Schumacher Automatic SP2 - Manual (Page 11)

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USiNG THE QUiCK-CONNECT CABLE CONNECTORS
There is a 2 amp, inline fuse in the cable assemblies to prevent
damage to the charger, if it is connected to a battery incorrectly. If the
charger does not charge the battery, check the fuse. If the fuse needs
replacing, only replace it with a fuse of the same size and rating.
NOTE: Never connect the clamp and ring terminal connectors
together for use in other applications, such as external battery or
other power source charging, or to extend the output cable length, as
reverse polarity and/or overcharge conditions will occur.
50 Amp Battery Clips
Connect the end of the charger output cable to the end of the 1.
50-amp battery clips cable.
Follow the steps in sections 6 and 7 to connect the output clips 2.
to the battery.
After a good electrical connection is made to the battery, plug 3.
the power cord into a grounded 120V AC electrical wall outlet.
Make sure to place the charger on a dry, non-flammable
surface, such as metal or concrete.
Permanent Ring Connectors
To permanently attach to a battery, loosen and remove each nut 1.
from the bolt at the battery terminals.
Connect the red POSITIVE connector ring to the POSITIVE 2.
(POS, P, +) battery terminal.
Connect the black NEGATIVE connector ring to the NEGATIVE 3.
(NEG, N, -) battery terminal.
Replace and tighten the nuts to secure. 4.
Connect the ring connector cable assembly to the charger. 5.
Take care to keep both wires and plug away from hot and
moving parts.
Plug the charger power cord into a grounded 120V AC 6.
electrical wall outlet. Make sure to place the charger on a dry,
non-flammable surface, such as metal or concrete.
Automatic Charging Mode
When an Automatic Charge is performed, the charger switches to the
Maintain Mode (see below) automatically after the battery is charged.