Cessna 177 SERIES Service Manual

3-23. LATCHES.
(Refer to
figure 3-4.)
3-28. BAGGAGE
DOOR. (Refer
to figure 3-5.)
3-24.
DESCRIPTION.
The cabin
door latch is
a
3-29. REMOVAL
AND INSTALLATION.
push-pull
bolt type, utilizing a rotary clutch
for a. Disconnect door-stop
chain (9).
positive bolt engagement.
As
door is closed,
teeth
b. Remove screws
securing upholstery
panels
and
on underside of
bolt engage gear teeth on clutch.
remove panels.
The clutch
gear
rotates
in one direction
only
and
c.
Remove
bolts (11)
securing
door
to hinges
or
holds
door until handle
is moved
to LOCK
position,
remove
clevis pins
(10) securing
hinges
to brackets.
driving
bolt into slot.
Beginning with
Serial 17701774
d. Reverse
preceding
steps for installation.
and airplanes
modified
per
SK177-26,
a sliding bolt
and stop
have
been added
to
the upper
forward
cor-
NOTE
ner of the cabin
to improve sealing.
The bolt is act-
uated
when the
door handle
is moved
to
the lock
pos-
When
fitting
a new door,
trimming
of
door
ition.
at edges
and reforming
with
a soft mallet
NOTE
may be
necessary to achieve
a good fit.
Do not close cabin
door with the handle 3-30.
SEATS. (Refer to figure 3-6.)
in
the lock
position,
as damage
to the
forward bolt
and or door jamb will result.
3-31. PILOT AND COPILOT.
a. RECLINING BACK.
b.
VERTICAL
ADJUST/RECLINING
BACK.
3-25.
ADJUSTMENT.
Vertical
adjustment
of the
ro-
c. ARTICULATING
RECLINE/VERTICAL
tary clutch
is afforded
by slotted holes
which en-
ADJUST.
sures sufficient
gear-to-bolt
engagement
and proper
alignment.
3-32.
DESCRIPTION. These
seats are manually-
NOTE
operated throughout
their full
range of operation.
Seat stops
are provided
to limit
fore-and-aft
travel.
Lubricate door
latch per Section
2. No
lubrication
is recommended
for rotary
3-33.
REMOVAL AND INSTALLATION.
clutch,
a. Remove seat
stops from rails.
b. Slide seat fore-and-aft
to disengage seat
rollers
3-26.
LOCK. In
addition to interior
locks, a
cylin- from
rails.
der and key type lock is installed
on left door. If c.
Lift seat out.
lock is to be replaced,
the new one n:ay be modified
d. Reverse
preceding steps for
installation. En-
to accept the
original key. This is desirable, as the
sure all seat stops are reinstalled.
same key
is used for ignition
switch and cabin door
WARNING
lock. After removing old lock from door, proceed
as follows:
a. Remove lock cylinder from
new housing. It is extremely
important that pilot's seat
b. Insert original key into new cylinder
and file off stops are installed, since
acceleration and
any protruding
tumblers flush with cylinder. Without
deceleration could possible permit seat
to
removing key,
check that cylinder
rotates freely in
become disengaged
from seat rails
and
housing.
create a hazardous
situation, especially
dur-
c.
Install lock assembly
in door and check
lock
ing take-off
and landing.
operation
with
door open.
d. Destroy new key and
disregard code number on
3-34. CENTER.
cylinder.
a.
DOUBLE-WIDTH BOTTOM AND BACK/
SINGLE
RECLINING
BACK.
3-27. INDEXING
INSIDE HANDLE. (Refer
to figure
b. DOUBLE-WIDTH
BOTTOM AND BACK/
3-4.)
When inside door handle is removed,
reinstall INDIVIDUAL RECLINING
BACKS.
in
relation to
position
of bolt (4)
which is
spring-
loaded
to CLOSE position.
The following
procedure
3-35. DESCRIPTION.
These seats are
permanently
may be used:
bolted to
the cabin structure and
incorporate no ad-
a.
Temporarily install handle
(10) on shaft assem-
justment provisions
other than manually-adjustable
bly (20) approximately
vertical.
three position backs.
b. Move
handle (10) back and
forth until handle cen-
ters in spring-loaded position. 3-36. REMOVAL AND INSTALLATION.
c.
Without rotating
shaft assembly
(20), remove
bolts securing
seat to
cabin structure.
handle and install placard
(15) with CLOSE index at
b. Lift seat out.
top and press
placard to
seat prongs.
c. Reverse
preceding
steps for installation.
d.
Install nylon
washer (14).
e. Install
handle (10)
to align with CLOSE
index on
337 AUXILIARY.
placard (15) and
install clip (13).
a. FOLD-UP
f.
Ensure bolt
(4) clears
doorpost
and teeth
engage
clutch
gear when handle (10)
is in CLOSE position.
3-6
Change
3

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)