FRITSCH PULVERISETTE 1, Model I premium line - Manual (Page 27)

3. Turn the guide pin (2) in such a way that its groove is above the
position screw, which provides access to the guide pin (2).
4. Then, pull the guide pin (2) out of its guide.
5. Lift out the crushing jaw (13) to the front.
CAUTION!
Hold the crushing jaw (13) firmly while doing this!
The part weighs about 6.2 kg.
6. Then, place the crushing jaw (13) on a firm surface and undo the
cylinder-head screws of the clamping strip (16) using the hex
wrench (size 6).
7. Lift off the crushing plate (17).
8. Clean all parts in order that the crushing plate has even contact
during the installation.
9. Insert the replacement crushing plate or the old, turned crushing
plate (17) and screw the clamping strip (16) back on again.
10. Re-install the crushing jaw (13), insert the guide pin (2) and lock it
in place.
11. Close the lid (7)
12. Push in the source material container (8).
Working with the laboratory jaw crusher
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