Cessna 177 SERIES Service Manual

landing
gear
as well
as
the engine.
The
engine
is
18-75.
ENGINE
COWLING.
attached
radially
to
the four
mounting
lugs
by
Lord
type,
bonded
sandwich
mounts.
18-76.
REPAIR
OF COWLING
SKINS.
If extensively
damaged,
complete
sections
of cowling
must
be
re-
18-71.
GENERAL
CONSIDERATIONS.
All
welding
placed.
Standard
insert-type
patches,
however,
on
the engine
mount
must be
of the
highest
quality
may
be used
if
repair
parts
are formed
to
fit. Small
since
the
tendency
of vibration
is to
accentuate
any
cracks
may
be stop-drilled
and
dents
straightened
if
minor
defect
present
and
cause
fatigue
cracks.
En-
they
are reinforced
on
the inner
side
with a
doubler
gine mount
members
are preferably
repaired
by
of the same
material.
Bonded
cowling may
be re-
using
a large
diameter
replacement
tube,
telescoped
paired
by the
same methods
used
for
riveted
struc-
over
the stub
of the
original
member,
using
fish-
ture.
Rivets
are a
satisfactory
substitute
for
bond-
mouth
and rosette
type
welds.
However,
reinforced
ed seams
on
these
assemblies.
The strength
of the
30-degree
scarf welds
in place
of
the fishmouth
bonded
seams
in cowling
may
be replaced
by
a single
welds are
considered
satisfactory
for
engine
mount
3/32,
2117-AD
rivet
per
running
inch of
bond seam.
repair
work.
The standard
repair
procedures
outlined
in AC43.13-
1 are
also applicable
to cowling.
18-72.
ENGINE
MOUNT
RADIAL
SUPPORT
DAM-
AGE.
Minor
damage
such as
a crack
adjacent
to
an
18-77.
REPAIR
OF
REINFORCEMENT
ANGLES.
engine
attaching
lug
may be
repaired
by rewelding
Cowl
reinforcement
angles,
if damaged,
must
be
the
support
tube and
extending
a
gusset
past the
dam-
replaced.
Due to their
small
size
they are
easier
aged
area.
Extensively
damaged
parts
must
be re-
to replace
than
repair.
placed.
18-78.
REPAIR
OF
ABS
COMPONENTS.
Rezolin
Re-
18-73.
DAMAGE
INVOLVING
ENGINE
MOUNTING
pair
Kit Number
404 may
be obtained
from
the Cessna
LUGS
AND ENGINE
MOUNT-TO-FUSELAGE
AT-
Service
Parts
Center
for repair
of ABS
components.
TACHING
FITTINGS.
Engine
mounting
lugs
and
en-
gine mount-to-fuselage
attaching
fittings
should
not
18-79.
REPAIR
OF GLASS-FIBER
CONSTRUCTED
be repaired
but must
be replaced.
COMPONENTS.
Glass-fiber
constructed
components
on
the aircraft
may be
repaired
as stipulated
in in-
18-74.
BAFFLES.
Baffles
ordinarily
require
re-
structions
furnished
in SK182-12.
Observe
the
resin
placement
if damaged
or
cracked.
However,
small
manufacturer's
recommendations
concerning
mixing
plate
reinforcements
riveted
to the
baffle
will
often
and
application
of the
resin.
Epoxy
resins
are
pref-
prove
satisfactory
both
to the
strength
and
cooling
erable
for
making
repairs,
since
epoxy
compounds
requirements
of
the unit.
are
usually
more
stable
and predictable
than
poly-
ester and
give better adhesion.
SHOP
NOTES:
18-6 Change 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)