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adjustment collar. Reset the torque adjustment collar (E) to the
appropriate number setting for the torque desired.
4. Always start with lower torque settings, then advance to higher
torque settings to avoid damage to the workpiece or fastener.
NOTE: The torque adjustment collar may be set to any number at any
time. However, the torque adjustment collar is only engaged during
screwdriving mode and not in drill and hammerdrill modes.
Hammerdrilling (Fig. 6)
1. Select the desired speed/torque range using the gear shifter to
match the speed and torque to the planned operation. Set the
mode control collar to the hammer 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 drilling as this will cause
clogging of the bit flutes 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 the 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 disconnect tool from power source before
making any adjustments or removing/installing attachments
or accessories.
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
EWALT, 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
EWALT 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
EWALT
Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286, call
1-800-4-D
EWALT (1-800-433-9258) or visit our website: www.dewalt.
com.
English
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