Cessna 402B 1973 - Page 87

NOTE
Operation at
peak
EGT is
not authorized
for
normal
continuous operation, except to
establish peak
EGT
for reference.
Operating
leaner
than
peak
EGT
minus 50" F
(enrichen)
is
not
approved
(3)
Use
rich mixture
(or
mixture
appropriate
for
field
elevation)
in
idle descents
or
landing
approaches.
Leaning
technique for
cruise
descents
rnay
be with EGT refeience
method
(at
least
every
5000 feet)
or
by
simply enriching
to
avoid
engine rough-
ness,
if numerous
power
reductions
axe made.
ETECTRIC
ETEVATOR
TRIM
The
electric
elevator
trim
system
consists
of
an
electrically
operated
drive
motor
and
clutch assembly,
which
receives power
through a momen-
tary
ON two
way
trim
switch and
an
emergency disengage
switch.
NORMAT
OPERATION
To
operate
the electric
elevator
trim
system
proceed
as follows:
(1)
Battery
Switch
- ON.
(2)
Elevator
Trim Disengage
Switch -
ELEVATOR
TRIM.
(3)
Trim
Switch
-
AC|TUATE
(AS
DESIRED).
(4)
Elevator
Positiontlndicator
-
CHECK.
NOTE
To
check
the
operation
of the disengage
switch,
actuate
the
elevator
trim switch
with
the disen-
gage
switch in
ttre disengage
position.
Observe
that
the
manual
trim wheel
and indicator
do not
..
rotate
when
the elevator
him switch is
acfuated.
EIYlERGENCY
OPERATION
Electric
Elevator
Trim
System Failure:
(1)
Elevator
Trim
Disengage Switch
- DISENGAGE.
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