Piper Cherokee Six - Page 412

A953
NEW
A/C
OLD
A/C
0.010
TO
0.030
STOP
Figure
7A-4a.
Adjustment
of Engine
Controls
7A-15.
ADJUSTMENT
OF
THROTTLE
AND
MIXTURE
CONTROLS.
(Serial
Nos.
32-40000
to
32-40565
inclusive.)
(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
arm
is rotated
forward
against
its
full
rich stop,
the
cockpit
control
knob
of
the
throttle
should
be 0.75
to
1.0 and
the
mixture
0.062
to 0.125
of an
inch
from
the cable
housing
face plate
on
the panel.
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
of
the cable
to
obtain
0.062
to
0.125
of
an inch
spring
back
when
the
control
is in
the forward
position.
3.
Reconnect
the
clevis
end
to
the
control
arm
and
safety.
b.
The
mixture
may
be adjusted
as follows:
1.
At the
carburetor,
loosen
the
swivel
fitting
that
connects
the
wire
of the
control
cable
to the
mixture
arm.
2.
Reposition
the fitting
on the
wire
to
obtain
the
0.062
to
0.125
of an
inch
spring
back
between
the
knob
and
plate
when
the
mixture
control
arm
is
against
its
stop.
3. Tighten
the swivel
fitting
and
safety.
The control
wire should
be
straightened
to
align
with
the control
cable casing
after
tightening
the swivel
fitting.
c.
Check security
of
cable casing
attachments.
d. Pull
throttle
and
mixture
knobs
in cockpit
full
aft to
ascertain
that
the idle
screw
contacts
its
stop and
the
mixture
control
arm contacts
its lean
position.
POWER
PLANT
Revised:
6/18/76
PIPER
CHEROKEE
SIX
SERVICE
MANUAL
2G16