Takeuchi TB128FR Operator'S Manual Download Page 181

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6-9

TROUBLESHOOTING

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

warning lamp

There is a problem with the fan belt or charger.

Check the fan belt for slack or breakage and adjust as

necessary.

If the lamp continues ﬂashing after maintenance, there is

likely a problem with the charger. Consult your sales or

service dealer for help.

Refer to “Inspecting and adjusting the fan belt” on page

5-22.

Engine oil

pressure

warning lamp

A problem has occurred in the engine lubrication system.

Inspect the engine oil level.

If the lamp is ﬂashing when the oil is normal or if it

continues ﬂashing after replenishment of oil, consult your

sales or service dealer.

Refer to “Inspecting and replenishing the engine oil” on

page 5-17.

Coolant

temperature

warning lamp

The coolant temperature is too high and the engine is

overheating.

Refer to “If the engine overheats” on page 6-3.

Air cleaner

warning lamp

The air cleaner ﬁlter is clogged.

Clean the ﬁlter.

Refer to “Cleaning the air cleaner” on page 5-32.

IF A WARNING LAMP FLASHES

Summary of Contents for TB128FR

Page 1: ...C 1...

Page 2: ...peration inspection and maintenance of this machine can cause injury or death Read and understand this manual before performing any operation inspection or maintenance on this machine Always store thi...

Page 3: ...ION indicates a hazard with a low level of risk which if not avoided could result in minor moderate injury IMPORTANT The word IMPORTANT is used to alert operators and maintenance personnel about situa...

Page 4: ...position shown on the diagram below Cab 1 After using the manual place it in the plastic pouch and store it back in the manual storage compartment Canopy SERIAL NUMBERS IMPORTANT Do not remove the mac...

Page 5: ...tch rubber crawler Low engine noise and exhaust emissions Electronic control of auxiliary hydraulic circuit Single button operation for engine deceleration Slew motors are equipped with shockless valv...

Page 6: ...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 th...

Page 7: ...ever 2 20 Travel levers pedals 2 21 Boom offset pedal 2 21 Accessories 2 22 Heater 2 22 Cigarette lighter 2 24 Ashtray 2 24 Interior light 2 25 Inside rear view mirror cab 2 25 External power sockets...

Page 8: ...ricating the slew bearing 5 26 Draining the water from the fuel tank 5 27 Inspecting the battery uid level and replenishing 5 28 Every 100 hours 5 30 Cleaning the water separator 5 30 After the initia...

Page 9: ...recautions 8 2 Safety precautions 8 2 Cautions when installing attachments 8 2 Cautions when operating attachments 8 3 Attachment combination table 8 4 Selecting a lever pattern 8 5 Switching the leve...

Page 10: ...0 8...

Page 11: ...1 1 SAFETY...

Page 12: ...maintenance of this machine when under the adverse in uence of alcohol drugs medication fatigue or insuf cient sleep GENERAL PRECAUTIONS When a problem is found on the machine If any problem noise vib...

Page 13: ...ction when operating the machine Loud prolonged noise can cause hearing impairments even the total loss of hearing Install a re extinguisher and rst aid kit Be prepared for re and accidents Install an...

Page 14: ...the lower window lower the working equipment to the ground raise the safety lock lever to engage the lock and stop the engine If any controls should be accidentally touched when the safety lock lever...

Page 15: ...nt before cutting or welding Remove all trash or debris from the machine Make sure that oily rags or other ammable material are not stored on the machine Handle all solvents and dry chemicals foam typ...

Page 16: ...personnel in the work area while working Follow the rules and environmental standard applicable to the work area Be careful not to get crushed or cut Never put your hands feet or other parts of your...

Page 17: ...tachment installed is not contacted with other parts before use Do not use attachments that have not been approved by Takeuchi Doing so may compromise safety or adversely affect the machine s operatio...

Page 18: ...or a signal Fence off the working area and keep off unauthorized persons When working in water or crossing shallow streams or creeks check the depth of the water the solidity of the ground and the wat...

Page 19: ...ools around the operator s seat Do not leave any plastic bottles in the operator s compartment or attach any suction cups on the window glass The plastic bottle or suction cup act as a lens and can ca...

Page 20: ...ne by checking the following items Walk around the machine and warn the person who is servicing the machine or is walking near the machine Do not start the machine until you are certain that no one is...

Page 21: ...e engine and hydraulic oil Check if all gauges and warning devices are properly working Check for any noises Test the engine speed control Operate each control to ensure they are properly working In c...

Page 22: ...on the machine Do not allow anyone to ride on any part of the machine at any time while traveling or operating Check if the work area is safe and secure before operation Con rm the performance limits...

