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10.1
Replacing the diaphragm
Notes
WARNING!
Risk of fingers being crushed
Under unfavourable conditions, the stroke axle or displace‐
ment 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 unauthor‐
ised 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.
CAUTION!
The ATEX pressure sensor may not be reprogrammed.
CAUTION!
Do not adjust the pressure relief valve in the same way.
Unsuitable spare parts for the valves may lead to problems
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.
Repairs
45
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