Schumacher SC-2500A, Owner'S Manual

Page: 6 / 16

6
OPERATING INSTRUCTIONS
IMPORTANT: Follow all safety instructions and precautions when charging your
battery. Wear complete eye protection and clothing protection. Charge your battery in
a well-ventilated area.
heavy, unpainted metal part of the
chassis or engine block, away from
the battery (see figure above). DO
NOT connect clamp to negative
battery post, carburetor, and fuel line
or sheet metal part.
Connecting to a positive-grounded
system:
Connect the black (NEGA-
TIVE) output clamp to the NEGA-
TIVE post of the battery. Rock and
twist the clamp back and forth to be
sure a solid electrical connection is
made. Then connect the red (POSI-
TIVE) output clamp to a heavy,
unpainted metal part of the chassis
or engine block, away from the
battery. DO NOT connect clamp to
positive battery post, carburetor, and
fuel line or sheet metal part.
6. Plug power cord into an AC outlet.
The charger will be set to the Tester
Mode for REGULAR battery type.
7. Press the appropriate control buttons
to select the desired charge rate and
battery type. The CHARGING
(yellow) LED should light and the
charging process should start. If the
CHECK (red) LED is on, check for
correct cable connections.
8. To disconnect the charger, unplug its
power cord before attempting to
disconnect the output clamps. Then,
standing away from the battery,
remove the output clamp from the
chassis or engine block. Finally,
remove the output clamp from the
battery post.
9. Clean and store the charger in a dry
location.
NEGATIVE GROUNDED SYSTEM
CHARGING BATTERY IN THE
VEHICLE:
1. Avoid personal injury by keeping
clear of fan blades, belts, pulleys and
other engine parts.
2. Avoid damaging the charger by
keeping the power cord and output
cords away from the hood, door or
moving engine parts.
3. Note the polarity of the battery posts
by checking the identification marks
on the battery: POSITIVE (POS, P or
+) and NEGATIVE (NEG, N or -). The
positive post is usually larger than
the negative post.
4. Identify which battery post is
grounded or connected to the
chassis. THIS IS NORMALLY THE
NEGATIVE POST.
5. Connecting to a negative-
grounded system:
Connect the red
(POSITIVE) output clamp to the
POSITIVE post of the battery. Rock
and twist the clamp back and forth to
be sure a solid electrical connection
is made. Then connect the black
(NEGATIVE) output clamp to a