Mooney M20J 1978, Pilot Operating Handbook

Page: 156 / 164

Tank a r e near each wing root forward of the
wheel wells. s m a l l plastic cup is supplied in the loose
obtaining fuel samples. T o a
fuel sample, i n s e r t the cup actuator prong i n t h e sump
r e c e p t a c l e and push t o opera the valve mo-
mentarily and d r a i n fuel the cup. water is in the
fuel, a distinct line separating the water f r o m between
the gasoline will be
through the transparent cup
wall. Water, being will settle t o the bottom
of the cup, while the colored fuel will r e m a i n on top.
Continue taking fuel samples until water is purged
f r o m the tank.
The fuel tank gascolator control
is
on the cabin floor
forward of the pilot's seat, To flush the gascolator
sump and the leading from the wing tanks t o
the s e l e c t o r t u r n the selector handle t o the
and pull t h e fuel drain control about five
seconds. Repeat t h e procedure for the
being s u r e the fuel drain ring is returned
to the closed position and that the drain
is
not
The
new been
and
tested
a t t h e factory. Operate new engine
at
power
limitations given Section
Before
every
engine level and replenish a s
Check engine level after engine has been stopped
enough f o r oil t o d r a i n back sump. The oil filler cap
a c c e s s door is located in the top cowling. Any lubricating
either straight mineral or must conform
with Specification No. t o be acceptable for
u s e in New or newly
should be operated on aviation grade straight mineral
during t h e f i r s t 25
of operation or until oil consump-
tion has stabilized. The a i r c r a f t
is
delivered from
with straight mineral of the correct viscosity,
The engine
is
equipped with an external oil filter and the
engine may extended t o
filter element is
A T INTERVALS. If a n engine
been on mineral