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Maintenance - Black & Decker MT143 Manual

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Note: It may take as long as 60 minutes to determine that
the battery is defective. If the battery is too hot or too
cold, the LED will alternately blink red, fast and slow, one
flash at each speed and repeat.
Selecting the direction of rotation (fig. D)
For drilling and tightening screws, use forward (clockwise)
rotation. For loosening screws or removing a jammed drill bit,
use reverse (counterclockwise) rotation.
To select forward rotation, push the forward/reverse slider
u
(2) to the left.
To select reverse rotation, push the forward/reverse slider
u
to the right.
To lock the tool, set the forward/reverse slider into the
u
centre position.
Selecting the torque or drill position (fig. E)
This tool is fitted with a collar to set the torque for tightening
screws.
For drilling, set the collar (8) to the drilling position by
u
aligning the symbol with the marking (13).
For screwdriving, set the collar to the desired setting.
u
If you do not yet know the appropriate setting, proceed as
u
follows:
Set the collar (8) to position 1.
t
Tighten the first screw.
t
If the clutch ratchets before the desired result is
t
achieved, increase the collar setting and continue
tightening the screw. Repeat until you reach the correct
setting.
Drilling/screwdriving
Select forward or reverse rotation using the forward/re-
u
verse slider (2).
To switch the tool on, press the variable speed switch (1).
u
The tool speed depends on how far you press the switch.
To switch the tool off, release the variable speed switch.
u
Speed selector (fig. F)
For drilling in steel and for screwdriving applications, slide
u
the speed selector (10) towards the rear of the tool (1st
gear).
For drilling in materials other than steel, slide the speed
u
selector (10) towards the front of the tool (2nd gear).
Drilling in masonry (fig. E & F)
For drilling in masonry, set the torque adjustment collar (8)
u
to the hammer drilling position by aligning the symbol
with the marking (13) (fig. E).
Slide the speed selector (10) towards the front of the tool
u
(2nd gear) (fig. F).
Note: For other torque adjustment collar settings and features,
refer to the manual provided with your power tool.
(Original instructions)
Hints for optimum use
Drilling
Always apply a light pressure in a straight line with the drill
u
bit.
Just before the drill tip breaks through the other side of the
u
workpiece, decrease pressure on the tool.
Use a block of wood to back up workpieces that may
u
splinter.
Use spade bits when drilling large diameter holes in wood.
u
Use HSS drill bits when drilling in metal.
u
Use masonry bits when drilling in soft masonry.
u
Use a lubricant when drilling metals other than cast iron
u
and brass.
Make an indentation using a centre punch at the centre of
u
the hole to be drilled in order to improve accuracy.
Screwdriving
Always use the correct type and size of screwdriver bit.
u
If screws are difficult to tighten, try applying a small
u
amount of washing liquid or soap as a lubricant.
Always hold the tool and screwdriver bit in a straight line
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with the screw.
Accessories
The performance of your tool depends on the accessory used.
Black & Decker and Piranha accessories are engineered to
high quality standards and designed to enhance the perform-
ance of your tool. By using these accessories you will get the
very best from your tool.

Maintenance

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 maintenance on corded/
cordless power tools:
Switch off and unplug the appliance/tool.
u
Or switch off and remove the battery from the appliance/
u
tool if the appliance/tool has a separate battery pack.
Or run the battery down completely if it is integral and then
u
switch off.
Unplug the charger before cleaning it. Your charger does
u
not require any maintenance apart from regular cleaning.
Regularly clean the ventilation slots in your appliance/tool/
u
charger using a soft brush or dry cloth.
Regularly clean the motor housing using a damp cloth. Do
u
not use any abrasive or solvent-based cleaner.
Regularly open the chuck and tap it to remove any dust
u
from the interior (when fitted).
ENGLISH
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