Aqua Lung EA-4500 LW Technical Manual page 12

12
12. Install o-ring (15) onto the dial indicator gauge (14). Install
the gauge into the port marked "G" on the HP module body
(13). Torque the gauge to a value of 45 in lb (5 Nm) using a
7/8" crowfoot and inch pound torque wrench.
WARNING: Ensure the proper gauge is being installed into
HP module body. (i.e. 3000 PSI / 207 BAR for aluminum
cylinders and 4500 PSI / 310 BAR for COPV cylinders).
Failure to do so could result in damage to the product
and serious injury or death.
13. Install o-ring (15) onto the
fill port (32).
14. Install o-ring (33) onto the fill port pin (34). Insert the fill port
pin (o-ring side first) into the male threaded end of the fill port (32).
15. Install the fill port (32) into the port opposite the dial
indicator gauge (14) on the HP module body (13). Using a
inch pound torque wrench and a 9/16" socket, torque the
fill port to a value of 90 in lb (10.2 Nm).
CAUTION: Do not over-torque the fill port into the
HP module body.
SEA-3000 LW & SEA-4500 Technical Manual
16. Use the o-ring tool to seat
o-ring (11) into the center of
the balance chamber inside
the HP module body (13).
17. Install o-ring (12) into the
groove below the threads on
the HP module body (13).
18. Install spring (10) into the
balance chamber inside the
HP module body (13). Place
the HP valve (9) through the
center of the spring.
19. Insert the valve lifter (7) into the center hole (on the top
side) of the LP module body (8). Place the diaphragm (6)
over the valve lifter, making sure it lies flat and the edges
are seated evenly inside the LP module body.
20. Place the flat side of the spring carrier (5) onto the
center of the diaphragm (6). Place the MP spring (4) on
top of the spring carrier, making sure it is centered.