| 摘要 |
PROBLEM TO BE SOLVED: To provide a construction machine capable of adjusting a cooling flow rate passing through a plurality of heat exchangers parallelly arranged.SOLUTION: A construction machine, having a cooling fan (2) arranged at an upstream side of an engine (1), a hydraulic oil cooler (3) and radiator (4) arranged in parallel to air blowing direction of the cooling fan (2) arranged in the upstream side of the cooling fan (2), and shroud (5) for covering between the hydraulic oil cooler (3) and the radiator (4) and the cooling fan (2), has at least one opening (7a) with a free passage to a downstream side of the cooling fan (2) arranged in the shroud (5), an opening cover (7b), possible to be opened and closed, covering the opening (7a), a motor (8) for making the opening cover (7b) execute opening and closing operation, and a controller (10) for controlling drive of the motor (8). |
