Cleaning/replacing the impeller unit
WARNING
The impeller unit rotates very fast. Do not reach into the openings of the suction socket or pres-
sure socket as there is a risk of severe injury such as loss of limb.
Disconnect the power plug before carrying out any work on the unit.
NOTE
The impeller unit contains strong magnets that attract magnetic particles (e.g. iron filings). Any
remaining particles can cause irreparable damage to the impeller unit and motor block.
Carefully remove any adhering particles from the impeller unit prior to installation.
NOTE
The impeller unit is guided in the motor block by a bearing. This bearing is a wear part and should
be changed at the same time as the impeller unit.
Changing the bearing requires specialist knowledge and tools. Have the bearing changed by
the OASE specialist dealer or send the pump to OASE.
NOTE
If the pump housing jams when it is removed and pushes against the impeller unit, this will dam-
age the impeller unit.
Position the pump vertically before removing the pump housing. This ensures that the weight
of the pump housing can no longer push against the impeller unit.
Carefully pull the motor block off the pump housing, ensuring that it is kept straight.
Proceed equally carefully during assembly.
• Remove the pipes on the suction side and on the pressure side.
• Use a wide-blade screwdriver to carefully lever out the impeller unit if necessary.
• After removing the impeller unit, clean all parts under running tap water.
– Replace a worn or damaged impeller unit.
• Assemble the pump in the reverse order.
– Tightening torque for all loosened screws: 3 Nm.
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