TYROLIT Hydrostress DME19DPP Manual

Instruction Manual
DME19DP

Index 001 as of Serial No. 830794
Translation of the Original Instruction Manual
10997907 en / 23.11.2016

Congratulations!
You have opted to buy a tried and tested TYROLIT Hydrostress machine and therefore a
leading technological standard. Only original TYROLIT Hydrostress spare parts guarantee
quality and replaceability. If the maintenance work is neglected or carried out improperly we
are unable to fulfil our guarantee undertaking. All repairs may only be carried out by trained,
skilled personnel.
Our customer service is available to help you to keep your TYROLIT Hydrostress machines in
perfect working order.
We wish you problem and fault-free working.
TYROLIT Hydrostress
Copyright © TYROLIT Hydrostress
TYROLIT Hydrostress AG
Witzbergstrasse 18
CH-8330 Pfäffikon
Switzerland
Tel [phone]
Fax [phone]
www.tyrolit.ch
2

Contents
Contents...................................................................................................................................3
Important Information
.............................................................................................................4
Pictograms
...............................................................................................................................4
Explanation of the pictograms on the dry drilling motor..........................................................4
Explanation of the pictograms used in the text.......................................................................4
For your Safety
........................................................................................................................5
General Safety Instructions for Power Tools ..........................................................................5
1) Safety at the place of work..............................................................................................5
2) Electrical safety...............................................................................................................5
3) Safety of persons............................................................................................................6
4) Using and handling the power tool ..................................................................................6
5) Service............................................................................................................................7
Machine-Specific Safety Instructions......................................................................................7
Operating personnel requirements.....................................................................................7
Workplace safety ...............................................................................................................7
Electrical safety..................................................................................................................8
Safety of people.................................................................................................................9
Hazards when using and handling the power tool ............................................................10
Service / Maintenance / Repair ........................................................................................11
Technical Characteristics
.....................................................................................................12
Technical specifications.......................................................................................................12
Machine characteristics .......................................................................................................12
Declaration of Conformity
.....................................................................................................13
Scope of Supply
....................................................................................................................13
Machine parts and controls
..................................................................................................14
Tools and Accessories
..........................................................................................................15
Intended Use
..........................................................................................................................15
Before Starting Work
.............................................................................................................16
Fit / dismantle extraction tube..............................................................................................16
Switch soft impact feature on and off ...................................................................................17
Operation and Control
...........................................................................................................18
Fit or replace diamond dry core bit.......................................................................................18
Hand-held drilling.................................................................................................................19
Using the centring tip .......................................................................................................19
Connect dust extractor to the extraction tube ...................................................................20
Switching on the dry drilling motor and drilling..................................................................20
Drill centring hole..........................................................................................................20
Finishing the drilled hole...............................................................................................21
Ending the drilling process ...........................................................................................22
Remove drill core .........................................................................................................22
Stand
-guided core drilling ....................................................................................................23
Handling diamond dry core bits
...........................................................................................24
Cleaning
.................................................................................................................................24
Maintenance...........................................................................................................................24
3

Important Information
Before starting any work with or on the machine, this instruction manual, the
safety instructions and the warnings must be read through carefully and o
b-
served.
Always store this instruction manual together with the machine.
Pictograms
Explanation of the pictograms on the dry drilling motor
The CE mark on a product means that the product conforms with all the applicable
European regulations and has been subjected to the prescribed conformity assessment
procedures.
Environmentally friendly disposal of waste equipment
Waste equipment contains valuable recyclable materials which should be reused or
recycled. Batteries, lubricants and similar materials must not be allowed to get into the
environment.
Therefore, please dispose of waste equipment through suitable collection systems.
Wear hearing protection!
The typical A
-weighted sound pressure level of this power tool is over 85 dB (A) – wear
ear protectors when working with the tool!
Explanation of the pictograms used in the text
Danger!
This symbol means a direct pending danger or risk to the life and health of people of a
general nature. Failure to note and follow these instructions results in severe health
effects, through to life
-threatening injuries.
►This arrow indicates the appropriate precaution to you in order to avert the danger.
Danger due to electricity!
This symbol means a direct pending danger or risk to the life and health of people due to
electricity. Failure to note and follow
these instructions results in severe health effects,
through to life
-threatening injuries.
►This arrow indicates the appropriate precaution to you in order to avert the danger.
Caution!
This symbol indicates a potentially dangerous situation. Failur
e to comply with these
instructions can result in slight injuries or damage to property.
►This arrow indicates the appropriate precaution to you in order to avert the danger.
Please note!
This information provides you with recommendations for use and useful tips.
4

