Piper Cherokee Six Service Manual page 691

PIPER CHEROKEE SIX SERVICE MANUAL
2611
DISCHARGE LINE
COND
SUCTION UNE
COMPRESSOR
o
OPTIONAL METHOC
PREFERRED METHOD
Figure 13-8. Charging Hookup
NOTE
Suspect leaks or an inaccurate scale if two pounds of
refrigerant does not fill the system.
j.
Shut off the air conditioning system and airplane engine. Then, remove the charging
lines from the Schrader valves with care due to the refrigerant remaining in the hose.
NOTE
A shop cloth should be used to divert escaping refrigerant
when disconnecting the charging hose from the Schrader
valve. Recap the valve.
Revised. 11 4
3H1
ACCESSORIES AND UTILITIES