and the lower limit (L).

  • Page 133: Inspecting And Replenishing The Engine Oil

    MAINTENANCE DAILY INSPECTION (EVERY 10 HOURS) INSPECTING AND REPLENISHING THE INSPECTING THE WATER SEPARATOR ENGINE OIL WARNING WARNING • Do not smoke or permit open flames Stop the engine and allow the machine to while handling fuel or working on the cool down before performing fuel system.

  • Page 134: Inspecting The Fuel Level

    MAINTENANCE DAILY INSPECTION (EVERY 10 HOURS) INSPECTING THE FUEL LEVEL INSPECTING THE HYDRAULIC OIL TANK LEVEL AND REPLENISHING WARNING WARNING • Do not smoke or permit open flames while handling fuel or working on the Oil may spurt out if caps or filters are fuel system.
  • Page 135 MAINTENANCE DAILY INSPECTION (EVERY 10 HOURS) Replenishing Pressurizing the hydraulic tank 1. Start the engine and run it at low speed. 2. With the vent plug (1) removed, set the safety lock levers to the released position. · Hydraulic tank pressurization posture IMPORTANT: .Do not fill up to the level higher than the upper limit (H).

  • Page 136: Lubricating The Working Equipment

    MAINTENANCE DAILY INSPECTION (EVERY 10 HOURS) LUBRICATING THE WORKING EQUIPMENT 1. Keep the machine configuration as shown in the diagram above, lower the working equipment to the ground, and then stop the engine. 2. Use the grease gun to lubricate the grease fittings. 3.

  • Page 137: After The Initial 50 Hours (Only For New Machines)

    MAINTENANCE AFTER THE INITIAL 50 HOURS (ONLY FOR NEW MACHINES) AFTER THE INITIAL 50 HOURS 2. Place a pan for catching the waste oil under the drain plug (3). (ONLY FOR NEW MACHINES) 3. Remove the cap (A), install connector (B) and drain the oil.

  • Page 138: Inspecting And Adjusting The Fan Belt

    MAINTENANCE AFTER THE INITIAL 50 HOURS (ONLY FOR NEW MACHINES) INSPECTING AND ADJUSTING THE FAN Adjustment BELT WARNING Stop the engine and allow the machine to cool down before performing maintenance. • The engine, muffler, radiator, hydraulic lines, sliding parts and many other parts of the machine are hot immediately after the engine is stopped.

  • Page 139: Replacing The Hydraulic Oil Return Filter

    MAINTENANCE AFTER THE INITIAL 50 HOURS (ONLY FOR NEW MACHINES) REPLACING THE HYDRAULIC OIL RETURN FILTER WARNING • Stop the engine and allow the machine to cool down before performing maintenance. · The engine and the hydraulic system and many other parts of the machine are hot immediately after the engine is stopped.

  • Page 140: Every 50 Hours

    · If grease does not come out when the grease discharge valve is loosened, The gap (A or B) must be within the the valve is faulty. Ask a Takeuchi following range: service agent for repair. (A) Rubber crawler Inspection 77 to 87 mm (3.0 to 3.4 in.)
  • Page 141 MAINTENANCE EVERY 50 HOURS Adjustment Decreasing the tension Increasing the tension 1. Remove the cover (1). 2. Slowly loosen (one turn) the grease 1. Remove the cover (1). discharge valve (2) with a spanner to 2. Inject grease through the grease fitting (3) discharge grease.

  • Page 142: Lubricating The Slew Bearing

    MAINTENANCE EVERY 50 HOURS LUBRICATING THE SLEW BEARING WARNING Do not slew while lubricating. Doing so is dangerous, as you may get caught in the machine. 1. Stop the engine with the machine in the posture shown on the figure above. 2.

  • Page 143: Draining The Water From The Fuel Tank

    MAINTENANCE EVERY 50 HOURS DRAINING THE WATER FROM THE FUEL Bleeding air from the fuel system TANK Refer to “Bleeding air from the fuel system” on page 6-8. WARNING Note: Air in the fuel system causes the • Do not smoke or permit open flames engine to fail to start or to have problems.