Page 23: ...bove the ground 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 Avoid crossing over obstacles...

Page 24: ...in above the ground When climbing a steep slope extend the hoe attachment to the front In emergencies lower the bucket to the ground and stop the machine Do not change directions on slopes or travers...

Page 25: ...rs deep snow there is a hazard that it may tip over or become buried in the snow Be careful not to drive beyond the road shoulder or to get trapped in a snow drift With frozen ground surfaces the grou...

Page 26: ...between the machine and the high voltage electric cable Check with the local power company about safe operating procedure before starting operations Consider all cables to be high voltage cables and t...

Page 27: ...rocks Maintain a safe distance between the machine and the edge of the digging site Do not dig the ground under the front of the machine When working close to the cliffs or road shoulders to make it e...

Page 28: ...f working equipment may cause the machine to lose stability and tip over Avoid operating on slopes whenever possible Level off the work area Avoid slewing to the downhill direction with the bucket ful...

Page 29: ...f the excavator is used for lifting Never lift loads in excess of capacity Overload will cause the machine to roll and can result in serious injury or death All rated lift capacities are determined by...

Page 30: ...used is inappropriate or not properly inspected It becomes dangerous if the wire rope breaks or becomes disengaged Use a wire rope appropriate for the required tractive force Do not use a wire rope t...

Page 31: ...g on a street 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 machine do the followings 1 Lower the...

Page 32: ...Clean the crawlers Chock the transporter wheels to prevent movement Turn off the deceleration switch and auto deceleration switch Otherwise the engine speed may suddenly increase to cause troubles for...

Page 33: ...Do not hoist the machine with an operator on it When hoisting hoist slowly so that the machine does not tip Keep everyone out of the area when hoisting Do not move the machine over the heads of the p...

Page 34: ...e damaged or weakened tools or tools designed for other purposes Use tools appropriate for the work involved Replace safety critical parts periodically Replace fuel hoses periodically Fuel hoses wear...

Page 35: ...cause short circuits or malfunctions Do not use water or steam to wash the battery electronic control components sensors connectors or the operator s compartment PRECAUTIONS ON MAINTENANCE Stop the e...

Page 36: ...hood or cover when opened 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 PRECAUTIONS ON M...

Page 37: ...p without proper venting may result in pressurization of the tank Handling of hoses Oil leak or fuel leak can cause a re Do not twist bend or hit the hoses Never use twisted bent or cracked pipes tube...

Page 38: ...gically removed within a few hours by a doctor familiar with this type of injury Release pressure before working on the hydraulic system Oil may spurt out if caps or lters are removed or pipes are dis...

Page 39: ...r disassemble the track adjuster There is a very strong spring contained in the track adjuster If the track adjuster is accidentally disassembled the spring can pop out resulting in serious injury Nev...

Page 40: ...rter switch before inspecting or handling the battery Be careful not to let metal tools or any metal objects come into contact with the battery terminals and cause a short circuit Loose battery termin...

Page 41: ...ooster cables When starting the engine using the booster cables be sure to connect the cables in the proper order described below Wrongly connected cables can result in sparking and battery explosion...

Page 42: ...ng Vibrations operators are subject to According to the results of the tests conducted to determine the vibrations transmitted to the operator by the machine the upper limbs are subjected to vibration...

Page 43: ...ty signs Review these signs and the operating instructions in this manual with your machine operators Keep the signs clean and legible If any of the safety labels is peeling or damaged and becomes dif...

Page 44: ...1 34 SAFETY SAFETY SIGNS DECALS...

Page 45: ...1 35 SAFETY SAFETY SIGNS DECALS...

Page 46: ...1 36 SAFETY SAFETY SIGNS DECALS...

Page 47: ...2 1 CONTROLS...

Page 48: ...rcarriage 6 Crawler belt 7 Idler 8 Track roller 9 Carrier roller 10 Travel motor Working equipment 11 Bucket 12 Bucket cylinder 13 Arm 14 Arm cylinder 15 Boom 16 Boom cylinder 17 Boom bracket 18 Offse...

Page 49: ...interference prevention switch 9 Throttle lever 10 Left operating lever 11 Right operating lever 12 Travel levers pedals 13 Auxiliary hydraulic buttons 14 Blade lever 15 Offset pedal 16 Deceleration b...

Page 50: ...ge compartment Engine hood Covers COVERS STORAGE BOX 1 To unlock this box insert the starter key and turn it counterclockwise 2 Open the cover 1 MAINTENANCE COVER Open this cover to perform a maintena...

Page 51: ...lockwise to unlock the cap 2 Turn the fuel ller cap counterclockwise and remove it Closing 1 Install the fuel ller cap to the fuel ller port and then turn the cap clockwise to close it 2 Lock the fuel...

