Raytheon Beech Baron E55 - Page 473

Ray~heon
Aircraft
Company
BARON
55
AND
58
SHOP
MANUAL
AFT
EVAPORA
TOR BLOWER
MODULE
REMO
VAL
a.
Open
the
aft
baggage
compartment
doors.
b. Remove
the
lower
portion
of
the
aft bulkhead
(held
in
by
velcro).
c.
Tag
and
remove
the electrical
wiring
from
the
evaporator
blower
motor
(refer
to
Figure 8).
IWI\RNINGI
WARNING
Due
to
air
quality
control
regulations
enacted in the
United
States,
R-12
and
R-134a
refrigerant
cannot
be
vented
into
the
atmosphere.
When
performing
maintenance
on
the air
conditioning
system
where
R-12
or
R-134a
can
escape
from the
system,
evacuate
the
system
with
a
recovery
or
recycle
servicing
unit that
will
salvage
the
refrigerant.
The
air
conditioning
system
is
a
high
pressure
system.
Before
disconnecting
a
refrigerant
I
line,
the
system
must
be
discharged
with
a
recovery
servicing
unit.
Purge
the
entire
system
to
a
125
micron
level.
A
face
shield
should be
worn
when
performing
maintenance
on
the
lines
because
refrigerant
coming
in
contact
with
the
eyes
can
cause
loss
of
sight.
Do
not
smoke
when
servicing
the
system
with
R-12
or
R-134a
because it
converts
to
a
highly
toxic
gas
when
exposed
to
an
open
flame.
d.
Remove
the
air
conditioning
hoses and ducts
from
the
evaporator
blower
module.
e.
Remove
the
evaporator
blower
attaching
bolts and
remove
the
evaporator
blower
module.
AFT
EVAPORATOR
BLOWER
MODULE INSTALLA7ION
a.
Place
the
aft
evaporator
blower
module
in
position
and
secure
with
attaching
bolts.
b. Remove
tags
from
the
electrical
wiring
and
connect
the
wires
to
the
evaporator
blower
module.
c.
Connect
the
air
conditioning
system
hoses
and duct to
the
evaporator
blower
module
~refer
to
Figure
8).
d.
Charge
the
refrigerant
system.
Refer
to
the
CHARGING THE
AIR
CONDITIONING
SYSTEM
procedure
in
Section
2.
e.
Check the
refrigerant
line
connections
for
leaks.
f. Install
the
lower
portion
of
the
aft
bulkhead.
g.
Closetheaftbaggage
door.
AFT
EVAPORA
TOR BLOWER MOTOR
REMOVAL
a.
Open
the
aft
baggage compartment
doors.
b. Remove
the
lower
portion
of
the
aft bulkhead
(held
in
by
velcro).
E20
SECTION
10
35