FRITSCH PULVERISETTE 7 classic line - Manual (Page 43)

8 Maintenance
DANGER!
Mains voltage
– Before beginning with maintenance work, unplug the
mains plug and protect the device against being unin-
tentionally switched back on again!
– Indicate maintenance work with warning signs.
– Maintenance work may only be performed by special-
ised personnel.
– Put safety equipment back into operation after mainte-
nance or repair work.
We recommend keeping a safety logbook Ä Chapter 13
‘Safety logbook’ on page 52, where all work (maintenance,
repairs......) performed on the device is entered.
– The most important element of maintenance is regular
cleaning:
– When cleaning the complete device, adhere to the
guidelines of the Accident Prevention Regulation (BGV
A3) ‐ especially if the device has been set up in a dusty
environment or if the processed source material pro‐
duces dust.
Functional part Task Test Maintenance interval
Safety lock Hood lock Is the closed hood locked in
place when the main
switch is off?
If this test is failed, do not
continue to work until the
fault has been rectified.
Before each use
LID LOCK ACTIVATED light
on the control panel
Shows that the hood is
closed
When the hood is closed
the LID LOCK ACTIVATED
light should light up green
Once a month
Rotating bearings Permanent lubrication Bearing clearance Every 2,000 h or annually
Drive motor Permanent lubrication Bearing clearance Every 4,000 h or annually
Maintenance
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