PIPER
COMANCHE
SERVICE
MANUAL
A
070
LEFT
MAGNETO
STARnNG Vl8AATOR
i
COMBINAnON
STARTER
AND
IGNInON
SWlTO<
----:;i~;;;;ii5ii
•
BAnERY !
STARnNG MOTOR
I
SO<EMATIC WIRING DIAGRAM
IGNmON
sYSTEM·
RETARD BREAKER MAGNETO
SINGLE
ENGINE
FIGURE
7B·14.
IGNITION
SYSTEM
RETARD
BREAKER
MAGNETO
INSTALLATION
7B
...
i
Starting
Vibra..,r. (Refer
to
Figure
71.14
)
a. Disconnect
all
.park
plug le.ds from the left magneto.
at
'he
spark plugs
CAUTION
Be sure all left magneto spark plug leads are removed. thus
~reventing
cross-firing
of
the
magneto and
the
pOSSIbility
of
hazardous <onditlons.
b.
Rotate
engine crankshaft until number
one
cylinder
15
in
its
recud
firing poslcan.
L'sl11g
the
11-a51 Timing
light.
check
'0
sec that bo,h magneto
contact
....
mblies arc open.
c.
ElecmcaUy disconnect startcr from starter solenoid. If this
is
not
possible. remove battery terminal
from
starter switch or remove starter switch tcnnlnal from vibrator.
CAUTION
It
is
necessary
that
the
5uncr
be clccmc:al1:v removed from the clJ'cuir before
the
vtbrator
is
put
into operation to
eiimlnuc
possibiliry
of
startcr bemg energized
dunng
tne test
d.
Pla.cc
combination switch
in
Its
"LEFT"
?osition.
2
F20
POWER
PLANT
ISSUED:
8118172