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6 Cleaning 6.1 Check of cleaning
6.1.1 Disc pressure
In a tightened bowl the disc pressure may in time
decrease so that the individual discs are not
stable, although the guide mark on the lock ring is
directly aligned to the corresponding mark on the
bowl hood. Bad bowl running (vibration) may be
the result. If so, one or more extra discs must be
added to the disc stack. Extra discs must be
located under the thick-caulked discs. See
description in the
Service & Maintenance Manual
.
NOTE
Insufficient compression of the disc stack can
affect the bowl balance, causing abnormal
vibration of the machine.
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