For your Safety
General Safety Instructions for Power Tools
WARNING
Read all the safety instructions and precautions.
Failure to observe the safety instructions and precautions can result in electric shock, fire
and/or serious
injuries.
Keep all safety instructions and precautions for future reference.
The term “power tool
”used in the safety instructions refers to mains-operated power tools (with
mains power lead) and battery
-operated power tools (without mains power cable).
1) Safety at the place of work
a) Keep your work area clean and well illuminated.
Untidiness and unlit work areas can result in accidents.
b) Never use the power tool in potentially explosive environments containing
flammable liquids, gases or dusts.
Power tools generate sparks which can ignite dust or vapours.
c) Keep children and other persons away from the power tool during use.
A moment’s distraction can cause you to lose control of the machine.
2) Electrical safety
a) The connecting plug of the power tool must fit in the plug socket. The plug
must not be modified in any way. Do not use adapter plugs in conjunction with
power tools with protective earth conductor.
Unmodified plugs and properly fitting plug sockets reduce the risk of electric shock.
b) Avoid physical contact with earthed surfaces such as pipes, heaters, cookers
and refrigerators.
There is an increased risk of an electric shock if your body is earthed.
c) Keep power tools away from rain and moisture.
The ingress of water into a power tool increases the risk of an electric shock.
d) Do misuse the cable in any way by using it to carry or hang up the power tool
or to pull the plug out of the socket. Keep the cable away from heat, oil, sharp
edges and moving machine parts.
Damaged or kinked cables increase the risk of an electric shock.
e) When working with a power tool outdoors, use only extension leads that are
suitable for outdoor use.
Use of an extension lead suitable for outdoor use reduces the risk of electric shock.
f) If the use of the power tool in a damp environment is unavoidable, use a resid-
ual-current circuit breaker.
Use of a residual-current circuit breaker (RCCB with 10 mA maximum tripping cur-
rent) reduces the risk of an electric shock.
5

For your Safety
3) Safety of persons
a) Always work carefully, attentively and sensibly when using a power tool. Do
not use the power tools if you are tired or are under the influence of drugs,
alcohol or medication.
A moment of inattention while using the power tool can result in serious injuries.
b) Wear personal protective equipment and always wear goggles.
The wearing of personal protective equipment, such as dust mask, non-slip safety
shoes, helmet or ear protectors, depending on the type and application of the power
tools, reduces the risk of injuries.
c) Avoid accidental switching on of the power tool. Ensure that the power tool is
switched off before connecting it to the mains power supply and/or connecting
the battery and before picking up or carrying the tool.
If you have your finger on the switch when carrying the power tool or you connect the
tool to the power supply when it is switched on, this can lead to accidents.
d) Remove the adjusting tools or wrenches before switching on the power tool.
A tool or wrench in a rotating part of the tool can result in injuries.
e) Avoid abnormal postures when working. Ensure you are standing firmly and
maintain your balance at all times.
This will enable you to control the power tool better in unexpected situations.
f) Wear suitable clothing. Do not wear loose clothing or jewellery. Keep your hair,
clothing and gloves away from moving parts.
Loose clothing, jewellery and long hair can get caught in moving parts.
g) If dust extraction and collection devices can be installed, ensure that these are
connected and are used correctly.
Use of a dust extraction system can reduce the hazards caused by dust.
4) Using and handling the power tool
a) Do not overload the tool. Use the power tool intended for your work.
You work better and safer within the given power range if you use the suitable power
tool.
b) Do not use a power tool whose switch is defective.
a power tool which can no longer be switched on or off is dangerous and must be re-
paired.
c) Remove the plug from the plug socket and/or remove the battery before carry-
ing out tool adjustments, changing accessories or placing the tool aside.
This precautionary measure prevents unintentional starting of the power tool.
6

For your Safety
d) Store power tools out of the reach of children when not in use. Do not allow
people to use the tool unless they are familiar with it, or if they have not read
this instruction manual.
Power tools are dangerous if they are used by inexperienced people.
e) Maintain power tools with care. Check whether moving parts are in proper
working order and do not jam, whether parts are broken or damaged in such a
way that they impair the function of the power tool. Have damaged parts
repaired before using the tool.
Many accidents are caused by poorly serviced and maintained power tools.
f) Keep cutting tools sharp and clean at all times.
Carefully maintained cutting tools with sharp cutting edges jam less easily and are
easier to control.
g) Use the power tool, accessories, cutting tools, etc. in accordance with this
instruction manual. Take into consideration the working conditions and the
work to be carried out.
Use of power tools for other than the intended applications can lead to dangerous
situations.
5) Service
a) Have your power tool repaired only by qualified personnel and only using
original spare parts.
This will ensure that the safety of the power tool is maintained.
Machine
-Specific Safety Instructions

Operating personnel requirements
•People below the age of 16 may not use the machine.

