Replacement Of The Flow Cartridge - Mira EXCEL Installation & User Manual

Replacement of the Flow Cartridge

1. Turn off the hot and cold water supplies.
2. Pull off the temperature control knob.
3. Unscrew the hub screw using the 3 mm hexagonal wrench (supplied) and remove
the temperature control hub.
4. Unscrew the 2 flow divertor lever retaining screws using the 3 mm hexagonal
wrench (supplied) and remove the flow divertor lever and slip ring.
5. Disconnect the shower hose and remove the shower outlet nipple using the quad
key (supplied) or a 12 mm hexagonal wrench.
6. Carefully push back and lift off the cover shroud and the seal.
7. Unscrew the flow control gear securing screw using a 3 mm hexagonal wrench
(supplied) and remove the flow control gear and the red temperature setting tool.
8. Turn the temperature control gear through 180° clockwise and lift off.
9. Unscrew the idler gear securing screw using a 5 mm hexagonal wrench (supplied)
and remove the idler gear and bush.
10. Remove the 4 clamp plate screws using a 5 mm hexagonal key (supplied) and
remove the clamp plate.
11. Refit and secure the flow control gear upside down to assist removal.
12. Pull out the flow cartridge.
13. Remove the flow control gear from the cartridge and discard the cartridge.
14. Fit the new flow cartridge and profile seal.
Note! The large tab must be towards the back of the BSM body.
15. Refit the clamp plate and idler gear bush and tighten the 4 clamp plate screws.
16. Line up the temperature control gear with the cartridge spacer and rotate
anti-clockwise through 180° (refer to illustrations 'Temperature Setting Tool' in
section: 'Cleaning and Re-assembly of the Thermostatic Cartridge').
17. Refit the flow control gear and line up with temperature control gear using the
temperature setting tool.
18. Refit the idler gear and tighten the screw.
Caution! Do not overtighten the screw as damage may occur causing the
idler gear to jam on the bush.
19. Place the temperature setting tool over the flow control gear and tighten the
screw. (refer to illustrations 'Temperature Setting Tool' in section: 'Cleaning
and Re-assembly of the Thermostatic Cartridge').
20. Refit the cover shroud and seal.
Caution! Make sure that the front lip of the cover shroud is located into the slot
at the front of the BSM body.
21. Refit the flow divertor lever and slip ring and tighten the 2 flow divertor lever
retaining screws.
22. Refit the outlet nipple and the shower outlet hose.
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