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Harbor Freight Tools Cen-Tech Owner's Manual & Safety Instructions page 9

Heavy duty 6/12 volt battery charger with engine start

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charging Battery Installed in Vehicle
A SpARK NEAR BATTERy MAy cAUSE BATTERy EXpLOSION.
TO REDUcE RISK OF A SpARK NEAR BATTERy FOLLOW THESE INSTRUcTIONS EXAcTLy.
TO pREVENT SERIOUS INJURy:
Wear ANSI-approved splash-resistant safety goggles and heavy-duty rubber work gloves
whenever connecting, disconnecting, or working near battery.
Battery acid can cause permanent blindness.
1. Position AC and DC cables 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 battery posts. POSITIVE
(POS, P, +) battery post usually has larger
diameter than NEGATIVE (NEG, N,–) post.
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 negative-grounded vehicle, connect
POSITIVE (RED) clip from battery charger to
POSITIVE (POS, P, +) ungrounded post of battery.
Connect NEGATIVE (BLACK) clip 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.
charging Battery Outside Vehicle
A SpARK NEAR BATTERy MAy cAUSE BATTERy EXpLOSION.
TO REDUcE RISK OF A SpARK NEAR BATTERy FOLLOW THESE INSTRUcTIONS EXAcTLy.
TO pREVENT SERIOUS INJURy:
Wear ANSI-approved splash-resistant safety goggles and heavy-duty rubber work gloves
whenever connecting, disconnecting, or working near battery.
Battery acid can cause permanent blindness.
1. Check polarity of battery posts. POSITIVE
(POS, P, +) battery post usually has a larger
diameter than NEGATIVE (NEG, N, –) post.
2. Attach at least a 24-inch-long 6-gauge
(AWG) insulated battery cable to
NEGATIVE (NEG, N, –) battery post.
3. Connect POSITIVE (RED) charger clip to
POSITIVE (POS, P, +) post of battery.
4. Position yourself and free end of cable as far away
from battery as possible – then connect NEGATIVE
(BLACK) charger clip to free end of cable.
Item 62292
For technical questions, please call 1-888-866-5797.
6. For positive-grounded vehicle, connect
NEGATIVE (BLACK) clip from battery charger
to NEGATIVE (NEG, N, –) ungrounded post of
battery. Connect POSITIVE (RED) clip 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. When disconnecting charger, turn switches to
off, disconnect AC cord, remove clip from vehicle
chassis, and then remove clip from battery terminal.
8. See Table B on page 8 for
length of charge information.
9. After use clean, then store the charger
indoors out of children's reach.
5. Do not face battery when making final connection.
6. When disconnecting charger, always do
so in reverse sequence of connecting
procedure and break first connection while
as far away from battery as practical.
7. See Table B on page 8 for
length of charge information.
8. After use clean, then store the charger
indoors out of children's reach.
Page 9

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