Service and cleaning
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Service work
8.8 Service work
Service work is work that may only be carried out by specially authorised
expert personnel.
This work is to be carried out or allowed to be carried out in accordance with
the manufacturer's regulations.
Maintain service intervals, as well as officially prescribed testing schedules
and create written records for them.
Observe the operation manuals of the individual items of equipment and
devices!
NOTICE
Neglecting these recommendations will result in loss of warranty.
8.8.1 Pump unit
Check valve plates of the priming pump
1 Valve cover
2Valve plate
3Gap
To guarantee the functionality of the priming pump, the valve plates must
be checked.
► Check valve plates for dirt and damage in case of reduced suction ca-
pacity.
► Replace valve plates if damaged.
To do so it is necessary to dismantle the priming pump.