Maintenance - Defort DBD-16N-1 Bedienungsanleitung

CLAMPING THE WORKPIECE
Fig.H
The drill bench and the footplate of the bench drill are
provided with grooves for fastening clamping tools. Always
clamp the workpiece in the machine clamp or other clamp-
ing tools. In this way you will prevent accidents and even
increase the drilling accuracy because the workpiece is in
a fi xed position.
ADJUSTING THE BENCH
Fig.I
The drill bench is fastened to the drill column and can be
adjusted in height after loosening the fastening handle.
Adjust the bench in such a way that there is still enough
space between the top of the workpiece and the point of
the drill. You can also swivel the bench sideways, if you
wish to clamp a workpiece directly onto the footplate.
Fig.J
For slanted drilling and with a slanted supporting surface of
the workpiece the bench can be swivelled. For this purpose
loosen the hexagonal screw (20) on the hinge point (21) of
the bench and remove the centring. Swivel the bench (19)
to the desired position. Then screw down the hexagonal
screw (20) properly using a wrench.
NUMBER OF REVOLUTIONS, SPEED OF
ROTATION, SUPPLY
The supply - the feed motion of the drill - takes place by
hand on the 3-armed drill lever. The speed of rotation is
determined by the number of revolutions of the drill spindle
and by the diameter of the drill.
The correct choice of supply and the number of revolu-
tions of the drill spindle are the deciding factors for the
lifespan of the drill. The following applies as a basic rule:
with a larger diameter of the drill the number of revolutions
must be adjusted lower; the greater the fi rmness of the
workpiece, the greater the cutting pressure must also be.
In order not to overheat the drill in this case, the supply
and speed of rotation must be lowered at the same time. In
addition, the drill must be cooled with drill oil.
For thin plates, quite large drillings must be carried out
carefully with little supply and little cutting pressure, so as
to get a precise result and so that the drilling remains the
correct size. For deep drilling (larger than 2 x the diameter
of the drill) the discharge of chips is more diffi cult and the
temperature of the drill is higher.
Therefore lower the supply and the number of revolutions
and ensure a better discharge of chips by regularly pulling
back the drill. For drilling with a greater diameter than 8
mm, pre-drilling must take place, so that early wear of the
drill - main cutting edge can be avoided and so that the
drilling point is not too heavily loaded.

MAINTENANCE

Make sure that the machine is not live when car-
rying out maintenance work on the motor.
The SBM Group machines have been designed to operate
over a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon proper
machine care and regular cleaning.
CLEANING
Keep the ventilation slots of the machine clean to prevent
overheating of the engine.
Regularly clean the machine housing with a soft cloth, pre-
ferably after each use. Keep the ventilation slots free from
dust and dirt.
If the dirt does not come off use a soft cloth moistened with
soapy water. Never use solvents such as petrol, alcohol,
ammonia water, etc. These solvents may damage the
plastic parts.
LUBRICATION
The machine do not need to be greased. All bearings and
driving gears are maintenance-free and greased for life.
The drill must be cleaned with compressed air or a dry
cloth. It is advisable to clean the blank parts from time to
time with environmentally friendly solvents and to only
grease with acid-free oil or grease.
FAULTS
Should a fault occur, e.g. after wear of a part, please con-
tact your local SBM Group dealer.
In the back of this manual you fi nd an exploded view show-
ing the parts that can be ordered.
ENVIRONMENT
In order to prevent the machine from damage during
transport, it is delivered in a sturdy packaging. Most of the
packaging materials can be recycled. Take these materials
to the appropriate recycling locations.
Take your unwanted machines to your local SBM Group
dealer. Here they will be disposed of in an environmentally
safe way.
GUARANTEE
The guarantee conditions can be found on the separately
enclosed guarantee card.
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