DeWalt D25810 Original Instructions Manual page 8

English
The hammer only needs enough pressure to engage the active
vibraton control. Applying too much pressure will not make the
tool chip faster and active vibration control will not engage.
ASSEMBLY AND ADJUSTMENTS

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. Be sure the
trigger switch is in the OFF position. An accidental start-up
can cause injury.
Side Handle (Fig. A–B)

WARNING: To reduce the risk of personal injury, ALWAYS
operate the tool with the side handle properly installed.
Failure to do so may result in the side handle slipping
during tool operation and subsequent loss of control. Hold
tool with both hands to maximize control.
The side handle 2 clamps to the front of the gear case and may
be rotated 360˚ to permit right- or left-hand use.
Mounting the Straight Side Handle (Fig. B)
1. Widen the ring opening of the side handle
anti-clockwise.
2. Place the assembly onto the chipping hammer putting
the nose of the tool through the steel ring
collar 3 past the tool holder and sleeve.
3. Rotate the side handle assembly to the desired position.
4. Lock the side handle mounting assembly in place by
securely tightening the handle
that the assembly will not rotate.
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.

WARNING: Do not attempt to tighten or loosen 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 occur.
The chipping hammer can be fitted with various chisel bits
depending on the desired application. Use sharp bits only.
Inserting and Removing SDS-Max Bits (Fig. C)
D25810
nOTE: Accessories and attachments used must be lubricated
around the SDS fitment before installation.
1. Pull back the locking sleeve 8 and insert the bit shank. The
bit shank must be clean.
2. Turn the bit slightly until the sleeve snaps back into position.
3. Ensure the bit is properly engaged.
nOTE: The bit needs to move several centimeters in and out
of the tool holder 7 when properly engaged.
To remove the bit, pull back the locking sleeve and pull the
bit out.
6
by rotating it
2
and onto the
9
rotating it clockwise so
2
Inserting and Removing 17 mm HEX Bits
(Fig. C)
D25811
This tool uses 17 mm HEX accessories. We recommend to use
professional accessories only.
1. Clean and grease the bit shank.
2. Insert the bit shank into the tool holder
3. Push the bit further into the tool and turn it slightly until it
fits into the slots.
4. Ensure the bit is properly engaged.
nOTE: The bit needs to move several centimeters in and out
of the tool holder 7 when properly engaged.
To remove the bit, pull back the locking sleeve and pull the
bit out.
Bit Position Adjustment
Turn the mode selector to bit adjustment icon (Refer to Mode
Selection) to adjust the chisel to the desired position. There are
multiple positions to set the angle of the chisel.
nOTE: After finding the desired position, slightly maneuver
the chisel bit back and forth to ensure the chisel is
properly engaged.
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. Be sure the
trigger switch is in the OFF position. 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 mounted side
handle, with the other hand on the main handle.
Mode Selection (Fig. E)

WARNING: Do not select the operating mode when the
tool is running. Tool must come to a complete stop before
activating the mode selector button or damage to the tool
may result.
Your tool is equipped with a mode selector dial
mode appropriate to desired operation.
7 .
4 to select the