Textron Cessna 172R - Capacity of Engine Sump; Oil and Oil Filter Change

CESSNA
MODEL
172R
SECTION
8
HANDLING,
SERVICE
&
MAINTENANCE
CAPACITY OF ENGINE
SUMP
The
engine
lubrication
system
has
a
total
capacity
of
9
quarts
of
oil,
with the oil
filter
accounting
for
1
quart
of
that
total.
The
engine
oil
sump
(crankcase)
has
a
capacity
of
8
quarts.
The
engine
must
not
be
operated
with
less
than
5
quarts
in
the
sump.
For
extended
flights,
the
engine
oil
level
should be
at
8
quarts.
OIL
AND
OIL
FILTER
CHANGE
After
the
first
25
hours
of
operation,
drain
the
engine
oil
sump
and
replace
the
filter. Refill
sump
with
straight
mineral oil
and
use
until
a
total
of
50
hours
has
accumulated
or
oil
consumption
has
stabilized;
then
change
to
ashless
dispersant
oil.
Ashless
dispersant
oil
(and
oil
filter)
should then
be
changed
at
time intervals
set
forth
by
the
engine
manufacturer.
NOTE
During
the
first
25
hour oil and
filter
change,
a
general
inspection
of
the overall
engine
compartment
is
required.
Items
which
are
not
normally
checked
during
a
preflight
inspection
should
be
given
special
attention.
Hoses,
metal
lines and
fittings
should be
inspected
for
signs
of
oil and
fuel
leaks,
and
checked
for
abrasions,
chafing,
security,
proper
routing
and
support,
and
evidence
of
deterioration.
Inspect
the intake
and
exhaust
systems
for
cracks,
evidence
of
leakage,
and
security
of
attachment.
Engine
controls
and
linkages
should be checked
for
freedom
of
movement
through
their
full
range,
security
of
attachment
and evidence
of
wear.
Inspect
wiring
for
security,
chafing,
burning,
defective
insulation,
loose
or
broken
terminals,
heat
deterioration,
and
corroded
terminals.
Check
the alternator
belt
in
accordance
with Maintenance
Manual
instructions,
and
retighten
if
necessary.
A
periodic
check
of
these
items
during
subsequent
servicing
operations
is recommended.
Revision
8
8-15
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