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9.3.3
Fan
9.3.3.1
Metal fan disassembly
Metal fan
• Shaft height 100...355: 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, place the pulling tool at the outer edge of the fan plate.
• Uniformly withdraw the fan from the shaft by turning the pressure screw of the pulling
• Do not apply any hammer blows to avoid damaging the rotor shaft, the fan and the
• Order the appropriate new parts if damaged.
Plastic fan
The plastic fan might be damaged after being removed.
9.3.3.2
Mounting fans
• Take care not to damage the snapping mechanisms on fans that are equipped with these.
• To ensure this, the fans should be heated to a temperature of approximately 50 °C around
• If any damage is caused, request new parts.
9.3.4
Canopy, rotary encoder under the canopy
For screwed canopies, insert the fastening screws through the holes on the outer surface of
the canopy. Tighten the fastening screws with a torque of 3 Nm ± 10 %.
9.3.5
Tightening torques
Note the information in Chapter "Tightening torques (Page 249)".
9.3.6
Screw lock washers
Nuts or bolts that are mounted together with locking, resilient and/or force-distributing
elements (e.g., safety plates, spring-lock washers, etc.) must be refitted together with
identical, fully functional elements.
Locking and sealing elements must always be replaced!
1LE8 轴高 80 ... 355
操作说明, 11/2022, A5E52373573A
tool.
bearings.
the area of the hub.
Maintenance
9.3 Corrective maintenance
233
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