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•
Adjust the screws to reduce the range of radial displacement. When adjusting, identify the screw location with the lowest radial displacement and tighten that screw, aiming for the average of the
highest and lowest indicator readings.
•
Repeat this process until the DTI readings are within ±5 µm at the screw locations.
NOTE: It may be necessary to loosen screws whilst tightening other screws.
Step 2
34
RESOLUTE™ Functional Safety Installation guide and safety manual Siemens DRIVE-CLiQ encoder system
NOTE: At this stage, the screws should only be lightly tightened
(less than 0.5 Nm) to allow further final adjustment.
•
Insert the next screws:
•
For RESA30 rings with 6, 9 or 12 mounting holes, insert all the remaining M3 screws.
•
For RESA30 rings with 16 mounting holes, insert 4 equally-spaced M3 screws.
•
For RESA30 rings with 18 mounting holes, insert 6 equally-spaced M3 screws.
•
For RESA30 rings with 20 mounting holes, insert 8 equally-spaced M3 screws (in four groups of two) between existing screws.
•
As described in Step 1, adjust all the screws already inserted, so that the radial displacement at each screw location is within ±5 µm.
•
Again, at this stage, the screws should only be lightly tightened (less than 0.5 Nm).
NOTE: The torque required to achieve the radial displacement tolerance may be slightly higher during step 2 than during step 1.
Original instructions
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