Schumacher ProSeries 00-99-000742 - Manual (Page 6)

5
NEGATIVE GROUNDED SYS-
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 electri-
cal connection is made. Then connect
the black (NEGATIVE) output clamp
to a heavy, unpainted metal part of the
chassis or engine block, away from the
battery (see figure). DO NOT connect
clamp to negative battery post, carbure-
tor, fuel line or sheet metal part.
Connecting to a positive-grounded
system: Connect the black (NEGA-
TIVE) output clamp to the NEGATIVE
post of the battery. Rock and twist the
clamp back and forth to be sure a solid
electrical connection is made. Then con-
nect the red (POSITIVE) 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, fuel
line or sheet metal part.
6. Plug power cord into a 120V AC wall
outlet. The charger will be set to the
default state of 12V REGULAR battery
type, no charge rate (tester mode). The
CONNECTED LED should be lit. If the
CONNECTED LED is not lit, check for
correct cable connections.
7. Press the appropriate control buttons
to select the desired charge rate and
battery type. Within a few seconds,
the CHARGING (yellow) LED should
light and the charging process should
start.
8. To disconnect the charger, unplug its
power cord before attempting to discon-
nect the output clamps. Then, standing
1. 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.
2. Attach at least a 24-inch-long, 6-gauge
(AWG), insulated battery cable to
NEGATIVE (NEG, N or -) battery post.
Rock and twist the clamp back and forth
to be sure a solid electrical connection
is made.
3. Connect the red (POSITIVE) output
clamp to the POSITIVE battery post.
Rock and twist the clamp back and forth
to be sure a solid electrical connection
is made.
4. Position yourself as far away from the
battery as possible, and then connect
the black (NEGATIVE) output clamp to
the free end of the cable.
5. Plug the power cord into a 120V AC
wall outlet. The charger will be set to the
default state of 12V REGULAR battery
type, no charge rate (tester mode). The
CONNECTED LED should be lit. If the
CONNECTED LED is not lit, check for
correct cable connections.
6. Press the appropriate control buttons
to select the desired charge rate and
battery type. Within a few seconds,
ChARGING BATTERY RE-
BAT-
POW-
TO
away from the battery, remove the out-
put 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.