Positive
(+)
Negative (-)

E. OPERATING INSTRUCTIONS: CHARGING BATTERY IN VEHICLE

NOTE: A marine (boat) boat battery must be removed and charged on shore. To charge it on board requires equipment specially de- signed for marine use.

When charging battery in the vehicle, take care to determine the battery type and which post is grounded. To reduce risk of a spark near battery, follow these steps when battery is installed in vehicle. WARNING: A spark near battery may cause battery explosion.

1.Arrange the power cord and charging cords carefully in order to avoid damage that could be caused by the hood, door, or moving engine parts.

2.Keep hands, hair, clothing and jewelry clear of the fan blades, belts, pulleys, and other parts that can cause injury.

3.Check the polarity of the battery posts using the identification marks on the battery case: POSITIVE (POS,P, +) and NEGATIVE (NEG,N, –).

4.Identify which post of the battery is grounded or connected to the chassis. The negative post is normally the one that is grounded.

5.To charge a negative grounded post system: Connect the red (POSITIVE) battery charger clamp to the ungrounded POSITIVE (POS,P,+) post of the battery. Then connect the black (NEGATIVE) clamp to a heavy metal part of the chassis or engine block, away from the

battery. Do not connect clamp to carburetor, fuel lines, or sheet metal parts.

To charge a positive grounded post system: Connect the black

(NEGATIVE) battery charger clamp to the NEGATIVE

(NEG,N,–) ungrounded post

of the battery. Then connect the red (POSITIVE) clamp to a heavy unpainted metal part of the chassis or engine block, away from the battery. Do not connect clamp to carburetor, fuel lines, or sheet metal parts.

IMPORTANT: Wear safety glasses and face away from the battery while making connections.

6.Twist or rock clamps back and forth to make a solid connection. This will help make better contact and help keep them from slipping off and causing sparks.

7.Plug the power cord into a 3-prong AC electrical wall outlet.

8.Press the SELECT SWITCH and the CHARGE RATE button to the desired charge position.

9.Press the timer to the desired charge time, from 5–135 minutes.

If more than 135 minutes of charging time is needed the HOLD position can be used. When using the HOLD feature the battery being charged must be monitored closely to avoid over charging.

10.When the battery is fully charged, unplug the charger power cord from the wall outlet.

11.Facing away from the battery, remove the charger clamps in this order: (1) from the vehicle chassis or engine block (2) from the battery post or terminal.

12.Clean and store the battery charger in a dry location.

F.OPERATING INSTRUCTIONS: CHARGING BATTERY OUT OF VEHICLE

When charging battery out of vehicle, take care to determine the battery type. To reduce risk of a spark near battery, follow these steps when battery is outside vehicle. WARNING: A spark near the battery may cause battery explosion. WARNING: When removing battery from vehicle or boat, disconnect grounded pole first. When disconnecting, make sure all accessories are off, so as not to cause an arc. (NOTE: A marine (boat) battery must be removed and charged on shore. (To charge on board requires special equipment designed for marine use.) WARNING: When reinstalling battery, attach the ground post first.

1.Remove battery from vehicle, making sure to disconnect grounded terminal first with all power turned off to the vehicle.

2.Check the polarity of the battery posts as indicated on the battery case: POSITIVE (POS,P,+) and NEGATIVE (NEG,N,–).

NOTE: On top-post batteries, the positive battery terminal usually has a larger diameter than the negative one.

3.Connect the red (POSITIVE) charger clamp to the POSITIVE post of the battery. Be sure to rock the clamp back and forth to make a solid connection.

4.Attach at least a 6-gauge (AWG) insulated battery cable of at least 24-inches in length to the NEGATIVE battery post. This cable will provide

a safer connection because any arcing and sparking will not occur directly over the battery. (The battery cable is not provided with the charger but may be purchased at most automotive accessory outlets.)

5.Take the other end of the 6-gauge (AWG) insulated battery cable (at least 24-inches in length), and, standing as far away from the battery as possible, connect the black (NEGATIVE) charger clamp to the free end of the cable. Be sure to rock the clamp back and forth to make a solid connection.

IMPORTANT: Wear safety glasses and face away from battery while you are making the final connection.

6.Plug the power cord into a grounded 3-prong AC electrical wall outlet.

7.Press the timer to the desired charge time, from 5-135 minutes. If more than 135 minutes of charging time is needed the hold position can be used. When using the HOLD feature the battery being charged must be monitored closely to avoid over-charging.

8.Press the SELECT VOLT/CHARGE RATE button to the desired charge position. (See “CHARGE RATE” chart on page 5 for correct settings.)

9.When the battery is fully charged, unplug the charger power cord from the wall outlet.

10.Face away from battery and remove the charger clamps from the

NEGATIVE end of the cable first, then from the POSITIVE post.

11.Clean and store the battery charger in a dry location.

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Schumacher SE-1555A owner manual Operating Instructions Charging Battery in Vehicle