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2.6 Additional Specific Safety Rules

a)

Hold tools by insulated gripping surfaces when
performing an operation where the cutting tool
may contact hidden wiring or its own cord.

Con-

tact with a “live” wire will make exposed metal
parts of the tool “live” and shock the operator.

b)

Wear ear protectors when using the tool for
extended periods.

Prolonged exposure to high

intensity noise can cause hearing loss.

WARNING: Some dust created by grinding, sand-
ing, cutting and drilling contains chemicals known
to cause cancer, birth defects, infertility or other
reproductive harm; or serious and permanent respi-
ratory or other injury.

Some examples of these

chemicals are: lead from lead-based paints, crys-
talline silica from bricks, concrete and other masonry
products and natural stone, arsenic and chromium
from chemicallytreated lumber. Your risk from these
exposures varies, depending on how often you do
this type of work.

To reduce exposure to these

chemicals, the operator and bystanders should
work in a well-ventilated area, work with approved
safety equipment, such as respiratory protection
appropriate for the type of dust generated, and
designed to filter out microscopic particles and
direct dust away from the face and body. Avoid pro-
longed contact with dust. Wear protective clothing
and wash exposed areas with soap and water.

Allowing dust to get into your mouth, eyes, or to
remain on your skin may promote absorption of
harmful chemicals.

3. Specific safety rules and symbols

3.1 Basic safety information

In addition to the safety rules listed in the individual sec-
tions of these operating instructions, the following points
must be strictly observed at all times.

3.2 Use for intended purpose

The tool is designed for drilling in rock (not in reinforced
concrete) with drill bits of 32–42 mm diameter to depths
of up to 2.4 m.

Use in environments where there is a risk of explosion
is permissible. The tool complies with the provisions
and requirements of 94/9/EC (ATEX) for:

Group I

category M2

Mining and explosive atmos-

pheres (firedamp)

Group II

category 2G

Other areas where there is a

risk of explosion, where gasses and vapours of the group
IIA (at the customer’s request, also for gasses and
vapours of the group IIB) with ignition temperature above
135°C may be encountered.

3.3 Incorrect use (misuse)

Changes or modifications to the tool are not permissible.

To avoid the risk of injury, use only genuine Hilti acces-
sories and ancillary equipment.

Observe the information printed in the operating instruc-
tions concerning operation, care and maintenance.

3.4 State of the art

The tool is designed and manufactured according to
the state of the art.

The tool and its ancillary equipment may present haz-
ards when used incorrectly by untrained personnel or
not as directed.

3.5 Proper arrangement and organisation of the work-

place

Wear non-slip footwear and always work from a secure
stance.

It is recommended that rubber gloves are worn when
working.

Do not wear loose clothing, loose long hair and jew-
ellery which could become caught up in moving parts.

Avoid unfavourable body positions.

Ensure that the workplace is well lit.

Ensure that the workplace is well ventilated.

Objects which could cause injury should be removed
from the working area.

Keep other persons outside the area affected while you
are working.

To avoid tripping while working, always lead the sup-
ply cord, extension cord and water hose away to the
rear of the tool.

The tool may be used only in conjunction with the
TE-MW, TE-MW T water leg or a drilling aid designed
for this purpose.

Take care of the drill bits. You will work more efficiently
and more safely if the drill bits are kept clean and sharp.
Observe the maintenance regulations and instructions
on changing drill bits.

3.6 General hazards presented by the tool

Operate the tool only as directed and only when it is in
faultless condition.

Keep the grips dry, clean and free from oil and grease.

Never leave the tool unsupervised.

Avoid unintentional starting. Ensure that the ON / OFF
switch is in the OFF position during transport.

Use only the original accessories or items of additional
equipment listed in the operating instructions. The use
of other drill bits or accessories may present a risk of
injury.

Do not overload the tool. The tool operates more effi-
ciently and more safely within its given performance
range.

Unplug the supply cord when the tool is not in use (e.g.
during pauses between work), before cleaning or main-
tenance and when changing drill bits.

When not in use, the tool must be stored in a dry place,
locked up or where out of reach of unauthorised persons.

Printed: 20.04.2017 | Doc-Nr: PUB / 5136192 / 000 / 00

Printed: 20.04.2017 | Doc-Nr: PUB / 5136192 / 000 / 01

Summary of Contents for TE MD 20 MSHA

Page 1: ...Operating instructions en Mode d emploi fr Manual de instrucciones es TE MD20 MSHA Printed 20 04 2017 Doc Nr PUB 5136192 000 00 Printed 20 04 2017 Doc Nr PUB 5136192 000 01 ...

