Retsch DM 400 - Manual (Page 47)

Servicing
47
12.
DANGER!
Risk of crushing when changing the grinding discs.
Ensure that the grinding disc does not fall on the
floor.
Loosen the 2x M20 mounting screws using the ratchet wrench
and open the grinding chamber. Hold the grinding disc in place.
Remove the hexagon screws and remove the grinding disc.
13. Now take the replacement moving grinding disc and assemble
with the hexagon screws (see Point 5 + 6 in reverse order)
14.
15.
16.
Install the housing cover
Connect the mains plug again.
Switch the device on!
17.
18.
19.
20.
Close the grinding chamber electrically
Adjust the grinding width to at least 12mm as described in the
chapter “Adjusting the gap width”!I
Unlock the grinding chamber and unplug the device!
DANGER!
Pull the plug out and secure the device to prevent
accidental restarting!
Insert the replacement fixed grinding disc and secure with the
hexagon screws. Manually close the grinding chamber and se-
cure the disc using the ratchet wrench (t).
21. Secure the hopper again in reverse order (see Points 10 and 11)
22. Plug in and lock the grinding chamber again with the help of the
locking button (h).
Zero point must be specified again (see the chapter
“Specifying the zero point”)