Siemens 1FT7 - Encoder Removal and Installation

Servicing
9.2 Corrective maintenance
1FT7 synchronous motors
Operating Instructions, 04/2010, 610.40075.40b
51
9.2.2 Removing/Installing the encoder
CAUTION
Electrostatically sensitive devices
Electronic modules contain components that can be destroyed by electrostatic discharge.
These modules can be easily destroyed if they are not handled properly.
To protect your equipment against damage, follow the instructions given in the chapter ESD
Guidelines.
Removal
1. Disconnect the motor
2. Remove the four encoder fixing screws
3. Remove the encoder
Installation
1. Attach the coupling element onto the encoder shaft
2. Align the coupling element with the coupling half on the motor
3. Attach the encoder at this position on the motor shaft
4. Secure the encoder with four screws (tightening torque: 2.5 to 3 Nm)
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Figure 9-1 Removing/Installing the encoder
Note
When replacing the encoder, the coupling element needs to be replaced too.