Retsch Mixer Mill MM 500 nano, Manual

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Operating the Device
32
Component
H Device hood
Open the device as follows:

Lift the device hood (H) by hand and open it completely.

The device hood is fitted with cushioning. This cushioning ensures that the device hood
does not open in an uncontrolled manner. The cushioning on the device takes effect as
from an opening angle of approx. 80°.
Close the device as follows:

Press the device hood (H) down by hand and close it completely.

The device hood is fitted with cushioning, which ensures that the device hood does not
close in an uncontrolled manner. The cushioning on the device hood takes effect as from
an opening angle of 80°.
6.3 Specifications regarding grinding balls and grinding jars
NOTICE
N12.0011
Wear or damage to the grinding balls and grinding jars
Use of different materials
−
Greater wear or damage is possible when operating the device with
grinding balls and grinding jars whose individual components are made of
different materials.
•
Only use grinding balls and grinding jars made of the same material.
NOTICE
N13.0000
Damage to the grinding jars
Incorrect filling of the grinding jars
−
The grinding balls damage the grinding jar and the device if the grinding
jars are not filled with any material or with insufficient material.
•
Do not operate the device without material in the grinding jars.
•
The filling in the grinding jars must not be less than 25 % of the
grinding jar volume.
All grinding jars and the matching grinding jar covers can be identified by a label on the outside.
The labeling field provides information in terms of size and material of the grinding jar.
PLEASE NOTE: For grinding that reaches temperatures below 0 °C, grinding sets made of
steel should preferably be used!
CAUTION If you use grinding jars made of other materials for cryogenic applications, they
must never become colder than -100 °C!
CAUTION Damage due to imbalance. Both grinding stations in the machine must always be
loaded. When grinding only one sample, an empty grinding jar must be used as counterweight.