Workplace safety
•Secure the work area behind holes (in walls, etc.) you are cutting too.
Unsecured work areas can put you and other people at risk.
•Watch out for open and concealed electricity cables, and water and gas pipes.
Use suitable detectors to find concealed utility pipes and cables, or contact the
local utility company for advice.
Contact with electricity cables can cause fires and an electric shock. Damage to a
gas pipe can cause an explosion. Penetrating a water pipe causes damage to proper-
ty or could cause an electric shock.
•Secure the workpiece.
A workpiece securely held in clamping devices or a vice is more safely held than in
the hand.
•Avoid dust accumulation in the workplace.
Dusts can easily ignite.
•Ensure adequate ventilation in closed rooms.
Risk due to dust emission and visual impairment.
7

For your Safety
•Dust from materials such as coatings containing lead, several types of wood,
minerals and metals can be harmful to health and cause allergic reactions,
respiratory diseases and/or cancer.
Asbestos-containing material may only be machined by specialists.
−Where possible use dust extraction suitable for the material.
−Ensure the workplace is properly ventilated.
−We recommend wearing a face mask respirator with filter class P2 or P3
(to EN 149:2001).
Observe the relevant regulations in your country for the materials to be machined.
•Do not use the power tool near flammable materials.
Sparks could ignite these materials.
•Avoid causing situations where other people can stumble or trip.
Tripping over cables can cause serious injuries.

Electrical safety
•Check the power tool, connection cable and plug for damage before each use.
A damaged machine is dangerous and no longer safety to operate.
•
Note the mains voltage! The power source voltage must match the details given
on the rating plate of the power tool.
•If using the power tool with mobile generators, loss of power or atypical behav-
iour on switching on is possible.
•Do not use the power tool if the cable is damaged. Do not touch the damaged
cable and disconnect the mains plug if the cable is damaged while you are
working.
Damaged cables increase the risk of an electric shock.
•Only use extension cables suitable for the machine's power consumption and
which have a minimum core cross-section of 1.5 mm2. If you use a cable drum,
always completely unwind the cable.
The rolled up cable can heat up and start to burn.
•Regularly clean the ventilation slots of your power tool by blowing it out. Never
use liquids. Never insert screwdrivers or any other objects into the ventilation
slits. Do not cover the ventilation slits.
The motor fan draws dust into the housing and a large accumulation of metal dust
can cause electrical hazards.
•External electromagnetic interference (e.g. mains voltage fluctuations, electro-
static discharges) can cause the power tool to switch off automatically.
In this case, switch off the power tool and then switch it back on again.
8

For your Safety
Safety of people
•Wear personal protective equipment and, depending on the work situation, use:
Full-face protection, eye protection or safety glasses/goggles,
hard hat and special apron
Protect yourself against debris thrown up by wearing a hard hat, safety
goggles or face protection and wear an apron, if necessary.
Hearing protection
The typical A-weighted sound pressure level of this power tool is over
85 dB (A) while working with the tool.
If you are exposed to loud noise for lengthy periods, there is a risk of
hearing damage or even hearing loss.
Dust mask, half-face filter mask or face mask respirator
Inhaling fine mineral dust can cause health damage. We recommend
wearing a face mask respirator with filter class P2 or P3 (to EN
149:2001).
Dry drilling: Work with diamond dry core bits is a grinding process in
which very fine dust is produced. When drilling materials containing
quartz the risk of silicosis is very high; therefore, the machine may
therefore only be used in conjunction with the mounted extraction tube
and a suitable dust extractor.
Anti-vibration safety gloves
With an action value A (8) for arm-hand vibrations of over 2.5 m/s2
, the
wearing of anti-vibration safety gloves is recommended.
Vibrations can cause health damage.
Non-slip safety footwear
•Ensure other people keep a safe distance from your work area. Any
person entering the work area must be wearing personal protective
equipment.
Broken pieces of the workpiece or broken insert tools can fly off and cause
injuries, even outside the immediate work area.
•Hold the tool at the insulated gripping surfaces only when carrying out
work during which the insert tool can hit concealed electricity cables or
the tool's own mains power lead.
Contact with a live conductor can also energise metal parts of the tool and
cause an electric shock.
•Keep the mains power lead away from rotating insert tools.
If you lose control of the tool, the mains power lead can be cut or caught and
your hand or arm can be pulled into the rotating tool.
9

