Abstract: The composition of air cooling system was expatiated, and its installation process was summarized and analyzed for insuring the successful execution of the air pressure experiment. Aiming at the critical process problems in installation, the related countermeasures were adopted to guarantee the installation quality. The experience can be as a reference for air cooling island construction later on.

Key words: air cooling system, wind pressure, control measure, vacuum leakage test, welding procedure, weld quality