Cessna 182 1978 - Page 252

MODEL
182
& T182
SERIES
SERVICE
MANUAL
11-39.
TROUBLE
SHOOTING.
TROUBLE
PROBABLE
CAUSE
REMEDY
NO OIL PRESSURE.
No oil in sump.
Check with dipstick.
Fill sump
with proper grade
and
quantity
of
oil. Refer
to
Section
2.
Oil pressure
line broken,
Inspect
pressure
lines. Replace
disconnected
or pinched.
or
connect
lines as required.
Oil pump defective.
Remove
and inspect.
Examine
engine.
Metal particles
from
damaged
pump
may
have entered
engine
oil passages.
Defective
oil pressure
gage.
Check
with a known
good
gage.
If second
reading
is normal,
replace gage.
Oil congealed
in gage line.
Disconnect line
at engine and gage;
flush
with kerosene.
Pre-fill with
kerosene
and
install.
Relief valve defective.
Remove
and check for
dirty or de-
fective
parts.
Clean
and install;
replace valve
if defective.
LOW OIL PRESSURE.
Low oil
supply.
Check with dipstick.
Fill sump
with proper
grade and
quantity
of oil.
Refer to
Section 2.
Low viscosity
oil.
Drain
sump
and refill
with proper
grade
and quantity
of oil.
Oil pressure
relief
valve
spring
Remove
and
inspect spring.
weak
or broken.
Replace
weak
or broken
spring.
Defective
oil pump.
Check oil temperature
and
oil
level.
If temperature
is
higher
than
normal
and
oil
level
is
correct,
internal
failure is
evident.
Remove
and
inspect.
Examine engine.
Metal particles
from
damaged
pump may have
entered
oil
passages.
Secondary
result
of high oil
Observe
oil temperature
gage
for
temperature.
high indication.
Determine
and
correct
reason
for high
oil tem-
perature.
Dirty
oil screens.
Remove
and
clean
oil screens.
11-15