| 摘要 |
PROBLEM TO BE SOLVED: To enhance the easiness in maintenance work by reducing the burden on the operator to open and close an engine cover and enhance the working easiness, safety, etc. by widening the rear view field during the work. SOLUTION: The engine cover 18 is divided into an opening/closing cover part 19 and a stationary cover part 21, wherein the opening/closing cover part 19 covers that portion of a power source 12 which requires maintenance, and is attached to the top plate 17B of a building cover 17 in such a way as being opened and closed. The opening/closing cover part 19 has a lightweight construction and is required only to be opened and closed for performing the maintenance works of the power source 12, so that the burden on the operator can be reduced. The stationary cover part 21 to cover that portion of the power source 12 which does not require the maintenance can be attached to the top plate 17B of the building cover 17 through a simple procedure. Further the height H2 of the stationary cover part 21 is formed smaller than the height H1 of the opening/closing cover part 19, which enables widening the rear view field from the cab 10. COPYRIGHT: (C)2006,JPO&NCIPI
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