ProMinent Sigma 3 Basic Operating Instructions Manual page 52

Maintenance
Inspection, daily
52
WARNING!
It is mandatory that you read the safety information and
specifications in the "Storage, Transport and Unpacking"
chapter prior to shipping the pump.
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.
CAUTION!
Warning of feed chemical spraying around
Feed chemical can spray out of the hydraulic compo‐
nents if they are manipulated or opened due to pressure
in the liquid end and adjacent parts of the system.
– Disconnect the pump from the mains power supply
and ensure that it cannot be switched on again by
unauthorised persons.
– Depressurise the system before commencing any
work on hydraulic parts.
WARNING!
Warning of hazardous feed chemical
Should a dangerous feed chemical be used: it may
escape from the hydraulic components when working on
the pump, material failure or incorrect handling of the
pump.
– Take appropriate protective measures before
working on the pump (e.g. safety glasses, safety
gloves, ...). Adhere to the material safety data sheet
for the feed chemical.
– Drain and flush the liquid end before working on the
pump.
WARNING!
Danger of an electric shock
When working on the motor or electrical auxiliary equip‐
ment, there is a danger of an electric shock.
– Before working on the motor, take note of the safety
instructions in its operating instructions!
– Should external fans, servomotors or other auxiliary
equipment be installed, these should also be discon‐
nected and checked that they are voltage free.
Check the pump installation for:
Leaks
n
Abnormal noises or squeaks
n
Abnormal temperatures
n
Abnormal odours
n
Abnormal vibrations
n
Other anomalies
n