Cessna 177 SERIES Service Manual

13-8. TROUBLE SHOOTING (Cont).
TROUBLE
PROBABLE
CAUSE
REMEDY
ENGINE
SPEED
WILL
NOT
Excessive
friction
in pitch
Check
manually.
STABILIZE
(Cont).
changing
mechanism
inside
Propeller
repair
or replacement
propeller
or excessive
pro-
is
required.
peller blade friction.
Defective
governor.
Refer to paragraph
13-13.
Replace
defective
governor.
OIL LEAKAGE
AT
PROPELLER
Damaged
O-ring
seal
between
Check visually.
MOUNTING
FLANGE.
engine
crankshaft
flange
and
Remove
propeller
and install
propeller.
O- ring seal.
Foreign material
between
engine
Check
visually.
crankshaft
flange
and propeller
Remove
propeller
and clean
mating
surfaces or
mounting
mating
surfaces; install
new
nuts not
tight.
O-ring
and
tighten
mounting
nuts
evenly to torque
value
in figure 13-2.
OIL LEAKAGE
BETWEEN
Defective
cylinder gasket
or
Check visually.
PROPELLER
HUB
AND
cylinder
mounting
screws
Remove
cylinder,
clean
mating
CYLINDER.
not tight.
surfaces
and install
new
gasket.
OIL LEAKAGE
AT
ANY
Defective
seals, gaskets,
Check
visually.
OTHER
PLACE.
threads, etc.,
or incorrect
Propeller
repair or
replacement
assembly.
is required.
13-9. REMOVAL.
(Refer to figure 13-2.)
NOTE
IWARNINGL
After removal of the propeller,
the starter
ring gear support
assembly (9) may
be re-
Be sure magneto switch is in OFF position moved from the engine crankshaft to allow
before turning propeller.
easier access of the aft
spinner bulkhead at-
taching bolts. Loosen alternator adjusting
a. Remove spinner (1).
arm and disengage
alternator drive pulley
b. Remove safety wire and loosen bolts attaching belt from pulley on aft face of starter ring
propeller to engine crankshaft, about 1/4-inch and gear support assembly.
pull propeller forward.
13-10. INSTALLATION. (Refer to figure 13-2.)
NOTE
-
WARNING
Bolts will have to be backed out evenly so
that propeller may be pulled forward
(ap- Be sure magneto
switch is in OFF position
proximately 1/4-inch
at a time) until all
before turning propeller.
bolts are disengaged from the engine crank-
shaft flange. As the propeller is separated
a. If aft spinner bulkhead was
removed, install on
from the engine
crankshaft, oil will drain
ring
gear support, using bolts,
washers, nuts and
from the propeller and engine crankshaft shims as shown in figure 13-2.
cavities.
b. If starter ring gear
support and aft spinner bulk-
head were removed,
clean mating surfaces
of support
c. Pull propeller (4) from engine crankshaft (10). assembly and engine crankshaft flange.
d. If necessary to remove the aft spinner bulkhead c. Place alternator drive belt in pulley groove of
(8), remove
bolts, washers and nuts attaching bulk-
the starter ring gear support. Fit starter
ring gear
head to the starter ring
gear support (9). Retain
support
assembly over propeller
flange bushings on
shims (7). the crankshaft.
Change
2
13-5

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)