WMF 800 - Page 152

Service, Start-up, Maintenance
T5-13
© WMF800 / 900 / 1000S / 1000proS Edition 07/2014 - KMT
13. Replace grinder completely
 Remove top
 Remove hopper together with springs
 Disconnect cables
 Remove grinder, absorber stays in coffee machine
 Insert new grinder into absorber and conect cables
 Refit hopper, ensure hopper can still be moved
 Connect cables
 Enter the amount of grounds in the service program
 Calibrate the empty grinder current again
 Set the grinder counter to “0” in the service program
13.1 Basic grinder settings
After the grinder has been opened in order to remove foreign objects or to exchange
the grinder disks, the factory settings must be done:
 Set adjustment pillar to fine adjustment (adjustment counterclockwise 7 o’clock)
 Remove screw from adjustment pillar, loosen other screw and fold out adjustment
pillar
 Close grinder to block (5 Nm torque)
-> Mark on grinder housing: first line leftmost (block position)
 Open adjustment ring (upper grinder disk) for 4 cogs
-> Mark on grinder housing: line in the middle (finest setting)
 Fold adjustment pillar again; pay attention to keep the finest setting
 Fix screw of adjustment pillar and turn in other screw
 Open grinder via adjustment pillar (with Multitool) for further 6 cogs
-> Mark on grinder housing: last line rightmost (delivery status)
 Reassemble grinder
New installed grinder:
 Set new grinding capacity and idle current in Service Program and delete grinder
running time (see Training manual Service Program)
New installed grinder disks:
 Delete grinder running time in Service Program (see Training manual Service
Program)
14. Empty boiler
 Select Service program -> Test functions (right click on the button) -> Drain system
 Coffee machine switches off automatically after the steam jet
Empty boiler:
 Disconnect mains plug; allow to cool
 Open the coffee machine
 Pull the top hose off of the hot water boiler and unscrew the nipple
 Unscrew the level probe on the steam boiler
 Draw the water out of the hot water boiler and steam boiler with the 1.5m long
hose (00.4800.7400)
 Screw the level probe onto the steam boiler, tighten, and plug in the cable
 Install the nipple and insert the hot water hose
 Close coffee machine
The next time it is switched on, the coffee machine will be filled again; all counter
levels and statistics entries remain intact