7
5. Hold the housing with the square flap facing
downward and toward you, and the case with the
mouthpiece tube facing toward you. Insert the
housing into the support, and using only the ball of
your thumb, press it downward fully, engaging the
tooth on the housing in the notch of the housing
support. Take special care to not put any pressure on
the knife edge. Inspect the housing placement by
looking through both sides of the housing support
(where the hose inlet and plug will be inserted), and
ensure that the housing’s side holes are centered in
the support.
7. Using a 6mm Allen key, screw the hose inlet (5) and
the plug (10) into the housing support. Note that the
hose can be mounted on either side of the regulator.
Standard hose position is to have the hose inlet (5) on
your right, when the case is held with the mouthpiece
tube toward you.
8. Using a 6mm hex extension attached to a torque
wrench, tighten the hose inlet in the case to 44 in-lb
(5 Nm). With a 6mm hex key, tighten the case plug
finger tight.
9. Place the case flat on the bench in front of you,
mouthpiece tube facing down. Insert the lever (37)
from the left side into the oval hole in the housing
such that the narrowed flat in the lever is centered.
Gently allow the lever to drop against the square flap
of the housing.
10. Insert the hex screw (16) unthreaded end first, and
using a 3/32"Allen key, screw the hex in until it is just
flush with the bottom of the housing. Set the regulator
aside briefly.
11. Lightly lubricate the .177 (28) and .164 (30) o-rings.
Carefully place the .164 o-ring (28) in the dedicated
groove of the flow vane (29) and the .177 o-ring (30)
in the groove of the flow vane ring (31). Ensure
that they are not twisted.
12. Using a 5mm hex key screwing counterclockwise
from above, and pushing up from below, insert and
screw the adjustment screw (27) all the way into the
flow vane (29) until it stops. Do not force the screw
past the stop.
In this picture, the lever has been
raised to facilitate viewing the initial
position of the hex screw. The lever
will normally fall against the square
flap of the housing once the hex has
been screwed into position, until the
poppet and spring have been added.
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