For your Safety
•Never put down the power tool until the insert tool has come to a complete
standstill.
The rotating insert tool can come into contact with the surface on which the power
tool is placed, which could cause you to lose control of the power tool.
•Do not leave the power tool running while you are carrying it.
Your clothing can get caught by inadvertent contact with the rotating insert tool and
the insert tool can drill into your body.
•If the machine is switched on, do not direct insert tools towards your own or
other people's bodies. Do not touch or take hold of the tools.
•Unlock the ON/OFF switch and move it into the OFF position if the power sup-
ply is interrupted, e.g. due to power failure or disconnecting the mains plug.
This prevents uncontrolled restarting.

Hazards when using and handling the power tool
•If the machine is used for hand-held drilling, always hold both handles firmly
when switching on and while working with the machine. (The additional handle
must be tightly screwed onto the drill!). When switching on and while working
with the machine, expect reaction torques (e.g. due to sudden jamming or
breakage of the insert tool).
•The On / Off switch must not be locked if using the drill for hand-held drilling.
•Do not use any accessories. which have not been especially provided and rec-
ommended for this power tool by the manufacturer.
Just because you can attach the accessories to your power tool is not a guarantee of
safe use.
•The allowable speed of the insert tool must be at least as high as the maximum
speed given on the power tool.
Accessories which rotate faster than approved can break and fly off the tool.
•Change insert tools carefully and only use the mounting tools provided, if they
are in perfect condition. Disconnect the mains plug before changing the insert
tool.
Use of the mounting tool provided prevents damage to the power tool and insert tool.
•Never use damaged insert tools. Before each use, check insert tools for splin-
ters and cracks. If the power tool or insert tool is dropped or falls, check
whether it is damaged, or use an undamaged insert tool. If you have checked
and inserted the insert tool, keep yourself and other people nearby outside the
plane of the rotating insert tool and let the power tool run at maximum speed
for one minute.
Most damaged insert tools break during this test period.
•Do not expose power tools to extreme heat and cold.
Mechanical and electrical damage can occur during extreme heat and/or cold.
10

For your Safety
•Allow the insert tools, tool holders and other parts cool in the immediate
vicinity of the work area after use.
The machines can be very hot after use, do not touch the parts, risk of injuries.
•Additional signs or other, non-TYROLIT-specific parts may not be screwed or
riveted onto the motor, handle, gearbox or protective housing.
This could damage the power tool and cause malfunctions.
•Never place your hand near rotating insert tools.
The insert tool can move across your hand during kickback.
•Avoid unnecessary noise emissions.
•Note and follow the safety and work instructions for the accessories used.
Service / Maintenance / Repair
•Have the power tool checked if it has been dropped or become wet.
A possibly damaged power tool is dangerous and no longer safe to operate. Have the
power tool checked by our customer service department or a workshop authorised by
TYROLIT before further use.
•Repair and maintenance work may only be carried out by a workshop author-
ised by TYROLIT.
Otherwise all liability and warranty claims against TYROLIT expire.
•Ensure that original TYROLIT spare parts and original TYROLIT accessories
only are used when needed.
Original parts are available from authorised dealers. Use of non original parts can
cause damage to the machine and an increased risk of accidents.
•Regular servicing by TYROLIT or a servicing and repair firm authorised by
TYROLIT is a specified requirement.
Many accidents are caused by poorly serviced and maintained power tools.
11

