Maintenance
9.3 Corrective maintenance
1LE7 shaft heights 71 ... 315
104
Operating Instructions, 04/2022, A5E51689275A-AA
9.3.5
Tightening torques
Note the information in Chapter "Tightening torques for screw and bolt connections
(Page 119)".
9.3.6
Screw lock washers
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.
Locking and sealing elements must always be replaced!
9.3.7
Links
•
Replace any corroded screws.
•
Take care not to damage the insulation of live parts.
•
Document the position of any rating and supplementary plates that have been removed.
•
Avoid damaging the centering edges.
9.3.8
Reassembly: Miscellaneous information
•
Position all rating and supplementary plates as in the original state.
•
Where relevant, fix electric cables.
•
Check the tightening torques of all screws, as well as those of screws that have not been
released.
