Outdoor unit for air conditioner and method for assembling outdoor unit for air conditioner

The invention provides an outdoor unit of an air conditioner and a method for assembling the outdoor unit of the air conditioner, wherein the outdoor unit is provided with a structure for fixing an oil separator to a partition plate by using an auxiliary component. An outdoor unit of an air conditioner is provided with a blower chamber, a machine chamber, and a partition plate that partitions the blower chamber and the machine chamber, the machine chamber houses a compressor and an oil separator, and the oil separator is fixed to the partition plate by means of an auxiliary member. The auxiliary member includes a leg portion fixed to the partition plate, and a base portion detachably attached to the leg portion and supporting the oil separator. 本发明提供具备使用辅助部件将油分离器固定于分隔板的构造的空调装置的室外机以及空调装置的室外机的组装方法。空调装置的室外机具备送风机室、机械室、以及将送风机室与机械室分隔的分隔板，在机械室收容有压缩机以及油分离器，油分离器通过辅助部件固定于分隔板，辅助部件具备：固定于分隔板的腿部、和可装卸地安装于腿部并支承油分离器的底座部。