DeWalt D25614 Manual page 9

Bit and Bit Holder

WARNING: Burn Hazard. ALWAYS wear gloves when
changing bits. Accessible metal parts on the tool and bits
may get extremely hot during operation. Small bits of
broken material may damage bare hands.
The hammerdrill can be fitted with different bits depending on
the desired application. Use sharp drill bits only.
Inserting and Removing SDS MAX Accessories
(Fig. C)
This machine uses SDS MAX bits and chisels (refer to the inset in
Figure C for a cross-section of an SDS MAX bit shank).
1. Clean the bit shank.
2. Pull back the locking sleeve
3. Turn the bit slightly until the sleeve snaps into position.
4. Pull on the bit to check if it is properly locked. The
hammering function requires the bit to be able to move
axially several centimetres when locked in the tool holder.
5. To remove a bit pull back the tool holder locking sleeve
and pull the bit out of the bit holder
OPERATION
Instructions for Use

WARNING: Always observe the safety instructions and
applicable regulations.

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. An accidental
start-up can cause injury.
Proper Hand Position (Fig. D)

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 main handle
with the other hand on the side handle
Operation Modes (Fig. A)

WARNING: Do not select the operating mode when the
tool is running.
Your tool is equipped with a mode selector switch
select the mode appropriate to desired operation.
symbol Mode
Rotary
hammering
hammering
only
Bit Adjustment
6 and insert the bit shank.
.
5
13 .
to
3
Application
Drilling into concrete and
masonry
Light chipping
Chisel bit position
adjustment
To Select an Operating Mode
• Rotate the mode selector dial so that the arrow points to the
symbol corresponding with the desired mode.
nOTE: The mode selector switch
rotary hammering or hammering only mode at all times. There
are no operable positions in between. It may be necessary to
briefly run the motor after having changed from 'hammering
only' to 'rotary' modes in order to align the gears.
Indexing the Chisel Position (Fig. A)
The chisel can be indexed and locked into 18 different positions.
1. Rotate the mode selector switch
the position.
2. Rotate the chisel in the desired position.
3. Set the mode selector switch
only" position.
4. Twist the chisel until it locks in position.
Performing an Application (Fig. A, B)

6
WARNING: TO REDUCE THE RISK OF PERSONAL
INJURY, ALWAYS ensure workpiece is anchored or
clamped firmly. If drilling thin material, use a wood
"backup" block to prevent damage to the material.

WARNING: Always wait until the motor has come to
a complete standstill before changing the direction
of rotation.
Switching On and Off (Fig. A)
To turn the tool on, depress the trigger switch
To stop the tool, release the trigger switch.
Drilling with a Solid Bit (Fig. A, B)
1. Insert the appropriate drill bit.
2. Set the mode selector switch
hammering position.
3. Set the electronic speed and impact control dial
4. Fit and adjust the side handle
5. Mark the spot where the hole is to be drilled.
6. Place the drill bit on the spot and switch on the tool.
,
4
7. Always switch off the tool when work is finished and
before unplugging.
Drilling with a Core Bit (Fig. A, B)
1. Insert the appropriate core bit.
2. Assemble the centerdrill into the core bit.
3. Set the mode selector switch
hammering position.
4. Turn the electronic speed and impact control dial
medium or high speed setting.
5. Fit and adjust the side handle
6. Place the centerdrill on the spot and switch on the tool. Drill
until the core penetrates into the concrete approximately
1 cm.
7. Stop the tool and remove the centerdrill. Place the core bit
back into the hole and continue drilling.
English
3 must be in rotary drilling,
3 until it points towards
to the "hammering
3
1 .
3 to the rotary
8 .
13 .
3 to the rotary
8 to a
.
13
7