Extensions; Maintenance And Repairs - Nilfisk 3997 Manual De Instrucciones

3997 - 3997C - 3997W - 3997WC

Extensions

If an extension cable is used, make sure it is fit for the power
draw and protection degree of the vacuum cleaner.
ATEX variant: extensions, plugged in electrical
devices and adapters cannot be used when the
vacuum cleaner is used for flammable dust.
Minimum section of extension cables:
Maximum length = 20 m
Cable = H07 RN - F
Max power (kW)
Minimum section (mm
Sockets, plugs, connectors and installation of the
extension cable must maintain the IP protection
degree of the vacuum cleaner, as indicated on the
data plate.
The vacuum cleaner's power socket must be
protected by a differential circuit-breaker with surge
current limitation, that shuts off the power supply
when the current discharged to the ground exceeds
30 mA for 30 msec. or an equivalent protection circuit.
Never spray water on the vacuum cleaner: this could
be dangerous for persons and could short circuit the
power supply.
Consult the latest edition of the European Union Directives,
the Laws in the country of use and the current standards
in force (UNI - CEI - EN), particularly European standard
EN60335-2-69.
GB
Comply with the safety regulations governing the
materials for which the vacuum cleaner is used.
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Maintenance and repairs

Disconnect the vacuum cleaner from its power
source before cleaning, servicing, replacing parts or
converting it to obtain another version/variant, the
plug must be removed from the socket.
■ Carry out only the maintenance operations
described in this manual.
■ Use only original spare parts.
■ Do not modify the vacuum cleaner in any way.
Failure to comply with these instructions could
jeopardize your safety. Moreover, such action would
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immediately void the EC declaration of conformity
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issued with the vacuum cleaner.
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01/2015