Description of Tool Usage:

This equipment is used to perform the air conditioning low limit control valve LLCV pneumatic check. It is used in conjunction with a customer furnished air source (15 PSI minimum). This equipment only applicable for Allied-Signal LLCV installed on 767-200 and -300 airplanes. This equipment is not applicable for Hamilton-Standard LLCV installed on 767-400 airplanes. Tool consists of a pressure regulator and two gauge assemblies for low and high pressure servo test.