Cessna 177 SERIES Service Manual

3 U -OUTLET TO
CARBURETOR
12 1 1r
^ \ ^--^^
INLET
FROM
^ %
^^9
y~
STRAINER
37
42
slro
3'^
,,^^
iSCAUTION
2
Do not tamper
with seal
at center of
mount-
ing bracket (12)
as it retains the
dry gas,
1-. 3~~J
^
^which
surrounds
the electric
system
in
the
upper portion
of the
pump.
1. Cover
6. Washer
10.
Plunger
2. Gasket
7. O=Ring
11.
Tube
3. Magnet
8. Cup
Valve
12. Mounting
Bracket
4. Filter
9. Spring
13.
Body
5. Retainer
14.
Electrical
Lead
Figure 12-8.
Electric Fuel
Pump
c. Disconnect
and
cap or plug
all fuel
lines at
12-38.
REMOVAL
AND
INSTALLATION.
strainer.
(Observe
precautions
in paragraph 12-3.)
a.
Disconnect and
cap or plug all
lines at primer.
d.
Remove
front cover
of
shroud.
(Observe
the
precautions
in paragraph
12-3.)
e. Loosen
clamp and
clamp bolt
attaching quick-
b. Unscrew
knurled
nut and remove
plunger
from
drain
control.
pump
body.
f.
Disconnect
primer line.
c. Remove
pump body
from instrument
panel.
g. Remove
screws
attaching
strainer
to shroud.
h. Remove
strainer.
NOTE
i.
Reverse
the preceding
steps
for installation.
Remember
to install
the insulation
washer
on the
Visually inspect
primer
lines for
crushed,
engine side
of the firewall.
kinked.
or broken
condition.
Ensure
proper
j. Push
shut-off
valve
control
knob
to "ON"
posi-
clamping
to prevent
fatigue
due
to vibration
tion,
close strainer
drain
and check
for leaks
and
and
chafing.
proper
operation.
k. Safety
wire shut-off
valve knob
to its mounting
d. Prior
to installing
a primer,
check
for proper
bracket with
.018 inch
diameter mild
steel safety
pumping action
and positive
fuel
shut-off in the
lock-
wire.
ed
position.
e. Reverse
the preceding
steps
for installation.
12-36.
PRIMING
SYSTEM.
12-39. AUXILIARY
FUEL
PUMP.
12-37.
DESCRIPTION.
The priming system
is of
the manually-operated
type.
Fuel is supplied
by a
12-40. DESCRIPTION.
The
electric auxiliary
fuel
line from the
fuel strainer
to the
plunger-type
primer.
pump, located
on the
forward side
of the firewall.
Operation of
the plunger forces
fuel to each
individual
delivers fuel
under pressure
to the carburetor
when
cylinder except No. 3 cylinder.
the ON-OFF switch on the instrument
panel is turned
12-15

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)