Every one of the 652 pages in this Takeuchi TB1140 Service Manual PDF (OEM #CN0E000) points at one machine: the TB1140 hydraulic excavator, from the main pump to the turbocharger. Inside this factory shop manual you get full hydraulic schematics and wiring diagrams, exploded views of the piston pump, control valve, pilot valve, and travel and slew motors, plus a dedicated troubleshooting section that chases boom, arm, bucket, travel, and slewing faults down to the failed component. The engine chapters cover the fuel system, cooling, lubrication, and air compressor in the same detail. Set main relief pressure to 34.3 MPa, pilot pressure to 3.9 MPa, and torque 1/2-inch hose union nuts to 58.8 Nm. No more chasing hydraulic faults on forum hearsay. Bookmarked and keyword-searchable; pull it up on your tablet and walk straight to the machine.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| Front Matter & How to Read This Manual | 5-8 | How to Read This Manual, Page Number and Revision Convention, Model Identification, Section Index |
| General | 9-22 | Safety Precautions, Disassembly and Assembly, Hydraulic Unit Removal and Installation, Piping Removal and Installation, Handling of Seals, Tightening Torques |
| Specifications | 23-58 | Component Names, Dimensions, Lifting Capacities, Specification Tables, Mass Tables, Recommended Lubricants |
| Machine Configuration | 59-198 | Drive System, Slew System, Travel System, Upper Frame, Control System, Attachments |
| Hydraulic Units | 199-386 | Hydraulic Pump, Gear Pump, Control Valve, Solenoid Valve, Pilot Valve, Travel Motor |
| Troubleshooting | 387-432 | Overall Machine, Machine Travel, Slewing, Boom, Arm, Bucket |
| Engine (Isuzu 4BG1T) | 433-652 | Lubricating System, Cooling System, Fuel System, Turbocharger, Air Compressor, Engine Electricals |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Hydraulic Hose Fitting Size 1/8 Union Nut (G) Torque | 9.8 Nm (7.3 ft-lb) | p. 19 |
| Hydraulic Hose Fitting Size 1/4 Union Nut (G) Torque | 24.5 Nm (18.1 ft-lb) | p. 19 |
| Main Relief Valve Set Pressure (Boom / Arm) | 34.3 +1.5/-0.5 MPa | p. 47 |
| Pilot Relief Valve Set Pressure | 3.9 +0.5/-0.2 MPa | p. 47 |
| Hydraulic tank replacement interval | Every 2000 hrs. | p. 39 |
| Hydraulic Oil, Total System Capacity | 215 L | p. 39 |
| Hydraulic Oil, Tank Level Capacity | 95 L | p. 39 |
| Slew Relief Valve Set Pressure | 33.3 +1.5/-1.0 MPa | p. 47 |
| Travel reduction gear replacement interval | Every 2000 hrs. | p. 39 |
| Travel reduction gear capacity | 4.2 L | p. 39 |
| Pump Coupling Fastener Torque (point B) | 210~230 N·m | p. 63 |
| Pump Coupling Fastener Torque (point C) | 47.1 N·m | p. 63 |
| Engine Rated Output | 62.2 kW @ 2050 rpm | p. 31 |
| Travel Speed (Rubber Crawler) | 3.0 / 5.3 km/h | p. 31 |