  • Page 144: Inspecting The Battery Fluid Level And Replenishing

    MAINTENANCE EVERY 50 HOURS INSPECTING THE BATTERY FLUID LEVEL Inspection AND REPLENISHING IMPORTANT: Check the fluid level of all cells following the steps below, even DANGER when the fluid level can be checked using • Do not use the battery when the fluid the indicator.
  • Page 145 MAINTENANCE EVERY 50 HOURS • If the fluid level cannot be checked by fluid level lines: Remove the caps (2) and look into the fluid filler holes to check the fluid level. If the fluid is below the sleeve (3), be sure to add distilled water up to the bottom edge of the sleeve (3).

  • Page 146: Every 100 Hours

    MAINTENANCE EVERY 100 HOURS 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.

  • Page 147: After The Initial 250 Hours (Only For New Machines)

    MAINTENANCE AFTER THE INITIAL 250 HOURS (ONLY FOR NEW MACHINES) AFTER THE INITIAL 250 HOURS 1. Set the travel motor so that plug (1) is at the very bottom. (ONLY FOR NEW MACHINES) 2. Place a pan under the plug (1). 3.

  • Page 148: Every 250 Hours

    MAINTENANCE EVERY 250 HOURS EVERY 250 HOURS REPLACING THE ENGINE OIL AND THE OIL FILTER Refer to “Replacing the engine oil and the oil filter” on page 5-21. INSPECTING AND ADJUSTING THE FAN BELT Refer to “Inspecting and adjusting the fan 1.
  • Page 149 MAINTENANCE EVERY 250 HOURS 7. Clean the primary element (3) with dried compressed air (294 to 490 kPa or 43 to 71 psi). First blow the air from the inside of the element along the pleats. Then blow the air from the outside and finally from the inside again.

  • Page 150: Cleaning The Radiator Fins And Oil Cooler Fins

    MAINTENANCE EVERY 250 HOURS CLEANING THE RADIATOR FINS AND OIL COOLER FINS WARNING Wear required appropriate equipment such as protective goggle and filter mask when using compressed air, as metal fragments or other objects can fly and cause serious injury. IMPORTANT: Be careful not to damage the fins when cleaning.

  • Page 151: Every 500 Hours

    MAINTENANCE EVERY 500 HOURS EVERY 500 HOURS REPLACING THE HYDRAULIC OIL RETURN FILTER Refer to “Replacing the hydraulic oil return filter” on page 5-23. REPLACING THE FUEL FILTER WARNING • Do not smoke or permit open flames while handling fuel or working on the fuel system.

  • Page 152: Every 1000 Hours

    MAINTENANCE EVERY 1000 HOURS EVERY 1000 HOURS • Do not remove the radiator cap or the drain plug when the cooling water is REPLACING THE TRAVEL MOTOR GEAR hot. Stop the engine and wait until the engine and the cooling water cool. Then, slowly loosen the radiator cap Refer to “Replacing the travel motor gear oil”...
  • Page 153 MAINTENANCE EVERY 1000 HOURS radiator. If necessary, add cooling water until the radiator is full. 18. Close the radiator cap (5). 19. Clean the interior of the reserve tank (1), and then add coolant to the upper limit (H). 20. When the coolant has been replaced, inspect the coolant level once again after operating the machine.

  • Page 154: Replacing The Air Cleaner Element

    MAINTENANCE EVERY 1000 HOURS REPLACING THE AIR CLEANER ELEMENT 4. Remove the primary element (3). 5. Cover the intake hole at the back of the body (4) with cloth or tape to prevent dirt WARNING from getting in. Stop the engine and allow the machine to <If equipped with the secondary element>...

  • Page 155: Inspecting And Adjusting The Engine Valve Clearance

    MAINTENANCE EVERY 1000 HOURS INSPECTING AND ADJUSTING THE ENGINE VALVE CLEARANCE This operation requires experience. Ask your sales or service dealer for it. RETIGHTENING THE ENGINE CYLINDER HEAD BOLT This operation requires experience. Ask your sales or service dealer for it. 5-39...

