DD-HWT Set
Diamond drill bits and accessories for drilling tiles
Always read the operating instructions
before starting up of the device.
Always keep these operating instructions
with the HWT set.
If you give the set to someone else, always
include the operating instructions.
Drill with
Use Hilti
Drill
water
cordless
without
screwdriver
hammer
Wear eye
Wear
protection
protective
gloves
Contents
1. Components and controls
Printed: 07.07.2013 | Doc-Nr: PUB / 5069652 / 000 / 00
Recommended
speed
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1. Components and controls
The HWT set consists of (see Fig. 1):
@
Drill bit (∅ 6-14 mm), 5 mm optional
;
Elongated hole
=
Hole starting aid
%
Suction holder
&
Clamping lever
(
Arm
)
Locking screw
+
Rotating ring
§
Positioning aid
/
Water discharge hose
:
Connection for the water supply hose
·
Insert (∅ 6-14 mm), 5 mm optional
$
Hose clamp
£
Cap nut
|
Water supply hose
¡
Pressure water cylinder
Q
Connection for the water supply hose
W
Pump piston
E
Lock for the water release switch
R
Water release switch
T
Head of the pressure water cylinder
Z
Water tank
2. General instructions
• The HWT set is suitable for hand-operated wet drilling
(∅ 6-14 mm, 5 mm optional) in hard and brittle sur-
face materials, e.g. tiles, stoneware, granite and mar-
ble.
• HWT drill bits must be continuously cooled with water
during drilling. Drilling without water will cause the drill
bits to fail or their service life to be reduced consider-
ably.
• Use battery-operated power tools only, e.g. Hilti cord-
less screwdriver (see Section 4).
• The HWT set may be used in combination with drill bits
and HWT accessories only.
• The product must not be used with the hammer drill
function.
• Drill only horizontally or vertically down. Overhead
drilling is not permitted.
• Service life and drilling speed may vary greatly on
account of the different properties of surfaces.
en
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