Cessna 152 - Page 163

PILOT'S
OPERATING
HANDBOOK
SUPPLEMENT
O-235-N2C
ENGINE
MODEL
152
INTRODUCTION
SECTION 4
NORMAL PROCEDURES
Checklist
and
amplified
procedures
contained
in
the
basic
handbook
generally
should
be
followed.
The
additional
or
changed
procedures
specif-
ically
required
for
operation
when
the
Model
152
is
modified
with
an
O-
235-N2C
engine
are
presented
in
this
section.
CHECKLIST PROCEDURES
ENROUTE
CLIMB
1.
Airspeed
--
70-80
KIAS.
NOTE
If
a
maximum
performance
climb
is
necessary,
use
speeds
shown
in
the
Rate
Of
Climb
chart
in
Section
5
of
the
basic
handbook.
2.
Throttle
--
FULL
OPEN.
3.
Mixture
--
RICH
below
3000
feet,
LEAN
for
maximum
RPM
above
3000
feet
(after
a
total
of
50
hours
has
accumulated).
CRUISE
1.
Power
--
1900-2550
RPM.
2.
Elevator
Trim
--
ADJUST.
3.
Mixture
--
LEAN.
AMPLIFIED PROCEDURES
ENROUTE
CLIMB
Normal
climbs
are
performed
with
flaps
up
and
full
throttle
and
at
speeds
5
to
10
knots
higher
than
best
rate-of-climb
speeds
for
the
best
com-
bination
of
performance,
visibility
and
engine
cooling.
The
mixture
should
be
full
rich
below
3000
feet
and
may
be
leaned
above
3000
feet
for
smoother
operation
or
to
obtain
maximum
RPM.
NOTE
Leaning
is
not
recommended
until
a
total
of
50
hours
has
accumulated.
1
July
1978
Revision
1 -
31
March
1983
9