Merc-O-Tronics 98 - Coil Surface Insulation Test

COIL
SURFACE INSULATION
TEST
CA
R DBOAR
D
Figure
8
1.
Remove
single red test
lead from
coil secondary,
(High
Tension
lead)
see illustration
Fig.
8.
2.
Small
red and
black test
ieads
stay connected
as
previously.
3.
PIug
insulation
test
prob
into
"JACK"
on
front.of
tester.
4.
T\rrn selector switch
to
position
No. 1.
5.
T\rrn
current control
knob
to
"Hf"
position
for
maximum current
reading
on
meter.
"Do
not exceed
meter
reading."
6.
Pass end
of
insulation
test
probe
over
the
insulating
surface
of
the
coil
and
spark
plug
wires.
7.
If
coil insulation
is cracked, leaking
or
damaged, a
spark
discharge
will
be noted
at
the cracked
or
leaking
surface.
8.
Do not
permit
test
probe
to
linger
too
long at any
point
while
con-
ducting this test.
9.
Completing
test
as
rapidly as
possible,
as this
is
a severe test
on
a
coil.
A
faint
spark
occurring around
coil
insulationduringprobing
is
a
corona
spark and
does not illustrate
a
defective
coil.
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PATENT
PENDING
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