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9.3.5
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.
9.3.6
Fan
NOTICE
Destruction of the fan
Material damage can occur by forcefully removing the fan from the shaft.
Take care not to damage the snapping mechanisms on fans that are equipped with these.
Plastic fan
● Correctly expose the breakout openings provided in the fan plate.
● Heat up the fans to a temperature of approximately 50° C around the area of the hub.
● Use a suitable tool to pull off the fan (puller).
● Locate the arms of the pulling tool in the breakout openings and slightly tension the
pressure screw of the tool.
● For fans with snapping mechanisms, simultaneously release the two snap-in lugs of the
fan from the annular 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.
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 06/2020, A5E44455710A
Shaft height
63 ... 71
80 ... 112
132 ... 160
180 ... 225
250 ... 315
9.3 Corrective maintenance
x
mm
4.5 ±0.6
6 ±0.8
7 ±1
11 ±1
13.5 ±1.2
Maintenance
Standard design
Special design
127
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