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2
4.
As each individual regulator is disassembled, reusable components should be segregated to prevent
them from mixing with nonreusable parts or parts from other regulators. Delicate parts, and those
which contain critical sealing surfaces, must be protected and isolated from other parts to prevent
damage during the cleaning procedure.
5.
Use only genuine Aqua Lung parts purchased directly from Aqua Lung when servicing any Aqua Lung
product. Substitution with another manufacturer's parts constitutes an aftermarket modification of the
product, and renders the original warranty null and void.
6.
Do not attempt to reuse mandatory replacement parts under any circumstances, regardless of the amount
of use the product has received since it was manufactured or last serviced.
7.
When reassembling, it is important to follow every torque specification prescribed in this manual, using a
calibrated torque wrench. Most parts are made of either marine brass or plastic, and can be permanently
damaged by undue stress caused by overtightening.
INITIAL INSPECTION PROCEDURE
EXTERNAL INSPECTION
1.
Visually inspect the first-stage sintered filter to check for any signs that contaminants may have entered
the system, such as moisture, rust, aluminum oxide, or charcoal.
NOTE: A green discoloration positively indicates that moisture has entered the regulator, and inter-
nal corrosion is therefore likely to be found in the first-stage. A white or rust colored residue usually
indicates that the regulator has been used with a corroded aluminum or steel cylinder. Advise the
customer of the proper methods for maintaining the regulator, and the possible need to obtain service
for their cylinder.
2.
Slide back the hose protector(s) to inspect the condition of the LP hose at its fittings and along its length.
Check closely for any signs of blistering or abrasion, or corrosion of the fittings.
3.
Inspect the condition of the mouthpiece to check for torn bite tabs, holes, or deterioration.
PRESSURE TEST
1.
Prior to performing any disassembly, ensure that the second-stage is connected to a first-stage with a
stable intermediate pressure of 130-135 psi, with no open ports or hoses.
2.
Listen closely to check for any signs of leakage from the second stage. If necessary, immerse the
second stage in water to locate the source of any leakage found and refer to "Table 1 - Troubleshoot-
ing" to determine its possible cause.
CAUTION: If the second stage freeflows uncontrollably, immediately shut the cylinder valve and
proceed directly to the Disassembly Procedure. Do not attempt to further inspect the regulator while
pressurized.
3.
Depress the purge button to determine whether sufficient airflow is provided to clear the second stage of
water. Immediately after releasing the purge button, listen closely to ensure that no air continues to flow
from the second stage.
4.
Turn the cylinder valve shut and depress the second stage purge button to depressurize the regulator
before proceeding to the following Disassembly Procedure.
© 2000 Aqua Lung America, Inc.
Glacia Second Stage Service & Repair Manual
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