Using An Extension Cable; Assembly And Adjustment - DeWalt D21710 Operatin Manual

Your D WALT tool is double insulated in
E
accordance with IEC60745; therefore no
earth wire is required.

Using an extension cable

If an extension cable is required, use an approved
extension cable suitable for the power input of this
tool (see technical data). The minimum conductor
2
size is 1.5 mm . When using a cable reel, always
unwind the cable completely.
Also refer to the table below.
2
Conductor size (mm )
0.75
1.00
1.50
2.50
4.00
Voltage Amperes
220-240 0 - 2.0
2.1 - 3.4
3.5 - 5.0
5.1 - 7.0
7.1 - 12.0
12.1 - 20.0

Assembly and adjustment

Prior to assembly and adjustment always
unplug the tool.
Selecting the operating mode (fig. B)
The tool can be used in two operating modes:
Rotary drilling:
for steel, wood and plastics.
Percussion drilling:
simultaneous rotating and impacting for
concrete and masonry drilling
operations.
• Select the required operating mode by rotating
the mode selector (4) to the required position.
Cable rating (Amperes)
6
10
15
20
25
Cable length (m)
7.5 15 25 30
Cable rating (Amperes)
6 6 6 6
6 6 6 6
6 6 6 6
10 10 10 10
15 15 15 15
20 20 20 20
Inserting and removing a bit (fig. A)
Keyed chuck
• Open the chuck by turning the sleeve (9)
counterclockwise and insert the bit shank.
• Put the chuck key (10) into each hole in the side
of the chuck and turn clockwise until tight.
• To remove the bit, proceed in reverse order.
Fitting the side handle (fig. A)
The side handle (6) can be fitted to suit both
RH- and LH-users.
• Loosen the side handle.
• For RH-users, slide the side handle clamp over
the collar behind the chuck, handle at the left.
45 60
• For LH-users, slide the side handle clamp over
the colar behind the chuck, handle at the right.
6 6
• Rotate the side handle to the desired position
6 6
and tighten the handle.
10 15
15 15
Setting the drilling depth (fig. C)
20 20
• Insert the required drill bit into the chuck.
25 -
• Slacken the side handle (6).
• Fit the depth adjustment rod (7) through the hole
in the side handle clamp.
• Adjust the drilling depth as shown.
• Tighten the side handle.
Forward/reverse slider (fig. A)
• To select forward or reverse rotation, use the
forward/reverse-switch (3) (see arrow on tool).
Chuck removal (fig. D)
• Open the chuck jaws as far as possible.
• Insert a screwdriver into the chuck and remove
the chuck retaining screw (12) by turning
clockwise.
• Tighten an Allen key into the chuck and strike it
with a hammer as shown.
Always use the drill with the side handle
properly assembled.
Always wait until the motor has come to
a complete standstill before changing the
direction of rotation.
E N G L I S H
7