| 摘要 |
PURPOSE:To easily and smoothly perform drainage by installing an air conditioning unit in a ceiling frame, dividing flow of drainage of the air conditioning unit to the front side and the rear side, and arranging respective pipings along the front and rear stanchions. CONSTITUTION:A cabin is arranged in the middle part of the body of an agricultural vehicle. In this case, an air conditioning unit 29 is installed in a ceiling frame connected to respective upper end parts of both front and rear stanchions for forming the cabin. Further, a high pressure pipe 31 and a low pressure pipe 33 are connected to the air conditioning unit 29, and also the high pressure pipe 31 is connected to the discharge part of a compressor 34 and the low pressure pipe 33 is connected to the suction part of the compressor 34 through a filter 35 and a condenser 36. Further, both front and rear drains 37, 38 are connected to the air conditioning unit 29, and also the front drain 37 is communicated to the hollow part 10 of a front stanchion, and the rear drain 38 becomes one body 40 through a three-way joint 39 and hereafter is communicated to the outside under a floor. |
