Pentair Autotrol 255 Logix 740-760 - Air check valve cleaning

Installer Manual 255-LOGIX 740-760 - Maintenance
Ref. MKT-IM-001 / C - 08.10.2019 57 / 76
9.4.6. Air check valve cleaning
No. Operation
A Unscrew brine pipe (5).
B
Using a Phillips screwdriver, loosen air check cap screw (2) (2x).
Let the 2 screws (2) on the cap (4).
C Remove the cap (4).
D Clean the air check ball (3) and groove (1) using a soft cloth or a soft brush.