Maintenance
7.3 Corrective Maintenance
A5E00215731A AD
60 Siemens AG Operating Instructions 2.02 1PL618
② Torque transmission element
③ Speed sensor
④ Sensor cover
NOTICE
Always disassemble the speed sensor before you dismantle the three-phase motor, in
order to prevent it from becoming damaged.
To disassemble the speed sensor, proceed as follows:
1. Screw off the sensor cover.
2. Detach the electrical connection.
– Pull the cable carefully out of its holder.
– Pull out the connector.
3. Remove the screw connections holding the sensor on the end shield.
4. Pull the sensor off the shaft with the aid of a puller. There are two ways of doing this:
0[
0[
0[
ແ
ໂ
Figure 7-3 Disassembling the speed sensor: forcing off, 1st option
① Unscrew the screw M5x50.
② Screw in the screw M5x10 and the screw M6x70 one after the other. This releases
the sensor cone in the motor shaft.
③ Remove the sensor.