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SECTION
II
THE PIPER
CHEROKEE
requtred
in
normal turns.
The
flaps
are
manually operated,
balanced
for light
oper-
ating forces
and
spriog
loaded
to turn
to
the
up
position-
A
past-center
lock
incorporated
in
the
actuating linkageholds
the
flap
when
it is
in
the
up
position so
that
it
may
be
used
as
a
step
on
the
rlght side.
The
flap
will
not
support
a
step load ex-
cept
when
in
the
full
up
position,
so
it
must be
completely
re-
tracted
when useda§ a
step,
The
flaps
have
threeextended po-
sitions, 10,
25 and 40
degrees.
FUEL SYSIEM
Fuel
is
stored
in
two twenty-five gallon
tanks whlch
are
secured
to
the leading
edge
structure of
each
wing by
screws
and
nut
plates. This
allows
easy
removal
for
service
or
in-
spection.
The
standard
quantity
of
fuel
is
36
gallons
for
the Cherokee
140.
Toobtain
the
standard
quantity
of
fuel,
fill
the tanks
tothe
bottom
of
the
filler
neck
indicator.
An
auxiliary electric
fuel
pump
lsprovided
for
use
in
case
of failure of
the engine
driven pump.
The
electric
pump
should
be
on
for all
take-offs
and landings.
The fuel strainer,
which
is
equipped
with
a
quick
drain,
is
located
on the
front
Iower
left
corner
of the
firewall.
This strainer
should
be
draln-
ed
regularly
to
check
for
rvater
or
sediment
accumulation.
To
drain
the
lines
from
the
tanks,
650630
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