Checking Tightness Of Fastening Bolts; Corrective Maintenance; Replacing The Vent Valve; Replacing An Encoder - Siemens SIMOTICS S-1FG1 Operating Instructions Manual

Service and maintenance

9.3 Corrective maintenance

9.2.7

Checking tightness of fastening bolts

Note
Replace unusable headless screws with headless screws of the same design and property
class.
● Switch off the power supply to the converter.
● Check all fixing screws for tightness using a torque wrench.
You will find the permissible torques in chapter Thread sizes and tightening torques for
fastening bolts (Page 144)
9.3 Corrective maintenance
The Siemens Service Center Bad Neustadt and other regional service sites throughout the
world can handle or organize the maintenance/repair of the servo geared motors.
Consult your regional Siemens contact person if you require this service.
9.3.1

Replacing the vent valve

To ensure fault-free functioning, renew the vent valve once a year.
When replacing, prevent dirt and damaging atmospheres from entering the gearbox.
If too much oil is contained in the gearbox, oil will escape from the vent valve.
Correct the oil quantity and replace the vent valve.
9.3.2

Replacing an encoder

You can replace a defective encoder.
The procedure for replacing an encoder is described in Service manual replacing an encoder
(https://support.industry.siemens.com/cs/ww/de/view/99457853/en).
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SIMOTICS S-1FG1 servo geared motor
Operating Instructions, 07/2019, A5E47360747B AA