FRITSCH PULVERISETTE 7 premium line - Manual (Page 65)

(5) Valve insert
5.
Turn the two valve inserts out of the valves using the valve key (6).
(Tightening torque approx. 1.5-2Nm = average manual force). The
valve is held in place using the socket wrench (1), and the valve
insert (5) is removed using the valve key (6).
NOTICE!
Do not forget to insert the two valve flat seals (4).
6. The gassing lid is removed in the reverse order.
(4) Flat seal
Accessories
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