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Step 3
X
Adjust ring position until the DTI reading at
these points agrees to 10 µm.
Step 4
X
Now adjust the ring position until the DTI
reading at these points agrees to 10 µm.
'Dimple' fiducial
VIONiC REXM20/REXT20 installation guide
'Slot' fiducial
'Slot' fiducial
Step 5
X
Re‑check the run‑out at the two 'slot' fiducial points to ensure the run‑out at the two 'slot' points is still
within 10 µm. Adjust if necessary.
X
Gradually tighten the four screws, a quarter-turn at a time so as to avoid moving the position of the ring.
Finally, insert the remaining M5 screws and torque all the screws to 4 Nm.
X
Re‑check the run‑out at the two 'slot' fiducial points, then at the two 'dimple' fiducial points.
X
The run‑out values at the 'slot' fiducial points do not have to match the run‑out values at the 'dimple'
fiducial points. If the ring has moved position outside the 10 µm limit the screws must be loosened and
the ring adjusted.
'Dimple' fiducial
7
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