FRITSCH PULVERISETTE 19 - Manual (Page 33)

6. Close the cutting mill (see Ä Chapter 6.1.6 ‘Closing the cutting
mill’ on page 34).
NOTICE!
Check if the rotor (3) is turning freely (see
Ä Chapter 6.1.7 ‘Checking if the rotor is turning
freely’ on page 34).
If this is not the case, proceed as described in
Ä Chapter 6.1.3 ‘Setting the gap width of the knives’
on page 30.
This check must also be carried out every time the
rotor (3) is changed!
6.1.5 Inserting / changing a sieve cassette
1. Open the cutting mill (see Ä Chapter 6.1.1 ‘Opening the cutting
mill’ on page 28).
2. Pull out the sieve cassette (7) to the front. The rotor (3) must not
be removed.
If necessary, use the pulling tool (X) 45.5550.10 to pull out the
sieve cassette (7): Insert the pulling tool into the two holes of the
sieve cassette (7) past the bends of the pulling tool. While
inserting the pulling tool, move it slightly up and down.
3. If the sieve cassette (7) is jammed, remove the comminution
material under the fixed knife (9) on the left side of the housing
with a screwdriver.
4. Before pushing in the sieve cassette (7) clean the cutting chamber
thoroughly, so that everything can be closed tightly again.
5. Close the cutting mill (see Ä Chapter 6.1.6 ‘Closing the cutting
mill’ on page 34).
6.1.5.1 Selecting the sieve cassette
Coarse material should be roughly crushed with the coarse 2-4 mm sieve
and comminuted in the second work step to the desired final fineness.
The sample exhaust system with cyclone separator (optional accessory,
see Ä Chapter 6.5 ‘Sample exhaust system with cyclone separator’
on page 39) can be used for fine comminution < 2 mm.
Using the device
- 33 -