DeWalt DCD471 Guide D'utilisation page 13

nOTE: Always use core bits designed for dry drilling.
Troubleshooting Drilling in Masonry
Problem
Core bit does not cut.
Material too hard for core bit.
Segments look glazed and polished • Drill in abrasive material to
Dust accumulating in core bit.
Accumulating dust slows down the
drilling speed.
Rotating speed may not be
appropriate.
Segments wear too fast.
MAINTENANCE

WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories. An
accidental start-up can cause injury.
Repairs
The charger and battery pack are not serviceable. There are
no serviceable parts inside the charger or battery pack.

WARNING: To assure product SAFETY and
RELIABILITY, repairs, maintenance and adjustment
(including brush inspection and replacement, when
applicable) should be performed by a D
service center or a D WALT authorized service center.
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Always use identical replacement parts.
Cleaning

WARNING: Blow dirt and dust out of all air vents with
clean, dry air at least once a week. To minimize the risk
of eye injury, always wear ANSI Z87.1 approved eye
protection 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 plastic
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.
Accessories

WARNING: Since accessories, other than those
offered by D WALT, have not been tested with this
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product, use of such accessories with this tool could be
hazardous. To reduce the risk of injury, only D
recommended accessories should be used with
this product.
Solution
• Choose a more appropriate core bit
(with softer segments).
re-expose diamond segments.
• Disengage drill bit regularly to
evacuate cuttings. Check filter on
dust extraction. Clean or replace
as required.
• Refer to the Maximum
Recommended Capacities for
proper speed ratings.
• Choose a more appropriate core bit
(with harder segments).
• Reduce the pressure applied on
the core bit.
WALT factory
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WALT
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Recommended accessories for use with your tool are
available at extra cost from your local dealer or authorized
service center. If you need assistance in locating any
accessory, please contact D WALT call 1-800-4-D
e
(1-800-433-9258) or visit our website: www.dewalt.com.
MAXiMUM RECOMMEnDED CAPACiTiEs
E-Clutch® System
Mechanical Clutch
RPM
WOOD
Auger
Self-feed 4-5/8" (117 mm)
Hole saw 6-1/4" (158 mm)
METAl
Twist
MAsOnRY
Diamond core bit
Aerated concrete block/
breeze block/cinderblock
Brick
NOTE: Quick release hex chuck accepts 7/16'' (11.1 mm) bits and
accessories only.
Register Online
Thank you for your purchase. Register your product now for:
• WARRAnTY sERViCE: Registering your product will
help you obtain more efficient warranty service in case
there is a problem with your product.
• COnFiRMATiOn OF OWnERshiP: In case of an
insurance loss, such as fire, flood or theft, your
registration of ownership will serve as your proof
of purchase.
FOR YOUR sAFETY: Registering your product will
•
allow us to contact you in the unlikely event a safety
notification is required under the Federal Consumer
Safety Act.
• Register online at www.dewalt.com
Three Year Limited Warranty
D WALT will repair or replace, without charge, any defects
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due to faulty materials or workmanship for three years
from the date of purchase (two years for batteries). This
warranty does not cover part failure due to normal wear
or tool abuse. For further detail of warranty coverage and
warranty repair information, visit www.dewalt.com or
call 1-800-4-D WALT (1-800-433-9258). This warranty does
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not apply to accessories or damage caused where repairs
have been made or attempted by others. THIS LIMITED
WARRANTY IS GIVEN IN LIEU OF ALL OTHERS, INCLUDING
THE IMPLIED WARRANTY OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, AND EXCLUDES
ALL INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some
English
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LOW SPEED HIGH SPEED
YES YES
YES NO
0–400 0–1320
2" (51 mm) 2" (51 mm)
4-5/8" (117 mm)
6" (152 mm)
1/2" (13 mm) 5/16" (8 mm)
6" (152 mm) 6" (152 mm)
5" (127 mm) 5" (127 mm)
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