  • Page 156: Every 1500 Hours

    MAINTENANCE EVERY 1500 HOURS EVERY 1500 HOURS INSPECTING AND CLEANING THE ENGINE FUEL INJECTORS This operation requires experience. Ask your sales or service dealer for it. INSPECTING THE CRANKCASE BREATHER SYSTEM This operation requires experience. Ask your sales or service dealer for it. 5-40...

  • Page 157: Every 2000 Hours

    MAINTENANCE EVERY 2000 HOURS EVERY 2000 HOURS LAPPING THE ENGINE VALVE SEATS This operation requires experience. Ask your sales or service dealer for it. 5-41...

  • Page 158: Every 4000 Hours

    MAINTENANCE EVERY 4000 HOURS 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 and the hydraulic system and many other parts of the machine are hot immediately after the engine is stopped.
  • Page 159 MAINTENANCE EVERY 4000 HOURS 15. Tighten the drain plug (5). Bleeding air 16. Add hydraulic oil from the hole of plug (1) up to the level between the upper limit IMPORTANT: After replacing the hydraulic (H) and the lower limit (L) in the sight oil, bleed air from the hydraulic circuit and gauge (4).

  • Page 160: When Required

    MAINTENANCE WHEN REQUIRED WHEN REQUIRED 2. Set the bottom surface of the bucket flat and lower it on a block so that the locking REPLACING THE BUCKET TEETH AND pin (1) can be knocked out. THE SIDE CUTTERS 3. Remove the key, then check that the bucket is stable.
  • Page 161 MAINTENANCE WHEN REQUIRED Installation 4. Drive in the locking pin (1) with a hammer until it is flush with the tip of the tooth point (2) ear. 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.
  • Page 162 MAINTENANCE WHEN REQUIRED • Side cutter Installation 1. Insert the bolts from the inner of the bucket and tighten the side cutterwith 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.

  • Page 163: Replacing The Bucket

    MAINTENANCE WHEN REQUIRED REPLACING THE BUCKET Removing WARNING • Before performing maintenance or repairs under the machine, lower all working equipment to the ground or in the lowermost position. • If maintenance must be performed with the engine running, always work as a two person team communicating each other.
  • Page 164 MAINTENANCE WHEN REQUIRED Installation 5. Slide the O-ring (4). 1. Set the O-ring (4) on the bucket as shown Replacing the pin seal on the figure above. 1. Set the pin seal (3) in the direction shown 2. Align the pin hole (A) on the bucket with on the figure above.

  • Page 165: Inspecting And Replenishing The Windshield Washer Fluid

    MAINTENANCE WHEN REQUIRED INSPECTING AND REPLENISHING THE WINDSHIELD WASHER FLUID WARNING Choose ethyl alcohol as washer solution. Do not use methyl alcohol as washer solution. It could damage the eyes. Use a windshield washer fluid designed specifically for motor vehicles. Follow the instructions included with the washer fluid.

  • Page 166: Lubricating The Levers

    MAINTENANCE WHEN REQUIRED LUBRICATING THE LEVERS Offset pedal 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, grease them.

  • Page 167: Inspecting The Rubber Crawlers

    MAINTENANCE WHEN REQUIRED INSPECTING THE RUBBER CRAWLERS (3) Metal core Repair or replace the rubber crawlers if their condition becomes as described below. Consult your sales or service dealer for repair or replacement. Rubber crawler Replace the crawler if the entire crawler is stretched and cannot be adjusted.

  • Page 168: Replacing The Rubber Crawlers

    MAINTENANCE WHEN REQUIRED REPLACING THE RUBBER CRAWLERS Removal 1. Fully release the tension of the rubber crawler. WARNING Refer to “Inspecting and adjusting the • If you must work beneath the raised crawler tension” on page 5-24. machine or working equipment, always use wood blocks, jack-stands or other rigid and stable supports.
  • Page 169 MAINTENANCE WHEN REQUIRED Installation 1. Use the working equipment to lift the body. 2. Set the rubber crawler on the sprocket. 3. Set an iron pipe (1) in the rubber crawler and turn the sprocket slowly in the reverse direction. 4.

  • Page 170: Tilting Up The Platform

    MAINTENANCE TILTING UP THE PLATFORM TILTING UP THE PLATFORM For inspection and maintenance, the platform is designed so that it can be tilted WARNING • Raising or lowering the platform while the engine is running may cause the machine to move, resulting in serious injury or death.

