582156110-EN-indC-Pump-20F50 pH.docx 20/11/2020
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Using a 4 mm Allen wrench, screw in the 4 screws (14)
one by one so that the bellows flange (7) comes to a
stop.
Place the suction bearing (6), bellows (8) and skirt (10)
on the intermediate piston (11).
Tools needed