Piper Cherokee Six - Page 413

7A-15a.
ADJUSTMENT
OF
THROTTLE
AND
MIXTURE
CONTROLS.
(Serial
Nos.
32-40566
and
up,
and
32R-7680001
and
up.)
(Refer
to
Figure
7A-4a.)
Throttle
and
mixture
controls
are
adjusted
so
that
when
the
throttle
arm
on
the
carburetor
is
rotated
forward
against
its
full
throttle
stop
and
the
mixture
control
is
rotated
forward
against
its
full
rich
stop,
the
cockpit
control
levers
of
the
throttle
and
mixture
should
have
0.010
to
0.030
of
an
inch
spring
back
on
instrument
panel
stop
when
in
full
throttle
or
full
rich
position.
a.
The
throttle
may
be
adjusted
as
follows:
1.
At
the
carburetor,
disconnect
the
clevis
end
of
the
throttle
control
cable
from
the
control
arm.
Loosen
the
jam
nut
that
secures
the
clevis
end.
2.
Adjust
the
linkage
by
rotating
the
clevis
end
on
the
cable
to
obtain
0.010
to
0.030
of
an
inch
spring
back
on
instrument
panel
stop
when
in
full
throttle
position.
3.
On
aircraft
equipped
with
air
conditioning
systems,
a
micro
switch
is
located
below
the
throttle
control
which
is
set
to
actuate
in
the
full
open
position.
With
the
throttle
control
adjusted
to
obtain
a
clearance
of
.010
to
.030,
adjust
the
micro
switch
to
actuate
at
this
point
also.
4.
Reconnect
the
clevis
end
to
the
control
arm
and
safety.
b.
The
mixture
may
be
adjusted
as
follows:
1.
At
the
carburetor,
disconnect
the
clevis
end
of
the
mixture
control
cable
from
the
control
arm.
Loosen
the
jam
nut
that
secures
the
clevis
end.
2.
Adjust
the
linkage
by
rotating
the
clevis
end
on
the
cable
to
obtain
0.010
to
0.030
of
an
inch
spring
back
on
the
instrument
panel
stop
when
in
full
rich
position.
3.
Reconnect
the
clevis
end
to
the
control
arm
and
safety.
c.
Check
security
of
cable
casing
attachments.
d.
Pull
the
throttle
and
mixture
levers
in
the
cockpit
full
aft
to
ascertain
that
the
idle
screw
contacts
its
stop
and
the
mixture
control
arm
contacts
its
lean
position.
On
1975
models
and
up,
a mixture
control
lock
is
incorporated
in
the
quadrant
cover
which
prevents
the
mixture
control
from
being
moved
to
the
idle
cutoff
position
inadvertently.
The
lock
must
be
depressed
before
the
control
can
be
moved
completely
aft.
Ascertain
that
the
lock
operates
freely
without
any
tendency
to
bind
or
hang
up.
NOTE
Throttle
and
mixture
free
play
of
up
to
.30
inches
measured
at
the
point
where
the
control
lever
comes
through
the
quadrant
is
acceptable
providing
the
throttle
or
mixture
arm
at
the
injector
is
held
against
its
stops
when
the
control
lever
is
at
the
full
forward
and
full
aft
positions.
7A-16.
INDUCTION
AIR
FILTER.
a.
The
filter
should
be
cleaned
daily
when
operating
in
dusty
conditions.
If
any
holes
or
tears
are
noticed,
the
filter
must
be
replaced
immediately.
b.
Remove
the
filter
element
and
shake
off
loose
dirt
by
rapping
on
a
hard
flat
surface,
being
careful
not
to
damage
or
crease
the
sealing
ends.
CAUTION
Never
wash
the
filter
element
in
any
liquid
or
soak
it
in
oil.
Never
attempt
to
blow
off
dirt
with
compressed
air.
c.
The
filter
housing
can
be
cleaned
by
wiping
with
a
clean
cloth
soaked
in
unleaded
gasoline.
When
the
housing
is
dry,
reinstall
and
seal
the
filter
element.
POWER
PLANT
Revised:
6/18/76
PIPER
CHEROKEE
SIX
SERVICE
MANUAL
2G17