FRITSCH PULVERISETTE 4 classic line - Manual (Page 34)

3. Insert the provided hexagon socket screws (d) into the corre-
sponding bore holes.
4. Turn the three hexagon socket screws evenly by hand until all
screw heads lie on the clamping plate.
5. Then tighten the three hexagon socket screws evenly using the
hex key.
NOTICE!
– Do not turn the heads off the screws!
– If the clamping plate is not sufficiently tightened,
the sample material can be forced out of the
grinding bowl, or the grinding bowl can slip out
of the clamping device and damage the machine.
Fritsch GmbH can accept no responsibility for
improper handling.
– After several minutes of grinding and in the
cooling-down phases, check that the clamping
device is firmly seated.
6.6 Mass balance
Load the mill symmetrically
Always clamp an equally heavy grinding bowl with lid and sealing ring in
the opposite grinding bowl holder to balance the weight!
NOTICE!
Extra weights, like "GTM" and "additional clamping
system", have to be balanced as well.
Using the device
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