It is full workshop manual for Takeuchi Hydraulic Excavator model:
TB1140

language:English
number of pages: 652 (full digital version)

Main sections:
General:
Safety Precautions ................................................................................................................................................. 3
Cautions during Disassembly and Assembly ........................................................................................................ 9
Cautions during Removal and Installation of the Hydraulic Units ....................................................................... 9
Cautions during Removal and Installation of Piping .......................................................................................... 10
Handling of Seals ................................................................................................................................................ 10
Tightening Torques ............................................................................................................................................. 11

Specifications:
Names of Components .......................................................................................................................................... 3
Dimensions ............................................................................................................................................................ 4
Lifting Capacities .................................................................................................................................................. 6
Specification Tables .............................................................................................................................................. 9
Mass Tables ......................................................................................................................................................... 16
Recommended Lubricants ................................................................................................................................... 17
Servicing Standards ............................................................................................................................................. 18
Standards for Judging Performance ..................................................................................................................... 25
Reference Value Table .................................................................................................................................. 25
Methods for Inspecting Performance ............................................................................................................ 27

Machine configuration:
Drive System ......................................................................................................................................................... 3
Slew System ........................................................................................................................................................ 15
Travel System ...................................................................................................................................................... 19
Upper Frame ........................................................................................................................................................ 33
Control System .................................................................................................................................................... 43
Attachments ......................................................................................................................................................... 51
Hydraulic System ................................................................................................................................................ 59
Electrical System ................................................................................................................................................. 67
Proportional Control ............................................................................................................................................ 77
Air Conditioner System ....................................................................................................................................... 81
Security System ................................................................................................................................................. 133

Hydraulic units:
Hydraulic Pump ..................................................................................................................................................... 3
Gear Pump ........................................................................................................................................................... 23
Control Valve ...................................................................................................................................................... 31
Solenoide Valve (2-Section)................................................................................................................................ 69
Solenoide Valve (1-Section)................................................................................................................................ 75
Shockless Valve................................................................................................................................................... 81
Pilot Valve ........................................................................................................................................................... 85
Pilot Valve (Travel) ............................................................................................................................................. 97
Pilot Valve (Swing, Dozer Blade) ..................................................................................................................... 111
Cylinders............................................................................................................................................................ 115
Dozer Blade Cylinder ........................................................................................................................................ 131
Travel Motor ...................................................................................................................................................... 139
Slew Motor ........................................................................................................................................................ 165
Swivel Joint ....................................................................................................................................................... 183

Troubleshootings:
OVERALL MACHINE
No operations can be done. ................................................................................................................................... 4
All operations can be done, but there is no power. ............................................................................................... 6
The boom, bucket, slew and arm do not move at all, or the speed is low. ............................................................ 8
MACHINE TRAVEL
Right or left travel is impossible. ........................................................................................................................ 10
Speed drops in the left or right travel, causing the machine to travel in a curve. ............................................... 12
Machine wont accelerate during travel. ............................................................................................................. 14
During travel, the hoe attachment cannot be operated. ....................................................................................... 16
SLEWING
No slewing can be done. ...................................................................................................................................... 17
Right or left slewing cannot be done. .................................................................................................................. 20
Slewing speed is low, or there is no power. ........................................................................................................ 22
The machine slews, but overrun when slewing stops is great, or it cannot be stopped. ..................................... 24
BOOM
The boom cylinder doesnt move. ....................................................................................................................... 26
Boom cylinder operation is slow, or there is no power. ...................................................................................... 29
The amount of boom natural drop is great. ......................................................................................................... 30
ARM
The arm cylinder doesnt move. .......................................................................................................................... 31
Arm cylinder operation is slow, or there is no power. ........................................................................................ 33
The amount of arm natural drop is great. ............................................................................................................ 35
BUCKET
The bucket cylinder doesnt move, or there is no power. ................................................................................... 36
The amount of bucket natural drop is great. ........................................................................................................ 38
BOOM SWING
The swing cylinder doesnt move. ....................................................................................................................... 39
DOZER BLADE
The dozer blade cylinder doesnt move, or there is no power. ............................................................................ 41
The amount of dozer blade natural drop is great or the dozer blade wont hold the machine up. ...................... 43
AUXILIARY HYDRAULICS
The proportional control is impossible. ............................................................................................................... 45

Engine:
It is full engine workshop manual for models:
AA-4BG1T
AA-6BG1
BB-4BG1T
BB-6BG1T

Main sections:
General
Maintenance
Engine disassembley
Engine inspection and repair
Engine reassembley
Lubricating system
Cooling system
Fuel system
Turbocharger
Air compressor
Air electricals
Troubleshooting
Special tools
Repair standard
Conversion table