Connecting To The Mains Supply; Wearing Parts - Hilti DD-80 E Manual De Instrucciones

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7.17 Connecting to the mains supply

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8. Operation
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9. Maintenance
9.1In order to ensure trouble-free operation, the following points
must be observed:
1 Motor unit
Keep the chuck clean and well
lubricated.
Keep the ventilation slots in the
motor housing free of dirt and dust.
Check the system regularly for
water leakage.
Entsorgung
10. Disposal
Return waste material for recycling
Most of the materials from which Hilti tools or machines are manufactured can be
recycled. The materials must be correctly separated before they can be recycled. In
many countries, Hilti has already made arrangements for taking back your old
machines or tools for recycling. Please ask your Hilti customer service department or
Hilti sales representative for further information.
Disposal of drilling slurry
With regard to environmental aspects, allowing drilling slurry to flow directly into
rivers, lakes or the sewerage system without suitable pre-treatment is problematical.
Ask the local authorities for information about applicable regulations.
We recommend the following pre-treatment:
Collect the drilling slurry (e.g. use a wet-type industrial vacuum cleaner).
Allow the slurry to settle and dispose of the solid material at a construction waste
disposal site (the addition of a flocculent may accelerate the settling process).
Water from the drilling slurry (alkaline, ph value > 7) should be neutralized by adding
an acidic neutralizing agent or large quantity of water before it is allowed to flow into
the sewerage system.
Only for EU countries
Do not dispose of electric tools together with household waste material!
In observance of European Directive 2002/96/EC on waste electrical and
electronic equipment and its implementation in accordance with national
law, electric tools that have reached the end of their life must be
collected separately and returned to an environmentally compatible
recycling facility.
Printed: 07.07.2013 | Doc-Nr: PUB / 5069607 / 000 / 00
1. Plug – type depends on country
2. PRCD ground fault interruptor
3. ON-switch for PRCD (ON)
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4. Test button (TEST)
5. Indicator
6. Supply cord
7. Monitor unit ON / OFF switch
The PRCD interruptor must be tested
for correct operation each time before
beginning work.
1. Select the correct drilling speed.
(Change speed only when rotation
has stopped)
2. Release the carriage locking device.
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3. Guide the core bit into the water
collector.
4. Open the water supply valve.
5. Switch on the motor.
Pay attention to the overload indicator
(6) while drilling. When using a vacuum
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basplate, the vacuum indicator (7)
must remain within the green area.
2 Carriage
The guide rollers require no mainte-
nance.
Keep the motor unit mounting sur-
face clean.
If movement is too easy, the guide
rollers should be adjusted by a
trained specialist.
3 Rails
Keep the rails clean
Internal tapers must be kept clean
and lubricated
4 Baseplate
With the exception of the seals, the
baseplates require no maintenance.
1. Check that the motor is switched
off.
2. Connect the plug to the mains
supply.
3. Press the ON button. The lamp
must light!
4. Press the TEST button. The lamp
must extinguish!
5. Press the ON button again before
beginning operation.
In the case of a malfunction (test
failed), the unit must be checked by
an electrical specialist before work
with the equipment continues!
Tips
Reduce feed pressure and tighten
carriage locking device slightly when
starting holes in order to avoid vibra-
tion.
If steel reinforcement is contacted,
select lower drilling speed and
reduce water flow.
(Obtain permission from authorised
person before cutting through steel
reinforcement.)
The diamond segments can beco-
me polished (reduced cutting per-
formance) if drilling feed pressure is
too low.
Inadequate water flow will cause
the core bit to overheat, resulting in
permanent damage.

9.2 Wearing parts

Seals for the DD-BA-3 and DD-
BAV-4 vacuum baseplates
Sealing discs for the DD-WC-S
water collector
Sealing ring for the water collector
In case of technical problems
please contact the Hilti customer
service department.
11. Warranty
Hilti warrants that the product supplied is
free of defects in material and workman-
ship. This warranty is valid as long as the
product is operated and handled correctly,
cleaned and serviced properly and in
accordance with the Hilti operating
instructions, all warranty claims made
within 6 months (machine) or 12 months
(other items of equipment) from the date
of the sale (invoice date), unless other
mandatory national regulations prescribe
a longer minimum period, and the
technical system is maintained. This
means that only genuine Hilti consu-
mables, components and spare parts may
be used with the product.
This warranty provides the free-of-charge
repair or replacement of defective parts
only. Parts requiring repair or replacement
as a result of normal wear and tear are not
covered by this warranty.
Reduce drilling feed pressure if the
overload indicator is activated (lamp
lights).
Water flow rates
8 -– 47 mm dia. max. 1 – 1.5 l/min.
52 – 82 mm dia. max. 3 l/min.
Additional claims are excluded, unless
stringent national rules prohibit such
exclusion. In particular, Hilti is not
obligated for direct, indirect, incidental
or consequential damages, losses or
expenses in connection with, or by
reason of, the use of, or inability to use
the product for any purpose. Implied
warranties of merchantability or fitness
for a particular purpose are specifically
excluded.
Send the product and/or related parts
immediately upon discovery of a defect to
the local Hilti marketing organization for
repair or replacement.
This constitutes Hilti's entire obligation
with regard to warranty and supersedes
all prior or contemporaneous comments
and oral or written agreements
concerning warranties.
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