Piper Lance II User Manual

LANCE
II SERVICE MANUAL
Locating and repairing
the trouble early
will usually result
in savings to the
customer both in
time
and additional
troubles
that
too
often
result
from
neglect.
A
Performance
Test
of the
system
is the
only
positive
way
in
which
the
complete
system
can be
checked
for
efficient
operation.
The
air
conditioning
system
should
be
given
this
test
before
work
is
begun
on
the
system
whenever
possible,
however,
if
the
system
is
completely
inoperative,
repairs
must
be performed
before
the
system
can
be properly
tested.
The
test
can
uncover
further
work
that
must
be performed
before
the
system
is
brought
to
its full
operating
efficiency.
The
Performance
Test
should
always
be
performed
after
repair
work
has
been
done
and
before
the
aircraft
is released
to
the
customer.
The
serviceman
performing
this
test
carefully
will
insure
that
the
repairs
have
been
properly
performed
and
that
the
system
will
operate
satisfactorily.
The
Performance
Test
when
properly
performed
includes
a thorough
examination
of the
outside
of
the
system
as
well
as
the
inside.
Many
related
parts
are
overlooked
because
it
is
felt
they
are
of
no
bearing
on
the
operating
efficiency
of
the
unit.
For
this
reason,
a
thorough
visual
inspection
of
the
complete
system
should
be
performed,
followed
by
an
operating
inspection
of
the
system.
14-5.
SPECIAL
SERVICING
PROCEDURES.
The
air conditioning
system
should
be
serviced
by
a
qualified
shop
with
trained
personnel.
The
following
procedures
and
precautions
should
be
observed.
The
efficiency
of
this
system
depends
upon
the
pressure-temperature
relationship
of
pure
refrigerant.
As
long
as
the
system
contains
only
pure
refrigerant
plus
a
specified
amount
of
compressor
oil
(which
is mixed
with
the
refrigerant),
it
is
considered
to
be
chemically
stable.
Foreign
materials
within
the
system
will
affect
the
chemical
stability,
contaminate
the
system,
and
decrease
its
efficiency.
I.
GENERAL
REFRIGERATION
SYSTEM
PROCEDURES.
A.
REFRIGERANT
SAFETY
PRECAUTIONS.
1.
Refrigerant
12
(commonly
known
as
R-12
or
"Freon"
12)
is odorless
and
colorless
in either
the
liquid
or
gaseous
state.
R-1
2
for
charging
refrigeration
systems
is supplied
in
pressurized
containers
(approx.
70
psi
at
70
F)
in
liquid
form.
Since
this
material
is essentially
inert
at
room
temperatures
the
dangers
are
primarily
associated
with
the
pressure
and
the
refrigeration
effects
of
the
release
and
subsequent
evaporation
of
this
pressurized
liquid.
2.
Wear
suitable
eye
protection
when
handling
R-12
due
to
the
possibility
of
freezing
of
the
eye
if
contacted
by
escaping
liquid
refrigerant.
If
liquid
R-l
2
does
strike
the
eye,
the
following
actions
should
be
taken:
a.
DO
NOT
RUB
THE
EYE.
b.
Splash
large
quantities
of
cool
water
into
the
eye
to
raise
the
temperature.
c.
Tape
on
an
eye
patch
to
avoid
the
possibility
of
dirt
entering
the
eye.
d.
Rush
to
a physician
or
hospital
for
immediate
professional
aid.
e.
DO
NOT
ATTEMPT
TO
TREAT
IT
YOURSELF.
3.
If liquid
R-12
strikes
the
skin
frostbite
can
occur.
Treat
with
cool
water
and
protect
with
petroleum
jelly.
4.
Do
not
discharge
large
quantities
of
R-12
into
closed
rooms.
It may
displace
most
of
the
air
in
the
room
and
this
could
cause
oxygen
starvation.
Gaseous
R-l
2 is
heavier
than
air
and
flows
to
the
bottom
of
a
container.
Issued:
1/3/78
ACCESSORIES
AND
UTILTIES
2J22

Piper Lance II Specifications

General

Manufacturer	Piper Aircraft
Max Takeoff Weight	3, 600 lb (1, 633 kg)
Crew	1
Horsepower	300 hp
Seats	6
Length	27 ft 7 in (8.41 m)
Capacity	5 passengers