Maintenance
9.3 Corrective maintenance
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 06/2020, A5E44455710A
129
9.3.8 Tightening torques
Note the information in Chapter Tightening torques (Page 161).
9.3.9 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!
9.3.10 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.
9.3.11 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.
9.3.12 Optional add-on units
You can find additional operating instructions here:Service and support (Page 159)