Cessna 177 SERIES Service Manual

10-12. RUDDER
TRIM CONTROL SYSTEM.
(BE- system
is operated by a trim
control wheel, mount-
GINNING WITH
AIRCRAFT SERIAL
17701371.)
ed in the pedestal,
which is connected by
cables
and
chains
to an
actuator
assembly
attached
to the
10-13. DESCRIPTION.
The
rudder trim control
aft
rudder bar.
10-
14. TROUBLE
SHOOTING.
NOTE
This
trouble
shooting
chart should
be used
in conjunction
with the
trouble
chart
in paragraph
10-3.
NOTE
Due
to remedy
procedures
in the
following
trouble
shooting
chart it
may be
necessary
to re-rig
system, refer
to paragraphs
10-11
and 10-21.
TROUBLE
PROBABLE
CAUSE
REMEDY
FALSE
READING
ON TRIM
Improper
rigging.
Rig
in accordance
with para-
POSITION
INDICATOR.
graphs
10-11 and
10-21.
Worn, bent
or disconnected
Repair or replace
as necessary.
linkage.
HARD
OR SLUGGISH
OPERA-
Worn.
bent
or binding linkage.
Repair
or replace
as necessary.
TION
OF TRIM
WHEEL.
Incorrect
rudder cable
tension.
Adjust rudder
cable tension.
FULL
TRIM
TRAVEL
Rudder
trim
system
improperly
Rig in accordance
with para-
NOT OBTAINED.
rigged.
graphs
10-11
and 10-21.
10-15.
STEERING BUNGEE.
(Refer to figure
10-5.)
10-17.
TRIM CONTROL
WHEEL.
(Refer
to figure
10-5.)
10-16.
REMOVAL
AND
INSTALLATION.
a.
Remove
rudder bars
in accordance
with
para-
10-18.
REMOVAL
AND INSTALLATION.
graph 10-5.
a. Remove
pedestal
cover in accordance
with
para-
b. Remove
bolt (41)
securing bungee
rod clevis
graph
10-20.
(39)
to rod end (40).
b. Relieve cable
tension at turnbuckles
(10).
c. Disconnect
clamp (35)
securing boot
(36) to
c. Remove
chain guard from
lower support
(7) and
bungee (20).
disengage chain (9) from sprocket.
d.
Beginning with aircraft
serial 17701371 remove
d. Remove
screws securing lower
support (7) to
bolt (28) securing actuator nut (23) to link assembly pedestal structure (8).
(25).
e.
Remove
screws securing
indicator
support
e. Remove
nut (31) securing
actuator
assembly
(22) bracket
(3) to
stringer assembly.
to support
(32) and
remove actuator
assembly.
f.
Remove
bolts securing
support
tubes (2) to
f. Remove
cotter pins
securing shaft
and link assem-
stringer assembly.
bly
(25) to supports
(34).
g.
Using care work
trim wheel
(5) and attaching
g.
Remove
bolt (30)
securing
bungee assembly
(20)
parts out
of aircraft
as a unit.
to
link assembly
(25)
and remove
link
and shaft
as-
h.
The unit
may now
be disassembled
and
parts
semblies.
replaced
as
necessary
by removing
the roll
pin and
h.
Using care
work
bungee
out
of aircraft.
sprocket.
i. Reverse
preceding
steps
for reinstallation.
Rig
i.
Reverse
the preceding
steps
for reinstallation.
system
in accordance
with
paragraph
10-21.
Rig
system
in accordance
with paragraph
10-21.
safety
turnbuckles
and
reinstall
pedestal.
Change 1 10-7

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)