Page 2: ...1 ꨍ ꨎ ꨏ ꨓ ꨔ ꨒ ꨖ ꨕ ꨐ ꨑ Printed 20 04 2017 Doc Nr PUB 5136192 000 00 Printed 20 04 2017 Doc Nr PUB 5136192 000 01 ...

Page 3: ...ꙶ ꙷ ꙵ ꙭ ꙴ ꙮ 2 ꙭ 3 ꛡꛢꛣ ꛠ 5 6 7 7 67 ꛟ 4 Printed 20 04 2017 Doc Nr PUB 5136192 000 00 Printed 20 04 2017 Doc Nr PUB 5136192 000 01 ...

Page 4: ...ions In these operating instructions the designation the tool always refers to the TE MD20 MSHA rotary hammer drill If the tool is used in areas where there is risk of explo sion the information printed on a grey background in these operating instructions must be observed No changes or modifications may be made to the tool with out consent from the approval authority Location of identification dat...

Page 5: ...re plugging in Carrying tools with your fin ger on the switch or plugging in tools that have the switch on invites accidents d Remove adjusting keys or wrenches before turn ing the tool on A wrench or a key that is left attached to a rotating part of the tool may result in personal injury e Do not overreach Keep proper footing and bal ance at all times Proper footing and balance enables better con...

Page 6: ...ture above 135 C may be encountered 3 3 Incorrect use misuse Changes or modifications to the tool are not permissible To avoid the risk of injury use only genuine Hilti acces sories and ancillary equipment Observe the information printed in the operating instruc tions concerning operation care and maintenance 3 4 State of the art The tool is designed and manufactured according to the state of the ...

Page 7: ...low ing conditions shall be satisfied General Safety Frequent inspection shall be made All electrical parts including the portable cable and wiring shall be kept in a safe condition Special efforts shall be made to maintain cable routing paths free from mud rock and other debris that could eventually cause cable damage Cables shall be closely examined on a regular basis and damaged cables or prote...

Page 8: ... the front end of the drill steel and tap it lightly until it holds securely 4 2 Technical data TE MD20 MSHA TE MD20 GFCI Rated voltage 220 240 V single phase 220 240 V single phase Rated current 15 A 15 A Power input 2200 W 2200 W Mains frequency 50 60 Hz 50 60 Hz Torque 100 Nm 100 Nm Revolutions counter clockwise 205 r p m 205 r p m Impact energy 28 J 28 J Dimensions 770 210 230 770 210 230 Dril...

Page 9: ...hecked at regular intervals in accordance with the manufacturer s instructions If operated in atmospheres where there is a risk of explosion Only approved plug socket systems EEx d I IIA IP66 in accordance with 94 9 EC may be used e g Hilti TE MPH with 24 V pilot contact monitored earth ground 220 240 V phase neutral conductor Disconnection from the power supply must be by way of an isolating swit...

Page 10: ... of the tool is manufactured from impact resistant plastic The grip section is manufactured from synthetic rubber Check all external parts of the tool for damage at regu lar intervals and check that all controls operate fault lessly Damaged plastic parts of the housing must be replaced immediately due to their explosion protection function Use a slightly damp cloth to clean the outside of the tool...

Page 11: ...at it works Check the electric supply fuse circuit break er Have repairs carried out by a skilled electrical specialist Fault or poor contact in the extension Replace the extension cord and cord or plug connectors check whether the tool works Return defective parts to Hilti Service The tool doesn t start and the fault The tool has overheated Check the water supply Allow the indicator red lamp ligh...

Page 12: ...ewerage system 11 Manufacturer s warranty tools Hilti warrants that the tool supplied is free of defects in material and workmanship This warranty is valid so long as the tool is operated and handled correctly cleaned and serviced properly and in accordance with the Hilti Operating Instructions and the technical sys tem is maintained This means that only original Hilti consumables components and s...

Page 13: ...10 Printed 20 04 2017 Doc Nr PUB 5136192 000 00 Printed 20 04 2017 Doc Nr PUB 5136192 000 01 ...

Page 14: ...42965 www hilti com Hilti registered trademark of Hilti Corp Schaan W 2617 0911 16 Pos 3 1 Printed in Liechtenstein 2011 Right of technical and programme changes reserved S E O 2028967 A2 Printed 20 04 2017 Doc Nr PUB 5136192 000 00 Printed 20 04 2017 Doc Nr PUB 5136192 000 01 ...

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