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Assemble the input and output elements in such a way as to minimize the stress on shafts
and bearings from transverse forces.
low stress on shafts and bearings
Mount or remove the power output elements (e.g. couplings, gear wheels, belt pulleys) using
suitable devices only (see figure).
● Use the threaded hole in the shaft extension.
● If required, heat up the output elements before mounting or removing.
● When removing the output elements, use an intermediate disk to protect the centering in
the shaft extension.
● If necessary, completely balance the motor together with the output elements according
to ISO 1940.
Note
Motors with feather key are half-key balanced. The motors have been balanced with half
a feather key.
1
Figure 5-2
The motor dimensions can be found in Chapter:
S-1FK7 DYA G2 synchronous motors with planetary gearbox
Operating Instructions, 05/2018, A5E44881183B AA
Correct
Intermediate washer/disk (to protect the centering in the shaft extension)
Mounting and removing output elements
"Technical data and dimension drawings (Page 97)"
5.5 Attaching the output elements
Incorrect
high stress on shafts and bearings
Mounting
53
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