Chisel Bit Adjustment; Operation - DeWalt D25501 Instruction Manual

Chisel Bit adjustment (

D25831, D25851
Turn the mode selector to one of the chisel bit adjustment
icons to adjust the chisel to the desired position. There are
multiple positions to set the angle of the chisel. After finding
the desired position, slightly maneuver the chisel bit back
and forth to ensure the chisel is properly engaged.
Indicator Lights (Fig. A, E)
The yellow brush wear indicator LED
the carbon brushes are nearly worn out indicating that the
tool needs servicing within the next 8 hours of use.
The red indicator LED 9 lights up if the lock-on slider
and/or E-Clutch™ is engaged in any mode except the
chipping mode.
The red indicator LED starts to flash if there is a fault with
9
the tool or the brushes have completely worn out (refer to
Repairs under Maintenance).
inDiCATOR DiAgnOsis
OFF Tool is functioning
normally
SOLID Perform and protect
control has been
activated
FLASHING Perform and
protect control is
malfunctioning
nOTE: If the tool power is insufficient for normal
hammering and if the LED does not flash repeatedly after
cycling the trigger, take the tool to an authorized D
repair center.

OPERATION


WARNING: To reduce the risk of serious personal
injury, turn unit off and disconnect it from
power source before making any adjustments or
removing/installing attachments or accessories.
An accidental start-up can cause injury.

WARNING: To reduce the risk of personal injury,
ALWAYS ensure workpiece is anchored or
clamped firmly. If hammerdrilling thin material,
use a wood "back-up" block to prevent damage to
the material.

WARNING: To reduce the risk of personal injury,
ALWAYS operate the tool with the side handle
properly installed and securely tightened. Failure
to do so may result in the side handle slipping during
)

Proper Hand Position (Fig. F)


lights up when
10
2
Proper hand position requires one hand on the side
handle
Fig. F
sOlUTiOn
Follow all
warnings and
instructions when
operating tool
With tool properly
supported, release
trigger; the tool
will function
normally when
the trigger is
depressed again
and the indicator
light will go out
Take the tool to
an authorized
D WALT
e
repair agent.
nOTE: Operating temperature of this tool is 19˚F to 104˚F
WALT
e
(-7˚C to +40˚C). Using the tool outside of this temperature
range will decrease the life of the tool.
Trigger Switch (Fig. A)
D25501, D25553, D25601, D25603,
D25651
To turn the tool on, depress the trigger switch
the tool, release the trigger switch.
In chipping mode only, lock the trigger switch on by
pushing the lock-on slider
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
tool operation and subsequent loss of control. Hold
tool with both hands to maximize control.
WARNING: Drill may stall if overloaded causing a
sudden twist. Always expect the stall. Grip the drill
firmly with both hands to control the twisting action
and avoid injury.
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.
3 , with the other hand on the main handle
3
4
3
2 upward while depressing the
English
4 .
4
. To stop
1
7