Pentair Fleck 3150 NXT Installer Manual page 156

Installer manual Fleck 3150 NXT/NXT2 - Maintenance
9.4.8 Injector throat and washer cleaning
1. Using a 4 mm Allen wrench, unscrew (1).
2. Using a 24 mm wrench, remove the tube (10).
3. Using a 4 mm Allen wrench, unscrew (11) and remove the connector (9), the o-ring (8) and
the injector nozzle (7).
4. Using a 4 mm Allen wrench, unscrew (5) and remove the T-tube (6), the o-rings (3 and 12),
the injector throat (4) and the injector washer (2).
5. Clean the injector throat (4) and the injector washer (2) using compressed air, a soft brush or
possibly a pin.
6. Lubricate on the o-rings (3), (8) and (12) using silicone grease.
7. Reverse above procedure steps to rebuild.
Mandatory
The injector washers (2) have to be installed with their chamfered side upfront the
water stream flow.
Flow indication must be visible after the injector washer (2) is placed on the seat (4).
156 / 190 Ref. MKT-IM-010 / F - 16.01.2023