will cause slower drilling speeds, overheating, and a lower drilling
rate.
2. 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.
3. 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.
4. For masonry, use carbide-tipped bits or masonry bits. A smooth
even flow of dust indicates the proper drilling rate.
Chipping and Chiselling (Fig. 1)
1. Set the mode selector switch (G) to the hammering only position.
2. Insert the appropriate chisel and rotate it by hand to lock it.
3. Adjust the side handle (C) as required.
4. Ensure chisel is in contact with work surface before depressing
the trigger switch.
5. Always fully release the trigger switch when work is finished and
before unplugging.
MAINTENANCE
WARNING: To reduce the risk of injury, turn unit off and
disconnect tool from power source before installing and
removing accessories, before making any adjustments or
removing/installing attachments or accessories. An accidental
start-up can cause injury.
Your D
WALT power tool has been designed to operate over a
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long period of time with a minimum of maintenance. Continuous
satisfactory operation depends upon proper tool care and regular
cleaning.
Lubrication
Your power tool requires no additional lubrication.
Motor Brushes
D
WALT uses an advanced brush system which automatically stops
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the drill when the brushes wear out. This prevents serious damage
to the motor. New brush assemblies are available at authorized
D
WALT service centers. Always use identical replacement parts.
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Cleaning
WARNING: Blow dirt and dust out of the main housing with dry air
as often as dirt is seen collecting in and around the air vents. Wear
approved eye protection and approved dust mask 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 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.
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
personnel, always using identical replacement parts.
Accessories
WARNING: Since accessories, other than those offered by
D
WALT, have not been tested with this product, use of such
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accessories with this tool could be hazardous. To reduce the risk of
injury, only D
WALT, recommended accessories should be used with
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this product.
Recommended accessories for use with your tool are available at extra
cost from your local dealer or authorized service center.
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