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Piper Lance II User Manual

Piper Lance II
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LANCE
II
SERVICE
MANUAL
989
COMPOUND
GAGE
50
P.S.I.
PRESSURE
GAGE
SCHRADER
VALVE
CLOSED
I
SCHRADER
VALVE
GAGE
SET
REFRIGERANT
CONTAINER
OPEN
TO
50
P.S.I.
EVAPORATOR
ASS'Y
THEN
CLOSE
Figure
14-5.
Leak
Test
Hookup
NOTE
Evacuate
system
prior
to
leak
check.
14-10.
LEAK
CHECK
-
METHOD
I.
a.
Connect
the
manifold
gauge
set
into
the
system
and
determine
if
there
is
any
refrigerant
in
the
system.
A
minimum
of
50
psi
refrigerant
pressure
in
the
system
is
needed
for
leak
detection.
(Refer
to
Figure
14-5.)
b.
Purge
the
hoses
of
air
by
allowing
some
refrigerant
to
escape
from the
connections
at
the
service
valves.
Then
tighten
connections
at
the
service
valve.
c.
Close
the
low side
manifold
valve
and
open
the
high
side
manifold
valve.
d.
Open
the
refrigerant
container
service
valve
and
allow
the
pressure
at
the
low
side
gauge
to
reach
50
psi
at
which
time
close
the
high
side
manifold
valve.
e.
Close
the
refrigerant
container
service
valve
and
remove
the
hose
if
no
leaks
are
evident.
f.
It
is
advisable
to
use
an
electronic
leak
detector
to
check
this
system
instead
of
an
open
flame
leak
detector
due
to the
possible
presence
of
gasoline
fumes
in
the
engine
area.
g.
If
any
leaks
are
found,
purge
the
system
of
refrigerant,
make
the
necessary
repairs
and
check
the
compressor
oil.
h.
Add
oil,
if
required,
(refer
to
Paragraph
14-21
and
Table
XIV-III)
then
repeat
steps
a
thru
e.
i.
If
no
further
leaks
are
found,
the
system
may
be
evacuated
and
charged.
Refer
to
Paragraphs
14-13
and
14-14.
Issued:
1/3/78
ACCESSORIES
AND
UTILITIES
2K3

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Piper Lance II Specifications

General IconGeneral
ManufacturerPiper Aircraft
Max Takeoff Weight3, 600 lb (1, 633 kg)
Crew1
Horsepower300 hp
Seats6
Length27 ft 7 in (8.41 m)
Capacity5 passengers

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