FRITSCH PULVERISETTE 9 - Manual (Page 27)

3. Grip the clamp lever directly over the turning point and turn for-
ward.
4. Grip the clamp lever at the front handle and push all the way to
the back. The eccentric is moved over its lowest point and clamps
the grinding set tight.
5. A small lever on the right side of the clamp lever presses a safety
switch that releases the device only when the clamping device (3)
is actuated. In case the clamping device gets loose during the
milling, the device shuts down immediately. The device also
cannot be switched on without the grinding set inside.
6. Check:
Some effort is necessary to properly actuate the clamping lever.
7. If the clamping lever can be turned easily, then the grinding set is
not clamped properly and moves about in the mount. This causes
increased wear at the sides of the lock against rotation, the spring-
loaded ball pressure pieces and the tensioning roller (2).
The cause for too loose clamping (3) is usually due to high wear
and thus a too thin rubber plate. The fault can be rectified by
replacing the rubber plate with a new one. If this does not help,
then the grinding set can be raised by 0.5 mm by placing a spacer
(no. 09.4133.09) underneath.
In rare cases, the eccentric shaft may be bent upwards or the slide
bearing sheaths on the left and right of the eccentric shaft may be
worn down.
8. If the clamp lever can be pushed down only with difficulty or not
at all, then the grinding set is not seated properly in the rear gap.
Pull the grinding set forwards once more and then push back to
full stop.
CAUTION!
Burn hazard!
The grinding bowl can become hot during long grinding
periods. Allow for cooling time after grinding.
Wear safety gloves!
CAUTION!
Risk of splashing!
During wet grinding, the high temperature may have cre-
ated overpressure.
Wear protective goggles!
9. After the milling process, take hold of the clamp lever's handle and
pull up carefully. The grinding set may be very hot and high pres-
sure may have built up in the grinding set.
Using the device
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