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4
en
use may result in a risk of electric shock, overheating
or leaking of corrosive liquid from the battery.
3.2.3 Thermal hazards
G
The insert tool may become hot during use. You should
therefore wear protective gloves when changing insert
tools.
3.2.4 Liquids
G
A caustic liquid may leak from defective batteries. Avoid
contact with this liquid. In the event of contact with the
skin, wash the area affected with soap and plenty of
water. Should the liquid come into contact with the
eyes, flush the eyes with water immediately and sub-
sequently consult a doctor.
3.3 Requirements to be met by users
G
The tool is intended for professional use.
G
The tool may be operated, serviced and repaired only
by authorized, trained personnel. This personnel must
be informed of any special hazards that may be encoun-
tered.
3.4 Personal protective equipment
G
The operator and other persons in the immediate vicin-
ity must always wear eye protection, ear protection
and breathing protection while the tool is in use.
3.5 Symbols used on the tool
V
= volts
–––
- - -
= direct current
n
o
= no load speed
min
–1
= revolutions per minute
j
= hammer drilling
= rotation only
∅
= diameter
Wear
breathing
protection
Wear
ear
protection
Wear
protective
gloves
Wear
eye
protection
4. Functional description
The UH 240-A is a cordless hammer drill for professional
use.
The tool is suitable for use by right or left-handed
persons. The ergonomically designed rubber-padded
grip reduces fatigue and is designed to provide a secure
hold.
The items supplied include: Electric tool with side handle,
3 bits and magnetic bit holder, two B24/2.0 NiCd, B24/2.4
NiCd or B24/3.0 NiMH batteries, C 7/24, C 7/36-ACS
charger in toolbox or cardboard box.
4.1 Correct use
The UH 240-A is a hand-held cordless hammer drill for
driving and removing screws, drilling in steel, wood and
masonry and hammer drilling in masonry only.
It is intended for use on construction sites of all kinds
for general construction, interior finishing, conversion
and renovation work.
G
The tool may be used only in a dry environment.
G
Do not use the tool where there is a risk of fire or explo-
sion.
G
Use only the insert tools and accessories intended for
use with this tool.
G
The tool may be powered only by the batteries approved
for use with this tool.
G
Do not use the batteries as a power source for other
equipment.
G
Use only the recommended battery charger.
G
Modification or manipulation of the tool other than
described in these operating instructions is not per-
missible.
G
To avoid the risk of injury, use only original Hilti acces-
sories and additional equipment.
G
Observe the information printed in the operating instruc-
tions concerning operation, care and maintenance.
G
The tool and its ancillary equipment may present haz-
ards when used incorrectly by untrained personnel or
when used not as directed.
4.2 Important features of the tool
– Vibration-absorbing grip (rubber-padded)
– Smooth speed control
– Gearing and clutch with permanent lubrication
(grease)
– Automatic cut-out carbon brushes
– Forward / reverse rotation
Printed: 07.07.2013 | Doc-Nr: PUB / 5071285 / 000 / 00