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Cessna 150K - Wing Flap System Rigging

Cessna 150K
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TO
LEFT
WING
FLAP
LEFT
PUSH-
PULL
ROD
•
FWD
TURNBUCKLES
VIEWED
FROM
ABOVE
TO
RIGHT
WING
FLAP
FLAP
MOTOR
AND
TRANSMISSION
RIGHT PUSH-
PULL
ROD
Figure
7-4.
Flap
System
Schematic
cable
guards
and
pulleys
as
necessary
to
work
cables
free
of
aircraft.
NOTE
To
ease
routing
of
cables,
a
length
of
wire
may
be
attached
to
the
end
of
cable
being
withdrawn
from
the
aircraft.
Leave
wire
in
place,
routed
through
structure;
then
attach
the
cable
being
installed
and
use
wire
to
pull
cable
into
position.
e.
Reverse
the
preceding
steps
for
reinstallation.
f.
Mter
cables
are
routed
in
position,
install
pul-
leys
and
cable
guards.
Ensure
cables
are
positioned
in
pulley
grooves
before
installing
guards.
g.
Re-rig
flap
system
in
accordance
with
paragraph
7
-16
and
safety
turnbuckles.
h.
Re-rig
indicating
system
in
accordance
with
para-
graph
7-19
and
reinstall
all
items
removed
in
step
"a."
7-16.
RIGGING.
a.
(Refer
to
figure
7-1.)
Unzip
or
remove
head-
liner
as
necessary
for
access
to
turnbuckles
(4).
l
b.
Disconnect
indicator
wire
clamp
(10)
and
slowly
release
indicator
wire
(11)
until
spring
(16)
tension
is
relieved.
c.
Remove
safety
Wire,
relieve
cable
tension,
dis-
connect
turnbuckles
(4)
and
carefully
lower
LEFT
flap.
d.
(Refer
to
figure
7-2.)
Disconnect
push-pull
rods
(15)
at
drive
pulleys
(14)
in
both
wings
and
lower
RIGHT flap gently.
e.
Disconnect
actuating
tube
(5)
from
drive
pulley
(14).
NOTE
If
control
cables
are
not connected
to
left
and
right
drive
pulleys,
actuating
tube
(5)
and
push-pull
rods
(15)
must
be
discon-
nected
before
installing
cables.
If
drive
pulleys
(14)
are
not
installed,
attach
con-
trol
cables
before
installing
drive
pulleys
in
the
wings
as
illustrated
in
figure
7-4.
f. Adjust
both
push-pull
rods
(15)
to
8.
83±.12
inches
between
centers
of
rod
end
bearings
and
tighten
locknuts
on both
ends.
Connect
push-pull
rods
to
flaps
and
drive
pulleys.
NOTE
Temporarily
connect
cables
at
turnbuckles
(index 4,
figure
7-1)
and
test
flaps
by
hand
to
ensure
both
flaps
extend
and
retract
to-
gether.
If
they
will
not,
the
cables
are
in-
correctly
attached
to
the
drive
pulleys.
Ensure
that
the
right
drive
pulley
rotates
clockwise
when viewed
from
below,
as
the
flaps
are
extended.
Tag
cables
for
refer-
ence
and
disconnect
turnbuckles
again.
Change 1
7-9

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