Page 52: ...over 2 FUSE BOX This box is used to protect the electric system from over current Opening 1 Push in the front tab on the fuse box cover 1 and then pull the cover 1 backward Closing 1 Close the cover b...

Page 53: ...ck of the door to secure it in place The door must be locked when getting on or off the machine and while in operation Locking and unlocking CAB 2 Open the door fully and press it against the cab to s...

Page 54: ...inward Be sure that the lock pin 1 is turned until it is secured 4 Grasp the left and right handles 2 and press the knobs 3 with your thumbs to release the window 5 Lift the front window by pulling i...

Page 55: ...IDE 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 CAB AG7B020 7 4 Release your thumbs from the knobs 3 and then push the fron...

Page 56: ...de the seat backward or forward to the desired position for operation of machine 2 Release the lever 2 at the desired position to secure the seat Adjustment range 15 positions in 150 mm 5 9 in 1 2 3 4...

Page 57: ...t to the desired length 3 Make sure that the belt is not twisted and then insert the tongue plate A into the buckle B of the seat belt until you hear a clicking sound as it locks in place 4 Check if t...

Page 58: ...he charging system while the engine is running 2 Engine oil pressure warning lamp This lamp ashes and an alarm is sounded if the lubricant oil pressure abnormally low while the engine is running 3 Coo...

Page 59: ...S 8 Water temperature gauge Indicates the temperature of the engine coolant water The needle should be within the green range during machine operation The red range indicates overheating 9 Fuel Gauge...

Page 60: ...en the starter switch is turned to the ON position if the battery switch is off Make sure that the battery switch is on before starting the engine Refer to Battery switch AG7B029 BATTERY SWITCH IMPORT...

Page 61: ...either lever has been engaged the machine s operating speed will abruptly change Press the button on the right operating lever to lower the engine speed to low idling Press the button again to return...

Page 62: ...y line b Refer to Auxiliary hydraulic lines on page 2 30 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...

Page 63: ...o washer uid 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 uid when o...

Page 64: ...he tooth The Attachment Interference Prevention Switch AIPS is automatically set to the M mode by the Interference Prevention System IPS when the engine is started To use the minimal front radius feat...

Page 65: ...safety lock lever is set to the lock position Do not carelessly touch this control Be careful not to touch the operating levers when raising or lowering the safety lock lever Before leaving the operat...

Page 66: ...using the ISO pattern in this manual Use these levers to operate the boom arm bucket and upperstructure Refer to Lever pattern on page 3 6 Refer to Operating the working equipment on page 3 18 LEVERS...

Page 67: ...while working the machine may suddenly move and cause serious injury or death Use these levers pedals to move forward or backward and to change directions Refer to Operating the travel levers on page...

Page 68: ...igh Heater Defroster A Heater B Defroster Ventilation Circulation lever Use this lever to switch between Ventilation and Circulation Full ventilation For heating with ventilation Intake of external ai...

Page 69: ...he 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 1 Park the machin...

Page 70: ...ter Doing so could cause burns This is the cigarette lighter and internal power supply socket When using be careful not to exceed 12V 5A 1 Push the lighter in 2 Release the lighter and wait for it to...

Page 71: ...ll the time ACCESSORIES EXTERNAL POWER SOCKETS WARNING Use only those electric products which comply with the speci cations of these sockets For beacon Canopy Cab INSIDE REAR VIEW MIRROR CAB Adjust th...

Page 72: ...ess the button to select low tone The TONE LOW display appears on the LCD Press the button again to select high tone 3 LCD Displays the time the receiving frequency and the operation mode 4 CLOCK butt...

Page 73: ...12 AUX button Use this button to choose which to listen to the radio or the external audio source connected to the AUX IN If the external source is chosen the AUX display appears on the LCD 13 AUX IN...

Page 74: ...verwritten If the arrangement of the preset buttons to the corresponding stations is not desirable try the Presetting stations described above AUX audio connection Connect a portable audio player and...

Page 75: ...power 16 W 16 W 4 at DC 28 8 V input 5W 5W 4 at DC 14 4 V input Rated output power 14 W 14 W 10 distortion 4 at DC 28 8V input 3 8 W 3 8 W 10 distortion 4 at DC 14 4V input Dimensions 178 W x 50 H x 9...

Page 76: ...ngine is stopped and while the safety lock lever is still in the unlock position turn the starter switch to ON and press each auxiliary hydraulic switch several times to release the pressure from the...

Page 77: ...When connecting is complete purge air from the hydraulic lines a Start the engine and run it at a low idle speed with no load for 10 minutes b With the engine running in low idle operate the auxiliary...

