9.2.3
External fan
9.2.3.1
Fan cowl
To remove or replace the external fan, the fan cowl must be disassembled. The fan cowl is
attached to the bearing shield with screws.
Disassembly
1. Secure the fan cowl against falling before you start working.
2. Loosen the fixing screws that secure the fan cowl to the bearing shield.
3. Observe existing retaining components and retain them for the reassembly.
Assembly
Proceed in the reverse order to assemble the fan cowl.
1. Position the fan cowl and tighten the fixing screws.
2. Ensure that the retaining components are undamaged and correctly installed.
9.2.3.2
External fan made of cast steel
External fans made of cast steel have a keyway connection and are prevented from axially
shifting using a locking ring.
Disassembling
1. The external fan
①
is fixed on the shaft with a locking ring
②
. Remove the locking ring.
Pliers according to DIN 5254 should preferably be used for this purpose.
2. Use a suitable device to pull off the external fan.
3. Avoid using a hammer.
4. Secure the parallel key from falling out or remove it.
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Figure 9-1
Ventilation (schematic diagram with radial fan)
Maintenance
9.2 Corrective Maintenance
SIMOTICS FD 1MM1
132
Operating Instructions 02/2019
Summary of Contents for SIMOTICS FD 1MM1 Series
Page 2: ...05 02 2019 16 03 V11 01 ...
Page 30: ...Description SIMOTICS FD 1MM1 30 Operating Instructions 02 2019 ...
Page 142: ...Maintenance 9 2 Corrective Maintenance SIMOTICS FD 1MM1 142 Operating Instructions 02 2019 ...
Page 166: ...Disposal 11 5 Disposal of components SIMOTICS FD 1MM1 166 Operating Instructions 02 2019 ...
Page 168: ...Service and Support SIMOTICS FD 1MM1 168 Operating Instructions 02 2019 ...
Page 172: ...Quality documents SIMOTICS FD 1MM1 172 Operating Instructions 02 2019 ...
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