DAB KC 100 Instrucciones Para La Instalación Y El Mantenimiento página 21

Fig. 4
Filling cap
Drainage cap
If the pump has difficulty in accumulating
pressure it may be necessary to repeat steps 1
to 6.
7.2 Checking the direction of rotation
ONLY FOR THREE-PHASE
MOTOR
An arrow on the cover of the motor fan indicates the
correct direction of rotation.
The pump should turn in a clockwise direction,
viewed from the motor.
If it is turning in the wrong direction, disconnect the
power supply and exchange any two leads of the
power supply at input.
ENGLISH
8. MAINTENANCE
ATTENTION!
The pump may not be dismantled
except
personnel,
qualifications required by the specific
regulations on the subject. In any case,
all repair and maintenance work must be
carried out only after having disconnected
the pump from the supply mains. Ensure
that the power cannot be switched on
accidentally.
The internal parts of the pump do not require
–
maintenance.
It is important to keep the motor clean to ensure that
–
it is correctly cooled.
If the pump is installed in a dusty environment, the
–
motor must be cleaned and checked regularly.
Bear in mind the motor protection rating when
–
performing cleaning operations.
The motor is equipped with permanently lubricated
–
bearings that require no maintenance.
8.1 Anti-frost protection
To avoid damage, pumps left inactive during
–
periods of frost must be emptied.
Remove the filling and drainage caps. Fig.4
–
Do not replace the caps until the pump is put back
–
into service.
Before starting after a period of
inactivity, completely fill the pump and
the suction pipe with liquid.
Paragraph 7.1 "Filling with liquid".
8.2 Cleaning
Before a period of prolonged inactivity, the pump must
be flushed with clean water to prevent corrosion and the
formation of deposits inside the pump itself.
19
by skilled and
in possession
qualified
of the