Cessna 177 SERIES Service Manual

j.
Reverse
the
preceding
steps
for
reinstallation.
f.
If the
push-pull
rod
adjustment
is not
disturbed,
Rig system
in accordance
with
paragraph
7-21,
safety
re-rigging
of the
system
should
not be
necessary.
turnbuckles
and
reinstall
all
items
removed
for
ac-
Check
flap
travel
and rig
in
accordance
with
para-
cess.
graph
7-21, if
necessary.
7-12.
REPAIR.
Repair
is
limited
to replacement
of
7-18.
REPAIR.
Flap
repair
may
be
accomplished
bearings.
Cracked,
bent
or
excessively
worn
drive
in
accordance
with
instructions
outlined
in
Section
18.
pulleys
must
be
replaced.
Lubricate
drive
pulley
bearings
as outlined
in Section
2.
7-19.
CABLES
AND
PULLEYS.
7-13.
BELLCRANKS.
7-20.
REMOVAL
AND
INSTALLATION.
(Refer
to
figure
7-1.)
7-14.
REMOVAL
AND
INSTALLATION.
(Refer
to
a.
Remove
access
plates,
fairings
and
upholstery
figure
7-1.)
as
required
for
access.
a.
Run
flaps
to full
DOWN
position.
b.
Relieve
cable
tension
at turnbuckles
(12
and
b. Remove
access
plates
adjacent
to
bellcrank
(15).
12A).
c.
Remove
bolt
securing
push-pull
rod
(16)
to
bell-
c.
Disconnect
cables
at drive
pulleys
(2).
crank
(15).
d.
Disconnect
cables
at
actuator
guide
assembly
I
d.
Remove
bellcrank
pivot
bolt
(17)
and position
(index
7,
figure
7-2).
bellcrank
as
necessary
to
expose
synchronizing
push-
e.
Remove
cable
guards
and pulleys
as
necessary
pull
tube
(1) attach
point.
to
work
cables
free
of aircraft.
e.
Remove
bolt securing
synchronizing
push-pull
tube
(1)
to bellcrank
(15)
and
work
bellcrank
out
NOTE
through
access
opening
using
care not
to
drop
bush-
ing
(4).
Tape open
ends
of
bellcrank
to
protect
To
ease
routing
of cables,
a length
of wire
needle
bearings
(3).
may
be attached
to the
end
of cable
being
withdrawn from
the aircraft.
Leave wire
NOTE
in place,
routed
through
structure;
then
attach
the cable being
installed and use
To remove
synchronizing
push-pull
tube
(1),
wire
to
pull
cable
into
position.
disconnect
tube
at
bellcrank
(15)
and
drive
pulley
(2).
Position
tube
through
lightening
f. Reverse
the
preceding
steps
for
reinstallation.
holes
until
removal
is
possible
through
ac-
After
cable
is routed
in position,
install
pulleys
and
cess
opening.
cable
guards.
Ensure
cable
is positioned
in pulley
groove
before
installing
guard.
f.
Reverse
the
preceding
steps
for
reinstallation.
g. Re-rig
flap
system
in accordance
with
paragraph
Brass
washers
may
be
used
as required
to shim
out
7-21,
safety
turnbuckles
and
reinstall
all items
re-
excess
clearance
between
bellcrank
and
support
moved
in
step
"a".
brackets.
If the
push-pull
rod
and synchronizing
tube
adjustments
are
not
disturbed,
re-rigging
of
7-21.
RIGGING.
the system
should
not
be necessary.
Check
flap
travel
and
rig
in accordance
with
paragraph
7-21,
if
NOTE
necessary,
and
reinstall
all items
removed
for
ac-
cess.
The
following
procedure
outlines
COMPLETE
flap
system
rigging.
All
steps
of this
pro-
7-15.
REPAIR.
Repair
is
limited
to
replacement
cedure
should
be noted,
although
individual
of
bearings.
Cracked,
bent
or excessivly
worn
circumstances
may
not
require
that
all
steps
bellcranks
must
be
replaced.
be
completed.
7-16.
FLAPS.
a.
THRU
AIRCRAFT
SERIAL
17701633
WHEN
NOT
MODIFIED
IN ACCORDANCE
WITH SK177-17
AND
7-17.
REMOVAL
AND
INSTALLATION.
(Refer
to
.SK177-
18.
figure
7-3.)
1. (Refer
to figure
7-2.)
Run
flaps to
the FULL
a. Run
flaps
to
full
DOWN
position.
DOWN
position.
b.
Remove
access
plate
(5) outboard
of the
inboard
flap
track.
NOTE
c.
Disconnect
push-pull
rod at
both flap
attach
points
(2).
Loosen
screws
securing
limit
switches
(17
d. Remove
bolt
(9) at
each aft
flap track,
pull
flap
and
18) and
slide
switches
in their
adjust-
aft
and
remove
remaining
bolts.
As flap
is removed
ment slots
until
they
cannot
be actuated
by
from
wing,
all washers,
rollers
and
bushings
will
the
guide
assembly
(7).
This
will
ensure
fall
free. Retain
these
for
reinstallation.
that the
flaps are
reaching
their
full
travel
e.
Reverse
the
preceding
steps
for
reinstallation.
before
being
stopped
by the
limit
switches.
7-6 Change 5

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)