Mounting Dimension "X; Fan; Metal Fan Disassembly - Siemens SIMOTICS SD Operating Instructions Manual

Maintenance
9.4 Corrective maintenance
13.Install the outer bearing cover, if available.
14.Install the sealing elements:
9.4.3

Mounting dimension "x"

Mounting dimension "x" of V rings
• Extreme caution and attention to the correct positioning are vital during installation and
assembly.
• Make sure the sealing surface is free of dirt and damage.
• Lightly grease the sealing lips.
9.4.4

Fan

9.4.4.1

Metal fan disassembly

Metal fan
• Shaft height 63: Release the two M4 clamping screw so that the fan can rotate freely on the
shaft.
• Shaft heights 71...90: Release the M5 set screw so that the fan can rotate freely on the shaft.
• 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 tool.
110
Shaft height
280 ... 355
x
mm
13.5 ±1.2
1LE5, 1PC4 shaft heights 280 ... 355
Operating Instructions, 11/2022, A5E41454666A
Standard design
Special design