| 摘要 |
PURPOSE: A confirm system is provided to reduce defective ratio and achieve improved productivity by checking the state of valve timing after assembly and adjustment of timing belt in an accurate and simple manner. CONSTITUTION: A confirm system comprises a crank shaft positioning unit(10) for aligning a crank shaft(1) of an engine(100) in a predetermined phase; a timing mark of a crank shaft sprocket(2) and a cam shaft sprocket; a timing position confirm unit(20) for detecting the timing mark; and a controller(30) for controlling operation of the crank shaft positioning unit and the timing position confirm unit. The crank shaft positioning unit includes three or more position display members arranged at an end of the crank shaft; a rotation control portion(11) coupled with the position display members and which rotates the crank shaft in a predetermined phase; a crank position confirm sensor(12) for detecting the rotation of the crank shaft; and a rotation control portion moving member for moving the rotation control portion.
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