Piper Comanche PA-24 Service Manual page 550

PIPER COMANCHE SERVICE MANUAL
A 070
LEFT MAGNETO
STARnNG Vl8AATOR
i
COMBINAnON STARTER AND IGNInON SWlTO<
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•
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