Cessna T188C - Page 132

MODEL
188
&
T188
SERIES
SERVICE
MANUAL
7-4. TROUBLE SHOOTING.
NOTE
Due
to remedy
procedures
in the following
trouble
shooting
chart
it may
be necessary
to
re-rig
system,
refer to
para-
graph 7-16.
TROUBLE
PROBABLE
CAUSE
REMEDY
BOTH FLAPS
FAIL TO
EXTEND. Disconnected
or
broken direct
Connect
or replace
cable.
cable.
ONE FLAP
FAILS TO
Disconnected
or
broken direct
Connect
or replace
cable.
LOWER,
cable to malfunctioning
flap.
BOTH
FLAPS FAIL
TO
Disconnected
or broken
Connect
or replace
cable.
RETRACT.
retract
cable.
BINDING
IN
SYSTEM
AS FLAPS
Cables
not riding
on pulleys.
Route
cables correctly
over
ARE
RAISED
AND
LOWERED.
pulleys.
Bind
in bellcrank.
Lubricate
bearings
or
replace
bellcrank.
Broken
or binding
pulleys.
Replace
defective
pulleys.
Frayed
cable.
Replace
defective
cable.
Flaps binding on
tracks.
Replace defective
parts.
Flap lever
binding.
Replace
defective
parts.
INCORRECT
FLAP
Incorrect
rigging.
Rig system
in accordance
TRAVEL.
with paragraph
7-16.
RELEASE
BUTTON
Release
mechanism
Lubricate
in
accordance
STICKS,
needs lubrication.
with Section
2.
7-5.
FLAP
LEVER ASSEMBLY.
7-7.
REPAIR.
Repair
consists of
replacement
of
defective
bushings,
spacers,
ratchet
mechanism
and
7-6.
REMOVAL
AND INSTALLATION.
(See
associated
hardware.
The placard
on the
lever should
figure
7-1.)
be
replaced
if
it becomes
illegible.
a. Remove
access
panel from below
left door.
b.
Remove
safety
wire and
relieve
cable tension
7-8. FLAP
BELLCRANKS.
at
turnbuckle
(10,
24,
26
and 28).
c.
Disconnect
cables
(22
and 25)
at lever
assembly
7-9.
REMOVAL
AND
INSTALLATION.
(See
(18).
figure
7-1.)
d.
Remove
pivot
bolt
and
spacer
(14),
then
care-
a.
Remove
access
plate
from
lower
wing
skin
ad-
fully
work
lever
out of
fuselage
structure.
jacent
to
bellcrank
(33).
e. Reverse
the
preceding
steps
for
reinstallation.
b. Remove
access
panel
from
below
left door.
Rig
system
in
accordance
with
paragraph
7-16,
safety
c.
Lower
flaps
to full
down
position.
turnbuckles
and
reinstall
all items
removed
for ac-
d. Remove
safety
wire
and relieve
cable
tension
cess.
at turnbuckles
(10 and 24
or 26 and
28).
7-2