First Stage Assembly - Aqua Lung CONSHELF XIV Technical Manual

12
WaRNINg: use only genuine aqua Lung
and components whenever assembling any aqua Lung
DO NOT attempt to substitute an aqua Lung
manufacturer's, regardless of any similarity in shape, size or
appearance. Doing so may render the product unsafe, and could
result in serious injury or death.

First Stage assembly

1
Screw an empty CO
2
100395) into one of the MP ports on the first stage body (16).
Mount the first stage body in a bench vise, mainspring side facing
upward, by the means of the CO
2
Lightly lubricate the port plug o-rings (19 & 21) and place them
on the corresponding first stage port plug (20,23,24).
3
Install one of the MP port plugs (20) and HP port plug (23 or
24). Using a 1/2" crowfoot or socket attached to a in/lb torque
wrench, tighten the port plugs to 15 in/lbs (1.7 Nm).
Note: Do not install remaining port plugs. Set it aside for later
installation. Leave the other two MP ports open for connection to
a test bench or MP test gauge (PN111610), and a second stage
hose during subsequent regulator adjustment and testing.
parts, sub-assemblies,
®
part with another
®
cartridge or vise mounting tool (PN
cartridge or vise mounting tool.
2
4
Insert the pin support (18) into the center hole of the first
stage body.
product.
®
5
Install a new primary diaphragm (25a) into the first stage body
over the pin support (18) by pushing its edges down into the
supporting "seat" of the body. This procedure can be completed by
hand or if necessary, with the aid of a non-metallic flat ended tool.
The edges of the diaphragm should be evenly and firmly positioned
in the support "seat".
Note:
smooth side, place the smooth side down against the pin support.
6
Place the gasket (25b) and, then, the spring pad (26) standard,
supreme & supreme EFA, (37 dry kit) on the diaphragm. Place
the spring retainer (27 standard), (31 supreme & supreme EFA)
and (38 dry kit) over these two components and screw it clockwise
to completely onto the first stage body to a torque of 25 ± 2 ft/lbs
(33.9 Nm) using a 1-3/8" crow foot and ft lb.torque wrench.
CauTION:
and re-torque the spring retainer to 25 ± 2 ft/lbs (33.9 Nm).
Conshelf XIV Technical Manual
If the primary diaphragm (25a) displays a rough and
after torquing the spring retainer, wait 24 hours