Page 78: ...B Hydraulic oil ows to right auxiliary line b Releasing residual pressure After the auxiliary hydraulic circuits have been used pressure remains in the circuits This is called the residual pressure R...

Page 79: ...3 1 OPERATION...

Page 80: ...ndrail to support your weight in a three point secure stance hand and feet Never use the safety lock lever or control levers as hand holds WALK AROUND INSPECTION Perform the walk around inspections on...

Page 81: ...on and then perform the following inspections All warning lamps ash and an alarm is sounded for 2 seconds The meters also start functioning After 2 seconds only the battery charge warning lamp 1 and t...

Page 82: ...that the warning lamps are off 5 Return the throttle lever and warm up the engine Refer to Warming up the engine on page 3 5 Starting in cold climates WARNING Never use starting uid on this engine as...

Page 83: ...n the engine at a low idle speed with no load for 5 minutes STOPPING THE ENGINE IMPORTANT Do not stop the engine suddenly when operating with heavy loads or at the maximum speed Doing so may cause the...

Page 84: ...use It is described using the ISO pattern in this manual Left crawler forward Right crawler forward Left crawler reverse Right crawler reverse Arm out Boom lower Arm in Boom raise Upperstructure slew...

Page 85: ...described using the ISO pattern in this manual Left crawler forward Right crawler forward Left crawler reverse Right crawler reverse Boom lower Arm out Boom raise Arm in Upperstructure slew left Bucke...

Page 86: ...levers too quickly when the hydraulic oil temperature is below 20 C 68 F The proper hydraulic oil temperature during operation is 50 to 80 C 122 to 176 F If operations must be performed at lower temp...

Page 87: ...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 1 Check that the warning lamps an...

Page 88: ...om to the right and move the bucket close to the cab 2 Offset the boom fully to the right and check if it can be set to the maximum rear inclination 3 Offset to the left by maintaining the posture sho...

Page 89: ...3 11 MEMO...

Page 90: ...travel levers pedals make sure that the dozer blade is to the front of the operator s seat Remember that when the dozer blade is to the rear of the operator s seat the travel levers pedals must be op...

Page 91: ...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 re...

Page 92: ...t lever Turning to the left while traveling To turn left while traveling forward Set the left lever to neutral To turn left while traveling backward Set the left lever to neutral To turn to the right...

Page 93: ...ver is not locked the machine may suddenly move and cause serious injury or death Note that the dozer blade control cannot be locked even when the safety lock lever is set to the lock position Do not...

Page 94: ...her than Takeuchi approved attachments are installed Do not install attachments not approved by Takeuchi OPERATING THE MACHINE The Attachment Interference Prevention Switch AIPS allows the operator to...

Page 95: ...3 17 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...

Page 96: ...SO pattern in this manual Use the right operating lever to operate the boom and bucket Use the left operating lever to operate the arm and slewing Return the operating levers to the neutral position t...

Page 97: ...ating lever to the left Bucket dump Tilt the right operating lever to the right Operating the boom offset Boom offset left Step on the left side of the pedal Boom offset right Step on the right side o...

Page 98: ...ition or leveling using slew force Do not demolish walls or level ground using slew force Also do not dig the bucket teeth into the ground during slewing Doing so will damage the hoe attachment Do not...

Page 99: ...ulic force of the cylinders and the shallow and long strokes For hard base rock break the rock up into small pieces with a breaker etc before digging This prevents damage to the machine and is thus mo...

Page 100: ...at the rear whenever possible Caution on digging down with the dozer blade This dozer blade is designed for simple earth pushing Do not dig down deeply with the dozer blade Doing so could damage the d...

Page 101: ...starting stopping or changing directions abruptly When traveling in 2nd speed do so with the dozer blade at the front If the rear of the machine is submerged in water as shown in the gure above it cau...

Page 102: ...s seat facing the downhill direction In either case travel must be done while paying attention to the ground in front of the machine Do not descend slopes in reverse Do not change directions on slopes...

Page 103: ...the arm to climb the slope If the engine stops 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 whe...

Page 104: ...for both crawlers 2 Dig the bucket into the ground in front of the machine 3 Pull with the arm while traveling forward to slowly move the machine out OPERATIONS POSSIBLE WITH THIS MACHINE Excavating 1...

Page 105: ...s easier and able to load more load than doing it from the front Also use a small slewing angle for greater ef ciency OPERATING PROCEDURES 1 Bring the hoe attachment close to the body 2 Gradually remo...

Page 106: ...levers to the neutral position 2 Return the throttle lever to idle the engine at low speed 3 Lower the bucket and the dozer blade to the ground 4 Raise the safety lock lever to the locked position 5 L...

