Maintenance
6.3 Corrective Maintenance
A5E01083943A AB
78 Siemens AG Operating Instructions 2.02 1FW4
6.3.2 Replacing the sensor for the water-cooled 1FW4 motor
Disassembling the speed sensor
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(1) Touch protection (3) Sensors
(2) Torque transmission element (4) Shaft extension
Figure 6-1 Detailed view of the speed sensor for the water-cooled 1FW4 motor
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.