Air Leak Test Bench is designed to automate the process of air leak testing, soldering and stamping of a blower unit. The Test Bench consists of a fixture onto which the unit to be tested is placed. The Air Leak Test Bench utilises pneumatic cylinders for engaging coupler to perform leak test, for soldering and for stamping purposes. Air Leak Test Bench is equipped with a PLC and the soldering time is programmable through a push button.