FRITSCH PULVERISETTE 15 - Manual (Page 30)

Functional part Function / Type Inspection Maintenance interval
Safety switch 1 (actuate by
closing the closing lid)
Start-up block Closing lid open: The rotary
switch does not remain in
the start position, it returns
to the OFF position.
Caution!
If the switch is defective,
the rotor will start up. Do
not reach into the mill
while it is running!
Before each use!
Replace the switch if it is
defective.
Safety switch 2 (actuate by
attaching the collecting
vessel)
Start-up block Collecting vessel not
attached: The rotary switch
does not remain in the
start position, it returns to
the OFF position.
Caution!
If the switch is defective,
the rotor will start up. Do
not reach into the mill
while it is running!
Before each use!
Replace the switch if it is
defective.
Conical guides on the cut-
ting rotor and the lid
Guide of the rotor Soiling Before each use!
Cutting rotor gap width -
fixed knives
Cutting function Check distance and paral-
lelism
Visual inspection before
each use!
Check dimensions every
500 h.
Rotating bearings Permanent lubrication Bearing clearance Every 2,000 h
Drive motor Permanent lubrication Bearing clearance Every 4,000 h
Silicone rubber seal for lid Seal Deformation and soiling Before each use!
9.1 Removing and installing the cutting knives
Depending on the material to be cut and the duration of use, the
rotating knives have to be turned over, resharpened or replaced like the
fixed knives.
Maintenance
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