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Maintenance
9.2 Corrective Maintenance
Deinstalling
Rotating or live parts
Live electrical parts at the external fan motor are dangerous. Contact with them can cause
death, serious injury or material damage.
1. Before you start working on the fan, disconnect the fan motor from the supply system.
2. Make sure that the device cannot be switched back on.
3. Wait until the external fan has stopped before you continue.
1. Secure the external fan unit against falling before you start working.
2. Loosen the fixing screws that secure the external fan unit to the bearing shield.
3. Observe existing retaining components and retain them for the reassembly.
Assembly
To mount the external fan unit, perform the above instructions in reverse order.
1. Position the external fan unit and tighten the fixing screws.
2. Ensure that the retaining components are undamaged and correctly installed.
9.2.3.2
Replacing the external fan
If the external fan is defective, contact the Service Center (Page 163).
9.2.4
Roller-contact bearings
9.2.4.1
Removing roller bearing
Preparation
● Remove any grease feeders, shock pulse measurement equipment and possibly mounted
● Remove the coupling on the drive end or make the shaft extension freely accessible.
● At the NDE, proceed as follows depending on the machine type:
130
WARNING
instrumentation at the DE and NDE.
– First, remove the fan cowl or external fan cowl (Page 129).
– Remove the external fan.
SIMOTICS FD 1LP1
Operating Instructions 01/2019
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