FRITSCH PULVERISETTE 7 classic line - Manual (Page 44)

Functional part Task Test Maintenance interval
V-belt Motor to planetary disc Check the voltage; remove
the housing; the belt must
not slacken by more than
approx. 10 mm when
pushed with your thumb.
Once a year
Fan Grinding chamber cooling
and electronics
Proper function, clean
when soiled
Twice a year
Spindle clamping device (5)
for the grinding bowl
clamping device
Clamping the grinding
bowls
Mobility, oil if necessary Every 1,000 h
Grinding bowl holder Cork disc, rubber of the
pressure piece and grinding
bowl lid seal
Signs of use; replace if
pressed flat and no longer
elastic
Every 1,000 h
Maintenance
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