TM 5-3805-291-23-1
THEORY OF OPERATION - CONTINUED
0003 00
AIR CONDITIONING SYSTEM - CONTINUED
N OT E
In an orifice tube system that is properly charged, frost may form between the orifice tube and the
compressor. The frost may be present if the system is operating properly and if the system is properly
charged.
In an orifice tube system, a combin tion of abnormal pressure and frost may indicate blockage in the
a
system.
427-C1998
0003 00-182