Replacing The Non-Return Valve - Franke AQLT0095 Notice De Montage Et De Mise En Service

20. Replacing the non-return valve

Warning!
All non-return valves must be replaced at the same time.
Failure to observe this instruction can result in an increased germ load in the
drinking water and thus pose a health or mortality risk.
20.1 Remove the cover plate (see
Caution!
Use an open-ended wrench to hold the water quantity regulator (b) in position while
turning the cap nut (a).
20.2 Remove the fitting (c).
20.3 Remove the existing seals.
20.4 Remove the locking ring on the inside using appropriate pliers for locking rings.
20.5 Pull the non-return valve (d) out of the function block using a special tool (e; see
Accessories Chapter
Optional:
Fittings with optional thermal disinfection have a third non-return valve.
20.6 Remove the lock (f) using an Allen key.
20.7 Remove the spacer (g).
20.8 Pull the non-return valve (h) out of the function block using a special tool (e; see
Accessories Chapter
Caution!
Note the installation position of the non-return valves.
20.9 Reassemble in reverse order.
Chapter 16.).
22).
22).
- 12 -