Printed by Takeuchi under publication number PUB. 1, this 208-page shop manual for the TB45 compact excavator is the factory's own book, supplied here as a Takeuchi TB45 shop manual PDF. Hydraulic schematics trace oil from the tank and pump through the control valve, selector valve and joystick levers to the cylinders, travel motor and slew motor, while wiring diagrams map the electrical circuits. Troubleshooting fills close to a third of the book and is sorted by symptom for travel, slew, boom, arm, bucket, boom swing and dozer blade. The disassembly chapters take you through the undercarriage, hoe attachment, slew bearing and swivel joint. Set crawler belt tension at 152 to 172 mm (6.0 to 6.8 in.), then torque the shoe bolts to 127 ± 18 ft.lb. On a remote site, there is nobody to call. The PDF is bookmarked and text-searchable, so your copy goes wherever the TB45 is working, on whatever screen you carry.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| General Items of Caution | 9-10 | General Safety Rules, Standard Tightening Torques |
| Items of Caution During Disassembly and Reassembly | 11 | Pre-Disassembly Checks |
| Items of Caution During Removal and Installation of the Hydraulic Units | 12 | Hydraulic Oil Temperature |
| Items of Caution During Removal and Installation of Piping | 13 | Hydraulic Hose Installation |
| Handling of Seals | 14 | O-Ring Maintenance |
| Tightening Torques and General Specifications | 15-20 | Hydraulic Hose Fittings, Pipe Fittings, Bolts and Nuts, Specifications Diagram, General Specifications |
| Performance Check Judgment Standards | 21-34 | Travelling, Slewing, Cylinders, Boom Swing, Natural Fall |
| General Check Judgment Standards | 35-44 | Lever Operating Force, Lever Play, Slew Bearing, Crawler Belts, Pins, Bushings, Lower Machinery, Bucket |
| Disassembly and Reassembly Procedures | 45-98 | Lower Machinery, Hoe Attachment, Upper Machinery, Slew Bearing, Swivel Joint |
| Hydraulic Units Structure and Operation | 99-146 | Hydraulic Oil Tank, Hydraulic Pump, Control Valve, Selector Valve, Joystick Lever, Cylinder, Travel Motor, Slew Motor |
| Troubleshooting Procedures | 147-208 | Entire Machine, Travel, Slew, Boom, Arm, Bucket, Boom Swing, Dozer Blade |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Bushing Inner Diameter | 19.123mm | p. 107 |
| Bushing Overall Length (Rear Pump) | 18.918mm | p. 107 |
| Crawler Belt Tension | 152 — 172 mm (6.0 — 6.8 in.) | p. 38 |
| Shoe Bolt Tightening Torque | 17.5 ± 2.5 kg·m (127 ± 18 ft.lb) | p. 38 |
| Track Roller Standard Value A | 92 mm | p. 41 |
| Track Roller Standard Value B | 116 mm | p. 41 |
| Front Idler Standard Value A | 380 mm | p. 42 |
| Front Idler Standard Value E | 45 mm | p. 42 |
| Drive Sprocket Standard Value A | 7 mm | p. 41 |
| Drive Sprocket Standard Value B | 32 mm | p. 41 |
| Track Spring Track Tension Adjustment Range Standard Value | 45 mm (1.77 in.) | p. 42 |
| Track Spring Cushion Spring Set Dimensions Standard Value | 237 mm (9.33 in.) | p. 42 |
