Motor Shaft; Expansion Vessel - DAB e.sybox Instructions Pour L'installation Et L'entretien

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Due to the cartridge remaining in its seat for a long time and/
or to the presence of sediment, the force needed to extract the
cartridge might be such as to damage the accessory tool. In
this case it is intentional, because it is preferable to damage the

10.4 - Motor shaft

The electronic control of the system ensures smooth starts so as to avoid
excessive stress on the mechanical parts and thus prolong the life of the
2 product. In exceptional cases this characteristic could cause problems
in starting the pump: after a period of inactivity, perhaps with the system
drained, the salts dissolved in the water could have settled and formed
calcification between the moving part (motor shaft) and the fixed part of
the pump, thus increasing the resistance on starting. In this case it may
be sufficient to help the motor shaft by hand to detach itself from the
calcifications. In this system the operation is possible because access to
the motor shaft from outside is guaranteed and a groove is provided at
the end of the shaft. Proceed as follows:
1- remove the motor shaft access cap as in Fig.28;
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2- insert a straight tip screwdriver in the groove on the motor
shaft and manoeuvre, turning in 2 directions;
3- if it turns freely, the system can be started;
4- if rotation is blocked it cannot be removed by hand, call the
assistance service.

10.5 - Expansion Vessel

See paragraph 1.2 for the operations to check and adjust the air pressure
in the expansion vessel and to replace it if it is broken.
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Figura 28
tool rather than the cartridge. If the key is lost or damaged, the
same operation can be performed with pliers.
Should one or more O-rings be lost or damaged during
maintenance operations on the non-return valve, they must be
replaced. Otherwise the system might not work correctly.
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