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WMF presto Service manual edition 08/2007
WMF presto Service Manual
Prepare external boiler and steam boiler
(optional) parts
Replace oscillating pump
Replace flowmeter or supply group
Supply group is optional with coffee machines with
Constant water connection
W
ater tank machine:
Constant water connection:
Dismantle the filler nipple of the flowmeter feeder.
Dismantle brewer motor bracket
Replace brewer motor
Replace brewer media deliveries
Refit brewer motor
Prepare new boiler for mounting
Mount boiler
Prepare new steam boiler (opt,) for mounting
Mount steam boiler (optional)
Mount and connect solenoid valves
Replace complete grinder
Replace air pump
Replace steam nozzle and Y-piece
Mount milk hose
Replace battery
Replace brewing unit
Checks
Close coffee machine
Putting back into operation
Settings
D
uring maintenance, pay special attention to:
Water leaks - a screw connection might not be
properly tightened.
Rattling noises - a hose or some other part might
be vibrating.
Additional work for machines with choc/topping
Choc/topping drive
Replace mixer
Replace mixer valve
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