Raytheon Beech Baron E55 - Page 545

CSS)eechcraft
BARON
55
AND
58
SHOP
MANUAL
h.
Position
the boot
on
the
propeller,
starting
at
the
k.
Roll the
tapered
edges
of
the
boot with
a narrow
inboard end
and
making
sure
the
leads
are
in
proper
steel
stitcher
roller,
position.
Moisten the
cement
lightly
with
methyl
ethyl
i.
Clean
the blade
with
a
clean cloth moistened with
I
ketone
or
toluol
(19
or
20
Consumable
Materials
methyl
ethyl
ketone
or
toluol
(19
or
20,
Consumable
I
Chart,
Section
2)
and
tack
the
boot
centerline
to
the
Materials
Chart,
Section
2).
Be caeful
not to
let the
blade
leading
edge.
If
the
centerline
of the boot
devi-
solvent
run
into
the
edge
of
the
boot.
ates
from the
blade
leading
edge,
pull
up
with
a
quick
motion and
replace
properly.
Roll
firmly
along
the
cen-
m.
Apply
one
even
brush coat
of
Sunbrite
78-U-1003
I
terline
with
a
rubber roller.
Refer
to
Figure
11-30.
abler
Materials
Chart,
Section
2)
around
the
edges
of
I
enamel
and
U-1001-C
catalyst
(sealer) (61,
Consum-
the
boot,
allowing
1/16
to
1/8
inch of
overlap
on
the
CAUTION
boot
but
extending
to
the
masking tape.
n.
Install
the
clamp
securing
the
lead
strap
to
the
Never
use
a
metal
or
wooden
roller for
propeller
blade
retaining
clamps.
this
purpose,
for
they
will
damage
the
heating
element
in
the deicer
boot,
o.
Connect the
lead
terminals
and install the
clip
on
the
spinner
bulkhead.
There
must
be
no
slack
i.
Gradually tilting
the
roller,
work
the
boot
carefully
between
the
terminals
and the
clip
to
assure
enough
over
each side of
the
blade
contour.
Avoid
trapping
air
slack
between
the
clip
and
the
clamp
on
the blade
to
I
pockets
under the
boot.
Refer
to
Figure
11-32.
allow
full
propeller
travel.
i
Roll
outwardly
from
the
centerline to
the
edges
of
I
the boot.
Refer
to
Figure
11-32.
If
excess
material
at
CAUTION
smoothly
and
carefully
with the
fingers.
After
deicer boot
installation
allow
at
least
12
hours
for
the
EC-1403
or
1300L
cement to
dry
before
starting
the
engine,
and 12 hours
more
before
energizing
the
deicers.
ELECTRIC
PROPELLER
DNCER
TIMER
TORQUE
TO
20 TO
30
IN-La
CHECK
(MCCAULEY3
TORQUE
12-14
IN-LB
AN960-PD10L
WASHER
.064
(USE
AS
REQUIRED
FOR
CORRECT
SPACING)
Experience
in the
field has indicated
that
often the
.ol
timer
is
considered
malfunctioning
when
the
source
of
TORQUE
8
TO
10
IN-LB
the trouble
lies elsewhere.
For this
reason,
the
follow-
AIRCRAFT
WIRING
ing
test
should
be
performed
before
the
timer is
removed
as
defective.
BRUSH
BLOCK
BRACKET
a.
With the
wiring
harness
disconnected
at
the
timer
sF(USH
BLOCK
ASSY
and
the
deicer
switch
in
the
ON
position,
check the
I
i
voltage
from
pin
B
of the
harness
plug
to
ground.
If
no
I
iENGINE
CRANK
CASE
if
system
voltage
is
present
at
pin
B,
check
the circuit
voltage
is
present,
the
timer
is NOT
at
fault; however,
from
harness
plug pin
G
to
ground
with
an
ohmmeter.
If
no
circuit is
indicated,
the
fault
is
in
the
ground
lead
PROPELLER
MOUNTING
BOLT
rather than
the
timer.
If
the
ground
connection
is
open,
SLIP RING ASSY
the timer
step
switch
will
not
change
positions.
PROPELLER
HUB
36-251-5
b.
After the
power
and
ground
circuits
have
been
checked,
connect
a
jumper
wire between
pin
B
of
the
timer
receptacle
and
terminal
B of the
connector
plug
and from
pin
G
of the
timer
receptacle
to
ground.
With
I
Figure
11-36.
Propeller
Brush Block
Module
the
deicing
system
switch
ON,
Check
the
voltage
to
515
11-88