Takeuchi TB290 Compact Excavator Service Manual
Type: Excavator TB290
Format: PDF
Language of the Manual: English
Takeuchi TB290 Service Manual – 518 Pages
Takeuchi TB290 Operating Manual – 259 Pages
For All applicable S/N
The manual describes operation, service, repair and maintenance of the excavator, as well as safety instructions that should be follow.
The Takeuchi TB290 manual is intended for persons who engage in maintenance operations, and explains procedures for disassembly and reassembly of the machine, check and maintenance procedures, maintenance reference values, troubleshooting and outline specifications, etc. Please use this Takeuchi manual for excavator TB290 as a reference in service activities to improve maintenance techniques.
Please note that the contents and diagrams included in this manual may not match your machine exactly.
Items or diagram which manual contains are subject to change without notice due to design modifications, etc. Always store the Takeuchi excavator manual near at hand preferably on the machine itself. When transferring ownership of this machine, be sure to provide the owner manual to the next owner.
Table of Content of TB290 Instructions Manual:
I . GENERAL
II . SPECIFICATIONS
III. MACHINE CONFIGURATION
IV. HYDRAULIC UNITS
V . TROUBLESHOOTING
VI. ENGINE
Before operating, perform the prescribe inspections and make repairs immediately should any irregularities be found. If a failure that causes loss of control such as steering, service brakes or engine occurs, stop the machine motion as quickly as possible, follow the shutdown procedure, and keep machine securely park until the problem is fixed.
Extract from the Service Manual:
| Symptoms | Major causes | Remedies |
| No discharging operation | Direction of rotation is incorrect. Hydraulic oil tank level is too low. Clogging in the suction piping or the suction filter. Viscosity of hydraulic oil is too high. |
Rotate in the rated direction. Add oil to the specified level. Clean the piping. Replace with hydraulic oil of proper viscosity. Run at the rated RPM. |
| Noise is too loud, unusual sound is heard |
Cavitation is being produced due to the crushed hose or clogged filter of the suction side. Joint in the suction side is loose and sucking air. Cavitation is being produced due to too high viscosity of the hydraulic oil. Pump and engine are not center aligned. Frothing of hydraulic oil. |
Remove the dirt and correct the crushing. Retighten each joint. Replace with hydraulic oil of proper viscosity. Center them again. Investigate the cause of frothing and correct it. |
| Oil leak from the oil seal | Oil seal is deformed, worn out or damaged. | Replace the oil seal. |
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