Harbor Freight Tools 93781 operating instructions Operation cont’d

Models: 93781

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Note: The monitoring voltage of the Battery Charger is 10.5V; if the voltage is below 10.5V, the Battery Charger will not work. A battery must be properly connected to the charger to allow it to work. For best results, the capacity of the battery should be below 24 Ah.

Operation (cont’d)

1.Place the Battery Charger on a stable, flat surface.

2.Connect the Red Charging Clamp (15) to the positive (+) terminal of the battery (if the Negative [–] post is grounded to the chassis, as in most vehicles) -refer to specific guidelines on page 9.

3.Connect the Black Charging Clamp (15) to the appropriate site, depending on the specific usage as outlined on page 9.

4.Plug the Input Power Cord (14) into the nearest 115V, grounded, electrical outlet. The Charging Indication Light (B) will go on when the battery is charging-see below.

5.If the Reverse Polarity Indication Light (A) goes on, it indicates that an incorrect hookup has occurred/connections are reversed (refer to the clamping instructions on page 9)- see below.

The green Full Charge Indication Light (C) signals that the battery is fully charged. The Battery Charger will put out a trickle charge to maintain the existing charge on the battery -see below.

3

4

5

Reverse

 

Full Charge

Polarity

 

 

Indication

(3)

Charging Indication

Light (5)

 

 

Light (4)

 

6.Leave the Automatic Battery Charger plugged in to the nearest outlet and attached to the battery until the battery is to be used. Then unplug and remove the Battery Charger.

7.Disconnect the Charging Clamps (15) in the following order: Remove the Charging Clamp (15) from the chassis, then remove the DC output clamp from the battery. (Refer to guidelines on page 9.)

8.The Battery Charger has two Storage Posts (7) on the side opposite the LED lights. Wrap all cords around the two Posts (7).

SKU 93781

For technical questions please call 1-800-444-3353.

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Harbor Freight Tools 93781 operating instructions Operation cont’d