FRITSCH PULVERISETTE 7 premium line - Manual (Page 90)

6.5.2 Handling
1 Lock nut
2 Rubber washer
3 Compensating washers, 25 g each
4 Counterweight
5 2-hole face wrench
6 Pipe wrench
1. Determine the weight of the grinding bowl to be used with lid,
material to be ground and balls.
2. Then, weigh the counterweight (4) and fit compensating washers
(3) until the complete weight (with rubber washer (2) and lock nut
(1)) of the complete counterweight matches the weight of the
completely filled grinding bowl. (+/-12.5 g)
3. The spring must be pressed to be able to insert the washers.
4. Make sure that the green rubber washer (2) is lying at the top.
5. Now turn the lock nut (1) onto the threaded spindle. To do this,
push the spring back.
6. Turn the lock nut (1) by hand until it touches the rubber washer
(2).
Accessories
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