  • Page 171: Maintenance During Extended Storage Period

    MAINTENANCE MAINTENANCE DURING EXTENDED STORAGE PERIOD MAINTENANCE DURING Starting the machine after storage EXTENDED STORAGE PERIOD IMPORTANT: If the above “Storage procedures” have not been followed Storage procedures during the extended storage periods, If the machine is to be stored for 30 days or consult your sales or service dealer more, store it indoors.
  • Page 172 5-56...

  • Page 173: Troubleshooting

    TROUBLESHOOTING...

  • Page 174: Symptoms That Are Not Malfunctions

    TROUBLESHOOTING SYMPTOMS THAT ARE NOT MALFUNCTIONS SYMPTOMS THAT ARE NOT • It becomes less easy to operate the machine when an attachment weighing MALFUNCTIONS more than a standard arm or bucket is installed. The symptoms listed below are not malfunctions. AG7J002 •...

  • Page 175: If The Engine Overheats

    TROUBLESHOOTING IF THE ENGINE OVERHEATS IF THE ENGINE OVERHEATS Remedy procedure 1. Park the machine in a safe place. 2. Check if steam is coming out of the closed WARNING engine hood. • Do not open the engine hood when 3.

  • Page 176: If The Battery Goes Dead

    TROUBLESHOOTING IF THE BATTERY GOES DEAD IF THE BATTERY GOES DEAD Connecting the jumper cables The symptoms below indicate that the IMPORTANT: Set the starter keys of the battery is dead. booster vehicle and the dead machine to • The starter motor does not turn or fails to the OFF position.
  • Page 177 TROUBLESHOOTING IF THE BATTERY GOES DEAD Disconnecting the jumper cables Once the dead machine is successfully running, remove the jumper cables by following the same steps as for connection in the reverse order. 1. Disconnect the clip of jumper cable (B) from the engine block of the dead machine.

  • Page 178: If A Fuse Blows

    TROUBLESHOOTING IF A FUSE BLOWS IF A FUSE BLOWS Fuse layout and circuits protected If a light does not come on or the electrical Capacity Protected circuit Capacity Protected circuit system does not work, a fuse may be blown. Stop solenoid, Inspect the fuses.

  • Page 179: Inspecting The Fusible Link

    TROUBLESHOOTING IF A FUSE BLOWS INSPECTING THE FUSIBLE LINK If the machine is not turned on after turning the starter switch to the ON position, the cartridge type fusible link (1) is likely blown. Open the cover and inspect. If the fusible link is blown, please contact your sales or service dealer.

  • Page 180: Restarting After Adding Fuel

    TROUBLESHOOTING RESTARTING AFTER ADDING FUEL RESTARTING AFTER ADDING Note: Air in the fuel system causes the engine to fail to start or to have other FUEL problems. Always bleed air when the fuel tank is emptied or when there is air in the BLEEDING AIR FROM THE FUEL SYSTEM fuel system.

  • Page 181: If A Warning Lamp Flashes

    TROUBLESHOOTING IF A WARNING LAMP FLASHES IF A WARNING LAMP FLASHES If an alarm is sounded or a warning lamp starts flashing during operation, park the machine in a safe place and perform the remedy procedures described below. Warning lamp Lamp name Causes and remedies Battery charge...

  • Page 182: Other Symptoms

    TROUBLESHOOTING OTHER SYMPTOMS OTHER SYMPTOMS For symptoms not included in the table below or if the problem persists after the proper remedies have been taken, consult your sales or service dealer. Symptoms Major causes Remedies Left and right operating levers •...
  • Page 183 TROUBLESHOOTING OTHER SYMPTOMS Symptoms Major causes Remedies Slewing is not possible or not • Insufficient grease on slew • Grease the bearing. smooth. bearing Refer to page 5-26. Hydraulic oil temperature is • Hydraulic oil level too low • Add up to the specified too high level.

