Cessna 177 SERIES Service Manual

8-3.
TROUBLE
SHOOTING
(Cont).
TROUBLE
PROBABLE
CAUSE
REMEDY
BINDING
OR JUMPY
MO-
Defective
stabilator
quadrant
Check
quadrant;
move
to check
for
TION
FELT
IN
MOVEMENT
pivot
bearings.
play
or
binding.
Replace
defective
OF
STABILATOR
SYSTEM.
bearings.
Defective
stabilator
pivot
Disconnect
cables
at balance
weight
bearings.
and move
stabilator
by
hand to
check
for binding.
Replace
defective
bear-
ing.
Cables
slack.
Check
cable
tension.
Adjust
to
tension
specified
in figure
8-1.
Cables
not
riding
correctly
on
Check
visually.
Route
cables
pulleys.
correctly
on
pulleys.
Defective
trim
tab bellcrank
Disconnect
actuator
and
push-pull
bearings.
tube
from
bellcrank
and check
for
binding.
Replace
defective
bearings.
Defective
control
column
Check
visually.
Replace
defective
bearing
rollers.
rollers.
Defective
control
column
Disconnect
parts
and
check
that
torque
tube bearings.
torque
tube rotates
freely.
Re-
place
defective
bearings.
Control
guide
on aft
end of
Loosen
screw
and
tapered
plug
control
tube
assembly
ad-
in end
of
control
tube
enough
justed
too tight.
to eliminate
binding.
Defective
pulleys
or cable
Check
visually.
Replace
defective
guards.
parts
and
install
guards
properly.
STABILATOR
FAILS
TO
Stops
incorrectly
set.
Rig
in
accordance
with
paragraph
ATTAIN
PRESCRIBED
8-10.
TRAVEL.
_
Cables
tightened
unevenly.
Rig
in accordance
with
paragraph
8-10.
Interference
at instrument
Rig
in
accordance
with
paragraph
panel.
8-10.
8-4.
CONTROL
COLUMN.
(Refer
to figure
6-2.)
NOTE
Section
6
outlines
removal,
installation
and
repair
of
control
column.
Rigging
of stabilator
and trim
systems
should
not be
affected
by
removal
of
stabilator.
8-5.
STABILATOR.
(Refer
to
figure
8-2.)
Cable
tension
need not
be
relieved
if the
bal-
ance
weight
arm is not
to be removed
from
8-6.
REMOVAL
AND
INSTALLATION.
aircraft.
a. Remove
stinger.
b. Remove
stabilator
trim tab push-pull
tube
(4) at
d. Remove
stabilator
pivot bolts
(11) and
remove
tab (2).
stabilator
(1) and
trim
tab
(2) as
a unit.
c. Remove
bolts
(12)
securing
balance
weight
arm
e.
Reverse
the
preceding
steps
for reinstallation.
(16) to stabilator
(1).
Check
stabilator and
trim tab
travels and
rig if nec-
essary.
8-2
Change
2

Cessna 177 SERIES Specifications

General

Manufacturer	Cessna
Engine Type	Piston
Wingspan	35 ft 6 in (10.82 m)
Seating Capacity	4
Number Built	4, 295
Engine	Lycoming O-360
Horsepower	180 hp
Maximum Takeoff Weight	2, 500 lb (1, 134 kg)