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When unpacking, check to make sure all the parts shown on the Parts List on page 14
are included. If any parts are missing or broken, please call Harbor Freight Tools at the
number shown on the cover of this manual as soon as possible.
SKU 91176 PAGE 10 REV 12/04 REV 11/05
2. Slide the Adapter into the slot on the top of the Battery Pack (14) until it clicks into
place. To remove the Adapter, press the release button on the Battery Pack (14) and
slide the Adapter (20) out. The Battery Pack (14) needs an initial charge of
approximately 5 hours. After the initial charge, recharge the unit for approximately 3
to 5 hours. Never charge the battery more than 5 hours. See FIGURES 1 and 3.
3. To check the power level on the Battery Pack (14), press the TEST button on the
Battery Pack (14). See FIGURE 2. Always after charging, use the TEST button to
make sure a fully lit green light is on, showing a fully charged battery. When pushing
the TEST button, if the lights are partially lit, that indicates a partial charge. When
fully lit, Red = low charge, Yellow = 1/2 charge, Green = Full Charge. Test the Battery
Pack periodically during operation and charge as needed.
Note: These lights show the approximate level of charge.
4. To load the Battery Pack (14) onto the Hammer Drill, just slide it along the bottom of
the Base (13/17) until it clicks into place. Press the release button to remove the
Battery Pack (14). See FIGURE 3.
UNPACKING
OPERATING INSTRUCTIONS
FIGURE 2
FIGURE 1
Green Yellow Red
FIGURE 3
Adapter (20)
Battery Pack (14)
State of
Charge LEDs
Close-up of
State of Charge LEDs
Base (13/17)
Battery
Pack (14)
NOTE: For additional information regarding the parts listed in the following pages, refer
to the
Assembly Diagram on page 15.
Battery Pack (14) and Adapter (20) Use
1. Plug the Adapter power cord into an outlet. When the Adapter (20) is plugged in, but
not connected to the battery, both lights should be lit (if this is not happening
exchange the adapter). When the battery is connected only the red light should be
lit. When the battery is fully charged the red light should go out and the green light
should come on. This may take up to 5 hours