Page 107: ...d making it impossible for the machine to move Remove all mud and water from the machine body In particular wipe the hydraulic cylinder rod clean to prevent damage to the seal caused by mud or dirt on...

Page 108: ...oulders may cause the stones to get caught and damage the crawler or make the crawler come off Do not use the machine on the seashore The salt may corrode the steel core Do not let fuel oil salt or ch...

Page 109: ...ides of the rubber crawlers rub against concrete or walls Do not damage the rubber crawlers by hitting the bucket against them Be especially careful on snowy or frozen surfaces in winter as the crawle...

Page 110: ...er on a at surface with the machine at a tilt of 10 or more Travel with both crawlers set on at surfaces Do not change directions when the crawler belts are slack as shown in the gure The rubber crawl...

Page 111: ...4 1 TRANSPORT...

Page 112: ...bles for machines with the deceleration and auto deceleration switches When being loaded or unloaded travel slowly in 1st low gear by following the signal from the signal person Never change courses o...

Page 113: ...ward 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 speci ed position on the transporter Refer to Transporting post...

Page 114: ...speci cations The center of gravity differs according to the attachments and optional equipment installed Contact your Takeuchi service agent for details Hoisting 1 Slew the upperstructure so that the...

Page 115: ...4 5 TRANSPORT HOISTING THE MACHINE Three point suspension...

Page 116: ...asten it securely to prevent the machine from slipping sideways 7 Secure the bucket with a chain or wire rope IMPORTANT Place a wooden block under the bucket to protect the oor from damage caused by t...

Page 117: ...5 1 MAINTENANCE...

Page 118: ...service dealer for help Keep the machine clean Clean the machine before performing inspection and maintenance and try to keep it clean When washing the machine with water stop the engine rst Cover the...

Page 119: ...ained from the machine in containers Improperly disposed waste oil can cause environmental harm Follow appropriate laws and regulations when disposing of harmful objects such as oil fuel cooling water...

Page 120: ...fuel 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 i...

Page 121: ...hrs Levers When required SERVICE DATA If the ratio of traveling time to total operating time is high replace the gear oil earlier than the speci ed time For water use tap water soft Do not use well o...

Page 122: ...operation Be sure to replace the hydraulic oil and the return lter elements Failure to replace these in time can lead to damage to the machine and the breaker hydraulic system To prolong the service...

Page 123: ...5511 03300 Every 500 hrs after the initial 50 hrs Engine lubrication system Engine oil lter Cartridge 129150 35153 Every 250 hrs after the initial 50 hrs Fuel system Fuel lter Cartridge 129907 55801 E...

Page 124: ...905 00200 200 mm 8 Spanner 16901 00013 13 9 Spanner 16900 01922 19 22 10 Spanner 16900 02427 24 27 11 Spanner 16909 00026 26 12 Spanner 16901 00041 41 13 Hex wrench 16906 00400 4 mm 14 Hex wrench 1690...

Page 125: ...alternately top bottom left then right or in 2 or 3 times so that they are evenly tightened Classi cation Head width b Size a x pitch Tightening torque General connection points mm mm N m ft lb Coarse...

Page 126: ...dically When to replace Fuel system Fuel hoses Every 2 years Packing on fuel ller cap Heater Heater hoses Hydraulic system Main body Hydraulic hoses pump delivery Hydraulic hoses pump suction Hydrauli...

Page 127: ...rts ask your sales or service dealer In addition to the safety critical parts inspect the hydraulic hoses and retighten or replace as necessary When replacing the hydraulic hoses replace the O rings a...

Page 128: ...g the engine oil and the oil lter 5 21 Inspecting and adjusting the fan belt 5 22 Replacing the hydraulic oil return lter 5 23 Every 50 hours Inspecting and adjusting the crawler tension 5 24 Lubricat...

Page 129: ...eaning the engine fuel injectors 5 40 Inspecting the crankcase breather system 5 40 Every 2000 hours Lapping the engine valve seats 5 41 Every 4000 hours Replacing the hydraulic oil and cleaning the s...

Page 130: ...ay or if the machine is parked on a slope Before starting the engine look around the machine and clean any combustibles from the surroundings of the engine Also inspect if oil or water is leaking and...

Page 131: ...track rollers idlers and sprockets for damage wear and loose bolts 10 Check for oil leakage from the travel motor 11 Check the canopy cab and guard for damage and loose nuts and bolts 12 Check the re...

Page 132: ...coolant antifreeze comes in contact with eyes or skin wash it off with clean water Otherwise it could result in injures Inspection 1 Open the engine hood 2 Inspect the cooling water level in the reser...

Page 133: ...out 5 minutes then stop it 5 After about 10 minutes inspect the oil level DAILY INSPECTION EVERY 10 HOURS L H 1 AG7G019 2 4 INSPECTING THE WATER SEPARATOR WARNING Do not smoke or permit open ames whil...

