Oase AquaMax Eco Expert 21000, Руководство по эксплуатации, Страница: 18 / 164

- GB -
18
Maintenance and cleaning
Attention! Dangerous electrical voltage.
Possible consequences:
Death or severe injury.
Protective measures:
•
Electrical units and installations with a rated voltage of U > 12 V AC or U >30 V DC located in the water:
Isolate the units and installations (switch off and disconnect from the power supply) before reaching into
the water.
•
Isolate the unit before starting any work.
•
Secure the unit to prevent unintentional switching on.
Cleaning the unit
Note!
Recommendation on regular cleaning:
•
Clean the pump at least twice a year.
•
Never use aggressive cleaning agents or chemical solutions. These could attack the housing surface or impair the
function.
•
Recommended cleaning agent for removing stubborn limescale deposits:
– Pump cleaning agent PumpClean from OASE.
– Vinegar- and chlorine-free household cleaning agent.
•
After cleaning, thoroughly rinse all parts in clean water.
How to proceed:
I
1. Remove the screws for fastening the filter basket and remove the filter basket.
2. Clean all parts.
– Use a soft brush.
– Rinse parts in clean water.
3. Reassemble the unit in the reverse order.
Replacing impeller unit
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 your OASE
specialist dealer or send the pump to OASE.
Note!
The impeller unit contains strong magnets that attract magnetic particles (e.g. iron filings).
•
All particles must be removed from the impeller unit before reassembly. Any remaining particles can cause
irreparable damage to the impeller unit and motor block.
How to proceed:
J
1. Remove the screws for fastening the filter basket and remove the filter basket.
2. Remove the screws for fastening the stand and remove the stand.
3. Remove the four screws and take off the pump casing.
4. Pull out the impeller unit and replace if necessary.
– Use a wide-blade screwdriver to carefully lever out the impeller unit if necessary.
5. Reassemble the unit in the reverse order.
Wear parts
The following components are wear parts and are excluded from the warranty:
•
Impeller unit
•
Bearing in the motor block.