Siemens SIMOTICS XP 1LA5 Compact Operating Instructions page 70

Maintenance
● Locate the arms of the pulling tool in the the breakout openings and slightly
tension the pressure screw of the tool.
● Simultaneously release the two snap-in lugs of the fan from the shaft groove
Keep the snap-in lugs in this position.
● Uniformly withdraw the fan from the shaft by turning the pressure screw of the
pulling tool.
● Do not apply any hammer blows to avoid damaging the rotor shaft, the fan and
the bearings.
● Order the appropriate new parts if damaged.
Metal fan
● Remove the locking ring.
● Use a suitable tool to pull off the fan (puller).
● Locate the arms of the pulling tool in the openings in the fan in the vicinity of the
hub.
● Alternatively, the pulling tool can be placed at the outer edge of the fan plate.
● Uniformly withdraw the fan from the shaft by turning the pressure screw of the
pulling tool.
● Do not apply any hammer blows to avoid damaging the rotor shaft, the fan and
the bearings.
● Order the appropriate new parts if damaged.
9.7 Reassembly
If possible, assemble the machine on and alignment plate. This ensures that the
mounting feet surfaces are all on the same plane.
Avoid damaging the windings protruding out of the stator enclosure when fitting the
end shield.
Sealing measures
1. Apply Fluid-D to the centering edge.
2. Check the terminal box seals, and if required, replace these.
3. Repair any damage to the paint, also to screws/bolts.
4. Take the necessary measures to ensure compliance with the applicable degree of
protection.
5. Do not forget the foam rubber cover in the cable entry. Completely seal the holes,
and ensure that cables do not come into contact with sharp edges.
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Explosion-protected machines
56100000002002, 01/2016