DeWalt DCD991 Instruction Manual page 17

4. When drilling deep holes, if the hammer speed starts to drop off,
pull the bit partially out of the hole with tool still running to help
clear debris from the hole.
NOTE: A smooth, even flow of dust from the hole indicates proper
drilling rate.
MAINTENANCE
WARNING: To reduce the risk of serious personal injury,
turn tool off and remove the battery pack before making any
adjustments or removing/installing attachments or accessories.
An accidental start-up can cause injury.
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.
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.
CHARGER CLEANING INSTRUCTIONS
WARNING: Shock hazard. Disconnect the charger from the AC
outlet before cleaning. Dirt and grease may be removed from the
exterior of the charger using a cloth or soft non-metallic brush. Do not
use water or any cleaning solutions.
Accessories
WARNING: Since accessories, other than those offered by D
have not been tested with this 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.
Recommended accessories for use with your tool are available at
extra cost from your local service center. If you need any assistance
in locating any accessory, please contact D
701 East Joppa Road, Towson, MD 21286, call 1-800-4-D
(1-800-433-9258) or visit our website: www.dewalt.com.
MAXIMUM RECOMMENDED CAPACITIES
WOOD
Auger
Paddle
Twist
Self-feed
Hole saw
METAL
Twist
Hole saw
MASONRY
Carbide
Repairs
The charger and battery pack are not serviceable. There are no
serviceable parts inside the charger or battery pack.
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To assure product SAFETY and RELIABILITY, repairs, maintenance
and adjustments should be performed by a D
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15
WALT Industrial Tool Co.,
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DCD991 DCD996
1-1/4" (32 mm) 1-1/4" (32 mm)
1-1/2" (38 mm) 1-1/2" (38 mm)
1/2" (13 mm) 1/2" (13 mm)
2-9/16" (65 mm) 2-9/16" (65 mm)
4" (100 mm) 4" (100 mm)
1/2" (13 mm) 1/2" (13 mm)
1-3/8" (35 mm) 1-3/8" (35 mm)
– 1/2" (13 mm)
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