10.3.4 Cleaning the water filter cartridge
If cleaning or replacement of the water filter cartridge is necessary,
proceed as follows:
1. Shut off the water supply.
2. Drain the boiler.
3. Remove the air vent hose above the siphon.
4. Remove the siphon.
5. Remove the water filter cartridge using an open-ended spanner.
Unscrew the restrictor from the bottom of the cartridge.
6. Rinse the filters and the restrictor with tap water and, if necessary,
clean them with a descaling product (e.g. citric acid with a pH of
approximately 3). After cleaning, rinse thoroughly under running
water.
7. Replace the water filter cartridge filters and restrictor if they are faulty
or if they are included in the service kit.
8. Reassemble all components.
Fig.99 Cleaning water filter cartridge
AD-0001244-03
+/+ pH 3
+/+ H
2
O
6 7
10 Maintenance
106 AMC 7686707 - v.01 - 06092018