Page 17
Translation of the original instructions with assembly instructions AF 172 G2, Filtration Group GmbH, 09.12.17, Mat. No. 70355433, Version 05
15.5.3 Maintaining the valve seat
CAUTION!
Pressure spring loaded!
Risk of injury to persons
•
Carefully dismantle the snap ring.
The numbers indicated in parentheses
correspond to those used in the spare parts
drawing.
•
Carry out the preliminary maintenance steps
(section 15.2).
•
Remove the solenoid (1.9.13)
(section 15.5.1, steps 1-2).
•
Remove the magnetic valve (1.9.11)
(section 15.5.2, steps 1-2).
1
•
Remove the snap ring (1.9.10) using a suitable tool.
•
Carefully remove the valve seat (1.9.10).
Fig. 20:
Replacing the valve seat
2
•
Clean the interior of the backflush adapter.
•
Clean and/or replace the valve seat.
•
Install in reverse order.
15.5.4 Maintaining the check valve
CAUTION!
Pressure spring loaded!
Risk of injury to persons
•
Carefully dismantle the snap ring.
The numbers indicated in parentheses
correspond to those used in the spare parts
drawing.
•
Carry out the preliminary maintenance steps
(section 15.2).
•
Remove the solenoid (1.9.13)
(section 15.5.1, steps 1-2).
•
Remove the magnetic valve (1.9.11)
(section 15.5.2, steps 1-2).
•
Remove the valve seat (.9.10)
(section 15.5.3, step 1).
1
•
Remove the snap ring (30.7) using a suitable tool.
•
Carefully remove the check valve (30.7).
Fig. 21:
Replacing the check valve
2
•
Clean the interior of the backflush adapter.
•
Clean or replace the check valve.
•
Install in reverse order.
