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Maintenance and repair
7
Maintenance and repair
DANGER
Danger of death by electric shock
There is imminent danger in case of contact
with live parts – even in the event of a fault.
The pump must not be used if there are
f
persons in the water.
When working on the pump, comply with
f
legal regulations.
Work on electrical components must be
f
performed by qualified electricians only.
Disconnect the pump and, if necessary,
f
the system from the power source before
working on the electrical components.
WARNING
Risk of crushing or drawing in at the rotor
Danger of cutting injuries when reaching
into the impeller
Disconnect the pump from the power
f
source before carrying out any mainte-
nance work.
Secure the pump against accidental
f
switch-on.
WARNING
Risk of overturning of the pump
Place the pump on a stable surface.
f
Secure the pump against falling over or
f
rolling away.
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48 /
Risk of injury due to breaking of the car-
rying handles
f
Hazard due to start-up jerk after switch-
on
The impact when switching on can be extre-
mely strong.
f
f
Risk of cutting injuries at sharp edges
Worn impellers often have very sharp edges:
f
Operating Instructions for Submersible Pump Series SPT-R
WARNING
Before lifting the pump, check the carry-
ing handle for wear and damage.
CAUTION
Disconnect the pump from the power
source before carrying out any mainte-
nance work.
Secure the pump against accidental
switch-on.
CAUTION
Wear protective gloves when mount-ing
and dismounting the impeller.
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