Retsch Mixer Mill MM 500 nano, Manual

Page: 39 / 95

Operating the Device
39
MD Grinding jar cover
MR Grinding chamber
Open the grinding jar as follows:

Loosen both clamping screws (SP) on the grinding jar cover (MD) and unscrew evenly
until the grinding jar cover (MD) can be lifted off without becoming misaligned.

If the clamping screws (SP) cannot be unscrewed by hand, use the opening aid to
unscrew the clamping screws (SP).

Lift the grinding jar cover (MD) off to open the grinding chamber (MR) of the grinding jar.
6.7.2 Filling the grinding jar
Fig. 20: Filling the grinding jar
Component
MR Grinding chamber
Fill the grinding jar as follows:

Fill the right number of grinding balls made of a suitable material into the grinding chamber
(MR) of the grinding jar.

Add material for grinding to the grinding balls in the grinding chamber (MR) of the grinding
jar.

When filling the grinding jar, take care not to fall below 1/4 of the total volume of the
grinding jar.
The ideal fill quantity in the grinding jar is 1/3 material and 1/3 grinding balls, thus
corresponding to 2/3 of the total volume.
In the case of wet grinding, the ideal fill quantity in the grinding jar is 60 % grinding balls
and 1/3 material.
MR