FRITSCH PULVERISETTE 6 classic line - Manual (Page 52)

Functional part Task or description Test Maintenance interval
Drive motor Permanent lubrication Bearing clearance Every 4,000 h or annually
V-belt Motor planetary disc Check belt tension
Disconnect the device from
the mains. Screw off the
(top) rear cover plate. The
belt must not slacken by
more than 10 mm when
pushed with your thumb.
Once a year
Fan, ventilation slots Grinding chamber cooling
and electronics
Clean functional parts
when soiled
Twice a year
Grinding bowl tensioning
device, Safe-Lock (5)
Rubber of the pressure
piece and rubber disc in
the grinding bowl holder
Signs of use; replace if
pressed flat and no longer
elastic
After every 1,000 h
Indicated surfaces of Safe-
Lock are round
Original height, 12.5 mm
Minimum height, 12 mm
(y)
Safe-Lock has frequently
been tensioned too loosely
After every 200 h
If the height is under the
minimum height, the corre-
sponding part has to be
replaced.
Grinding bowl lid seal Seal the grinding bowl Replace seal if dirt has
penetrated
After every 100 h
Grinding bowl holder (8) Keep tension
Original height, 14 mm Minimum measurement at
grinding bowl holder, 11
mm (x)
Twice a year; this minimum
measurement may have to
be checked more often
depending on use.
If the height is under the
minimum height, the corre-
sponding part has to be
replaced.
Maintenance
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