Piper Cherokee Six - Page 374

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
7-18.
ADJUSTMENT
OF THROTTLE
AND
MIXTURE
CONTROLS.
(Serial
Nos. 32-1
to
32-1110 inclusive.)
(Refer to Figure
7-4a.) 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.
THIS
SPACE
INTENTIONALLY
LEFT
BLANK
Revised: 7/28/75
POWER
PLANT
2F2