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.
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:
Figure 7-4
①
②
③
Figure 7-5
A5E00177602A AD
Siemens AG Operating Instructions 2.02 1PH728
Siemens Hardware
– Pull the cable carefully out of its holder.
– Pull out the connector.
Disassembling the speed sensor: forcing off, 1st option
Unscrew the screw M5x50.
Screw in the screw M5x10 and the screw M6x70 one after the other. This releases
the sensor cone in the motor shaft.
Remove the sensor.
Disassembling the speed sensor: forcing off, 2nd option
Maintenance
7.3 Corrective Maintenance
61