Pentair FLECK 3900 NXT - Cleaning the BLFC

Installer Manual Fleck 3900 - NXT - Maintenance
92 / 126 Ref. MKT-IM-015 / B - 08.06.2018
9.2.8. BLFC cleaning
No. Operation
A Using a 34 mm wrench, remove the flow control housing (1) from the valve.
B
Using pliers, remove the retaining ring (6), the flow control retainer (5), the washer holder
(3) and the washer (4).
C Remove the washer (4) from washer holder (3).
D Clean or change the washer (4).
E Lubricate the seal (2) with approved silicone lubricant only.
F Follow A to C in reverse order to rebuild.