Maintenance
53 / 1802017/11
• Evacuate the system tank. This can done be via the connection <29> for the manual diaphragm pump (see
Fig. [5] on page 38) or with a wet vacuum cleaner.
• Unscrew cover of the service opening <30>
• Make sure that the oat switch of the level sensor <27> and oat switch rods are free from suspended matter
and solids, clean if necessary. In case of stubborn dirt, remove, clean and re-install
• Make sure that the inlet opening of the wastewater pump
<23> is free from suspended matter and solids, clean if
necessary. In case of stubborn dirt, remove, clean and re-install
Dismantling the pump:
• Unscrew screws <1>.
• Press off the wastewater pump at the press-off notches
<2> with a screwdriver if necessary
• Make sure that the system tank is free from suspended matter and
solids, clean if necessary.
• Make sure that the ventilation bores <31> are free from
suspended matter and solids, clean if necessary
23
1
2
Ill. [19]
31
Ill. [20]
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