Piper PA-32RT-300T User Manual

LANCE
II
SERVICE
MANUAL
14-11.
LEAK
CHECK
-
METHOD
II.
a.
Remove
the
access
panel
at
the
rear
of
the
cabin
to
gain
access
to
the
service
valves.
b.
Remove
the
protective
cap
on
the
high
pressure
Schrader
valve
fitting
and
connect
a
charging
hose
with
a
shut-off
valve
arrangement
to
the
fitting.
The
charging
hose
must
have
a
Schrader
fitting
or
adapter
to
fit
the
valve.
c.
Connect
the
other
end
of
the
charging
hose
to
a
small
cylinder
of
refrigerant
and
purge
the
hose
by
allowing
a slight
amount
of
refrigerant
gas
to
escape
from
the
Schrader
valve
fitting.
d.
The
cylinder
of
refrigerant
should
be
placed
upright
in
a container
of
warm
(125
°
F
max.)
water
on
a
small
scale.
e.
Allow
approximately
1/2
pound
of
refrigerant
to
enter
the
system
by
opening
the
valve
on
the
charging
hose
and
observing
the
weight
change
on
the
scale.
f.
Using
an electronic
leak
detector,
check
all joints
and
repair
any
leaks.
g.
After
completion
of
repair
of
any
leaks,
proceed
to
check
the
system
in accordance
with
one
of
the
methods
outlined
for
any
other
leaks.
h.
If
no
further
repair
is
required
on
the
system,
it is
now
ready
to
evacuate
in
accordance
with
paragraph
14-13.
14-12.
DISCHARGING.
(Required
only
if
system
contains
refrigerant.)
NOTE
Applies
to
Kent
Moore
J23500
or
similar
charging
station.
Refer
to
Figure
14-7.
a.
Close
all
valves
on
charging
station.
b.
Connect
red
high
pressure
charging
line
to
high
pressure
Schrader
valve
at
the
evaporator
fitting.
c.
Open
valve
(10)
(high
pressure
control)
on charging
station
one
turn.
d.
Hold
end
of blue
low
pressure
charging
line
in
a shop
rag
and
slowly
open
valve
(3)
(low
pressure
control)
on
charging
station
allowing
refrigerant
to
exhaust
from
system
into
shop
rag.
CAUTION
Refrigerant
can
cause
freezing
of
skin.
Be particularly
careful
not
to
allow
contact
with
the
eyes.
Do
not
allow
refrigerant
to
escape
too
rapidly,
as excessive
oil
may
be
carried
out
of
system.
When
hissing
stops,
system
is empty
and
valve
should
be
closed
if
no
further
work
is
planned.
Issued:
1/3/78
2K4
ACCESSORIES
AND
UTILITIES
2K4

Piper PA-32RT-300T Specifications

General

Brand	Piper
Model	PA-32RT-300T
Category	Aircrafts
Language	English