Piper Cherokee Six - Page 423

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
had
just
opened
and
check
to make
cer-
taintiming
marks
alignwithin
tolerance
indicatedabove.
Tightenblock
securing
A
studs,
first
to
4-8
inch
pounds
torque
and
then
final
torque
to
20 inch
pounds.
4.
Insert
the
tip
of
your
small
finger
through
timing
hole
in
housing
and
against
large
distributor
gear
teeth.
Rock
distributor
gear
back
and
forth
slightly.
There
must
be
perceptible
backlash
between
teeth
of
large
and
small
gears.
This
check
should
be
made
at
three
different
points,
120
°
apart
on
gear.
If
backlash
is
not
evi-
dent,
replace
large
distributor
gear.
5.
Install
the breaker
cover
and
complete
reassembly
of
the
magneto.
Refer to
the manufacturer's
publica-
tions
for
complete
disassembly
and
re-
assembly
procedures.
e.
On
the magneto
employing
the
im-
Figure
7A-12.
Checking
Flyweight
pulse
coupling,
check
clearance
be-
Clearance
of
Impulse
Coupling
tween
each
flyweight
and
each
stop
pin
as follows:
1.
Bend
theend
of astiff
piece
of
wire
into
a rightangle
1/8
inchlong(max-
imum).
2.
Hold
magneto
as shown
in Figure
7A-12.
Pull
heel
of flyweight
outward
with
the
hooked
wire
and
make
certain
that feeler
gauge
of
0.010
inch
minimum
thickness
will
pass
between
stop
pin
and the
highest
point
of the
flyweight.
NOTE
A
true
and
accurate
check
of
the
clearance
between
flyweight
and
stop
pin
can only
be
obtained
by
pulling
the flyweight
outward
as described
above.
Do not
at-
tempt
the
check
by pushing
in on
flyweight
at
point
"A".
f.
Install
and
time
magneto,
removed
from
engine,
in accordance
with
para-
graph
7A-30.
g.
Secure
external
switch
leads
to
the
breaker
cover
terminals.
Connect
har-
ness
assembly
to
the magneto.
POWER
PLANT
Issued:
8/17/72
2H3