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Important Charging Notes; Attaching The Auxiliary Handle - Black & Decker STC1820P Instruction Manual


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Bad Battery
The charger can detect a weak or damaged battery. The
red LED flashes in the pattern indicated on the label. If you
see this bad battery blink pattern, do not continue to charge
the battery. Return it to a service centre or a collection site
for recycling
Hot/Cold Pack Delay
When the charger detects a battery that is excessively
hot or excessively cold, it automatically starts a Hot/Cold
Pack delay, suspending charging until the battery has
normalised. After this happens, the charger automatically
switches to the Pack Charging mode. This feature ensures
maximum battery life. The red LED flashes in the pattern
indicated on the label when the Hot/Cold pack delay is
Leaving the battery in the charger
The charger and battery pack can be left connected with the
LED glowing indefinitely. The charger will keep the battery
pack fresh and fully charged.

Important charging notes

Longest life and best performance can be obtained if
the battery pack is charged when the air temperature is
between 65°F and 75°F (18°- 24°C). DO NOT charge the
battery pack in an air temperature below +40°F (+4.5°C),
or above +105°F (+40.5°C). This is important and will
prevent serious damage to the battery pack .
The charger and battery pack may become warm to touch
while charging. This is a normal condition, and does not
indicate a problem. To facilitate the cooling of the battery
pack after use, avoid placing the charger or battery pack
in a warm environment such as in a metal shed, or an
uninsulated trailer
If the battery pack does not charge properly:
Check current at receptacle by plugging in a lamp or
other appliance
Check to see if receptacle is connected to a light switch
which turns power off when you turn out the lights.
Move charger and battery pack to a location where the
surrounding air temperature is approximately 65°F
- 75°F (18°- 24°C).
If charging problems persist, take the appliance, battery
pack and charger to your local service center.
The battery pack should be recharged when it fails to
produce sufficient power on jobs which were easily done
previously. DO NOT CONTINUE to use under these
conditions. Follow the charging procedure. You may also
charge a partially used pack whenever you desire with no
adverse affect on the battery pack.
(Original instructions)
Foreign materials of a conductive nature such as, but
not limited to, steel wool, aluminium foil, or any buildup
of metallic particles should be kept away from charger
cavities. Always unplug the charger from the power supply
when there is no battery pack in the cavity. Unplug charger
before attempting to clean.
Do not freeze or immerse charger in water or any other
Warning! Shock hazard. Do not allow any liquid to get inside
charger. Never attempt to open the battery pack for any
If the plastic housing of the battery pack breaks or cracks,
return to a service center for recycling.
Installing and removing the battery pack from the
Warning! Make certain the lock-off button is not engaged to
prevent switch actuation before removing or installing battery.
To install battery pack
Insert battery (12) into appliance until an audible click is
heard (Figure B). Ensure battery pack is fully seated and fully
latched into position.
To remove battery pack
Depress the battery release button (13) as shown in Figure C
and pull battery pack out of appliance.
Warning! Before assembly, make sure that the tool is
switched off and the battery has been removed.
Assembly tools required (not supplied):
Phillips Screwdriver.
Fitting the guard
Warning! Remove the battery from the appliance before
attempting to attach the guard, edge guide or handle. Never
operate appliance without guard firmly in place. The guard
must always be on the appliance to protect the user.
Remove the screw from the guard.
Turn the trimmer upside down so that you are looking
down at the spool cap (14).
Turn the guard (10) upside down and slide it fully onto the
motor housing (15). Make sure the tabs (16) on the guard
engage the ribs (17) on the motor housing as shown.
Continue to slide the guard on until you hear it "snap" into
place. The locking tab (18) should snap into the housing
slot (19).
Using a phillips screwdriver, insert the guard screw and
tighten securely as shown in Figure E to complete the
guard assembly.
Once the guard is installed, remove the covering from the
line cut-off blade, located on the edge of the guard>
Warning! Never use the tool unless the guard is properly

Attaching the auxiliary handle

To attach the handle, press in on the buttons (20) on both
sides of the upper housing as shown in Figure F.

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