English to German Tech/Engineering Paper / Paper Manufacturing tissue machine (wire change)

Frame and Walkways Preparation:
After loosening the nuts, turn the tie rods of extractable blocks.
Introduce hydraulic jacks into the spaces existing between the pairs of blocks, apply pressure and lift as much as needed to extract the blocks.
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Remove the two walkway platform segments near the forming roll and the wire guiding device


Ich bin mir nicht so sicher, ob der Begriff "(her)ausziehbare Blöcke" richtig ist? Wahrscheinlich gibt es einen besseren Fachbegriff dafür.