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Repair
10.1
Replacing the diaphragm
Important note
60
WARNING!
Risk of fingers being crushed
Under unfavourable conditions, the stroke axle or dis‐
placement body can cause crushing of the fingers.
–
Disconnect the pump from the mains power supply
and ensure that it cannot be switched on again by
unauthorised persons.
WARNING!
Risk of injury from the fan impeller
The fan impeller beneath motor's fan cowling can cause
severe injuries while it is turning.
–
The pump must only be connected to the mains
voltage with the fan cowling closed.
WARNING!
Hot oil and hot components
The hydraulic oil and the hydraulic end may become
very hot when the pump is exposed to heavy loading.
–
Allow the pump to cool before starting work.
WARNING!
ATEX pumps in areas at risk from explosion
The ATEX pressure sensor may not be reprogrammed.
CAUTION!
Never adjust the pressure relief valve.
Unsuitable spare parts for the valves may lead to prob‐
lems for the pumps.
Only use new components that are especially
–
adapted to fit your valve (both in terms of shape and
chemical resistance).
–
Use the correct spare parts kits. In the event of
doubt, refer to the exploded views and ordering
information in the appendix.
WARNING!
Observe the safety information at the beginning of the
chapter.
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