Sabio DM4 User Manual page 13

7. Insert and fasten the screws, the left one first, then the right one.
8. Finally, test sliding the handle to make sure that the holes glide smoothly on
the screw guides.
Repeat the same procedures for the rest of HDDs.
The auto-limiting segmented screws are designed to prevent the HDDs
or/and the handles from damages due to over-tightening. Furthermore, this
design makes the handle slide easily without any tightness.
Right
Left
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