Technical Characteristics
Technical specifications
Dry drilling motor
DME19DPP
Operating voltage (V / Hz)
~230 / 50-60
~110 / 50-60
Power consumption (watt)
1800
Protection class
two / II
speed (min-1)
1150
Impact frequency (imp)
28000
Core bit diameter min./ max. (mm)
52 / 162
Bit holder (inch)
1¼ UNC and G½
Weight (kg)*
5.2
Speed electronics
Yes
LpA (sound pressure) dB (A) **
K = 3 dB
92
LWA (sound power) dB (A) **
99
Vibration measurement (m/s2)**
K = 1.5 m/s2
5.5
* Weight according to EPTA procedure 01/2003.
** Noise and vibration values to EN 60745.
Machine characteristics
The dry drilling motor has especially developed electronics with soft start. It monitors the
speed and the
red / green indicator lights help to achieve the most favourable work
progress and ther
efore tool-protecting working conditions.
Visual display
Green:
Speed for optimum drilling performance
green / red:
Speed within the limit range
Re
d: Speed too low – stopping
If this warning signal is ignored, i.e. the feed is not reduced, the electronics switch off on
overload. After the core bit has stopped, remove it from the drill hole. The machine can
be immediately restarted.
The machines are a
lso equipped with a soft impact mechanism. It protects the diamond
segments of the core bits, allows faster working and carries the drill dust away from the
diamond segments, which in turn enables a longer tool life for the diamond core bits.
12

Declaration of Conformity
Dry drilling motor DME19DPP
We confirm with sole responsibility that this machine conforms to the
following directives and standards
Applied directive(s)
2006/42/EC; 2014/30/EU; 2011/65/EU
Applied standards
EN 60745
TYROLIT Hydrostress AG
Witzbergstrasse 18
CH-8330 Pfäffikon
Switzerland
Pfäffikon, 19.12.2014
Pascal Schmid
Head of Development
Scope of Supply
Please refer to the enclosed delivery note for the individual scope of supply of a custom-
er
-specific order.
Please refer to the table below for the scope of supply of basic models. Please contact
your dealer if parts are missing or damaged
.
Diamond drill
TYROLIT
Number
Version
230 V
Version
110 V
Accessories
• Centring tip
• Extraction
tube
Machine
case
DME19DPP
10988200
x
x
x
10987700
x
x
x
x = included in scope of supply
13

Machine Parts and Controls
1 Green LED
2 Red LED
3 Lock for ON / OFF switch
4 ON / OFF switch
5 Handle
6 Connection cable
7 Additional handle (can be mounted for left and right-handed persons)
8 Open-ended spanner SW36
9 Open-ended spanner SW41
10
Extraction tube
11
Clip for fastening extraction tube
12
Socket for dust extractor hose connection
13
Soft impact feature ON / OFF switch
14
Internal thread G½″
15
External thread 1¼″ UNC
16
Output shaft
14

Tools and Accessories
Accessories:
•
Centring tip (450 mm long) TYROLIT No. 10995373
•
Centring tip (250 mm long) TYROLIT No. 10997916
•
Centring wingnut*
•
Extraction pin G½ TYROLIT No. 10995156
•
ModulDrill collar adapter plate TYROLIT No. 10995087
•
O-rings, replacement TYROLIT No. 10995372
•
Sharpening plate TYROLIT No. 497322
•
Chisel TYROLIT No. 980304
* depending on diameter of the core bit - see TYROLIT catalogue
Tools:
•
Open-ended spanner SW36 TYROLIT No. 973777
•
Open-ended spanner SW41 TYROLIT No. 973779
Intended Use
The dry drilling motor may only be used for dry drilling.
The dry drilling motor is designed both for hand-held mode and for use with a drill stand.
The dry drilling motor is intended to be used for drilling and cutting holes for junction
boxes in mineral materials such as concrete, reinforced concrete, clay bricks, lime
-sand
blocks or undressed stone.
Please note!
The following materials may not be drilled: wood, metal and glass, etc.
15

Before Starting Work
Note and follow the following points before each use to ensure safe working with the dry
drilling motor:
• Read through all safety instructions and warnings in this instruction manual.
•
Check whether the voltage on the rating plate is identical with the mains voltage.
•
Before each use, check the dry drilling motor, connection cable, plug and tight fit of
the core bit.
•
Use diamond dry core bits recommended by TYROLIT only.
•
Inform and consult the responsible structural engineer, architect or the responsible
site engineer about planned drilling. Cut through reinforcement only with the approval
of a structural engineer.
•
Before drilling holes drilling objects, check the rooms concerned for obstructions and
block off this area. Use formwork to secure the drill core against falling.
•
Always note the thread dimension of the diamond dry core bit arbor. The thread of the
diamond dry core bits must fit on the thread of the dry drilling motor (G½" internal
thread or 1¼" UNC external thread) without any clearance. Do not use reducers or
adaptors to fit the diamond dry core bits.
•
Visually inspect the condition of the diamond dry core bit.
Please note!
Damaged diamond dry core bits may not be used and must be replaced immediately.
•
The additional handle must be tightly screwed onto the drill for hand-held drilling.
•
Wear protective clothing such as hard hat, hearing protection, face protection or safety
goggles, suitable half-face filter mask, slip-resistant safety footwear and if necessary
an apron.
• Fitting/dismantling the extraction tube (Figure 1)
The extraction tube must be fitted for drilling (Figure 1) to enable a suitable dust ex-
tractor to be connected.
Danger!
Risk of fatal injuries due to electric shock.
►Disconnect the mains plug before carrying out any work on the dry drilling motor.
Figure 1
Dismantle extraction tube (Figure 1):
– Press the spring clip (1) in the direction of the arrow (A) until the legs of the clip
unlatch from the groove of the gearbox extension.
– Remove the extraction tube (2) from the front (B) above the output shaft (3).
16

