This 412-page Takeuchi TB23R Compact Excavator Workshop Manual (OEM #CD5E000) covers the full machine: general specifications, machine configuration (drive, slew, travel, upper frame), hydraulic units (pump, control valve, solenoid and pilot valves), and complete troubleshooting for travel, slew, boom and arm circuits. It also bundles the full service manual for the machine's Yanmar 3TNV70/3TNV76 diesel engine (teardown, rebuild, fuel injection, timing). Wiring and hydraulic schematics are included for tracing faults on the TB23R.
What's Inside This Takeuchi TB23R Manual
| System | Pages | Key Topics |
|---|
| General | 5-18 | Safety Precautions, Cautions During Disassembly and Assembly, Cautions During Removal and Installation of the Hydraulic Units, Cautions During Removal and Installation of Piping |
| Specifications | 19-44 | Names of Components, Dimensions, Lifting Capacities, Specifications Tables, Mass Tables, Recommended Lubricants, Servicing Standards, Standards for Judging Performance |
| Machine Configuration | 45-98 | Drive System, Slew System, Travel System, Upper Frame, Control System, Attachments, Hydraulic System, Electrical System |
| Hydraulic Units | 99-224 | Hydraulic Pump, Control Valve, Solenoid Valve, Pilot Valve, Cylinder, Travel Motor, Slew Motor, Swivel Joint |
| Troubleshooting | 225-274 | Overall Machine, Machine Travel, Slewing, Boom, Arm, Bucket, Boom Swing, Dozer Blade |
| Engine (Bundled Yanmar 3TNV70/3TNV76) | 275-412 | Engine Removal and Installation, Cylinder Head, Pistons and Crankshaft, Fuel Injection, Cooling and Lubrication (Bundled Yanmar Engine Service Manual) |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Oil filter tightening torque | 20 to 24 N•m (2.0 to 2.4 kgf・m) | p. 310 |
| Applicable oil filter Part No. | 119305-35150 | p. 310 |
| Cooling water volume in an engine | 0.6 liter | p. 404 |
| Fuel injection nozzle pressure (Standard) | 11.8 to 12.8 Mpa (120-130 kgf/cm²) | p. 324 |
| Fuel injection nozzle pressure (New fuel nozzle adjustment) | 0.5 MPa (5 kgf/cm) higher than the standard value | p. 324 |
| Lube oil and filter replacement interval | every 250 hours operation from 2nd time and on | p. 317 |
| Air blowing pressure for cleaning air cleaner element | 0.29 to 0.49 MPa (3.0 to 5.0 kgf/cm²) | p. 318 |
| Diaphragm assy inspection interval | every 1000 hours or 2 years | p. 322 |
| Cooling water replacement interval | at least once a year | p. 321 |
| Oil filter replacement | Replace the lube oil and the filter before the engine running. | p. 332 |
| Air filter cleaning | Clean. | p. 336 |
| Compression pressure (2TNV70, 3TNV70) | 3.24 ± 0.1 MPa (33 ± 1 kgf/cm²) | p. 337 |
