The Takeuchi TB280FR service manual PDF (OEM ID CL9E002) takes this hydraulic excavator apart across 528 pages, from crawler removal and track rollers to the slew bearing, swivel joint and travel motor. Wiring diagrams trace the electrical circuits, and hydraulic schematics follow oil from the pump through the control valve, pilot valves and proportional solenoid valves. Disassembly and assembly fills the largest share of the book, covering the boom and arm cylinders, slew reduction gears and parking brake, while a long troubleshooting section sorts faults by traveling, slewing, boom and auxiliary hydraulics. Replace a track roller once it wears from its 120 mm standard to the 116 mm allowable limit, and hold a 3/8 hose union nut to 49.0 ± 4.9 N·m. The cylinder is apart, the crew is waiting, and you are one number short. Your copy is bookmarked and text-searchable on screen, and it prints cleanly, so the pages you need can go to the bench and take the grease.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| Safety | 3-12 | Safety Precautions |
| Service Data | 13-80 | Dimensional Drawing, Specification Tables, Performance Criteria, Tightening Torque |
| Function | 81-142 | Hydraulic Pump, Control Valve |
| Drive and Travel Systems | 143-164 | Drive System, Travel System, Crawler Removal, Crawler Installation, Carrier Roller, Track Roller |
| Slew Equipment and Upper Frame | 165-180 | Slew Equipment, Slew Motor, Slew Bearing, Swivel Joint, Upper Frame |
| Operating Devices and Attachments | 181-210 | Operating Devices, Control Levers, Attachments, Hoe Attachment, Bucket, Boom, Dozer Blade |
| Hydraulic Components (Tank, Pump, Control Valve) | 211-243 | Hydraulic Tank, Hydraulic Pump, Control Valve, Relief Valve, Overload Relief Valve |
| Control Valves (Slew, Blade, Auxiliary) and Pilot Valves | 244-275 | Slew Control Valve, Blade Control Valve, Auxiliary Line Piping, Pilot Valve, Solenoid Valve |
| Cylinders and Travel Motor | 276-350 | Proportional Control Solenoid Valve, Auxiliary Line Piping, Cylinders, Travel Motor, Parking Brake |
| Slew Motor and Swivel Joint | 351-379 | Slew Motor, Reduction Gears, Hydraulic Motor, Relief Valve, Timer Valve, Swivel Joint |
| Troubleshooting | 380-439 | Overall Machine, Traveling, Slewing, Boom, Auxiliary Hydraulics |
| Other | 440-528 | Maintenance Software Manual, Air Conditioner System |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Maximum torque | 283 to 308 N·m (208.7 to 227.2 ft.-lb.) | p. 19 |
| Hydraulic hose union nut (G) 3/8 | 49.0 ± 4.9 N·m | p. 39 |
| Track roller Standard dimension | 120 mm | p. 144 |
| Track roller Allowable value | 116 mm | p. 144 |
| Internal leak limit | 1 mL (0.034 fl. oz) in three minutes | p. 317 |
| AUX1 slide switch voltage error (Voltage high) | 4.8 V or above | p. 423 |
| Engine Oil Pan Capacity (Upper limit) | 9.4 L | p. 25 |
| Hydraulic Tank Capacity (Total amount of oil) | 120 L | p. 25 |
| Engine Cooling System Capacity | 14.0 L | p. 25 |
| Travel Reduction Gear Oil Capacity | 1.1 L | p. 25 |
| Main relief valve pressure setting | 27.5 MPa | p. 20 |
| Pilot pressure | 3.5 MPa | p. 29 |
