Harbor Freight Tools 66783 - Manual (Page 9)

Page 9 For technical questions, please call 1-800-444-3353. SKU 66783
preparing the Battery
If necessary, remove the battery 1.
from the vehicle to charge it. When
removing the battery, disconnect the
grounded battery cable first.
reminder: Turn off vehicle’s engine
before removing, replacing, or
charging a battery.
If necessary, add distilled water to the
2.
battery cells before charging. Read
and follow the battery manufacturer’s
instruction manual. Never add water
to a battery while attached to a
charger, or in close proximity to the
charger. Do not overfill.
Clean battery terminals. 3.
Check the battery manufacturer’s 4.
instructions on whether or not to have
the cell caps on when charging. If not
stated, leave the cell caps on.
Charging Batteries
Caution: do not overcharge maintenance-
free batteries.
Place the Battery Charger and 1.
battery in a well-ventilated area.
Determine the voltage of the battery
2.
from the battery labels.
Push the Select Setting switch to the
3.
desired battery voltage and mode.
If charging a battery while in a
4.
vehicle, leave the hood open and do
not leave the charger unattended.
Separate the charger and battery as
much as possible.
With the Battery Charger unplugged,
5.
connect the positive (red) Cable
Clamp (2) to the positive terminal
of the battery. If charging a battery
mounted in a vehicle, first remove the
vehicle’s red cable from the battery;
otherwise damage may occur to the
vehicle’s electrical system. If in doubt,
refer to the vehicle’s service manual.
Connect the negative (black) Cable
6.
Clamp (2) to the negative terminal of
the battery.
Plug the Power Cord (3) into the
7.
electrical outlet.
note: If the Red Reverse Connection
LED is lit, the cables are connected
to the wrong battery terminals. If this
happens, immediately unplug the
charger and switch the connections.
For a quick charge assist to enable
8.
starting the engine, charge for 5 to 10
minutes.
Warning! do not leave a battery
unattended while charging.
For a full charge, leave the Battery
9.
Charger running. See below for a
description of the charge modes.
12 V / 10 a Or 12 V / 2 a mOde: A.
When the battery is fully
charged, the Battery Charger will
automatically go to standby and the
green LED will remain lit.
6 V / 10 a mOde:
B.
The Battery Charger will supply
current to the battery at a constant
rate. To prevent damage to
the battery, it must be promptly
disconnected when charging is
complete.
note: Do not leave Battery Charger on for
long duration without checking the
distilled water level of the battery; do
not allow distilled water to boil off.
reV 09g; 09h