Maintenance 05.2006
6SE7087-2JD60 Siemens AG
11-2 Operating Instructions SIMOVERT MASTERDRIVES
11.1 Replacing the fan
The fan is designed for an operating time of L
10
≥ 35 000 hours at an
ambient temperature of T
u
= 40 °C. It should be replaced in good time
to maintain the availability of the unit.
The units have a fan which operates as soon as the unit is connected to
the voltage supply.
To replace the fan the converter has to be disconnected from the
supply and removed.
The fan is located on the bottom of the unit.
Replace the fan as follows:
♦ Undo the two M4x49 Torx screws
♦ Pull out the protective cover together with the fan from underneath
♦ Withdraw fan connector X20
♦ Install the fan in reverse sequence.
X20
M4 x 49
Torx T20
and
spring washer
M4 x 49 / Torx T20
and spring washer
Protective cover
Fan E1
Fig. 11-1 Cover and fan for housing size A to C
DANGER
Construction types
A to C
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