Piper Cherokee Six - Page 408

PIPER CHEROKEE SIX SERVICE MANUAL
7A-12. ENGINE.
7A-13. REMOVAL
OF
ENGINE.
a.
Turn off
all electrical
switches
in the cockpit
and
then disconnect
the battery
ground wire at the battery.
b.
Ascertain
that
the fuel
selector
lever
is in
the "OFF"
position.
c.
Remove
the
engine
cowling
by the
following
procedure:
1.
Release
the cowl
fasteners,
two
on each
side and
two at the
top aft
of the cowl.
2. Lift
the aft end
of the cowl
and then
slide it forward
to release
the two
stud
type front
fasteners.
Remove
the
top cowl.
3. Disconnect
the landing
light
lead at the
quick
disconnect
at the
right rear
side of
the bottom cowl.
4. On
PA-32R-300 aircraft
remove the
induction air filter
access door,
the filter
and
four bolts
which hold
the air box
to the
cowl.
5. Remove
the
screws
securing
the bottom
cowl
at its aft
end and
fuselage
firewall
flange.
6. On
PA-32R-300
aircraft,
remove
screws
which
support
bottom
cowl to
the nose
gear
doors support
brackets
and fuselage
firewall
flange.
7.
Push nose
gear
doors inward
against
spring
pressure
and
remove bottom
cowl.
d.
Remove
the
propeller.
(Refer
to Paragraph
7A-4.)
e.
Disconnect
the
starter positive
and
ground
leads at
the injector.
(The
injector
may
be removed
if
desired.)
f.
Disconnect
the
governor
control cable
at the
governor
and cable
attachment
clamps.
g.
Disconnect
the heater
hose
at the muffler.
h.
Disconnect
the throttle
and mixture
cables at
the injector.
(The injector
may be
removed if desired.)
i. On
PA-32-300
fixed
gear aircraft
remove
the
air filter
box by
removing
the bolts
that
secure the
box to
its attachment
clamps.
The
cover
may remain
attached
to the
alternate
air door control
cable.
j. Disconnect
the
fuel pump
supply
line at
the left
side of the
pump.
Disconnect
the
pump
vent
line.
NOTE
Where
a question
may arise
as where to
reconnect a hose,
line
or wire:
the
item at
the separation
should
be identified
(tagged)
to
facilitate
reinstallation.
Open
fuel,
oil, vacuum
lines
and
fittings
should
be
covered
to
prevent
contamination.
k. Disconnect
both lines
from each
oil cooler at
the coolers.
1. Disconnect
the magneto
"P" leads
at the
magnetos.
m. Disconnect
the engine
vent
tube
at the
engine.
n.
Disconnect
the engine
oil
temperature
lead
at the
aft end
of the
engine.
o. Disconnect
the tachometer
drive
cable at
the engine.
p.
Untie
the ignition
harness
hoses and
lines
at the
aft of
the engine.
q. Disconnect
the vacuum
pump
lines
at pump
and remove
fittings
from
pump.
POWER
PLANT
Revised: 7/28/75
2G12