DeWalt DW999 Guide D'utilisation page 10

NOTE: Large (5/16" to 1/2") holes in steel can be made easier if a pilot
hole (5/32" to 3/16") is drilled first.
DRILLING IN WOOD
An 'SDS shank to round shank' adapter chuck is required. Ensure
that tool is in rotation only mode. Start drilling with slow speed and
increase to full power while applying firm pressure on the tool. Holes in
wood can be made with the same twist drills used for metal. These bits
may overheat unless pulled out frequently to clear chips from the flutes.
Work that is apt to splinter should be backed up with a block of wood.
DRILLING IN MASONRY
When drilling in masonry, use carbide tipped bits rated for percussion
drilling and be certain that the bit has adequate carbide on the tip.
Ensure that the rotary hammer mode is selected. Use a constant and
firm force on the tool to drill most effectively. A smooth, even flow of
dust indicates the proper drilling rate.
Depth Rod
To adjust the depth rod, loosen the handle and move rod so that the
distance between the end of the rod and the end of the bit equals the
desired drilling depth. When drilling with depth rod, stop when end of
rod reaches surface of material.
Maintenance
CLEANING & LUBRICATION
Use only mild soap and damp cloth to clean the tool. Never let any liquid
get inside the tool; never immerse any part of the tool into a liquid.
Self-lubricating bearings are used in the tool and periodic relubrication
is not required. If service is needed, take your tool to an authorized
service location.
Accessories
Recommended accessories for use with your tool are available for
purchase from your retailer or local service center.
All manuals and user guides at all-guides.com
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CAUTION: The use of any non-recommended accessory may be
hazardous.
MAXIMUM RECOMMENDED CAPACITY - DW999
RPM 0 - 1,100
BPM 0 - 4900
BITS, METAL DRILLING 1/2"
BITS, FLAT BORING 1"
BITS, MASONRY 7/8" BIT - CONCRETE, BRICK, BLOCK
Repairs
To assure product SAFETY and RELIABILITY, repairs, maintenance
and adjustment (including brush inspection and replacement) should
be performed by authorized service centers or other qualified service
organizations, always using identical replacement parts.
Full Warranty
D WALT heavy duty industrial tools are warranted for one year from
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date of purchase. We will repair, without charge, any defects due to
faulty materials or workmanship. For warranty repair information, call
1-800-4-D WALT. This warranty does not apply to accessories or
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damage caused where repairs have been made or attempted by
others. This warranty gives you specific legal rights and you may have
other rights which vary in certain states or provinces.
In addition to the warranty, D WALT tools are covered by our:
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30 DAY NO RISK SATISFACTION GUARANTEE
If you are not completely satisfied with the performance of your
D WALT heavy duty industrial tool, simply return it to the participating
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seller within 30 days for a full refund. Please return the complete unit,
transportation prepaid. Proof of purchase may be required.
FREE WARNING LABEL REPLACEMENT: If your warning labels
become illegible or are missing, call 1-800-4-DEWALT for a free
replacement.