Hilti TE MD20 LST User Manual

TE MD20LST

Bedienungsanleitung de

Operating instructions en

Manual de instrucciones es

Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 00Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 01

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Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 00Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 01

ORIGINAL OPERATING INSTRUCTIONS

TE MD20LST rotary hammer drill

It is essential that the operating
instructions are read before the
tool is operated for the first time.
Always keep these operating
instructions together with the tool.
Ensure that the operating instruc­tions are with the tool when it is
given to other persons.

Operating controls and parts of the tool 

햲 ON / OFF switch
햳 Fault indicator (red LED)
햴 Ready and service indicator (green LED)
햵 Chuck
햶 Drill bit lock
햷 Rotary hammer drill
햸 Hammering mechanism
햹 Electronics
햺 Gearing section
햻 Grip

Tool with water leg 

햽 Connecting cable
햾 Water leg
햿 Connecting pin
헀 Water hose
헁 Water hose protective sleeve
헂 Regulating valve
헃 Support base
헄 Carrying handle
헅 Connection end
헆 Drill bit
쎻

21

Drill steel

Tool with side handle 

햽 Connecting cable
햿 Connecting pin
헀 Water hose
헁 Water hose connection sleeve
헅 Connection end
헆 Drill head
쎻

21

Drill rod

쎻

22

Side handle

쎻

23

Ball valve

Plug and PRCD (no explosion protection!) 

Tool versions: TE MD20 LS T PRCD /
TE MD20 LS T HA PRCD / TE MD20 LS T EM PRCD

24

Plug

쎻
쎻

25

PRCD ground fault circuit interrupter

쎻

26

TEST button

쎻

27

RESET button

쎻

28

Indicator lamp

Contents Page

1. Generalinformation 15

2. Description 16

3. Insert toolsand accessories 16

4. Technical data 17

5. Safety rules 18

6. Before use 21

7. Operation 23

8. Care and maintenance 24

9. Troubleshooting 24

10. Disposal 26

11. Manufacturer's warranty – tools 26

12. Declaration of conformity (original) 27

1. General information

1.1 Indication of danger

-WARNING-

Draws attentionto a potentially dangeroussituation that
could lead to serious personal injury or fatality.

-CAUTION-

This wordis used to draw attentionto a potentiallydan­gerous situationwhich could lead tominor personal injury
or damage to the equipment or other property.

-NOTE-

Draws attention to an instruction or other useful infor­mation.

1.2 Pictograms
Warning signs

Plug with approvalfor use in environments wherethere
is a risk of explosion as per 5.8.1 

Tool versions: TE MD20 LS T EM / TE MD20 LS T /
TE MD20 LS T HA / TE MD20 LS T IM

Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 00Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 01

General
warning

Warning:
electricity

Warning:

hot surface

Warning:

avoid hand

injuries

15

Obligation signs

Wear eye

rotection

p

Wear a

afety

s

helmet

Wear ear

rotection

p

Wear ear

rotection

p

Wear safety

ootwear

f

Symbols

ead the

R

operating

instructions

efore use

b

 These numbers refer to the corresponding illustra­tions. The illustrations can be foundonthefold-out cov­er pages. Keep thesepages open whilestudying theoper­ating instructions.

In these operating instructions, the designation "the tool"
alwaysrefers to the TEMD20LS T rotary hammer drill.

If the tool is used in areas where there is risk of explo­sion, the information printed on a grey background in
these operating instructions must be observed. No
changesormodifications maybemade to thetool with­out consentfromthe approval authority.

Location of identification data on the tool

The type designation andserialnumbercanbefound on
thetype plate onthe tool. Make a noteofthis data in your
operating instructionsand always refer to it when mak­ing an enquiry to your Hilti representative or service
department.

Type:

Serial no.:

2. Description

The tool is a water-cooled, electrically-powered rotary
hammer drill with pneumatic hammering mechanism.
Handheld use is only allowed with the following tools in
combination withthe sidehandleTE-MAG. Theletter„T“
in the nameofthe tools indicates thatthetool is equiped
with a „dead-man switch“.

The tool is available in various versions:

TE MD20 LS T (FFE: 2004397)
TE MD20 LS T HA (FFE: 2008150)
TE MD20 LS T IM (FFE: 2008151)
TE MD20 LS T PRCD (FFE: 2008152)
TE MD20 LS T HA PRCD (FFE: 2008153)
TE MD20 LS T EM (FFE: 2051680)
TE MD20 LS T EM PRCD (FFE: 2008154)

The TE MD20 LS T / TE MD20 LS T HA /
TE MD20 LS T EM /TE MD20 LS T IM are suitable for
use in areas where there is a risk ofexplosion and in
miningenvironments.

3. Insert tools and accessories

TE-MCEconnection end
TE-MDRdrill steel, in various lengths
TE-MDHdrill bit head, in various versions
TE-MEC extension cordfor use in areaswhere thereis a

risk of explosion.
TE-MAC PRCD adapter cable for useonly in areas where

no explosion protection is necessary; only applicable in
electric circuits wherethe nominal voltage is 220-230 V.

For rig-guided drilling:
TE-MW waterleginvariouslengthsused in conjunction
with the TE MW 2G or TE MW 4G support base (and,
where necessary, with TE MW E water leg extension in
various lengths).

For handheld drilling:
Side handleTE-MAG

Pleas contact Hilti Customer Service for more informa­tion about accessories.

16

Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 00Printed: 20.04.2017 | Doc-Nr: PUB / 5136141 / 000 / 01