6 Inspection and Maintenance
6.1 Replacement Interval of the Impeller
The impeller has a limited lifetime depending on the chemical type, concentration and temperature of the
fluid which is pumped. Therefore, a preventive periodical exchange of the impeller is recommended. Contact
the Levitronix Technical Service Department (see Section 8) for further information on replacement times.
6.2 Impeller Replacement Procedure
6.2.1 Preparation
Before starting the impeller replacement procedure
the parts and tools illustrated in Figure 16 and
Figure 17 should be prepared. Impeller exchange
kits, which contain this parts and tools are
available at Levitronix (see Table 2). Please verify
that you have the right types of impellers, O-rings
and screws.
Figure 16: Explosion view of pump head with motor
Figure 17: Components for impeller replacement
(The 4 M6x25 screws for motor mounting are not on the picture.)
The following warnings and cautions should be
read carefully before starting the replacement of
the impeller.
The impeller could splash TOXIC or CORROSIVE
CHEMICALS because of the strong magnetic forces. Flush
the pump housing before opening it.
HARMFUL CHEMICALS may be present.
Skin contact and toxic gases may be hazardous to
your health. Wear safety gloves and other appropriate
safety equipment.
Pay attention to the magnetic forces when handling
the impeller. The attraction of magnetic parts and
particles should be avoided in order to keep the
impeller and the pump head clean and free of
contamination.
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