Cessna 182 1978 - Wing Flap Control System; Operational Check

MODEL 182
& T182 SERIES SERVICE
MANUAL
SECTION 7
WING
FLAP
CONTROL
SYSTEM
Page No.
Page No.
TABLE OF CONTENTS Aerofiche/Manual TABLE OF CONTENTS Aerofiche Manual
WING
FLAP CONTROL
SYSTEM
. .
. 1J9/7-1
Drive Pulley
..........
1J12.7-4
Description
.
. ......
. 1J9/7-1
Removal/Installation
......
1J12/7-4
Operation
Check ........
1J9/7-1
Repair
...........
1J12/7-4
Trouble
Shooting
........
1J10/7-2
Flaps
...........
. 1J12/7-4
Motor/Transmission
Assembly
. . . J12/7-4
Removal/Installation
......
J12/7-4
Removal/Installation
......
1J12/7-4
Repair
...........
1J16/7-8
Repair
...........
1J12/7-4
Cables
and Pulleys.
.......
.
1J16/7-8
Flap Control
Lever
. ...
. 1J12/7-4
Removal/Installation
.. .
. 1J16/7-8
Remova/Installation
......
12/7-4
Rigging
-
Flaps
.........
1J16/7-8
Rigging - Flap
Control
Lever
and
Follow-up
........
. 1J18/7-10
7-1. WING FLAP CONTROL SYSTEM.
(See 7-3 OPERATIONAL
CHECK
figure 7-1.)
a. Operate
flaps through
their
full range of
travel
observing the uneven travel or jumpy motion, binding
7-2. DESCRIPTION.
The wing
flap control
system
or lost
motion. Ensure
flaps
are moving
together
is comprised
on an electric
motor and
transmission
through
their full
range of travel
assembly,
drive
pulleys, push-pull
rods,
cables and
b.
Check for
positive shut-off
of motor
at flap
a follow-up
control.
Power
from
the motor
and
trans-
travel
extremes
to
prevent
damage
to actuator
assem-
mission
assembly
is transmitted
to the flaps
by a sys-
bly.
tem of
drive pulleys,
cables
and push-pull
rods.
c.
With flaps
full UP,
mount
an inclinometer
on
one
Electrical
power
to
the motor
is
controlled
by
two
flap and
set to
0°.
Lower
flaps to
full DOWN
position
microswitches
mounted
on
a floating
arm
assembly,
and
check
flap
angle as
specified
in
figure
1-1.
Check
by
a camming
lever
and a
follow-up
control
As
the
approximate
mid-range
percentage
setting
against
flap
control lever
is moved to the
desired flap setting,
degrees
as indicated
on inclinometer.
Repeat the
the attached
cam
trips one
of the
microswitches,
act-
same
procedure
for
the opposite
flap.
ivating
the flap
motor.
As the flaps
move to
the po-
sition selected,
the floating
arm is
rotated by the
NOTE
follow-up
control
until the
active microswitch
clears
the cam breaking
the circuit
and stopping
the motor.
An inclinometer
for measuring
control
sur-
To reverse
flap direction,
the control
lever is moved,
face
travel is available
from the
Cessna
in the opposite
direction
causing the
cam to trip the
Supply Division.
See figure
6-4.
second
microswitch
which
reverses the
flap motor.
The
follow-up
control
moves the
switch mounting
d. Remove
access
plates adjacent
to
flap drive
pul-
arm until the
second switch
clears
the cam, shutting
leys and attempt
to rock
pulleys to
check for
bearing
off
the flap
motor.
Limit switches
on
flap actuator
wear.
assembly
prevent
over-travel
of the flaps
in the
e. Inspect
flap
rollers
and tracks
for evidence
of
full UP or
DOWN
positions.
binding
or defective
parts.
Revision
1
7-1