Assembly And Adjustment - DeWalt D21720 Handbuch

E N G L I S H
2
Conductor size (mm )
0.75
1.00
1.50
2.50
4.00
Voltage Amperes
115 0 - 2.0
2.1 - 3.4
3.5 - 5.0
5.1 - 7.0
7.1 - 12.0
12.1 - 20.0
230 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)
Percussion drill 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 (5) to the required position.
Inserting and removing a bit (fig. A)
Keyless chuck
• Open the chuck by turning the sleeve (9)
counterclockwise and insert the bit shank.
• Tighten firmly by turning the sleeve clockwise.
22
Cable rating (Amperes)
6
10
15
20
25
Cable length (m)
7.5 15 25 30 45
Cable rating (Amperes)
6 6 6 6
6 6 6 6 15
6 6 10 15 20
10 10 15 20 20
15 15 20 25 25
20 20 25 -
6 6 6 6
6 6 6 6
6 6 6 6 10
10 10 10 10 15
15 15 15 15 20
20 20 20 20 25
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)
60
The side handle (6) can be fitted to suit both RH-
and LH-users.
6 10
15
20
25
-
• Loosen the side handle.
- -
• For RH-users, slide the side handle clamp over
6 6
the collar behind the chuck, handle at the left.
6 6
• For LH-users, slide the side handle clamp over
15
the colar behind the chuck, handle at the right.
15
• Rotate the side handle to the desired position
20
and tighten the handle.
-
Setting the drilling depth (fig. C)
• Insert the required drill bit into the chuck.
• 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).
Two gear selector (fig. D)
This tool is fitted with a two gear selector (4) to vary
the speed/torque ratio.
• Release the ON/OFF-switch and select the
required position as the drill coasts to a stop.
Always align the selector arrow with the gear
symbol on the gear housing:
1 low speed/high torque
(drilling large holes or driving large screws)
2 high speed/low torque
(smaller holes, drilling in wood)
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.