Installer manual Autotrol Magnum 293 - 298 Logix 742-762 - Maintenance
Ref. MKT-IM-012 / D - 03.02.2022 75 / 110
9.6 Cleaning and maintenance
9.6.1 First steps
Before any cleaning or maintenance procedure, complete the following steps:
Mandatory
These operations must be performed before any cleaning or maintenance procedure!
1. Unplug the wall-mounted transformer.
2. Shut off water supply or put bypass valve(s) into bypass position.
3. Relieve system pressure before performing any operations.
9.6.2 Injector cleaning
1. Using a pliers if needed, unscrew and remove the injector cap (1).
Caution - material
Take care not to damage the injector (3).
2. Check for O-rings integrity.
3. Clean the screen injector (2) and injector (3) using compressed air, a soft brush or possibly a
pin.
4. Reverse above procedure steps to rebuild.
9.6.3 Refill controller cleaning
1. Using a pliers if needed, unscrew and remove the refill controller (4).
2. Clean the refill controller (4) with a soft brush.
ð Make sure the refill controller groove is perfectly clean.
3. Check for O-rings integrity.
4. Clean the refill controller chamber (5) before reinserting the refill controller (4).
5. Reverse above procedure steps to rebuild.
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