DOSATRON 53
CLEANING AND REFITTING THE SUCTION VALVE
- Turn off the water supply and allow the pressure to drop to zero.
- Unscrew the nut (Fig. 16-E) and pull downwards to remove the suction tube
(Fig. 16-T).
- Unscrew and remove the black nut (Fig. 17-N).
- Pull downwards to remove the suction valve assembly.
- Rinse copiously the different parts with clean water, re-assemble them in the
order shown (Fig.18) and ensure that the spring is in good working condition.
- Re-assemble in the reverse order to the above by hand.
Fig. 16
Fig. 17
Fig. 18
E
T
N
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