Operation; Overload Clutch - DeWalt D25012 Original Instructions Manual

EN GLI SH
2. Insert the connected chuck and adapter in the
tool as though it were a standard SDS Plus
3. To remove the chuck, proceed as for removing
a standard SDS Plus ® bit.
WARNING: Never use standard chucks
in the hammer drilling mode.
Consult your dealer for further information on the
appropriate accessories.
Depth Rod (Fig. 4)
TO ADJUST THE DEPTH ROD
1. Push in and hold the depth rod release button (j)
on the side handle.
2. Move the depth rod (d) so the distance between
the end of the rod and the end of the bit equals
the desired drilling depth.
3. Release the button to lock rod into position.
When drilling with the depth rod, stop when end
of rod reaches surface of material.

OPERATION

Instructions for Use
WARNING: Always observe the safety
instructions and applicable regulations.
Trigger Switch (fi g. 1)
To start the rotary hammer, depress the trigger
switch (a). To stop rotary hammer, release the
switch.
NOTE: Use lower speeds for starting holes without
a centerpunch, drilling in metal, plastics or ceramics,
or driving screws. Higher speeds are better for
drilling in masonry for maximum efficiency.
VARIABLE SPEED
The variable speed trigger switch (a) permits speed
control. The farther the trigger switch is depressed,
the higher the speed of the drill.
LOCK-ON BUTTON
WARNING: Be sure to release
the locking mechanism before
disconnecting the plug from the power
supply. Failure to do so will cause the
hammerdrill to start immediately the
next time it is plugged in. Damage or
personal injury could result.
The lock-on button (i) is for use only when the rotary
hammer is stationary, mounted in a drill press stand
or for chipping applications.
8
Before using the tool each time, be sure that the
® bit. lock-on button release mechanism is working freely.
For continuous operation, press and hold the trigger
switch (a); press the lock-on button (i); release the
trigger switch and then release the lock-on button.
The tool will continue to run.
To stop the tool in continuous operation, quickly
press and release the trigger switch.
Proper Hand Position (fi g. 1, 3)
WARNING: To reduce the risk of
serious personal injury, ALWAYS use
proper hand position as shown.
WARNING: To reduce the risk of
serious personal injury, ALWAYS hold
securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the
side handle (c), with the other hand on the main
handle (b).

Overload Clutch

If the drill bit becomes jammed or caught, the drive
to the drill spindle is interrupted by the overload
clutch. Because of the forces that occur as a result,
always hold the machine securely with both hands
and take a firm stance.
Drilling Tools
The machine is intended for hammerdrilling in
concrete, brick and stone. It is also suitable for
drilling without impact in wood, metal, ceramic
and plastic.
Drilling (fi g. 1)
WARNING: To reduce the risk
of serious personal injury, turn
tool off and disconnect tool from
power source before making any
adjustments or removing/installing
attachments or accessories.
WARNING: To reduce the risk of
personal injury, ALWAYS ensure
workpiece is anchored or clamped
firmly. If drilling thin material, use a wood
"back-up" block to prevent damage to
the material.