23
ELRO
®
Pumps for hazardous materials GUP 3-1,5 and GP 20/10Ex
5.0 Maintenance
Always observe the safety
regulations in chapter 2 when
performing maintenance work!
Before beginning work on the
this must be taken from the
potentially explosive zone into
a safe working area.
Do not carry out tasks on
pumps in the Ex-zone.
Work with the pump for hazardous materials
requires special safety measures and
reliable MAINTENANCE after every use!
We would like to draw your attention to the
testing and operating instructions according
to § 12 and 13; ElexV
1
).
Before starting maintenance work the
pump must generally be switched off and
disconnected from the electric supply.
General maintenance is limited to a
professional visual inspection. During this
inspection special attention should be paid
to affected components, loose connecting
parts or electrical connections!
n
Check equipment plug and connecting
cable for tight fit and damaged.
n
Defective cables and equipment
plugs must only be changed by the
manufacturer.
n
Loose connections and damaged parts
must be tightened and damaged parts
must be changed (designation see
spare parts list).
n
Corroded parts must be protected by
touching up the paintwork.
n
Apart from this you must also ensure
that the pump has been thoroughly
flushed and the pumped product
completely drained (see operating
instructions chapter 4.0: End of work)
We recommend the operator of the pump
for hazardous material to keep a application
and operation log, which provides evidence
on operating hours of pump and pumping
hose.
During general maintenance please
check whether the pumping hose should
be replaced for safety reasons (see
maintenance instructions).
Accident prevention instructions (UVV)
and fire fighting equipment regulations are
specially emphasized.
Attention!
Caution!
