Siemens 1PH728 Operating Instructions Manual page 49

Three-phase servomotor, ac compact drives

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Sealing the bearings

The outer bearing seal comprises a rotary shaft seal.

Figure 7-2

Pull the rotary shaft seal together with the bearing cap and/or end shield off the shaft.

Disassembling the speed sensor

Figure 7-3

①

②

③

④

Siemens AG A5E00177602A

Operating Instructions V 2.0 1PH728

Disassembling the rotary shaft seal

Detailed view of the speed sensor

Shaft

Torque transmission element

Speed sensor

Sensor cover

Maintenance

7.3 Repair

7-11

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