Page 134: ...il may spurt out if caps or lters are removed or pipes are disconnected before releasing the pressure in the hydraulic system Gradually loosen the vent plug to relieve tank pressure Inspection The oil...

Page 135: ...ck lever to the locked position 2 Slowly loosen the air bleeding plug 1 to relieve the internal pressure and then remove it 3 Add the hydraulic oil up to the middle of the sight gauge 4 4 Pressurize t...

Page 136: ...RS LUBRICATING THE WORKING EQUIPMENT 1 Keep the machine con guration 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...

Page 137: ...is tightened 4 Remove the connector B and install the cap A IMPORTANT Check the waste oil for metal powder If it contains large amounts of metal powder consult your sales or service dealer 5 Turn the...

Page 138: ...any oil or grease get on the belt Inspection 1 Tilt up the platform Refer to Tilting up the platform on page 5 54 2 Press at the center of the fan pulley 1 and alternator pulley 2 to check the tension...

Page 139: ...spurt out if caps or lters are removed or pipes are disconnected before releasing the pressure in the hydraulic system Slowly loosen the air bleeding plug to relieve the internal pressure When removi...

Page 140: ...e grease tting Loosen the grease discharge valve slowly Do not turn it more than 1 5 turns Do not put your face arms legs or body in front of the grease discharge valve If grease does not come out whe...

Page 141: ...valve 2 with a spanner to discharge grease If grease does not come out well move the machine back and forth 3 Tighten the grease discharge valve 2 Tightening torque 177 N m 130 ft lb EVERY 50 HOURS 1...

Page 142: ...S 1 Stop the engine with the machine in the posture shown on the gure above 2 Use the grease gun to grease the grease tting 1 3 Start the engine lift the bucket and slew clockwise 90 C 4 Lower the buc...

Page 143: ...ap Use the correct grade of fuel for the operating season Do the draining operation before starting the machine 1 Remove the fuel ller cap 2 2 Place a pan under the drain plug 3 3 Remove the drain plu...

Page 144: ...el Do not clean with a dry cloth otherwise it can cause static electricity to build up resulting in ignition or explosion WARNING Wear protective goggle and clothing when working with batteries Do not...

Page 145: ...tension causes the uid to swell and the plate appears as if it is distorted Level too low B If uid does not reach up to the bottom edge of the sleeve 3 the plate looks laminar not distorted 5 Check t...

Page 146: ...ely S Close 1 Open the engine hood 2 Close the valve 2 3 Loosen the ring 3 then remove the case 4 element 5 and indicator ring 6 and clean them 4 Inspect the O ring and the element 5 If there are any...

Page 147: ...in burns or injuries The pressure in the reduction gear case of travel motor may cause oil or the plug to y out Loosen the plug slowly to release the pressure IMPORTANT If the percentage of the trave...

Page 148: ...s or other objects can y and cause serious injury IMPORTANT Be careful not to scratch the element Do not use an element if it is damaged IMPORTANT When operating the machine in very dusty places perfo...

Page 149: ...from the outside and nally from the inside again 8 Light up the inside of the primary element 3 with a light bulb inspect it and replace it if there are small holes or thin spots 9 Remove the cloth or...

Page 150: ...damage the ns when cleaning When using compressed air or pressurized water make sure the pressure is no higher than 200 kPa 28 psi and hold the nozzle suf ciently away from the ns IMPORTANT When usin...

Page 151: ...fore performing maintenance Clean up spilled fuel immediately 1 Open the engine hood 2 Turn the lter 1 counterclockwise with the lter wrench and remove it 3 Clean the surface of installation of the lt...

Page 152: ...o that he she can immediately stop the engine when necessary He she must take care not to touch the lever or pedal unless necessary The one who performs maintenance must make sure to keep his her body...

Page 153: ...4 to 8 to rinse the cooling system 12 Tighten the drain plug 4 13 Take time and slowly add the new coolant mixture of antifreeze and tap water to the radiator through the ll port until it is full 14 C...

Page 154: ...r damaging the engine 1 Open the engine hood 2 Loosen the clamps 1 and remove the dust cup 2 3 Clean the inside of the dust cup 2 4 Remove the primary element 3 5 Cover the intake hole at the back of...

Page 155: ...CTING 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...

Page 156: ...ND 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 sa...

Page 157: ...5 41 MAINTENANCE EVERY 2000 HOURS LAPPING THE ENGINE VALVE SEATS This operation requires experience Ask your sales or service dealer for it EVERY 2000 HOURS...

