Electrical Safety; Assembly And Adjustments - DeWalt D25761 Original Instructions Manual

ultiMate torque Control (utC)
D25723/D25763
In addition to the two-stage mechanical clutch,
Ultimate Torque Control (UTC) offers increased
user comfort and safety through an on-board,
anti-rotation technology capable of detecting if
the user loses control of the hammer. When a jam
is detected, the torque and speed are reduced
instantly. This feature prevents self rotation of the tool
reducing the occurrence of wrist injuries.
Service indicator leDs (fig. 3)
The yellow brushwear indicator LED (s) lights up
when the carbon brushes are nearly worn out to
indicate that the tool needs servicing within the next
8 hours of use.
D25721, D25722, D25723, D25761,DD25762, D25763
The red service indicator LED (r) lights up if the
lock-on button (b) is used in any mode except the
chipping mode. On models fitted with Ultimate
Torque Control (UTC), the red LED indicator (r) lights
up if the anti-rotational device is activated. The red
indicator starts to flash if there is a fault with the tool
or the brushes have completely worn out (refer to
Brushes under Maintenance).
D25871
The red service indicator LED (r) lights up if there is
a fault with the tool or the brushes have completely
worn out (refer to Brushes under Maintenance).
fully vibration-dampened Main
handle (fig. 1)
The dampers in the main handle (d) absorb the
vibrations transmitted to the user. This improves user
comfort during the operation.

electrical Safety

The electric motor has been designed for one
voltage only. Always check that the power supply
corresponds to the voltage on the rating plate.
Your D WALT tool is double insulated in
e
accordance with IEC 60745; therefore no
earth wire is required.
WARNING: 115 V units have to
be operated via a fail-safe isolating
transformer with an earth screen
between the primary and secondary
winding.
If the supply cord is damaged, it must be replaced
by a specially prepared cord available through the
D WALT service organisation.
e
using an extension Cable
If an extension cable is required, use an approved 3–
core extension cable suitable for the power input of
this tool (see technical data).The minimum conductor
size is 1.5 mm ; the maximum length is 30 m.
2
When using a cable reel, always unwind the cable
completely.

aSSeMbly anD aDjuStMentS

WARNING: To reduce the risk of
injury, turn unit off and disconnect
machine from power source before
installing and removing accessories,
before adjusting or changing set-
ups or when making repairs. Be sure
the trigger switch is in the OFF position.
An accidental start-up can cause injury.
WARNING: Tool bits may be hot and
gloves should be worn when changing
or removing them to avoid personal
injury.
assembling and fitting the Side
handle (fig. 2a, 2b)
The side handle (c) can be mounted on either side
of the machine to suit both right- and left-handed
users.
WARNING: Always operate the
tool with the side handle properly
assembled.
D25721, D25722, D25723, D25761,D25762, D25763
Mounting in front poSition (fig. 2a)
1. Snap the steel ring (j) over the collar (n) behind
the tool holder (l). Squeeze both ends together,
mount the bush (k) and insert the pin (m).
2. Place the side handle clamp (i) and screw on
the clamp wheel (h). Do not tighten.
WARNING: Once assembled, the side
handle clamp should never be removed.
3. Screw the side handle (c) into the bush (k) and
then into clamp wheel. Tighten securely.
4. Rotate the side handle mounting assembly to
the desired position. For drilling horizontally with
a heavy drill bit, we recommend to place the
side handle at an angle of approximately 20° for
optimum control.
5. Lock the side handle mounting assembly in
place by tightening the clamp wheel (h).
E n gl is h
9