ANTI-ICE SYSTEMS (CONT)
On
aircraft incorporating
AAK
86-1 or SB 35/36-21-17, a combination
of
bleed
air
(heated
with
a supplemental electric heater) and air conditioned
air
provides
defogging
of
the
windshield
interior
in
addition to the normal
defogging
provided
by
cabin
airflow.
Systems controls
and
control
functions
are as
follows:
1.
STAB
WING
HEAT
Switch
- Controls
wing
and horizontal
stabi-
lizer
heat systems
(bleed
air).
2.
NAC
HEAT
Switches -
Control
engine
anti-icing
(bleed
air)
and
engine
inlet
air temperature/pressure sensor electric heaters.
On
aircraft 35-067 thru 35-244 and 36-018 thru 36-044 not
incor-
porating
AAK
79-4,
the engine spinner anti-ice
is
also
activated.
3.
PITOT
HEAT
Switches
-
Energize
pitot tube,
stall
warning vane
heaters, and total temperature probe
(if
installed)
heaters.
4.
WSHLD
&
RADOME
-
RADOME
or
RAD
Switch
- Controls
windshield
and radome
alcohol
anti-ice
system.
5
.•
On aircraft 35-067 thru 35-112 except 35-107, 36-018 thru
36-031,
WSHLD
HEAT
Switches and
IN
NORMAL
OUT
DEFOG
Knob
- Control
bleed
air
to
the
windshield
for
defog,
anti-ice
and
rain
removal
.
• On aircraft
35-107,35-113
& subsequent and 36-032 & subse-
quent,
WSHLD
HT
ON-HOlD-QFF
Switch
- Controls
bleed
air
to the
windshield
for
defog,
anti-ice
and
rain
removal.
6.
On
aircraft incorporating
AAK
86-1
or
SB 35/36-21-17, W/S
AUX
DEFOG
HEAT
-
CKPT
Switch
- Controls the supplemental
electric heater and
Freon
cooling
system
for
additional
windshield
defogging.
7.
Static port heaters and red
ice
detect
lights
are energized whenever
the battery
switches
are On.
FAA
APPROVED
4-30-76
REISSUED
2-25-81.
CHANGE
12
2-67
To Next Page
Loading...
