Replacing The Non-Return Valve; Replace The Functional Element - Franke AQUA741 Installation And Operating Instructions Manual

21. 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.
21.1 Remove the shower panel (see
21.2 Release the connection hoses.
21.3 Remove the locking rings (b) using appropriate pliers for internal locking rings.
21.4 Pull the non-return valve (a) out of the water volume regulator using a special tool
(FAR-Best.-Nr. 2000105636).
☞
Important!
Note the installation position of the non-return valves.
21.5 Reassemble in reverse order.

22. Replace the functional element

22.1 Remove the shower panel (see
22.2 Remove the pressure cap (see
22.3 Remove the locking ring.
22.4 Remove the cap socket and the compression spring.
22.5 Unscrew the functional element using an Allen key.
☞
Important!
When putting the pressure cap in place, ensure that the tappet engages with the
corresponding groove (see
22.6 Reassemble in reverse order.
Chapter 16.).
Chapter 16.).
Chapter 14.).
Chapter 14.).
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