DeWalt DCD790 Manual De Instrucciones página 15

FIG. 8 FIG. 9
C
DRILLING
SCREWDRIVING
Hammerdrilling (Fig. 10)
1. Select the desired speed/torque range using the gear shifter to
match the speed and torque to the planned operation. Turn the
collar (C) to the hammerdrill symbol.
IMPORTANT: Use carbide-tipped or masonry bits rated for
percussion drilling only.
2. Drill with just enough force on the hammer to keep it from bouncing
excessively or "rising" off the bit. Too much force will cause slower
drilling speeds, overheating, and a lower drilling rate.
3. Drill straight, keeping the bit at a right angle to the work. Do not
exert side pressure on the bit when drillling as this will cause
clogging of the bit fl utes and a slower drilling speed.
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 fl ow of dust from the hole indicates proper
drilling rate.
MAINTENANCE
FIG. 10
WARNING: To reduce the risk of serious personal injury,
C
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.
HAMMERDRILLING
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 dealer or authorized service center. If you
need assistance in locating any accessory, please contact D
Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286, call
1-800-4-D
com.
13
WALT (1-800-433-9258) or visit our website: www.dewalt.
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WALT,
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WALT
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