Cessna 177 SERIES Service Manual

11-12A.
TIME BETWEEN
OVERHAUL (TBO). Avco
11-12B. OVERSPEED
LIMITATIONS.
The engine
Lycoming
recommends
engine overhaul
at
2000 hours
must
not be
operated
above specified
maximum
con-
for
the 0-320
Series
and
0-360
Series
engines,
ex-
tinuous
RPM.
However,
should
inadvertant
over-
cept
as stipulated
in Avco
Lycoming
Service Instruc-
speed occur,
refer to the
latest issue
of Avco
Lyco-
tion No. 1009 and revisions thereto.
At the time of ming Service Bulletin
No. 369 and all applicable
overhaul engine accessories
should be overhauled.
Service
Letters and Service Instructions
for obliga-
Refer to Section
13 for propeller
and governor
over- tory
recommendations.
haul periods.
11-13.
TROUBLE
SHOOTING.
TROUBLE PROBABLE CAUSE REMEDY
ENGINE WILL
NOT START. Improper use of starting
pro- Review starting procedure.
cedure.
Fuel
tanks empty.
Visually
inspect tanks.
Fill
with
proper grade
and quantity
of
gasoline.
Mixture control in the
IDLE Move control
to the full RICH
CUT-OFF position.
position.
Fuel selector valve in OFF Place selector valve in the ON
position.
position
to a tank known to
contain gasoline.
Defective carburetor.
If engine
will start
when primed
but stops
when priming
is dis-
continued,
with
mixture
control
in
full RICH
position,
the carbu-
retor
is defective.
Repair
or
replace carburetor.
Carburetor screen or fuel Remove carburetor and clean
strainer
plugged.
thoroughly.
Refer to paragraph
11-48.
Vaporized fuel.
(Most likely
Refer
to paragraph
11-85.
to
occur in hot
weather with
a hot engine.
Engine flooded.
Refer to
paragraph 11-85.
Water in
fuel system.
Open fuel
strainer drain
and
check for water. If water is
present,
drain
fuel tank sumps,
lines, strainer and carburetor.
Defective magneto
switch or Check
continuity. Repair or
grounded magneto
leads, replace
switch or leads.
Spark
plugs fouled.
Remove,
clean and regap
plugs.
Test harness cables to persistently
fouled plugs. Replace if defective.
11-6
Change
6

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)