  • Page 184: Lowering The Boom To The Ground

    TROUBLESHOOTING LOWERING THE BOOM TO THE GROUND LOWERING THE BOOM TO THE GROUND If the hoe attachment must be lowered to the ground while the engine is stopped, use the following procedure. This operation is dangerous and requires experience. Ask your sales or service dealer for it.

  • Page 185: Towing

    TROUBLESHOOTING TOWING TOWING and wire rope from being damaged. 2. Move the machine to tension the wire rope. WARNING 3. Move the machine slowly and tow. When towing, serious injury or death could result, if performed incorrectly or Using the light load towing hole the wire rope being used is inappropriate or not properly inspected.
  • Page 186 6-14...

  • Page 187: Specifications

    SPECIFICATIONS...

  • Page 188: Basic Specifications

    SPECIFICATIONS BASIC SPECIFICATIONS BASIC SPECIFICATIONS Type Canopy MASS Rubber crawlers 3315 (7310) 3410 (7520) Operating mass kg (lb) Steel crawlers 3400 (7495) 3500 (7715) PERFORMANCE Heaped 0.068 (2.4) Bucket capacity (cu. ft.) (Standard bucket) Struck 0.051 (1.8) Slew speed (rpm) 10 (10) 2.3 (1.43) Rubber crawlers...
  • Page 189 MEMO...

  • Page 190: Machine Dimensions

    SPECIFICATIONS MACHINE DIMENSIONS MACHINE DIMENSIONS <Canopy>...
  • Page 191 SPECIFICATIONS MACHINE DIMENSIONS <Canopy> Unit: mm (inch) Standard arm Item Rubber crawlers Overall length 4275 (168.3) Upperstructure overall width 1505 (59.3) Overall height 2545 (100.2) Slew radius 865 (34.1) Clearance height under 600 (23.6) upperstructure Crawler base 1545 (60.8) Crawler overall length 2000 (78.7) Crawler overall width 1560 (61.4)
  • Page 192 SPECIFICATIONS MACHINE DIMENSIONS <Cab>...
  • Page 193 SPECIFICATIONS MACHINE DIMENSIONS <Cab> Unit: mm (inch) Standard arm Item Rubber crawlers Overall length 4275 (168.3) Upperstructure overall width 1505 (59.3) Overall height 2530 (99.6) Slew radius 865 (34.1) Clearance height under 600 (23.6) upperstructure Crawler base 1545 (60.8) Crawler overall length 2000 (78.7) Crawler overall width 1560 (61.4)

  • Page 194: Operating Ranges

    SPECIFICATIONS OPERATING RANGES OPERATING RANGES...
  • Page 195 SPECIFICATIONS OPERATING RANGES <Canopy> Unit: mm (inch) Standard arm Item Rubber crawlers Maximum reach 4785 (188.4) Maximum reach at ground reference 4655 (183.3) plane Maximum digging depth 2575 (101.4) Maximum vertical digging depth 2150 (84.6) Reach at maximum vertical digging 2775 (109.3) depth Maximum height of cutting edge...
  • Page 196 MEMO 7-10...

  • Page 197: Lifting Capacities

    SPECIFICATIONS LIFTING CAPACITIES LIFTING CAPACITIES WARNING Rated lift capacity chart • Do not attempt to lift or hold any load • The loads in the charts do not exceed 87% that is greater than these rated values at of hydraulic lift capacity or 75% of tipping their specified load radii and height.
  • Page 198 SPECIFICATIONS LIFTING CAPACITIES Standard arm 7-12...
  • Page 199 SPECIFICATIONS LIFTING CAPACITIES Standard arm 7-13...
  • Page 200 7-14...

  • Page 201: Options

    OPTIONS...

  • Page 202: General Precautions

    CAUTIONS WHEN INSTALLING attachment or optional part, take the ATTACHMENTS following precautions. • Consult with Takeuchi before installing an optional attachment. Be sure to perform a test operation after an • Do not use any attachments not optional or other special attachment has approved by Takeuchi.

  • Page 203: Cautions When Operating Attachments

    OPTIONS GENERAL PRECAUTIONS CAUTIONS WHEN OPERATING • Slewing on slopes ATTACHMENTS • If there is a heavy attachment is installed, the machine takes longer distance than usual to come to a WARNING complete stop when the stopping Long attachments reduce stability of the operation is performed.

