Piper Lance II - Page 537

CO
M
PRESSOR
LANCE
II
SERVICE
MANUAL
DISCHARGE
UNE
I
CONDENSER
J
SUCTION LNE
OPTIONAL
METHOD
RECEIVER
DEHYDRATOR
SIGHT GLASS
VALVE
PRESS
SCHRADER
SWITCH
VALVE
COIL
FITTING
EVAPORATOR
PREFERRED
METHOD
Figure 14-8.
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.
Issued:
1/3/78
2K9
ACCESSORIES AND UTILITIES