Mechanical Settings; Grinder Setting (Coarse - Fine) 9 - WMF Presto Service Manual

8 Mechanical settings
8.1 Grinder setting (coarse - fine)
Setting grinder degree
The grinder must be dismantled. The setting-wheel (with
worm gear) is dismantled.
Turn the grinding-disks towards each other until they

join and cannot be turned further by hand on the
driveshaft.
Fit the setting-wheel with the worm gear.

Espresso grinder (right side)
Open the setting-wheel by a total of 10 turns

(Grinding-disks with  fixing screws).
Open the setting-wheel by a total of 1 turns (grinding-

disks with 3 fixing screws).
This setting corresponds to setting no. 1 (espresso)
See chapter troubleshooting or user manual or respective
error massage no. 161 if powder is too fine.
Cream grinder (left side)
Open the setting-wheel for a total of 18 turns

(grinding-disks with  fixing screws).
Open the setting-wheel for a total of 0 turns

(grinding-disks with 3 fixing screws).
This setting corresponds to setting no. 5 = cream fineness.
 turns of the setting-wheel are necessary to adjust the
fineness by one degree.
Machines with only one grinder are set to espresso
fineness.
Installing replacement grinder:
The replacement grinder is prepared for installation
in portioner position 1 and 3 (far right and far left).
For installation at portioner position  (center) the
auger (grinder fineness setting) and is bearings must be
reassembled to the intended position.
WMF presto Service manual edition 08/2007
WMF presto Service Manual
9