Spare Parts - Wilo EMU FA Serie Instrucciones De Instalación Y Funcionamiento

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10.3.5. Maintenance
ELECTROCUTION hazard!
There is a risk of fatal electric shocks when
performing work on electrical devices. With
all maintenance or repair work, the pump
must be disconnected from the mains and
secured against being switched on again
without permission. Damage to the power
supply cable may only be rectified by a quali-
fied electrician.
In addition to the information in the "Mainte-
nance" section, note the following points for
Ex-rated pumps:
• The maintenance and repair work described in
this operating and maintenance manual must be
carried out properly.
• Repairs and alterations to the construction which
are not listed in this operating and maintenance
handbook or which may impair explosion protec-
tion may only be performed by the manufacturer
or by service dealers certified by the manufac-
turer.
• The spark-proof gaps may only be repaired
according to the manufacturer's design speci-
fications. It is not permitted to carry out repairs
according to the values in tables 1 and 2 of
DIN EN 60079-1.
• Only the plugs stipulated by the manufacturer,
fulfilling at least a strength category of 600 N/
mm², may be used.
Changing the seal on the fluid side
The following table specifies on which motors the
fluid side seal can be replaced without impairing
the explosion protection.
Overview of seal replacement
Mechanical shaft
Motor type
T 12
T 13
T 17
T 20
T 20.1
T 24
T 30
T 34
T 42
T 50, T 50.1
T 56
Key
- = not present or replacement not possible with-
out endangering explosion protection!
• = replacement possible without endangering
the explosion protection.
70
Cartridge seal
seal
•
-
•
-
•
-
•
•
•
o
-
•
-
•
-
•
•
-
•
-
•
-
o = cartridge replacement possible, mechanical
shaft seal cannot be removed!
Cable changes
Cable changes are strictly prohibited and may
only be carried out by the manufacturer or by
service centers certified by the manufacturer.

10.4. Spare parts

Spare parts can be ordered from Wilo customer
service. To avoid queries and incorrect orders,
the serial and/or article number must always be
stated.
Technical changes reserved
APPENDIX
WILO SE 05/2014 v05 DIN A4