C.Plath NAVIGAT X MK 1 Mod. 10 Operator's Manual page 62

NAVIGAT X MK 1 Mod. 10 / SR-180 MK 1 Mod. 10
Page 5-18
16) Unscrew the captive screws attaching the
two sections of the gyrosphere container.
17) Remove the upper section of the
gyrosphere container and place it upside
down on the work surface.
Caution:
Do not damage the golden contact pins.
18) Take the box containing the phial of mer-
cury and insulating fluid from the installa-
tion and replacement parts kit. Remove
the phial from the box and open it.
Warning:
Spilt mercury will evaporate and give
off poisonous fumes.
Spilt mercury is to be gathered up with
the syringe provided in the installation and
replacement parts kit and sealed in an
empty phial.
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3-149 MK110ENG.P65