© Copyright 2003-2019 Dive Lab® Inc. All rights reserved.
This Guide is made available for the express use of owners and users of the Dive Lab XLDS systems.
This information is subject to periodic updates and changes. Always check the Dive Lab web site for the latest versions.
Document XLDS Guide – Section Four A
Revised September 30, 2019
42
SECTION FOUR A: RDC REPAIR / MAINTENANCE / OVERHAUL
Figure 75
Following are the steps to disassemble and
inspect the one-way valve assembly (68).
1. Remove the one-way valve assembly from
the ICS bottle adapter (24), using the 1 inch
open end wrench. Remove O-ring (6).
2. Remove the cap (4), poppet (9), O-ring (8),
and spring (3), discard the O-rings back up
ring, and spring. Do not remove the cage (2).
(The cage should never be removed.) The
function of the cage is to prevent the poppet
O-ring (63), from blowing out of place during
high flows. The newer style one-way valves
have a brass cage, which is machined into the
body. The older style SS cage is acceptable,
and the flow performance is the same.
3. Clean all the metal components, then rinse
parts and blow, or air dry. Remove any
corrosion by soaking in the 50/50 vinegar
solution, and brushing with a brass or
stainless brush. Re-clean after using the
vinegar solution, then rinse thoroughly and
inspect for signs of contamination, corrosion,
and damage. When finished, air or blow dry
all components, then lay out on a clean
surface for reassembly.
4. Lightly lubricate the two new O-rings (8, 6),
then install O-ring 6, and split ring 5, on the
cap 4. The split ring mounts in the groove
closes to the hex.
5. Install the O-ring (8), on the poppet (9), then
set the poppet into the cap 4 and holding
upright, lower the body (1), over the spring
and cap assembly then thread together and
torque to 150 inch lbs.
6. Install the thread sealing O-ring (6), on the
body (1).
7. Install Teflon tape on the umbilical adapter,
then install into the cap and tighten securely.
8. Install the one way assembly into the bottle
adapter, and torque to 150 inch lbs.
9. Test by opening the EGS valve, then try to
blow air into valve then suck back. The valve
should allow flow when blowing, but should
not allow any air to pass, when sucking.
Cleaning / Inspection of the ICS
Manifold Block
Figure 76 Manifold
Mounted
on ICS
NOTICE
A maximum of three shims may be used only. If
three shims do not restore the proper pressure
range the spring (8), should be replaced. For adding
or removing shims, refer to the disassembly and
reassembly section, of the ICS regulator overhaul.
