| 摘要 |
PROBLEM TO BE SOLVED: To shorten the time necessary for inspection and repairing a number of hydraulic equipments concentratedly arranged on a rear part of an upper revolving body of a wheel crane. SOLUTION: The maniholes are formed on a pair of left and right boom supporting brackets 8 supporting a telescopic boom 7 of a wheel in such manner that it can be moved up and down, a right guard 20 protecting various hydraulic equipments 9 concentratedly arranged on a rear part of an upper revolving body 3 can be opened and closed on a hinge 23, as a fulcrum and a rear guard 40 covering the rear openings of the pair of left and right boom supporting brackets can be opened and closed. Whereby various hydraulic equipments 9 and a hydraulic motor 10a can be inspected and repaired by opening the right guard 20 and the rear guard 40, and inserting the hands from the maniholes formed on the supporting brackets 8.
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