Piper Cherokee Six - Cleaning Fuel System; 2 J8; Electric Fuel Pump; Installation of Fuel Selector and Filter Valve

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
8-22.
INSTALLATION
OF
FUEL
SELECTOR
AND
FILTER
VALVE.
a.
Position
the valve
inside
the
airplane
just
aft
of the
main
spar.
b.
Secure
the
valve
with
machine
screws,
washers
and
self-locking
nuts.
c.
Connect
the
fuel
lines.
d. Connect
fuel
selector
valve
linkage
to insure
that
selector
handle
engages
the
left
indent
position
when
it
is against
the safety
stop
on the
console
cover.
e.
Fill
the
fuel
tanks
and
check
all
connections
for
leaks.
f.
Install
the
rear
seat
and
fuel
drain
placard
cover.
g.
Install
the
access
plate
to
the
bottom
of
the
fuselage
with
attaching
screws.
NOTE
When
installing
the
fuel
selector
valve,
it is
recommended
the
complete
fuel
system
and
tanks
be
drained
and
flushed
to
ascertain
no
contamination
is present.
(Refer
to Paragraph
8-23.)
8-23.
CLEANING
FUEL
SYSTEM.
a. Remove
all fuel
from
tanks.
The
fuel
should
be drained
through
a chamois
or other
straining
equipment
to inspect
for
the presence
of foreign
matter.
b.
Each
tank
should
be
flushed
by
opening
the
tank
drain
and
adding
two-three
gallons
of
clean
fuel.
While
the fuel
is draining,
the aircraft
wing
should
be raised
and
lowered
to
allow the
fuel
to rinse
any
contamination
still remaining
in the
tank
out the
drain.
c. After
the
valve
is installed
and the
aircraft
refueled,
the fuel
inlet
line
to the
injector
or carburetor
should
be disconnected
and with
boost
pump
on,
lines should
be flushed
while
selector
is moved
from one
tank
to another.
d.
Make
proper
logbook
entry.
8-24.
ELECTRIC
FUEL
PUMP.
8-25.
REMOVAL
AND
INSTALLATION
OF ELECTRIC
FUEL
PUMP.
The
PA-32-260
is
equipped
with
two
electric
pulsate
type
fuel
pumps
in models
bearing
serial
numbers
32-1
to
32-375
and
one
pulsate
pump
in models
bearing
serial
numbers
32-376
and
up.
These
pumps
are
alike
in
construction
as shown
in
Figure
8-7.
The
PA-32-300
and
PA-32R-300
are
equipped
with
one rotary
vane
type
pump.
All pumps
may
be removed
by
the following
procedure:
a.
Turn
the
fuel
selector
tothe
off
position.
b.
Remove
the
floor
panel
that
is
located
directly
aft of
the
main
spar
by removing
the
center
seats,
seat
belt
attachments
and
the
screws
that
secure
the
panel.
Lift
the
panel
and
remove
it
from
the airplane.
c.
On PA-32-260
remove
the
pump
cover
located
in the
left
side
of the
floor
opening.
d.
Disconnect
the
electrical
lead
from
the
pump.
e. Disconnect
the
inlet
and
outlet
lines
from
the pump.
f.
Remove
the
pump
by
removing
the pump
attachment
bolts.
g.
Reinstall
the
fuel
pump
in
reverse
of
removal
instructions.
FUEL
SYSTEM
Revised:
6/18/76
2J8