Mooney M20B - Page 28

TROUBLESHOO’TI~U’G
(Continued)
TROU&I;E
CAUSE
REMEDY
High
oil
temperature.
See
"High
On
Temperature"
in
’’trouble"
column.
I)efective
Pressure
gage.
Replace
gage.
Stoppage
in oil
pump
Check
lir?e;cor
obstructions.
intake
passage.
Clean s~r=tion
strainer.
High
Oil
Temperature.
Insufficient
air
Check
air
inlet
and
outlet
for
cooling.
deformatidn
or
obstruction
Insufficient
oil
supply.
Fill oil
sump
to
prdper
level
Low
grade
of
oil.
Replace
with
oil
conforming
to
specifications.
Clogged
oil Lines
or
I
Remove
andcleanoilstrainers.
strainers.
Excessive
blow-by.
Usually
caused
by
worn or
stuck
rings.
Complete
overhaul
required.
.Failing
or
failed
Examine
sump
for metal
particle
Ef
bearing.
found,
overhaul
of
engi?e
is indicated.
Improper
engine
Check entire
engine.
operation.
Defective
Temperature Replace
gage.
gage
Excessive
oil
con-
Low
grade
of oil. Fill
tank
wi~h oil
conforming
sumption.
to
specifications
Failed
or
failing
Check
sump
for metal
particles
and,
bearings.
I
if
found,
overhaul
engine
Worn
piston rings.
Install
new
rings.
Incorrect
instailation
Install
new
rings.
of
piston
rings.
Cold
weather I
Cold oil Move’
aircraft into
a
hanger
difficulties.
I I Heat
oil
Inaccurate
pressure
Extreme
readings
up
to
approxi-
readings.
mately
100 do
not
necessarily
indi-
cate
malfunctioning.
Rotate
crankshaft
in counterclock-
Overpriming
wise
direction
with
throttle
"Full
Open"
and
ignition
switch
"Ofir’.
-Weak
Batterg
install
fully charged
battery.
-2e
OLDWILLWAYNE