Cessna 177 SERIES Service Manual

6-3. TROUBLE SHOOTING (Cont).
TROUBLE
PROBABLE CAUSE
REMEDY
CONTROL
WHEELS NOT Improper
adjustment of Adjust in accordance
with
LEVEL WITH AILERONS
cables.
paragraph 6-20.
NEUTRAL.
Improper adjustment
of Adjust
push-pull rods to obtain
aileron push-pull
rods. proper
alignment.
DUAL CONTROL WHEELS
Transition
cable improperly
Adjust
in accordance with
NOT
COORDLNATED.
adjusted.
paragraph
6-20.
INCORRECT
AILERON
Push-pull rods
not adjusted
Adjust in accordance
with
TRAVEL.
properly.
paragraph
6-20.
Incorrect
adjustment of travel
Adjust in accordance
with
stop bolts,
paragraph 6-20.
6-4.
CONTROL COLUMN.
(Refer
to figure 6-2.)
e. Remove
interconnect
cable clamps
(index 3,
figure 6-3) if installed.
6-5. DESCRIPTION.
Rotation
of the control
wheel
f.
Remove
cables from
quadrants
(34).
(6) rotates
four bearing
roller assemblies
on the
end g.
Remove roll
pin (33) from quadrant
(34).
of the tube and bearing
assembly (19), which
in turn, h.
Remove nut (39) and washer
from tube assembly
rotates
a square control
tube assembly
(5) inside and
(5) protruding
through bearing
block (28)
on forward
extending
from the tube and bearing assembly
(19). side of firewall
(38).
Attached to this
square tube (5) is a quadrant (34)
i. Disconnect link (20) from sleeve weld assembly
which operates the aileron
system. This same ar-
(16).
rangement is
provided for both
control wheels
and
j. Pull tube
(5) aft and remove
quadrant
(34).
synchronization
of the control
wheels is obtained
by
k. Remove
screws securing
collar (8) and
bracket
the transition
cable (36), turnbuckle
(37) and adjust-
(10) to
instrument panel.
ment terminals
(35). The
forward end
of the square
I. Pull tube
and bearing
assembly (19)
aft and re-
control
tube (5) is mounted
in a bearing
block (28) on
move tube assembly
(5).
the firewall
(38) and does not
move fore-and-aft.
but
m. Work tube
and bearing assembly
(19) forward
and
rotates with the
control wheel.
The four bearing
down
until free
of collar (8) and
bracket (10) at
in-
roller assemblies
on the end
of the tube and
bearing
strument panel.
assembly
(19) reduce friction
as the control
wheel is
n. Reverse
preceding steps
for reinstallation.
Rig
moved fore-and-aft
for stabilator
system
operation.
aileron and interconnect
systems
in accordance
with
A
sleeve weld assembly (16),
containing bearings
paragraph
6-20, safety turnbuckles
and all other
which permit
the tube and bearing
assembly (19) to
items previously safetied.
Tighten nut (39)
securing
rotate within
it. is secured
to the tube
by a sleeve
tube assembly
(5) to firewall
snugly, then
loosen the
and retaining
ring in
such a manner
that it moves
least amount
required
to eliminate binding
and pro-
fore-and-aft
with the tube and
bearing assembly.
vide
cotter pin alignment.
This movement
allows the link
(20) attached to the
sleeve
weld assembly
(16) to operate
a lever arm
6-7.
REPAIR. Worn,
damaged or
defective shafts,
(25) which transmits
force to
a quadrant (22).
The
bearings, quadrants,
cables or
other components
stabilator
control
cables (23 and
24) are attached
to should
be replaced.
Refer to Section
2 for lubrica-
these quadrants.
When dual controls
are installed.
tion
requirements.
the copilot control
wheel is linked to
the aileron and
stabilator
control systems
in the same manner as
6-8. AILERON
BELLCRANK. (Refer
to figure 6-1.)
the pilot control wrieel.
6-9.
REMOVAL.
6-6. REMOVAL
AND INSTALLATION.
a. Remove
access plate
inboard of each
bellcrank
a. Remove screws
attaching control
wheel (6) to
on underside
of wing.
tube and
bearing assembly (19)
and remove control
b. Relieve control
cable tension by loosening
turn-
wheel. Disconnect electrical
wiring if installed.
buckles (1).
b. Remove decorative
cover from instrument panel. c. Disconnect
direct cable link (21) at bellcrank
c. Relieve direct
cable tension by loosening
turn- (22).
buckles
(index 1. figure 6-1).
d. Disconnect
carry-thru cable (5) at
bellcrank.
d. Relieve transition cable tension by loosening e. Disconnect aileron push-pull rod (19) at bell-
turnbuckle (37). crank.
6-2
Change
1

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)