Siemens SIMOTICS M-1PH8, Руководство по эксплуатации

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Maintenance
8.2 Corrective maintenance
1PH808/1PH810 main motors
Operating Instructions, 04/2017, 610.48004.40f
143
NOTICE
Electrostatic discharge
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.
8.2.5 Tightening torque for screwed connections
For screwed connections with metal contact surfaces (e.g. bearing end shields, active
bearing components, or terminal box parts screwed onto the stator housing), the following
tightening torques apply (depending on the thread size) with a tolerance of ±10 %, property
class 8.8 and 8 or higher, to DIN ISO 898.
Table 8- 5 Tightening torque for screwed connections
Thread diameter M4 M5 M6 M8 M10 M12 M16
Tightening torque [Nm] 3 5 9 24 42 70 165
Bolt locking devices
Nuts or bolts that are mounted together with locking, resilient and/or force-distributing
elements (e.g. safety plates, spring-lock washers, etc.) must be refitted together with
identical, fully functional elements.
Always renew keyed elements.
8.2.6 Removing/mounting a holding brake (option)
Removing/mounting a holding brake (option) is described in the Appendix "Holding brake
operating instructions".