Cessna Skyhawk 172N 1980 Information Manual page 157

SECTION
8
HANDLING,
SER,VICE
& MAINTENANCE
SERVICING
8-
10
In
addition to the PREFLIGHT INSPECTION covered
in
Section
4,
COMPLETE
servicing, inspection,
and
test requirements
f
or
your airplane
are detailed in the Service Manual. The Service
Manual outlines all items
which require attention at specific intervals plus those items which
require servicing, inspection, and/or testing at special intervals.
Since
Cessna
Dealers conduct aII service, inspection,
and
test proce-
dures
in
accordance
with
applicable Service Manuals,
it
is
recommended
that you contact your
Cessna
Dealer concerning these
requirements
and
begin scheduling your airplane for service
at
the recommended
intervals.
Cessna
Progressive
Care
ensures that these
requirements
are
accomp-
Iished at
the
required intervals to comply with the
100-hour or
ANNUAL
inspection
as
previously
covered.
Depending
on various flight
operations,
your local
Government
Aviation Agency may require additional
service,
inspections, ortests. For
these
regulatory requirements, owners should
check
with local aviation
officials
where the airplane is being
operated.
For quick
and
ready reference, quantities, materials, and specifica-
tions for frequently
used
service items are
as
follows.
ENGINE
OIL
GRADE AND VISCOSITY FOR TEMPER,ATURE
RANGE ..
MIL-L-22851
Ashless Dispersant
Oil: The airpla,ne was
delivered from
the
factory with
SAE 20W-50
ashless
dispersant aircraft engine
oil.
Ashless dispersant aircraft
engine
oil must
be used
for all operat-
ing conditions.
NOTE
Use a
minimumof.?1Vo power for cruise during
the
first
50
hours of operation or
until oil
consumption stabilizes.
Service the engine
oil
system
with
aviation
ashless
dis-
persant oil
only.
SAE
20W-50
or SAE
15W-50
for all temperatures.
NOTE
If multi-viscosity
ashless
dispersant aircraft
engine
oil is
not available, the following ashless dispersant
aircraft
engine
oil may
be used.
SAE 50
above 60"F (16"C).
CESSNA
MODEL
172N
1
July
1979
Revision
1
-
15
November
1979