Black+Decker PS1820L1, Manual, Page: 9 / 108

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cold, the LED will alternately blink red, fast and slow, one
flash at each speed and repeat.
Switching on and off (fig. E)
For your safety, this tool is equipped with a double switching
system. This system prevents starting the tool inadvertently.
Switching on
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Push the lock-off button (2) backward using your thumb
and at the same time squeeze the on/off switch (1).
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Release the lock-off button (2).
Switching off
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Release the on/off switch (1).
Warning! Never attempt to lock a switch in the on position.
Pruning (fig. F)
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Make sure the tool is running at full speed before making
a cut.
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Hold the tool firmly in place to avoid possible bouncing or
sideways movement of the tool.
Guide the tool through the branch using light pressure.
When cutting heavy branches, where a partial cut may
splinter and damage the tree, proceed as follows:
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Make the first cut 15 cm from the tree trunk on the
underside of the limb. Use the top of the guide bar (6)
to make this cut.
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Cut one third through the diameter of the limb. Then cut
down from the top.
Cleaning, maintenance and storage
Your BLACK+DECKER corded/cordless appliance/tool has
been designed to operate over a long period of time with a
minimum of maintenance.
Continuous satisfactory operation depends upon proper tool
care and regular cleaning.
Warning! Before performing any maintencance on corded/
cordless power tools:
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Switch off and unplug the appliance/tool
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Or switch off and remove the battery from the appliance/
tool if the appliance/tool has a separate battery pack
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Or run the battery down completely if it is integral and then
switch off
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Unplug the charger before cleaning it. Your charger does
not require any maintenance apart from regular cleaning.
Regularly clean the ventilation slots in you appliance/tool/
charger using a soft brush or dry cloth.
Regularly clean the motor houseing using a damp cloth. Do
not use any abrasive or solvent-based cleaner.
Regularly open the chuck and tap it to remove any dust from
the interior (when fitted).
Charging the battery - Figure A
The battery needs to be charged before first use and whenev -
er it fails to produce sufficient power on jobs that were easily
done before. The battery may become warm while charging;
this is normal and does not indicate a problem.
Warning! Do not charge the battery at ambient temperatures
below 10 °C or above 40 °C. Recommended charging tem-
perature: approx. 24 °C.
Note: The charger will not charge a battery if the cell
temperature is below approximately 10 °C or above 40 °C.
The battery should be left in the charger and the charger
will begin to charge automatically when the cell tempera-
ture warms up or cools down.
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To charge the battery (11), remove it from the tool and
insert it into the charger (12). The battery will only fit into
the charger in one way. Do not force. Be sure that the
battery is fully seated in the charger.
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Plug in the charger and switch on at the mains.
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The charging indicator (24) will flash green continuously
(slowly).
The charge is complete when the charging indicator (24)
lights green continuously. The charger and the battery can
be left connected indefinitely with the LED illuminated. The
LED will change to flashing green (charging) state as the
charger occasionally tops off the battery charge. The charging
indicator (24) will be lit as long as the battery is connected to
the plugged-in charger.
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Charge discharged batteries within 1 week. Battery life will
be greatly diminished if stored in a discharged state.
Leaving the battery in the charger
The charger and battery pack can be left connected
indefinitely with the LED lit. The charger will keep the battery
pack fresh and fully charged.
Charger diagnostics
If the charger detects a weak or damaged battery, the
charging indicator (24) will flash red at a fast rate. Proceed
as follows:
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Re-insert the battery (11).
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If the charging indicator continues flashing red at a fast
rate, use a different battery to determine if the charging
process works properly.
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If the replaced battery charges correctly, the original
battery is defective and should be returned to a service
centre for recycling.
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If the new battery gives the same indication as the original
battery, take the charger to be tested at an authorised
service centre.
Note: It may take as long as 60 minutes to determine that
the battery is defective. If the battery is too hot or too