AirWave Octo
6
AirWave Octo Service and Repair Manual
Preliminary Inspection
External Inspection
1. Closely examine the conical filter to check for any signs
that contaminants have entered the system, including sea
water, rust, or aluminum oxide.
NOTE: A green discoloration of the filter indicates that
moisture has entered the regulator, and internal corro-
sion has possibly occurred. Other types of discoloration
may indicate that the regulator has been used with a
corroded cylinder. Advise the customer of this, and the
possible need to obtain service for the cylinder.
2. Slide back the hose protectors, if present, to visually
inspect the condition of the hoses, especially at their fit
-
tings.
3. