DeWalt D21720 Original Instructions Manual page 27

DATE CODE POSITION (FIG. A)
The Date Code (14), which also includes the year of
manufacture, is printed into the housing.
Example:
2009 XX XX
Year of Manufacture
Package Contents
The package contains:
1 Rotary/percussion drill
1 Side handle
1 Depth gauge
1 Chuck key (D21720)
1 Kitbox (K-models only)
1 Instruction manual
1 Exploded drawing
• Check for damage to the tool, parts or accessories
which may have occurred during transport.
• Take the time to thoroughly read and understand
this manual prior to operation.
Description (fi g. A, F, G)
WARNING: Never modify the power tool
or any part of it. Damage or personal
injury could result.
1 Variable speed switch
2 Lock-on button
3 Forward/reverse slider
4 Two gear selector
5 Mode selector
6 Side handle
7 Depth adjustment rod
8 Keyed chuck (D21720)
8 Keyless chuck (D21721)
9 Sleeve
10 Chuck key
11 Suspension bracket
12 Main handle
13 Screw
INTENDED USE
Your Percussion Drill has been designed for
professional drilling and screwdriving applications.
DO NOT use under humid conditions or in presence
of flammable liquids or gases.
These percussion drills are professional power tools.
DO NOT let children come into contact with the tool.
Supervision is required when inexperienced operators
use this tool.
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 EN 60745; therefore no
earth wire is required.
If the supply cord is damaged, it must be replaced
by a specially prepared cord available through the
D WALT service organisation.
E
Mains Plug Replacement
(U.K. & Ireland Only)
If a new mains plug needs to be fitted:
• Safely dispose of the old plug.
• Connect the brown lead to the live terminal in the
plug.
• Connect the blue lead to the neutral terminal.
WARNING: No connection is to be made
to the earth terminal.
Follow the fitting instructions supplied with good
quality plugs. Recommended fuse: 13 A.
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 size
is 1 mm 2 ; the maximum length is 30 m.
When using a cable reel, always unwind the cable
completely.
ASSEMBLY AND
ADJUSTMENT
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.
Selecting the Operating Mode (fi g. B)
Percussion drill can be used in two operating modes:
Rotary drilling:
for steel, wood and plastics.
E N G L I S H
25