3. Remove the empty material loading tank to be replaced.
4. Use a lift trolley to move the full material loading tank next to the external tank.
NOTE: If the material loading tank has been stored for some time before use, HP recommends
using a drum rotator to rotate it in order to uncompact it. For this operation, the storage lid must be
used (not the loading lid) and properly closed with the clamp. The number of turns to uncompact
the material depends on the material and on the level of compaction; however, in general 90
seconds at 30 rpm should be enough. If you take no material from the material loading tank for
some time, you may need to use the drum rotator again.
CAUTION: If you use a drum rotator, take care that it does not rub against the base or the cover of
the material loading tank while rotating.
5. Connect the material loading tank connector to the lid.
NOTE: HP recommends using tanks in the same order in which they were filled from the bulk
mat
erial supply.
142 Chapter 11 Hardware maintenance
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