A TB240 that slews sluggishly or creeps on one track sits idle until someone finds the fault, and this Takeuchi TB240 service manual PDF (OEM ID CG8E001) gives you 505 factory pages on that mini excavator. Hydraulic schematics trace oil from the pump through the control valve and pilot valve to the boom and arm cylinders, travel motors and slew motor, while the wiring diagrams map the electrical circuits you'd chase with a meter. Cylinders and motors take up the biggest section, with crawler removal, slew bearing and swivel joint work covered too, and troubleshooting charts sort faults by travel, slewing and boom. Check main relief with oil at 50°C to 60°C and the engine at maximum RPM, then torque the pump mounting bolts to 102 N·m (75 ft.-lb). Nothing stalls a pump swap like one missing figure. Bookmarked and searchable, it helps you pin the fault before ordering, so the right part arrives the first time.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| Safety | 3-12 | Safety Precautions, Cautions When Working |
| Service Data | 13-85 | Dimensional Drawing, Specification Tables, Performance Criteria, Tightening Torque |
| Function | 86-145 | Control Valve, Pilot Valve |
| Drive and Travel Systems | 146-166 | Drive System, Travel System, Crawler Removal, Crawler Installation |
| Slew and Upper Frame Equipment | 167-184 | Slew Equipment, Upper Frame, Slew Motor, Slew Bearing, Swivel Joint |
| Control and Attachment Systems | 185-202 | Control Device, Attachments, Hoe Attachment, Bucket, Boom, Arm |
| Hydraulic Components | 203-247 | Hydraulic Tank, Hydraulic Pump, Control Valve, Pilot Valve, Solenoid Valve |
| Cylinders and Motors | 248-376 | Pilot Valve, Cylinders, Travel Motor, Slew Motor, Swivel Joint |
| Troubleshooting | 377-429 | Overall Machine, Traveling, Slewing, Boom |
| Other | 430-505 | Maintenance Software Manual, Airconditioner |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Hydraulic pump mounting bolt torque | 102 N·m (75 ft.-lb) | p. 154 |
| Travel motor bolt torque | 97 N·m (71.5 ft.-lb) | p. 166 |
| Tie rod nut torque | 70.6 ± 2.9 N·m (52.1 ± 2.1 ft.-lb.) | p. 227 |
| Cap screw torque (frame and housing) | 32 ± 3 N·m (23.6 ± 2.2 ft.-lb.) | p. 223 |
| Engine Oil Pan Capacity (Upper limit) | 7.4 L | p. 26 |
| Hydraulic Tank Total Oil Capacity | 74 L | p. 26 |
| Travel Reduction Gear Oil Capacity | 0.6 L | p. 26 |
| Main Relief Valve Pressure Setting | 24 MPa | p. 20 |
| Hydraulic Hose Tightening Torque (1/4 size, Union nut) | 24.5 +4.9 0 N·m | p. 40 |
| Bite-type pipe fitting torque (8 mm pipe) | 34.3 ± 4.9 N·m | p. 39 |
