Disassembly
1. The external fan ① is fixed on the shaft with a retaining ring ②. Remove the retaining ring.
Pliers according to DIN 5254 should preferably be used for this purpose.
2. Pull off the external fan by hand.
Figure 9-2 Ventilation (schematic diagram with radial fan)
Assembly
1. Push the external fan ① up to the end stop on the shaft extension.
2. Insert the retaining ring ② into the corresponding groove and check its fit.
9.2.7 Internal fan
The internal fan is located on the rotor inside the machine. If the internal fan is defective or
must be replaced, please contact the Service Center (Page 149).
Maintenance
9.2 Corrective Maintenance
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017 121