Speck pumpen BADU 90 Série Instructions De Montage Et D'utilisation page 62

Place the opening device between two cams of the ring nut (160.2), see draw-
ing 1. Make sure the opening device catches properly, see drawing 2. Loosen
the ring nut by turning anticlockwise, see drawing 3.
Opening device must be used only for opening!
For BADU 90/25-90/48 please use the appropriate opening device (577), see
drawing below. The ring nut (160.2) as well as the opening device (577) are la-
belled with letters, see drawing 1. Place the opening device onto the ribs of the
ring nut, as shown on drawing 1, until it catches. Loosen the ring nut by turning
anticlockwise, see drawing 2.
Opening device must be used only for opening!
Remove the transparent lid (160.1). Slowly fill the pump with clean water until
the water level reaches the inlet connection. Put on the transparent lid (160.1)
and make sure that the o-ring seal (412.1) is well in the housing groove.
Tighten the ring nut (160.2) by hand, do not use force. Otherwise the pump will
prime insufficiently or not at all. Never let the pump run dry, not even for the
purpose of checking the direction of rotation!
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