Full Product Manual
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carburetor, fuel lines, or sheet-metal body parts. Connect to heavy
gauge metal part of the frame or engine block.
6. For a positive-grounded vehicle, connect the negative (black) clamp
from the battery charger to the negative (NEG, N, –) ungrounded
post of battery. Connect positive (red) clamp to vehicle chassis or
engine block away from battery. Do not connect clip to carburetor,
fuel lines or sheet-metal body parts. Connect to a heavy gauge
metal part of the frame or engine block.
7. See operating instructions for length of charge information.
When disconnecting the charger, disconnect AC cord, remove clip from
vehicle chassis, and then remove clip from battery terminal.
CHARGING A BATTERY THAT HAS BEEN REMOVED FROM A
VEHICLE
WARNING – A spark near the battery may cause an explosion. To
reduce risk of a spark near the battery:
1. Check polarity of the battery posts. The positive post (marked
POS, P, +) usually has a larger diameter than the negative battery
post (marked NEG, N, –).
2. Attach a 24-inch (minimum length) AWG #6 insulated battery cable
to the negative battery post (marked NEG, N, –).
3. Connect the positive (red) clamp to the positive battery post (red
or marked POS, P, +).
4. Stand as far back from the battery as possible, and do not face
the battery when making final connection.
5. Carefully connect the negative (black) clamp to the free end of the
battery cable connected to the negative terminal.
NOTE: A marine (boat) battery must be removed and charged on
shore. To charge it on board requires equipment specifically designed
for marine use. This unit is NOT designed for such use.
When disconnecting the charger, always do so in reverse sequence
of connecting procedure and break first connection while as far away
from battery as practical.
Setting Up the Unit
Mounting the Battery Charger
This battery charger is designed so that it can be mounted on a flat
surface. The unit has four mounting brackets at the corners of the unit.
CAUTION – To reduce the risk of product damage:
• Ensure that all installation and operating instructions and safety
precautions are understood and carefully followed by anyone
mounting or using the battery charger. Follow the steps outlined in
the “Important Safety Instructions” section of this manual.
• Always disconnect the charger at AC power source and at battery
terminal before mounting the unit.
• When the battery charger is mounted, do not hang anything additional
on the battery charger or risk of breakage may occur.
Using the Hanging Hook
The hanging hook allows you to position the battery charger for
convenient, hands-free operation.
To deploy the hanging hook, simply lift the hook out of the hook slot
and gently snap it up into position.
To collapse, gently snap the hook back into the hook slot.
CAUTION – To reduce the risk of product damage:
• When the battery charger is hung by the hanging hook, do not shake
the charger or object that it is hanging from.
• Do not hang the charger from any electrical wires or anything that
it is not secure.
• Only use the hanging hook for hanging the charger. The hanging hook
is not intended to support additional weight. Do not hang anything
additional to the hanging hook or risk of breakage may occur.
Preparing to Charge
1. Determine voltage of battery to be maintained by referring to the
vehicle manual.
WARNING – To prevent damage to a battery or the battery
charger, please make sure you select the correct voltage setting
(6V or 12V) for the application.
2. Be sure the area around battery is well ventilated while the battery
is being charged.
3. Remove the battery completely from a boat/airplane or any confined
area before charging.
4. If it is necessary to remove battery from a vehicle to charge or to
clean terminals, always remove the grounded terminal from the
battery first. Make sure all accessories in the vehicle are turned
off, so as not to cause an electrical arc.
5. Clean the battery terminals, taking care to avoid getting corrosive
material in your eyes.
6. Add distilled water in each cell until battery acid reaches the
level specified by the battery manufacturer. This helps purge
excessive gas from cells. Do not overfill. For a battery without cell
caps (maintenance free), carefully follow manufacturer’s charging
instructions.
7. Study all battery manufacturer’s specific precautions, such
as removing or not removing cell caps while charging, and
recommended rates of charge.
CHARGER LOCATION
• Locate the charger as far away from the battery as cables permit.
• Never place the charger directly above the battery being charged;
gases from the battery will corrode and damage the charger.
• Never allow battery acid to drip on the charger when reading gravity
or filling the battery.
• Never operate the charger in a closed-in area or restrict ventilation
in any way.
• A marine (boat) battery must be removed and charged on shore.
To charge it on board requires equipment specifically designed for
marine use. This unit is NOT designed for such use.
CONNECTING THE CHARGER
CONNECTION PRECAUTIONS
• Connect and disconnect output clamps only after removing AC Power
Cord from electric outlet.
• Never allow the clamps to touch each other.
• Attach the clamps to the battery and chassis as indicated in the
appropriate section (“Charging a battery installed in a vehicle” or
“Charging a battery that has been removed from a vehicle”).
CHARGING A BATTERY INSTALLED IN A VEHICLE
WARNING – A spark near the battery may cause an explosion. To
reduce risk of a spark near the battery:
1. Position AC and clamp cords to reduce risk of damage by hood,
door, or moving engine part.
2. Stay clear of fan blades, belts, pulleys, and other parts that can
cause injury to persons.
3. Check polarity of the battery posts. The positive post (marked
POS, P, +) usually has a larger diameter than the negative battery
post (marked NEG, N, –).
4. Determine which post of battery is grounded (connected) to
the chassis. If negative post is grounded to chassis (as in most
vehicles), see 5. If positive post is grounded to the chassis, see 6.
5. For a negative-grounded vehicle, connect the positive (red) clamp
from the battery charger to the positive (POS, P, +) ungrounded
post of battery. Connect the negative (black) clamp to vehicle
chassis or engine block away from battery. Do not connect clip to
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