Oil System; Changing The Oil Filter; Oil Filter Removal; Air Conditioning System - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
BARON 58P AND 58TC
MAINTENANCE MANUAL
of
the cell
to prevent
deteri-
OIL FILTER
INSTALLATION
oration
and
cracking.
a.
Position
the
new
filter
on
the
OIL SYSTEM
engine mounting.
The
engines
are
equipped
with
a
wet
sump,
b. Torque the
oil filter
to
15-18
pressure
type,
oil
sys
tem.
Each
engine
foot-pounds.
sump has
a
capacity
of 12
quarts.
Servic-
~ng
the oil
system
is
provided through
c.
Secure the
engine cowling
access
access
doors in the
engine cowling. Due
to
panels.
the
canted position
of the engines,
the
dip
sticks
are
calibrated for either right
AIR CONDITIONING SYSTEM
or
left engines
and
are
not
interchangea-
ble.
Servicing
the air conditioning
system
con-
sists
of
periodically checking the
The oil
and oil
filter should be
changed refrigerant
level, checking
compressor
every
50 hours under normal
operating
con-
oil level, checking the
compressor
belt
ditions.
The oil drain
~s
accessible
tension,
and changing the
system
air
fil-
through
the
cowl flap opening
and the oil
ter.
Recharge the
system
as
outlined under
filter is
accessible through
the LH cowl
CHARGING THE AIR CONDITIONING SYSTEM when-
access
door.
The
engines
should be warmed
ever
the
refrigerant
level
is
low, air has
to operating
temperature to
assure com-
entered the
system,
or
components carrying
plete draining
of the oil.
Also,
remove
refrigerant
are
replaced.
Refrigerant
the lower
oil
line
at
the bottom
of the leaks
may
be detected by inspection
with
a
turbocharger´•
air/oil
separator to
com-
flameless leak detector.
pletely
drain the oil system.
CHARGING THE AIR CONDITIONING SYSTEM
The
engine
manufacturer recommends the
use
of
ashless dispersant
oil.
In order
to
When working
on a
refrigerant
air
cooling
promote
faster ring seating
and
oil
con-
system,
observe the following
special
ser-
trol,
a
straight
mineral oil
may
be used
vicing precautions:
for the first
change period
or
until oil
consumption
stabil
i
ze s.
Dispersant
oils
a.
Remember,
this is
a
hiph
presssure
must meet
Teledyne Continentat
Motors Cor-
system.
When
disconnecting
a
line,
loosen
poration Specifications
MHS-24A
(2, Chart the fittings just enough
to
bleed
off
202,
12-20-00).
pressure
slowly,
then disconnect the fit-
ting.
Moisture that
may
have condensed and
set-
tled in
the oil
sump
should be
drained b. Whenever
a
line
is
disconnected,
occasionally by opening
the oil drain
plug purge the entire
system with
a vacuum
pump
and
allowing
a
small
amount
of oil
to
operating
at
the 125 micron level.
escape.
This
is
particularly important
in
wi
nter
when the moi
sture
wi 1 1 collect
rap- c.
Use only refrigerant
(17,
Chart
idly and
may
freeze.
202,
12-20-00); other refrigerants,
par-
ticularly
those
containing
methyl
CHANGING THE OIL FILTER
chloride, will
cause
rapid deterioration
of the alumi
num
compressor
components.
The oil
filter should be replaced
every
50 When servi
cing
the
system
with
hours
as
described in OIL
FILTER
REMOVAL. refrigerant, avoid smoking
or
working
near
an open
flame. Refrigerant passing
over an
OIL FILTER REMOVAL
open
flame will produce
a
highly toxic
phosgene
gas.
a.
Gain
access
to
the oil
filter
through the LH engine
cowl
access
opening,
d. Hook the service unit
to
the
con-
nections located under the
copilot's
seat.
b. Loosen the
spin-off filter and When charging
a
completely purged
system,
remove
filter,
charge with 53
to
56
ounces
of refrigerant
(TJ-3
and
after)
or
48
ounces
of
12-10-00
Page
202
May
22/87
A22