  • Page 204: Attachment Combination Table

    WARNING • Consult with Takeuchi before installing an optional attachment. • Do not use any attachments not approved by Takeuchi. Doing so may cause safety problems. Or, it may adversely affect the machine’s operation or service life. • We will not be held responsible for any injuries, accidents or damage to its products caused by the use by a non-approved attachment.

  • Page 205: Selecting A Lever Pattern

    OPTIONS SELECTING A LEVER PATTERN SELECTING A LEVER PATTERN The operating pattern of the left and right operating levers can be selected. WARNING Before starting the engine, check the selector to see which operating pattern the left and right operating levers are set. SWITCHING THE LEVER PATTERN 1.

  • Page 206: Hydraulic Breaker

    OPTIONS HYDRAULIC BREAKER HYDRAULIC BREAKER For handling of the breaker, read the hydraulic breaker’s manual, provided separately. IMPORTANT: When installing an attachment, make sure that it is appropriate for the machine being used. Contact your sales or service dealer for advice on selecting attachments.

  • Page 207: Replacing The Hydraulic Oil Regularly

    OPTIONS HYDRAULIC BREAKER REPLACING THE HYDRAULIC OIL REGULARLY When a hydraulic breaker is used, the oil deteriorates more quickly than that used for a usual operation. Be sure to replace the hydraulic oil and the return filter elements. • Failure to replace these in time can lead to damage to the machine and the breaker hydraulic system.

  • Page 208: Load Safety Device

    OPTIONS LOAD SAFETY DEVICE LOAD SAFETY DEVICE If the emergency shut-off valve (1) or (2) is activated, immediately set the operating The load safety devices include an levers to the neutral position. Do not move emergency shut-off valve and an overload the operating lever to the boom or arm warning device.

  • Page 209: Overload Warning Device

    OPTIONS LOAD SAFETY DEVICE OVERLOAD WARNING DEVICE If a weight greater than the lifting capacity is applied or lifted, the overload warning device is activated and the horn sounds. (When the overload warning switch is turned on.) WARNING If the overload is not removed after the overload warning horn is sounded, the machine may tip over or the emergency shut-off valve may be activated.

  • Page 210: Accumulator

    8. Raise the safety lock lever to engage the • Before disposing of the unit, the sealed lock. gas must be drained. Contact a Takeuchi service agent for help. Lowering the boom when the engine has For a machine with an accumulator, the stopped...

  • Page 211: Travel Alarm

    OPTIONS TRAVEL ALARM TRAVEL ALARM Fuse layout and circuits protected The alarm sounds while the machine is Capacity Protected circuit Capacity Protected circuit traveling and stops when the machine stops Stop solenoid, traveling. Generator If the alarm does not sound when the machine travels, the fuse may be blown.

  • Page 212: Optional Equipment Mass

    OPTIONS OPTIONAL EQUIPMENT MASS OPTIONAL EQUIPMENT MASS Canopy Standard machine mass (rubber crawlers, not including operator) 3250 (7165) 3335 (7350) OPTION Steel crawlers 80 (175) Rubber pads 180 (395) Emergency shut-off valve Boom + Arm 15 (35) Units: kg (lb) *: Mass of optional equipment is added to the standard machine mass.

  • Page 213: Biodegradable Oil

    Have it performed by a Takeuchi sales or service outlet. Flushing • To be performed by a Takeuchi sales or service outlet 1. Drain the hydraulic oil (mineral oil) from the hydraulic tank and clean the inside of the tank and suction strainer.
  • Page 214 First Published July 2009 No.32482 Second Published May 2010 OPERATOR’S MANUAL TB128FR Mini excavator Edited and issued by TAKEUCHI MFG. CO., LTD. Printed in Japan by STATION M Co., Ltd. 8-14...
  • Page 215 EC directives. In case of any alteration of the machine not coordinated with us, this certificate loses its validity. Designation of the machine Compact Excavator Manufacturer TAKEUCHI MFG. CO., LTD 205 Uwadaira, Sakaki-machi, Hanishina-gun, Nagano 389-0605, Japan Model TB128FR...

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