Checking Compressor Oil Level - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
BARON 58P AND 58TC
MAINTENANCE MANUAL
(TJ-3
and
after)
or
48
ounces
of
d. Relieve the air
conditioner
sys-
ref ri ge
ra
nt
(TK-1
and
after).
After
tem
pressure
by loosening the
compressor
charging,
the
sight glass should be filler
plug just
enough
to
bleed off
observed for bubbles
or a
milky
appearance
pressure
slowly.
caused by
an
insufficient refrigerant
level. If
it
is
necessary
to
add
e.
After the
system
pressure
is
refrigerant
to
a
partially charged
system,
relieved,
remove
the oil filler plug.
add
refrigerant slowly until
a
satisfac-
tory
condition
is
observed through the f. Insert the dipstick through
the
sight glass;
then add
an
additional 1/4 oil filler
port,
slowly
rotate
the clutch
to
1/2 pound of refrigerant. shaft until the
dipstick
will
insert
to
the bottom of the compressor.
CHECKING COMPRESSOR OIL LEVEL
g.
Withdraw the dipstick,
oil should
NOTE
register
on
the
dipstick between
3/8
to
1-1/4 inches below
the filler
port.
Add
New
compressors
are
delivered oil
as n e c e s sa
ry
refer
to
Chart 201,
with 7
ounces
of oil. Charge
the CHECKING COMPRESSOR OIL LEVEL.
system
with
an
additional 6-8
ounces
of oil
(TJ-3 and after)
or
NOTE
4-5
ounces
of oil
(TK-1
and
after)
when
installing
a new
compressor.
If 4
ounces
of oil has
to
be
added,roceed
with
steps
"h"
The air conditioner
compressor
oil level
through
i"
and then
repeat
the
should be checked by
a
qualified
air
con-
entire procedure beginning with
ditioner service
man
if the refrigerant
step "c"
If
the
compressor
will
charge is lost
(evidenced
by
oil loss).
not
hold the entire
system
as
The air conditioner
system
requires
13-15
described in
step
"h"
and charge
ounces
of 500
viscosity
oil
(T3-3
and the
system
with the remainder of
after)
or
11-12
ounces
of 500
viscosity the
oil
at
the
service
port
oil
(TK-1
and
after)(l8, Chart 202, beneath
the
copilot's
seat.
12-20-00)
to
maintain
4
ounces
in
the
compressor.
h.
Install
the
oil filler plug
with
O-ring and
secure
plug.
Check the compressor oil
level
as
follows:
NOTE
a.
Fabricate
a
dipstick by bending
a
wire
to
a
900 angle
so
that 1-1/2 inches Make
sure
that the O-ring is
not
of
the wire
wi 11 insert into the
twisted and
that
no
dirtor
par-
compressor.
tides
are on
the O-ring
seat.
The
plug
should be
snug.
Do
not
over-
b. Paint the
dipstick with
a
flat
tighten the plug.
black
paint.
Allow sufficient
time
for the
paint
to
dry.
i.
Charge
the air conditioning
sys-
tem
as
noted in
CHARGING THE AIR CONDI-
c.
Start
the
engines in
accordance TIONING SYSTEM.
with the
applicable
Pilot's
Operating
Manual and
run
the air
conditioning
system
j. Check the
area
around the filler
for
15
minutes
with the engines running plug for leaks.
If leaks
exist,
do
not
at
low
rpm
to
allow oil
to
accumulate in
overtighten
the filler
Rlug.
Remove the
the compressor.
Observe the engine
oper-
plug
as
noted
in
step
dii and install
4:
ating
l~mitations
as
noted in the appli-
new
O-ring. Secure the
plug
and rechar
cable Pilot's
Operating
Manual. Shut down
the
system
as
noted
in
steps
"h"
and
"i
the engine in
accordance with the appli-
cable
Pilot's Operating Manual.
12-10-00
Page
203
A22
May
22/87