Maintenance 06.2006
6SE7087-6KP50 Siemens AG
9-2 Operating Instructions SIMOVERT MASTERDRIVES
9.1.1 Replacing the fan in units up to 45 mm wide
♦ After removing the X20 connector which is protected against polarity
reversal and undoing the two cover screws, unscrew the fan and
withdraw the connector.
♦ Fit the fan in the reverse order, making sure that the arrow indicating
the direction of air flow points to the inside of the unit.
Make sure that the leads to the fan are connected the right way round.
Otherwise the fan will not operate!
9.1.2 Replacing the fan in units up to 90 mm wide
♦ After removing the X20 connector which is protected against polarity
reversal and unscrewing the two cover screws, the fan can be
dismantled by pushing out the internals of the insert rivets and the
connector can be disconnected. The insert rivets can be re-used.
♦ Fit the fan in the reverse order, making sure that the arrow indicating
the direction of air flow points to the inside of the unit.
Make sure that the leads to the fan are connected the right way round.
Otherwise the fan will not operate!
9.1.3 Replacing the fan in units 135 mm wide
♦ You can remove the fan by undoing the four mounting screws or
sliding out the internal parts of the insert rivets. The insert rivets can
be re-used.
♦ Disconnect the leads on the fan.
♦ Fit the new fan in the reverse order.
♦ Make sure that the arrow indicating the direction of air flow points to
the inside of the unit.
Make sure that the leads to the fan are connected the right way round.
Otherwise the fan will not operate!
Removal
Installation
NOTICE
Removal
Installation
NOTICE
Removal
Installation
NOTICE
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