C.Plath NAVIGAT X MK 1 Mod. 10 Operator's Manual page 54

NAVIGAT X MK 1 Mod. 10 / SR-180 MK 1 Mod. 10
Page 5-10
26) Take off the protective cap from the
centering pin and rinse the pin thoroughly
with supporting fluid.
27) Screw in the centering pin and tighten it
firmly by hand.
28) Draw up some supporting fluid with the
syringe and inject it into the open end of
the ventilation valve until the remaining air
has exited the container (remaining air is
visible through the translucent top of the
container). Gently tilt the container, if nec-
essary.
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3-149 MK110ENG.P65