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Anleitung_NBG_150_SPK7:_
5. Before starting the equipment
Pull the power plug before doing any
maintenance or assembly work on the
equipment.
The machine must be set up so that it stands
firmly, i.e. it must be securely screwed to a work
bench or similar.
All covers and safety devices have to be properly
fitted before the machine is switched on.
It must be possible for the grinding wheel to run
freely.
Check that the voltage on the rating plate is the
same as your supply voltage before you connect
the machine to the power supply.
5.1 Fitting the spark reflector (Fig. 3-4 / Item 3)
Fit the spark reflector (3) to the double wheel
grinder/sander using the adjusting screw (10).
5.2 Adjusting the spark reflector (Fig. 4-6 / Item
3)
Adjust the spark deflector (3) using the adjusting
screw (10) so that the distance between the dry
grinding wheel (5) and the spark deflector (3) is
as small as possible and certainly does not
exceed 2 mm.
Adjust the spark deflector (3) periodically to
compensate for wear on the wheel.
5.3 Fitting the workpiece supports (Fig. 7-8 / Item
7)
Undo the fastening screws (6). Secure the
workpiece supports (7) to the double wheel
grinder/sander using the fastening screws (6).
5.4 Adjusting the workpiece supports (Fig. 8-9 /
Item 7)
Adjust the workpiece supports (7) using the
fastening screws (6) so that the distance between
the dry grinding wheel (5) and the workpiece
support (7) is as small as possible and certainly
does not exceed 2 mm.
Adjust the workpiece supports (7) periodically to
compensate for wear on the dry grinding wheel.
5.5 Changing the grinding wheel (Figs. 10-11)
Remove the 3 screws (A) holding the side section of
the safety hood (B) and remove the safety hood.
Undo the nut (D) (Important: The left grinding
wheel is fastened with a left-handed thread and
the right grinding wheel with a right-handed
thread), by holding the nut of the grinding wheel
mount on the opposite side. Remove the flange (C).
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and replace the grinding wheel (5). To assemble,
proceed in reverse order.
6. Operation
6.1 ON/OFF switch (1)
To switch on the equipment set the On/Off switch (1)
to position 1.
Move the ON/OFF switch (1) to position 0 to switch
off the equipment.
After switching on the equipment wait for the
equipment to reach its maximum speed of rotation
before commencing with the sanding/grinding work.
6.2 Grinding
We recommend that you use the fine-grained
grinding wheel for fine sanding/grinding work and
the coarse-grained grinding wheel for coarse
sanding/grinding work.
Place the workpiece onto the workpiece support
(7) and slowly guide the workpiece towards the
grinding wheel (5) at the desired angle to the
point where workpiece and grinding wheel make
contact.
Move the workspiece slightly back and forth to
produce an optimal grinding result. This way the
grinding wheel (5) is evenly worn. Allow the
workpiece cool every now and then.
7. Cleaning, maintenance and ordering
of spare parts
Always pull out the mains power plug before starting
any cleaning work.
7.1 Cleaning
Keep all safety devices, air vents and the motor
housing free of dirt and dust as far as possible.
Wipe the equipment with a clean cloth or blow it
with compressed air at low pressure.
We recommend that you clean the device
immediately each time you have finished using it.
Clean the equipment regularly with a moist cloth
and some soft soap. Do not use cleaning agents
or solvents; these could attack the plastic parts of
the equipment. Ensure that no water can seep
into the device.
7.2 Maintenance
There are no parts inside the equipment which
require additional maintenance.
GB
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