Before Starting Work
Switching soft impact feature on and off (Figure 2 and Figure 3)
Attention!
Only press th
e soft impact feature ON / OFF changeover switch if the power tool is
switched off.
Figure 2
Figure 3
Switch the drill's soft impact feature on or off, depending on the material to be drilled
(Figure 2 and Figure 3).
Drilling with so
ft impact: Concrete and other hard materials.
Drilling without soft impact feature: abrasive materials and materials with low hardness.
•
Switch on soft impact feature:
Pull the diamond dry core bit towards the front and hold
tight. Press the side of the soft impact switch marked
green (1) (Figure 2).
•
Switch off soft impact feature:
Pull the diamond dry core bit towards the front and hold
tight. Press the side of the soft impact switch marked
black (2) (Figure 3).
• Danger!
Risk of fire if cable drums used.
►If cable drums are used, ensure the cable is completely unwound. The rolled up
cable can heat up and start to burn.
17

Operation and Control
Fitting or replacing the diamond dry core bit (Figure 4)
The diamond dry core bit is chosen for the required drilling diameter and is screwed onto
the G½″
internal thread or 1¼″ UNC external thread of the output shaft.
Please note!
If the dry drilling motor is used in a drill stand, the machine must be fixed in the motor
collar before the di
amond dry core bit is fitted.
Danger!
Risk of fatal injuries due to electric shock.
►
Disconnect the mains plug before carrying out any work on the dry drilling motor.
Danger!
Risk of injury due to hot core bits.
►
The diamond dry core bit can get hot if used for a lengthy time. Wear safety gloves
when changing the hot core bit or allow the core bit to cool first.
Figure 4
• Screw the diamond dry core bit (2) onto the 1¼″ UNC external thread or the diamond
dry core bit (3) into the G½″ internal thread of the drive shaft (1), up to the limit stop.
•
Use an open-ended spanner SW 36 to hold the drive shaft tight (1).
•
Tighten the diamond dry core bit (2) using an open-ended spanner SW 41.
•
Tighten the diamond dry core bit (3) using an open-ended spanner SW 22 or SW 24.
Please note!
Check the fit and condition of the diamond dry core bit. A damaged diamond dry core
bit may not be used and must be replaced immediately.
18

Operation and Control
Hand-held drilling
Using the centring tip (Figure 5 to Figure 8)
The centring tip can only be used with diamond dry core bits, which are screwed onto
the 1¼″ UNC external thread of the output shaft.
Figure 5
Figure 6
• Select a TYROLIT centring wingnut (2) according to the diamond dry core bit diameter
and push onto the centring tip (1) up to the lock washer (3).
Figure 7
Figure 8
• Push the centring tip (1) with the centring wingnut (2) through the diamond dry core bit
(4) and into the output shaft.
•
F
igure 8 shows the correct fit of the centring tip (1) with the centring wing nut (2) in the
diamond dry core bit (4).
19

Operation and Control
Connecting the dust extractor to the extraction tube (Figure 9)
Figure 9
• Check the dust extractor function and then push the dust extractor hose (3) firmly onto
the socket (2) of the extraction tube (1).
Please note!
Greater effort may be required to push on the suction hose in cold ambient
temperatures.
Switching on the dry drilling motor and drilling
Before starting up the dry drilling motor, check all the points described in the “Before
starting work” chapter (see pages 16 and 17).
Drilling a centring hole (Figures 10 and 11)
Attention!
The diamond dry core bit can
be irreparably damaged by overheating or jamming in the
core drill hole.
►A suitable dust extractor must be connected to the dry drilling motor.
Figure 10
Figure 11
2
20