6.7.
OIL
PRESSURE
LIMITS
EXCEEDANCE
Low
OIL
PRESSURE
If
oil
pressure
is
under
the
lower
limit
I. Throttle Lever . . . . . . . . . . . . . . . REDUCE to minimum practical
2.
Mixture Lever
...
. . . . . . . . . . . . .. as required
3. OIL TEMP . . . . . . . . . . . . . . . . . . . . . CHECK within limits
4. OIL PRESS ...
......
.
......
.. CHECK
If
oil
pressure
does
not
increase
and
temperature
remains
within
limits
Monitor oil and cylinder head temperatures.
Land as soon as practicable.
If
oil
pressure
does not increase
and
temperature
exceeds limits
Reduce engine power to minimum required.
Land as soon as possible applying Forced landing procedure. (See Para
0)
Be prepared for engine failure and emergency landing.
If
oil
pressure
tends to
zero
(combined
with
vibration.
loss
of
oil,
unusual
metallic smoke
and
noise)
Apply Forced landing procedure. (See Para
0)
HIGH
OIL
PRESSURE
If
oil
pressure
exceeds
upper
limit
I. Throttle Lever . . . REDUCE
2. Mixture Lever .. . .. . . . . . . . . . .
...
as required
3. OIL PRESS ..
........
......
..... CHECK
If
oil
pressure
does not
decrease
4.
Land
as soon
as
possible applying Forced landing procedure. (See Para
0)
An excessive oil pressure value can be counteracted by de-
creasing propeller RPM.
2"d
Edition, Rev.11
Section
3 -
Emergency
procedures
POWERPLANT
EMERGENCIES
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