Aqua Lung FIRST STAGE Service Manual page 8

d. Put the seat (129212 / 129719) on the yoke,
thread the screw (129618 / 129721) on the yo
and put this assembly on a valve fitted with an
insert.
e. Unscrew 1 turn
129716 / 129207) using a 3mm Allen key, tu
clockwise to unscrew the yoke shutter valve.
f. Disassemble the w
and and compress the dust cap (129607) on the
yoke. Check the cap stops to the seat as shown on
picture.
stop
g . Unscrew completly
shu tter valve, turning clockwise (3 turns).
Service Manual 1st stage Legend
Rev. 12/2011
the shutter valve (129202 /
hole from the valve. Place
wi th a 3 mm Allen key the
h.
ke
rn
i.
j. Remove the o-ring (1
th e shutter crown (129614 / 129704 / 129205).
Service manual First stage Legend
Remove the yoke screw and separate the parts.
Remove the o-ring (473056). Then remove the
shutter valve from the shutter crown (129614 /
129704 / 129205).
247 03) inside the groove of
8