Installations with rectangular load cells below the lower back up roll or above the upper back up roll:
Accessible parts: Mounting surfaces in the mill stand, the sledges if present, the rockers,
the pressure plates closest to the load cells and
intermediate mating plates if present.
Installations with circular load cells under the screw-down or hydraulic cylinder:
Accessible parts: Mounting surfaces above the upper back up roll
bearing chuck, plain or tapered thrust roller bearings, pressure plates
closest to the load cells and other intermediate mating plates if present.
Installations with annular load cells above the screw-down inside the mill stand:
Accessible parts: Mounting surfaces of the screw-down nut, plain or
tapered thrust roller bearings, pressure plates closest to the load cells.
The parts and mounting surfaces mentioned above need to be accessible
before the start of the work or otherwise the investigation of
them need to be planned for in advance so that it can be performed
later during the site visit.
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