Page 158: ...rews or when disconnecting hoses stand to the side and loosen them slowly to gradually release the internal pressure before removing 1 Slew 45 clockwise and set the machine to the hydraulic oil level...

Page 159: ...r from the hydraulic circuit and hydraulic devices Failure to do so may damage the hydraulic devices Hydraulic pump 1 Tilt up the platform Refer to Tilting up the platform on page 5 54 2 Loosen the ve...

Page 160: ...s are hit with a hammer wear protective gear such as safety goggles and gloves When hitting pins or bucket teeth always check that there is no one in the surrounding area Do not allow unauthorized per...

Page 161: ...3 Push in rmly until the tooth point 2 touches the tip of the adapter nose 3 Some tooth points 2 are of the type that are installed by turning twisting them clockwise 3 Insert the locking pin 1 makin...

Page 162: ...allation 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 t...

Page 163: ...ard metal parts such as pins bucket teeth side cutter or bearings are hit with a hammer wear protective gear such as safety goggles and gloves When hitting pins or bucket teeth always check that there...

Page 164: ...e pin hole on the link arm 6 and install the pin 2 4 Align the turn prevention holes and then install the bolt 1 and the nut Be sure to leave a gap of about 0 5 to 1 mm 0 02 to 0 04 in between the nut...

Page 165: ...dshield washer uid designed speci cally for motor vehicles Follow the instructions included with the washer uid Inspection 1 Open the cab door 2 Inspect the washer tank 1 and add washer uid if the lev...

Page 166: ...sult in the machine moving abruptly leading to serious injury or death If the levers or pedals no longer move smoothly grease them Operating levers 1 Remove the lower mount section of the boot 1 and t...

Page 167: ...rawler is stretched and cannot be adjusted 1 Lug Replace if the height of A is 5 mm 0 2 in or below 2 Steel cord Replace if the steel cord is exposed for two links or more Replace if the half or more...

Page 168: ...ot to touch the lever or pedal unless necessary The one who performs maintenance must make sure to keep his her body or clothing away from the moving part of the machine 2 Use the working equipment to...

Page 169: ...he idler then stop turning the sprocket 5 Slide the rubber crawler inward engage it on the idler then pull out the iron pipe 6 Check that the rubber crawler is securely engaged on the sprocket and idl...

Page 170: ...Tilt up 3 Remove the lock bolts A and B 4 Slowly raise the platform Tilt up 30 5 Lift the stopper D and insert it into the platform s holder to support the platform If you need to run the engine while...

Page 171: ...ent rusting operate the machine once a month so that the oil can be circulated throughout the system 2 Inspect the battery and recharge it as necessary Ask your sales or service dealer for recharging...

Page 172: ...5 56...

Page 173: ...6 1 TROUBLESHOOTING...

Page 174: ...st horizontal position while the engine is running at low speed The slew motor produces noise at the beginning and end of the slewing The travel motor produces noise when stopped suddenly from its hig...

Page 175: ...ngine immediately and contact your sales or service dealer for repair If steam is not coming out run the engine at low idle and let the water temperature cool down 4 When the water temperature gauge n...

Page 176: ...the protective goggle when jump starting the engine by using the jumper cables IMPORTANT Use the jumper cables and clips of a size suited to the capacity of battery Do not use damaged or corroded jump...

Page 177: ...the engine block of the dead machine 2 Disconnect the other clip of jumper cable B from the negative battery terminal of the booster vehicle 3 Disconnect the clip of jumper cable R from the positive b...

Page 178: ...dvice 1 Turn the starter key to the OFF position to stop the engine IF A FUSE BLOWS 2 Open the fuse box cover 1 3 Check for any blown fuses 4 If a fuse is blown replace it with a spare fuse of the sam...

Page 179: ...usible link 1 is likely blown Open the cover and inspect If the fusible link is blown please contact your sales or service dealer Note Fusible links are large type fuses used in high current applicati...

Page 180: ...Air in the fuel system causes the engine to fail to start or to have other problems Always bleed air when the fuel tank is emptied or when there is air in the fuel system RESTARTING AFTER ADDING FUEL...

Page 181: ...or service dealer for help Refer to Inspecting and adjusting the fan belt on page 5 22 Engine oil pressure warning lamp A problem has occurred in the engine lubrication system Inspect the engine oil l...

Page 182: ...peration not possible Safety lock lever is raised locked Lower release the safety lock lever Refer to page 2 19 Fuse is blown Replace the fuse Refer to page 6 6 Digging force is insuf cient Hydraulic...

Page 183: ...Drain water Refer to page 5 27 Crawlers come off Crawlers too loose Increase the tension Refer to page 5 24 Engine exhaust is white or bluish Excessive engine oil Adjust to the speci ed level Refer to...

