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4 Operation and maintenance
883 Basic IC plus
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63
3
Reinserting the outlet valve into the pump head
■ Insert the outlet valve into the outlet valve holder (the seal must
be visible) (1).
■ Screw the outlet valve holder up into the pump head (2) and
tighten it firmly by hand and then retighten it one additional ¼
turn using the adjustable wrench (3).
■ Tighten the connection capillary to the auxiliary piston back onto
the outlet valve holder.