Cessna 152 - Page 177

PILOT'S
OPERATING
HANDBOOK
SUPPLEMENT
O-235-N2C
ENGINE
MODEL
152
INTRODUCTION
SECTION 8
AIRPLANE HANDLING,
SERVICE
&
MAINTENANCE
Section
8
of
the
basic
handbook
applies,
in
general,
to
Model
152
airplanes
modified
with
an
O-235-N2C
engine.
The
additional
or
changed
information
which
describes
O-235-N2C
engine
modification
differences
is
presented
in
this
section.
SERVICING
OIL
OIL
SPECIFICATION --
MIL-L-6082
Aviation
Grade
Straight
Mineral
Oil:
Used
when
the
airplane
is
modified
with
an
O-235-N2C
engine
and
should
be
used
to
replenish
the
supply
during
the
first
25
hours.
This
oil
should
be
drained
after
the
first
25
hours
of
operation.
Refill
the
engine
and
con-
tinue
to
use
until
a
total
of
50
hours
has
accumulated
or
oil
consump-
tion
has
stabilized.
MIL-L-22851
Aviation
Grade
Ashless
Dispersant
Oil:
Oil
conforming
to
Avco
Lycoming
Service
Instruction
No.
1014,
and
all
revisions
and
supplements
thereto,
must
be
used
after
first
50
hours
or
oil
con-
sumption
has
stabilized.
RECOMMENDED
VISCOSITY
FOR
TEMPERATURE
RANGE
--
All
temperatures,
use
multi-viscosity
oil
or
Above
16°
C
(60°
F),
use
SAE
50
-1° C
(30°
F)
to
32°
C
(90°
F),
use
SAE
40
-18° C (0°
F)
to
21°
C
(70°
F),
use
SAE
30
NOTE
When
operating
temperatures
overlap,
use
the
lighter
grade
of
oil.
CAPACITY
OF
ENGINE
SUMP
-- 6
Quarts.
Do
not
operate
on
less
than
4
quarts.
To
minimiv.e
loss
of
oil
through
breather,
fill
to
5
quart
level
for
normal
flights
of
less
than
3
hours.
For
extended
flight,
fill
to
6
quarts.
These
quantities
refer
to
oil
dipstick
level
readings.
During
oil
and
oil
filter
changes,
one
ad.di-
1
July
1978
Revision
1 -
31
March
1983
23