Section 2 - Non-Return Valve/Pressure Vessel Replacement - Stuart Turner MONSOON EXTRA S1.4 bar SINGLE Installation Instructions Manual

SECTION 2 - NON-RETURN VALVE/PRESSURE VESSEL
Pressure Switch
Fig. 8
The parts required to replace the non-return valve and pressure vessel are:
ITEM
10 Fibre Washer
13 Grub Screws
14 'O'-Ring
(ID 29.1 mm)
15 'O'-Ring
(ID 13.6 mm)
•
DISASSEMBLY
Remove the following parts in the order shown:
1. Reed switch and tie wrap
2. Pressure vessel and 'O'-ring (item 15)
3. 3 Grub screws (item 13) - 2 mm allen key required.
The flow switch assembly can now be removed from the NRV body being careful not to place
stress on the pressure switch cable. Note position of 'O'-ring (item 14).
The NRV body assembly (item 22) can now be unscrewed from the pump head, noting the
position of 'O'-ring (item 10 or 16).
Clean all parts that are to be re-used.
Damaged components must be replaced.
Contact Stuart Turner Ltd for replacements not supplied with kit.
REPLACEMENT
18
15
10 or 16
(OD 38 mm)
(M4 x 4 mm)
17
Reed Switch Tie Wrap
14
22
QTY ITEM
1 16 'O'-Ring
3 17 Rubber Washer
1 18 Pressure Vessel
1 22 NRV Body Assembly
- 4 -
Flow Switch Assembly
Reed
Switch
13
(ID 35.1 mm)
(OD 18 mm)
(0.6 litre)
QTY
1
1
1
1
Cont ...