FRITSCH PULVERISETTE 1, Model I classic line - Manual (Page 32)

Page 30
7 Cleaning
7.1 Cleaning the grinding chamber
In order to access the grinding chamber, first remove the fixed crushing jaw (15),
therefore open the front cover (10). The actual dismantling: Pull the guide bolt (3)
off and lift the crushing jaw (15) in an upward motion.
The
grinding chamber can be sucked out with a vacuum cleaner and brush or blown out
with compressed air (Pay attention to the mill feed that may fly around). Stubborn
residues can be removed with a wire brush. Subsequently, wipe out the grinding
chamber with a damp cloth and then with alcohol (corrosion protection).
7.2 Cleaning the intake
Loosen the 4 screws of the cover on the back of the grinding chamber (26 or 27 see
chapter 6.1). Remove the cover and vacuum the hollow area behind it.
CAUTION Hold the crushing plate firmly!
The part weighs approx. 6.5 kg.
WARNING Before starting the cleaning work, pull the mains plug
and secure the instrument against unauthorised
reactivation!
Announce cleaning work with a warning sign.