THREE CYLINDER IGNITION (Con't.)
6.
Other Precautions
6.1
Measuring
of
Characteristics
of
the Ignition System
When
measuring characteristics
of
the ignition system
by
using a motor, there would
not
be
any troubles
if
the
generator runs in
regular direction
and
each
connected
portion
is
normal. However,
to
measure the spark
output
in inverse revolution,
be
sure
not
to
raise
its
speed
over
500
RPM.
Since this
unit
has
applied a circuit which dis-
solves
only
ignition signals in inverse revolution
not
to
supply spark in such occasion,
it
may
cause
charging vol-
tage
of
primary condenser
too
high value
at
high
speed
operation.
When
spark lengths are measured
by
three
needle
gap,
set
the
gap
length 1 mm except
to
use
testing
coils.
NOTES
60
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