Service/Maintenance Routine, 2 Years - WMF Series 8400 bistro Service Manual

From 07/2011 on, the following valves must be ordered additionally to the maintenance
sets:
Version
Steam Milk
Milkpower
Dual Milk Standard
Dual Milk Milkpower 1x Steam dispensing valve and
9.3.2

Service/Maintenance routine, 2 Years

The following tools are required:
• Philips screwdrivers short and long
• Torx screwdriver TX20
• Open-end wrenches 8 and 12 mm
• Grease Molykote 111 (00.0048.7705)
• Grease Paraliq GA 343 (00.0048.7702
• Torque wrench with allen key 8
• Wire cutter
• Flat-nose pliers
™ Preparing the machine
™ Open coffee machine
™ Check safety valve
™ Descale flow heater
™ Perform brewer maintenance
™ Open, clean and if necessary descale boiler
™ Clean electrodes
™ Close boiler
™ Change flange disc of boiler
™ Perform brewing-valve maintenance
™ Change plastic valves and their plug-in connections
™ Change
™ Change battery
™ Change O-ring on steam-dispensing valve
™ Perform maintenance of milk system
™ Connect milk hose
™ Change coffee delivery
™ Close coffee machine
™ Restart machine
™ Settings
Service manual WMF bistro! Edition 08/2011
Valve
1x Steam dispensing valve
1x Cappuccino valve
1x Steam dispensing valve
1x Cappuccino valve
WMF bistro! Service manual
Detailed description see Service
chapter in the Training Manual
part 5 service..
Order number
33.2274.9000
33.2274.9000
33.2274.9000
33.2274.9000
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