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Segments look glazed and polished
• Drill in abrasive material to re-expose diamond
segments.
Evacuated water too clear and too fluid
Water flow slows down the cutting action and
prevents the diamond segments to self-sharpen.
• Reduce water flow.
Dust accumulating in core bit
Accumulating dust slows down the drilling speed.
• Use the appropriate dust extraction device.
• Disengage drill bit regularly to evacuate cuttings.
Rotating speed not appropriate
• Refer to the technical data for proper speed
ratings.
Segments and core are burnt
• Increase water flow.
Segments wear too fast
• Choose a more appropriate core bit
(with harder segments).
• Reduce the pressure applied on the core bit.
Lubrication
Your power tool requires no additional lubrication.
Dust Extraction (dry operation)
WARNING: When performing a
dry cutting operation, connect a
dust extraction device designed in
accordance with the relevant regulations
regarding dust emissions.
Cleaning
WARNING: Blow dirt and dust out of
the main housing with dry air as often as
dirt is seen collecting in and around the
air vents. Wear approved eye protection
and approved dust mask when
performing this procedure.
WARNING: Never use solvents or
other harsh chemicals for cleaning the
non-metallic parts of the tool. These
chemicals may weaken the materials
used in these parts. Use a cloth
dampened only with water and mild
soap. Never let any liquid get inside the
tool; never immerse any part of the tool
into a liquid.
Optional Accessories
WARNING: Since accessories, other
than those offered by D
not been tested with this product, use
of such accessories with this tool could
be hazardous. To reduce the risk of
injury, only D
WALT, recommended
E
accessories should be used with this
product.
Consult your dealer for further information on the
appropriate accessories.
DUST EXTRACTION SYSTEM (FIG. 7)
The D27902 dust extractor (j) ensures a proper and
safe discharge of dust in all drilling applications.
WATER PUMP (FIG. 8)
Removing debris from the working area and cooling
the core bit in wet applications, the D215824 water
pump (l) ensures water supply where main water
supply is not available.
DRILL STAND (FIG. 1, 8)
The D215831 drill stand (k) allows your diamond drill
to be used in stationary applications for increased
accuracy, comfort and stability.
The D215832 water collection ring (m) is required
to accommodate the assembly for wet drilling
applications.
WARNING: DO NOT use the stand with
a vacuum pump on a wall or ceiling.
Protecting the Environment
Separate collection. This product must
not be disposed of with normal
household waste.
Should you find one day that your D
needs replacement, or if it is of no further use to
you, do not dispose of it with household waste.
Make this product available for separate collection.
Separate collection of used products
and packaging allows materials to be
recycled and used again. Re-use of
recycled materials helps prevent
environmental pollution and reduces
the demand for raw materials.
ENGLISH
WALT, have
E
WALT product
E
37
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