Cessna 182 1978 - Page 292

MODEL 182 & T182 SERIES SERVICE MANUAL
e. Assemble support
(35) and mount (37) using bolts
NOTE
(36), do not tighten until entire unit is assembled and
freedom of movement
is assured.
Refer to the inspection
chart in Section
2
f. Install switch
bracket (31).
for inspection,
lubrication and/or replace-
ment interval
for the mixture
control.
NOTE
11A-69.
CARBURETOR HEAT
CONTROL.
Lubricate waste
gate control cable
(30) a.
Loosen clamp securing
the control to the bracket
with molybdenum
disulfide (MIL-M-7866)
on engine.
suspended in petroleum
distilate. b. Push control
full in, then pull it out approximately
1/8 inch from panel for cushion.
g. Install
waste gate control (30) with bolts (28 and 29).
c. Shift control housing in its clamp so
that the valve
h. See figure 11A-6.
Waste gate control
arm (10) in the
airbox is seated in the
full open position. Tight-
must be against minimum
stop screw adjustment (8)
en clamp in this position.
and wire must
not be bent. Ensure 0. 072" clearence d.
Pull out on the control and check that the air valve
exists between
butterfly
valve and throat
while arm
inside the
airbox seats
in the opposite
direction.
rests against
the adjustable stop.
e. Check that
bolt and nut on the air
valve lever
i.
Install throttle
control (18) so
approximatley
1/8" secures
the control wire
and that the
bolt will swivel
cushion exists
at each end of travel of the cockpit
in the lever.
throttle control
f. Bend the wire tip 90 degrees
to prevent it from
being withdrawn if
the attaching nut should
become
NOTE
loose.
Slots
are provided to allow free movement
NOTE
alignment
tighten bolts
in proper sequence
to
prevent binding. If after
complete assembly
Refer to
the inspection chart in
Section 2 for
the return spring will not return the arm
inspection, lubrication
and/or replacement
readjustment
is necessary.
interval
for the carburetor
heat control.
j.
After free movement
is obtained,
follow the follow-
11A-70.
PROPELLER
CONTROL.
(Refer to Section
ing
bolt tightening
sequence.
13.)
1. Tighten throttle arm bolt (9),torque
20-30 in-lbs. 11A-71. STARTING
SYSTEM (Refer to Section 11.)
2. Throttle
rod bolt (5)
tighten as soon as
all levers-72
EXHAUST
SYSTEM.
(8, 14 and 17),
washers
(6, 10, 12
and 15), bearings
(7,13
and
19)
and
retainers
(
11 and
16)
are
11A-73.
DESCRIPTION.
The
exhaust
system
con-
installed.
sists
of
a single
pipe
for
each
cylinder,
two
short
3. Tighten
castellated nut
(23) and install
cotter pin
stacks, a crossover
tube, a
Y connector
the turbine
(22) after throttle rod bolt.
(22) after throttle rod bolt. section of the turbocharger, a waste gate, and a
4. Tighten
stationary lever
bolts (29)
before support
single exhaust
outlet. The
single pipes collect
ex
mount bolts. haust gases from each respective cylinder, and route
5. Tighten support mount bolts (36) only after adjust- it to the two stacks, one for the set of odd numbered
ment
is complete
and free
movement
is assured.
cylinders
and
one for
the set of
even numbered
cylin-
ders. The left bank,
even numbered, exhaust
gases
11A-68.
MIXTURE CONTROL.
are used to drive
the turbine wheel of the
turbocharger,
a. Push
mixture
control full
in, then pull
it out
which
in turn drives
the compressor
wheel.
The right
approximately
1/8 inch for
cushion.
bank, odd numbered,
exhaust
is routed through
the
b. Loosen
clamp
securing the
control to
the engine,
crossover
around
the front of
the engine
to the Y con-
c. Shift
control housing
in the clamp
so that
the
nection,
which directs
exhaust to
the waste
gate. All
mixture
arm on the carburetor
is in the
full open
excess exhaust
gases bypass
the turbine wheel
of the
position
(RICH). Tighten
the clamp
in this position.
turbocharger
through the
waste gate. Manual
linkage
d. Unlock
and pull mixture
control full
out. Check
connects the
waste gate valve
to the carburetor
throt-
that idle mixture
arm on carburetor is
full closed tle
linkage. As the throttle
is moved toward the open
(IDLE CUT-OFF).
position,
the waste gate
is operated mechanically.
e. Check
that the bolt and
nut at the mixture arm
on carburetor secures
the control wire and
that the 11A-74.
REMOVAL AND INSTALLATION.
(See figure
bolt will swivel in the arm.
11A-7. )
f. Bend the wire tip
90 degrees to prevent it
from a. Remove
engine cowling in accordance
with para-
being withdrawn
if the attaching
nut should
become
graph 11A-3.
loose.
b. Disconnect
ducts from heater
shroud on muffler
g. When installing
a new control,
it may
be neces-
assembly.
sary
to shorten the wire and/or control housing.
c. Disconnect duct from shroud on
left exhaust
h. The mixture
arm on the carburetor must
contact stack assembly.
the stops
in each direction, and the control should
d. Remove nuts, bolts and clamps attaching
stack
have approximately
1/8 inch cushion when pushed
in. assemblies to the turbocharger.
Revision 1 11A-21