| 摘要 |
According to the present invention, the present invention relates to a leak test coupler of a transmission oil cooler radiator; and a coupler which couples to an inlet unit of a radiator for a leakage test comprising: a body provided with a working pin therein to be reciprocated in a longitudinal direction; and a connector coupled to an end in the longitudinal direction of the body, and be snap-coupled to the inlet unit through a coupling groove formed on an outer peripheral surface wherein an elastic member is provided on an outer peripheral surface of the working pin, and the working pin moving towards the inlet unit by pneumatic air and the working pin moving back to an original location by the elastic member when the pneumatic air is released. |
