Siemens 1FT7 Series Instructions Manual page 23

8 Inspection, maintenance, disposal
Clean according to the degree of local contamination in order to ensure that the waste heat
is adequately dissipated.
As the operating conditions vary greatly, one can only cite general intervals for fault-free
operation.
Also replace the encoders whenever the motor ball bearings are replaced as the encoder
bearings wear out too.
Guidelines:
- Bearing service life 25 000 hours
- Radial shaft seals approx. 10 000 hours with oil lubrication.
Motor servicing is prohibited unless performed by an approved service work-
shop.
Motors must be disposed of carefully taking into account domestic and local regulations in
the normal recycling process or by returning to the manufacturer.
The following must be taken into account when disposing of the motor:
- Oil according to the regulations for disposing of old oil
- Not mixed with solvents, cold cleaning agents of remains of paint
- Components that are to be recycled should be separated according to:
-. Electronics waste (e.g. sensor electronics, sensor modules)
-. Iron to be recycled
-. Aluminum
-. Non-ferrous metal (gearwheels, motor windings)
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