10-20. AIR CONDITIONING SYSTEM TESTING (M1010) (Cont).
Purging of air will take place as refrigerant in refrigerant container (1)
forces air out of system at loose hose connections.
Slowly open refrigerant container (1) valve and high side valve (6). After 4 seconds, close
refrigerant container valve and high side valve. Tighten high pressure hose (7) at high pressure
line (10) valve.
Repeat step 3 for low side valve (3) and low pressure hose (8).
All testing equipment should be kept clear of moving parts while engine is
running. Failure to follow this caution may result in damage to engine
components and testing equipment.
Connect STE/lCE tester to STE/lCE DCA connector under dash. (See TM 9-4910-571-12&P)
Start engine and operate at approximately 1500 rpm.