Mounting The Feather Key - Siemens SIMOTICS S-1FK2 Operating Instructions Manual

Mounting

5.4 Mounting the feather key

5.4 Mounting the feather key
Injuries due to ejected feather key
When the motor with feather key is running, the key on the shaft can be ejected by centrifugal
force. This can result in personal injury or property damage.
• Before operating the motor, the feather key must be secured on the shaft to prevent it from
NOTICE
Damage to motor bearings due to improper operation
Never install the feather key by hammering it into the slot, as this may damage the bearing.
• Mount the feather key without hammering on the keyway or the shaft extension.
Precondition
To avoid damage to the shaft extension or feather key, use water pump pliers or siphon pliers
with soft tips made of plastic or measurement to mount the feather key.
Procedure
1. Place the feather key straight on the keyway.
2. Press the feather key lightly into the keyway with the siphon pliers.
Figure 5-1
3. Before operating the motor, you must mount drive elements, e.g. a belt pulley or a coupling,
on the shaft extension with feather key.
❒
You have mounted the feather key.
62
WARNING
being ejected by centrifugal force.
Mounting the feather key
SIMOTICS S-1FK2 synchronous motors for SINAMICS S120
Operating Instructions, 02/2022, A5E46089564B AD