Maintenance - Black+Decker LD12 Manual

position of the control button, be sure the trigger is
released.
Variable speed trigger switch (Fig. A)
To turn the tool on, squeeze the trigger switch (1). To
turn the tool off, release the trigger switch. Your tool is
equipped with a brake. The chuck will stop when the
trigger switch is fully released.
The variable speed switch enables you to select the best
speed for a particular application. The further you squeeze
the trigger, the faster the tool will operate. For maximum tool
life, use variable speed only for starting holes or fasteners
NOTE: Continuous use in variable speed range is not
recommended. It may damage the switch and should be
avoided.
Keyless single sleeve chuck (Fig. D)
Your tool features a keyless chuck with one rotating sleeve
for one-handed operation of the chuck. To insert a drill bit
or other accessory, follow these steps.
1. Lock the trigger in the OFF position as previously described.
2. Grasp the black sleeve of the chuck with one hand
and use the other hand to secure the tool. Rotate the
sleeve counterclockwise far enough to accept the
desired accessory.
3. Insert the accessory into the chuck and tighten
securely by rotating the chuck sleeve clockwise with
one hand while holding the tool with the other.
Your tool is equipped with an automatic spindle lock
mechanism. This allows you to open and close the chuck
with one hand.
To release the accessory, repeat step 2 above.
Warning! Do not attempt to tighten drill bits (or
any other accessory) by gripping the front part of
the chuck and turning the tool on. Damage to the
chuck and personal injury may result. Always lock
off trigger switch when changing accessories.
Be sure to tighten chuck with one hand on the chuck sleeve
and one hand holding the tool for maximum tightness.
SCREWDRIVING
For driving fasteners, the reversing button should be
pushed to the left. Use reverse (button pushed to the right)
for removing fasteners. When moving from forward to
reverse, or vice versa, always release the trigger switch first.
DRILLING
f Use sharp drill bits only.
f Support and secure work properly, as instructed in the
"Safety Instructions".
f Use appropriate and required safety equipment, as
instructed in the "Safety Instructions".
f Secure and maintain work area, as instructed in the
"Safety Instructions".
f Run the drill very slowly, using light pressure, until
the hole is started enough to keep the drill bit from
slipping out of it.
f Apply pressure in a straight line with the bit. Use
enough pressure to keep the bit biting but not so
much as to stall the motor or deflect the bit.
f Hold the drill firmly with two hands to control its
twisting action.
f Do not click the trigger of a stalled drill off and
on in an attempt to start it. Damage to the drill
can result.
f Minimize stalling on breakthrough by reducing
pressure and slowly drilling through the last part
of the hole.
f Keep the motor running while pulling the bit out of
a drilled hole. This will help reduce jamming.
f Make sure switch turns drill on and off.
Drilling in wood
Holes in wood can be made with the same twist drill bits
used for metal or with spade bits. These bits should be
sharp and should be pulled out frequently when drilling to
clear chips from the flutes.
Drilling in metal
Use a cutting lubricant when drilling metals. The exceptions are
cast iron and brass which should be drilled dry. The cutting
lubricants that work best are sulfurized cutting oil or lard oil.
Cell indicator
When press the main trigger (1), the cell capacity indicator
turn on at the same to show the cell capacity status.

MAINTENANCE

Your BLACK+DECKER 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. Your charger does not
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