6
OPERATION
INSTALL/REMOVE A DRILL BIT
1) Open the chuck by turning the chuck counterclockwise.
2) Insert the bit shaft into the chuck.
3) Insert the chuck key into each hole in the side of the chuck and turn clockwise
until tight.
4) To remove the drill bit, insert the chuck key into each hole in the side of the
chuck and turn
counter clockwise until loose.
OPERATING
Never cover air vents since they must always be open for proper motor cooling.
1) DRILLING IN WOOD. To prevent ugly splits around the drilling on the reverse
side of the workpiece, place a scrap piece of timber beneath the material to be
drilled.
2) DRILLING IN METAL. Metals such as steel brass and aluminum sheets stainless
steel and pipe may also be drilled. Mark the point to be drilled with a nail or a punch.
3) DRILLING IN CONCRETE. Rock and masonry are generally drilled in the impact
mode. When drilling delicate materials such as wall tiles, it is essential to start with
ordinary drilling and once the tile is pierced, to continue with impact drilling. In deep
bore the drill bit should be pulled out occasionally in order to remove the dust and
chips from the hole.
MAINTENANCE
1) Don’t make any adjustments while the motor is in motion.
2) Always disconnect the electric cord from the power source before mounting the
drill bit,
changing brushes or lubricating.
3) After use, check your tool to keep it in top condition.
4) Clean out accumulated dust.
5) When the carbon brushes are worn to the standard line, they must be replaced.
If the carbon brushes need to be replaced, have this done by a qualified repair
person. (Always replace the two brushes at the same time.)
6) Disconnect the mains plug before conducting any maintenance on the tool.
CAUTION! This product has been marked with a symbol relating to removing
electric and electronic waste. This means that this product shall not be discarded
with household waste but that it shall be returned to a collection system which
conforms to the European WEEE Directive. Contact your local authorities or
stockist for advice on recycling. It will then be recycled or dismantled in order to
reduce the impact on the environment. Electric and electronic equipment can be
hazardous for the environment and for human health since they contain hazardous
substances.
Summary of Contents for GY-DI-10500-1
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