E N G L I S H
After approx. 1 hour, it will stop blinking and remain
on. The battery pack is now fully charged and the
charger automatically switches to equalisation
mode. After approx. 4 hours, it will switch to
maintenance charge mode. The battery pack can be
removed at any time or left in the connected charger
indefinitely.
• The red charging indicator flashes rapidly to
indicate a charging problem. Reinsert the battery
pack or try a new one. If the new pack also
refuses to charge, have your charger tested by
an authorised D
WALT repair agent.
E
• When plugged into power sources such as
generators or sources that convert DC to AC, the
red charging indicator may blink twice, switch off
and repeat. This indicates a temporary problem
of the power source. The charger will
automatically switch back to normal operation.
Do not charge the battery pack at
ambient temperatures < 4 °C or > 40 °C.
Recommended charging temperature:
approx. 24 °C.
Inserting and removing the battery pack
• Insert the battery pack into the grip (8) until it
clicks in place.
• To remove the battery pack, press the two
release buttons (11) simultaneously and pull the
pack out of the grip (8).
Battery cap (fig. B)
A protective cap is supplied to cover the contacts of
a detached battery pack. Without the protective cap
in place, loose metal objects could short circuit the
contacts, causing a fire hazard and damaging the
battery pack.
• Take off the protective cap (14) before placing
the battery pack (10) in the charger or tool.
• Place the protective cap over the contacts
immediately after removing the battery pack from
the charger or tool.
Make sure the protective cap is in place
before storing or carrying a detached
battery pack.
28
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Equalisation mode
The equalisation mode helps to maintain the
optimum capacity of the battery pack. It is therefore
recommended to use the equalisation mode weekly
or every 10 charge/discharge cycles.
• Charge the battery pack as described above.
• When the charging indicator stops blinking, leave
DE9116 - Hot Pack Delay
When the charger detects a battery that is hot,
it automatically starts a Hot Pack Delay, suspending
charging until the battery has cooled. After the
battery has cooled, the charger automatically
switches to the pack charging mode. This feature
ensures maximum battery life. The red indicator (13)
blinks long, then short while in the Hot Pack Delay
mode.
Inserting and removing bits (fig. A & C)
• Open the chuck by turning the sleeve (15)
• Place the bit in the chuck as far as it will go and
• Tighten firmly by turning the sleeve clockwise.
• To remove the bit, proceed in reverse order.
Selecting the operating mode or adjusting the
torque (fig. D)
The collar of this tool has a wide range of positions
for the adjustment of the torque to suit the size of
the screw and the workpiece material. For torque
adjustment, refer to the section «Screwdriving».
• Select the drilling mode or torque by aligning the
DC981/DC984/DC988
The percussion drills can be used in the following
operating modes:
the battery in the charger for approx. 4 hours.
counterclockwise and insert the bit shank.
lift slightly before tightening.
symbol or number on the collar (4) with the
indicator (16) on the housing.
Rotary drilling:
for steel, wood and plastics
Percussion drilling:
for masonry