Merc-O-Tronics 98 - SPARK TEST; Spark Test Procedure

SPARK
TEST
"''*
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./
SINGLE RED TEST LEAD
ROBE
TEST
LEAD
Figure
20
With the selector
switch
in
"OFF"
position,
disconnect
the high
tension
lead from
the
spark
plug
and
clip
single
red
test lead
to
spark
plug
lead.
Place test
probe
into
red
jack
and attach
opposite
end
to
cylinder
block
to
form
ground. Crank engine
over and
view
spark
jump
through
tester's
small window.
If no spark,
indications
are
that some
part
of
the magneto
is defective
or
lead wire
is broken.
Repeat
process
for each
spark
plug
Iead wire.
NOTE: IF SELECTOR
SWITCH
IS
IN
ANY
OTHER
POSITION'
DAMAGE
TO
METER
WILL
RESULT.
STARTER
SOLENOID
TEST
SMALL
RED
LEAD
POSTTIVE
+
BATTERY
LEAI)
SMALL
BLACK
LEAD
_
NEGATIVE
BATTERY
3.
4.
b.
6.
Figure
2l
1.
T\rrn
selector
switch
to
position
No.
3, "Coil
Continuity"'
i.
Connect
small
red tesf
lead to
one
large terminal
of solenoid,
as
shown
in illustration
above.
Connect
small
black test
lead to
other
Iarge
terminal
of solenoid.
with
a battery
of
the capacity
of
the solenoid
(6
or
12
volts),
place
two
jumper
leads on
battery
terminals.
Conriect
positive
Lead
to smatl
terminal
of
solenoid.
connect
negative
lead
to case
or
bracket
of solenoid
for
ground.
NOTE:
On
solenoids
with
two
small
terminals,
one
is
a
ground
and one
aJr
energized
terminal.
7.
Meter
pointer
hand
must
move
fully
to right
of
meter'
8. If
no
movement
or only
partial
movement
is
indicated,
the solenoid
is defective
and
must
be
rePlaced.
CAUTION:
DO
NOT CONNECT
BATTERY
LEADS
TO
LARGE
TER'
MINALS
OF
SOLENOID
OR
METER
WILL
BE
DAMAGED.
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