| 摘要 |
<p>PROBLEM TO BE SOLVED: To protect a pattern selector valve in a position causing no obstruction and to enable pattern selection operation to be easily performed.SOLUTION: A pattern selector valve 20 for switching combination patterns of the operation patterns of operation lever devices 14, 16 and a control valve group 18 is located on the lower side of a floor panel 21 and provided in a rising posture with a selector lever 20C becoming an upper end part. A lever selector opening 21A is provided at a position corresponding to the selector lever 20C in the floor panel 21. A cover member 22 configuring a part of the floor panel 21 and for blocking the lever switching opening 21A is provided in the floor panel 21, and a lever position checking window 22A for checking a switching position of the selector lever 20C is provided in the cover member 22. Thereby, the pattern selector valve 20 can be protected on the lower side of the floor panel 21 causing no obstruction, and the patterns can be easily switched only by removing the cover member 22.</p> |
