DeWalt D25831 Power Hammer User Manual


 
9
English
D25602
In chipping mode only, lock the trigger switch on, push the lock-on
slider (B) upwards while depressing the trigger switch.
To deactivate the lock-on slider, depress the trigger switch once
then release.
The lock-on slider may only be activated in chipping mode. The
machine will stop running when trying to engage the lock-on slider
in hammerdrilling mode. The motor will stop if the lock-on slider is
activated when changing from chisel mode into hammerdrilling
mode.
D25831, D25851
For continuous operation, move the toggle switch to the on position.
To stop continuous operation, move the toggle switch to the off
position.
SOFT START FEATURE
The soft start feature allows you to build up speed slowly, thus
preventing the drill bit from walking off the intended hole position
when starting. The soft start feature also reduces the immediate
torque reaction transmitted to the gearing and the operator if the
hammer is started with the drill bit in an existing hole.
Hammerdrilling with a Solid Bit
D25501, D25601, D25602
NOTE: The D25831, D25851 has only chipping modes with no
hammerdrilling capability.
1. Set the mode selector (F) to hammerdrilling mode.
2. For D25602 only, move the torque control lever (U) to Setting 1
(S).
3. Set the speed and impact control dial (G).
4. Insert the appropriate drill bit.
5. Adjust the side handle (front or rear position) (C).
6. Mark the spot where the hole is to be drilled.
7. Place the drill bit on that mark and depress the trigger switch
(A).
8. Apply only enough pressure to engage active vibration control
(refer to Active Vibration Control).
9. To stop the tool, release the trigger switch. Always turn the tool
off when work is finished and before unplugging.
Hammerdrilling with a Core Bit
D25501, D25601, D25602
CAUTION: Do not use a core bit for hammerdrilling wood.
Personal injury and damage to tool may result.
NOTE: The D25831, D25851 has only chipping modes with no
hammerdrilling capability.
1. Set the mode selector (F) to hammerdrilling mode.
2. For D25602 only, move the torque control lever (U) to Setting 2
(T).
3. Turn the speed and impact control dial (G) to the maximum
speed (level 7).
4. Adjust the side handle (front or rear position) (C).
5. Assemble the centering bit and adapter shank into core bit.
6. Mark the spot where the hole is to be drilled.
7. Place the centering bit on that mark and depress the trigger
switch (A).
NOTE: Some core drills require the removal of centering bit
after about 1 cm of penetration. If so, remove and continue
hammerdrilling.
8. When hammerdrilling through a structure thicker than the
depth of the core bit, break away the round cylinder of
concrete or core inside the bit at regular intervals. To avoid
unwanted breaking away of concrete around the hole, first drill