Page 184: ...tening torque 27 to 31 N m 20 to 23 ft lb 8 Close the cover 1 LOWERING THE BOOM TO THE GROUND If the hoe attachment must be lowered to the ground while the engine is stopped use the following procedur...

Page 185: ...he machine Use the procedure described below to tow heavy objects or the machine itself if it should get stuck in the mud and not be able to get out on its own and wire rope from being damaged 2 Move...

Page 186: ...6 14...

Page 187: ...7 1 SPECIFICATIONS...

Page 188: ...h Rubber crawlers 1st 2 3 1 43 2nd 4 3 2 67 Steel crawlers 1st 2 3 1 43 2nd 4 3 2 67 Gradeability degrees 30 Ground pressure kPa psi Rubber crawlers 31 8 4 61 32 9 4 76 Steel crawlers 33 5 4 86 34 5 5...

Page 189: ...7 3 MEMO...

Page 190: ...7 4 SPECIFICATIONS MACHINE DIMENSIONS Canopy MACHINE DIMENSIONS...

Page 191: ...1560 61 4 J Crawler shoe width 300 11 8 K Ground clearance of undercarriage 300 11 8 L Minimum radius of equipment and attachment 1805 71 1 M Minimum radius of equipment at maximum front offset 1130...

Page 192: ...7 6 SPECIFICATIONS Cab MACHINE DIMENSIONS...

Page 193: ...560 61 4 J Crawler shoe width 300 11 8 K Ground clearance of undercarriage 300 11 8 L Minimum radius of equipment and attachment 1805 71 1 M Minimum radius of equipment at maximum front offset 1130 44...

Page 194: ...7 8 SPECIFICATIONS OPERATING RANGES OPERATING RANGES...

Page 195: ...umping height 1440 56 7 J Dozer blade maximum lifting 320 12 6 K Dozer blade maximum lowering 290 11 4 Cab Unit mm inch Item Standard arm Rubber crawlers A Maximum reach 4785 188 4 B Maximum reach at...

Page 196: ...7 10 MEMO...

Page 197: ...at poses no risk of the lifted load falling from the hooking device For example equipped with a hook slippage prevention device 3 A system that poses no risk of the hooking system slipping from the ho...

Page 198: ...7 12 SPECIFICATIONS Standard arm LIFTING CAPACITIES...

Page 199: ...7 13 SPECIFICATIONS Standard arm LIFTING CAPACITIES...

Page 200: ...7 14...

Page 201: ...8 1 OPTIONS...

Page 202: ...ssary to temporally place a heavy object or an attachment on the ground during removal or installation be sure to place it in a stable position Keep everyone out of the area when hoisting There is a h...

Page 203: ...eep a safe distance from surrounding obstacles When a heavy attachment is installed natural drop the gradual dropping of the attachment under its own weight when it is stopped in midair increases The...

Page 204: ...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 Failure to properly set the Attachment Interference...

Page 205: ...rn the left and right operating levers are set SELECTING A LEVER PATTERN SWITCHING THE LEVER PATTERN A ISO pattern G JCB pattern 1 Park the machine on a at and rigid ground and stop the engine 2 Open...

Page 206: ...T 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 CAUTIONS ON OPERATING Do not pound...

Page 207: ...ckly than that used for a usual operation Be sure to replace the hydraulic oil and the return lter elements Failure to replace these in time can lead to damage to the machine and the breaker hydraulic...

Page 208: ...m If the emergency shut off valve 1 or 2 is activated immediately set the operating levers to the neutral position Do not move the operating lever to the boom or arm lowering side Ask your sales or se...

Page 209: ...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 If the horn starts sounding stop operating the machine and...

Page 210: ...rictly observe the following precautions Do not disassemble Do not allow ame near or throw it into a re Do not drill weld or fuse Do not subject it to physical shock such as hitting rolling or droppin...

Page 211: ...ce dealer for advice 1 Turn the starter key to the OFF position to stop the engine TRAVEL ALARM 2 Open the fuse box cover 1 3 Check for fuse 4 If a fuse is blown replace it with a spare fuse of the sa...

Page 212: ...Canopy Cab 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 Thi...

Page 213: ...tion is dangerous and requires experience 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 f...

Page 214: ...8 14 First Published July 2009 Second Published May 2010 Printed in Japan by STATION M Co Ltd OPERATOR S MANUAL No 32482 Mini excavator TB128FR Edited and issued by TAKEUCHI MFG CO LTD...

Page 215: ...f any alteration of the machine not coordinated with us this certi cate loses its validity Designation of the machine Compact Excavator Manufacturer TAKEUCHI MFG CO LTD 205 Uwadaira Sakaki machi Hanis...

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Takeuchi TB128FR, Operator'S Manual

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