Grinding jars with ceramic inserts
Sudden temperature changes
− Ceramic inserts can crack as a result of sudden temperature changes.
• Do not expose grinding jars with ceramic inserts to sudden
temperature differences.
9.2 Wear
The grinding tools may become worn, depending on the frequency of the grinding operation and
the sample material. The grinding jars and, depending on the presence, the grinding balls or
grinding set should be regularly checked for wear and replaced if necessary.
Likewise, all existing sealing gaskets (of grinding tools and in the device) should be checked for
wear regularly and replaced if necessary.
9.3 Maintenance
To ensure the function of the seals and to prevent damage to the cooling system or the drive, it
is necessary to observe the following points if the device is used rarely:
• Run the device at least every 2-3 weeks (one cleaning cycle and 15 minutes at the lowest
speed).
• Replace the water with added coolant every 6 months.
The maintenance of the Emax includes the regular exchange of the coolant. The coolant must
be exchanged when it shows a significant cloudiness.
9.3.1 Exchange of the Coolant
9.3.1.1 Removing the Coolant and Rinsing the Cooling System
Unscrew the lid (TD) of the coolant tank.
Remove the filter insert (FE) from the coolant tank.
Place one end of the supplied hose over the opening of the outlet socket (SU).
Insert the other end of the supplied hose into a collecting vessel with a capacity of approx.
five litres (not included in the delivery). Make sure that the collecting vessel is located below
the coolant tank and that the hose has a continuous slope down.
Activate the cleaning mode in the "Settings" menu (→ Chapter "Cleaning Mode"). The old
coolant is now drained from the system and pumped into the collecting vessel.
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