Aqua Lung Legend LX Second Stage Technical Maintenance Manual page 8

8
9. Press the grip (34) onto the adjustment knob. Using the
LX Tool, screw the plug (37) into the end of the adjust-
ment knob.
CAUTION: Before screwing in the plug, turn
it counterclockwise so the threads engage
properly. Failure to do so may cause the plas-
tic threads to strip.
10. Insert the adjustment pin (31) into the end of the adjust-
ment knob. Install the adjustment knob into the valve
body. There should now be spring tension on the lever.
Continue to screw clockwise until the holes for the lock-
ing pin are clear. Install the locking pin (24). Be sure that
it sits evenly in the hole. Back the adjustment knob out
counterclockwise to apply tension on the pin and keep it
from falling out.
Hole clear
11. Install a new, lubricated o-ring (18) onto the venturi lever
(19). Point the venturi lever upward and insert it into the
box bottom. Press it against the box bottom so the o-ring
is captured.
37
Pin installed evenly
Legend LX Second Stage Service Manual
12. While depressing the lever, insert the valve body through
the venturi lever and into the box bottom. Be sure that
the two index flats and the two lever feet engage the
tabs molded into the box bottom.
13. Slide a new, lubricated o-ring (17) down the threaded
end of the valve body, into the box bottom. Slide the
heat exchanger (16), large diameter first, down the valve
body. Thread on the retaining nut (15) until finger tight.
Using an ¹¹₁₆" crows foot or deep socket, tighten the nut
to a torque of 45 ±2 inch-lbs.
14. Fit a new, lubricated o-ring (20) onto the adjustable
crown (21). Press the adjustable crown, threaded end
first, into the valve body. Insert a medium blade screw-
driver into the adjustable crown. Push the adjustable
crown into the valve body as far as it will go.