Siemens SIMOTICS SD - Mounting Dimension X; Fan; Metal Fan Disassembly

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
Shaft height x
mm
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280 ... 355
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13.5 ±1.2
Standard design
9
Special design
9
• 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 o󹪜 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.
Maintenance
9.4Corrective maintenance
1LE5, 1PC4 shaft heights 280 ... 355
110 Operating Instructions, 11/2022, A5E41454666A