Raytheon Beech Baron E55 - Page 527

aeechcraft
BARON
55
AND
58
SHOP
MANUAL
WINDSHIELD
HEATER
RELAY REMOVAL
c.
Close
the
nose
baggage
compartment
door
and
(TE-
1169
AND
AFTER,
TH-
1080
AND
secure.
AFTER)
WINDSHlaD DEICER CHECK
The windshield
heater
relay
is located
in
the
nose
(ELEC’I-RICAL)
baggage
compartment
forward
of
FS
39.00
adjacent
to
the windshield
heater
temperature
controller.
The
control
box,
relay,
and heater
assembly
should
all
be checked before
any
item is
replaced.
a.
Gain
access
to
the
relay through
the
baggage
compartment
door and
locate
the
windshield heater
a.
Disconnect
the
heater
from
the control box
and
relay.
relay.
b.
Tag
and
remove
the electrical
wiring
from the
b´•
Check
that there is
a
circuit
through
the
two
blue
relay.
wires
of
the heater.
c.
Remove
the
screws,
nuts
and washers that hold
c´•
Check
that
there
is
a
circuit between
the
black
and
the
relay
in
place
and
remove
the
relay.
white
(black
and red
on
later
units)
leads
of the
heater.
WINDSHIELD HEATER RELAY
NOTE
INSTALLATION
(TE-
1169
AND
AFTER,
If
both
of
these circuits
conduct electric-
TH-
1
080
AND
AFTER)
ity,
the heater
is
probably functioning
properly.
If
an
accurate
ohmmeter is
a.
Place
the
relay
in the
proper
position
and
secure
available,
a more
complete
check
of
the
with
screws,
washers and
nuts.
system
may
be
made
as
follows:
b. Remove the
tags
from the
electrical
wiring
and
1.
Check
the
heating
circuit
(black
and white
or
connect
the electrical
wiring
to
the
relay.
red and
white)
for
a
resistance
of
1.69~
25
ohms.
INSERT
PUTTY
KNIFE
HERE
TO
A
DEPTH
OF
UPPER
WINDSHIELD
HEATER
RETAINER
1!8"
OR
LESS
A
INSERT
PU~TY
KNIFE
HERE
WINDSHIELD
HEATER
PLATE~
Db
NOT
REMOVE
THIS
WINDSHIELD
HEATER
FRAME
ATTACHMENT
STRIP
WINDSHIELD
WINdSHIELD
HEATER
qLATE
ATTP;CHMENT
STRIP
WINDSHIELD
DETAIL
A
sa´•llo-27
Figure
11-21.
Windshield
Heater
Retainer
Removal
515
114f