Aqua Lung APEKS TX 50 Technical Manual page 9

4
Use a 6mm hex key, tighten down the spring adjuster (22)
until 1-2 threads (¼" from top) are exposed.
5
Turn the first stage over, hold the HP valve (11) by the stem
and insert it into the body (5). Install the spring (12) onto the
HP valve shaft.
6
Install the o-ring (7) onto the body (5). Place the turret (8)
onto the body and carefully push down.
7
Install the blue washer (14) into the turret (8). Place the o-ring
(16) on top of the blue washer.
8
Install the small o-ring (17) into the turret bolt (15). Place the
larger o-ring (13) at the base of the threads.
9
Install the turret bolt (15) through the turret (8). Using a 6mm
hex key, tighten the turret bolt until snug.
10
With the first stage
mounted in a bench
vise, use a torque wrench with
a 6mm hex key adapter to
tighten the turret bolt (15) to 70
in-lbs (8 Nm).
Yoke Reassembly
1
Press the filter guard (31) into the yoke clamp connector (32).
Make sure the feet of the guard are facing upward and the
guard is fitted evenly.
9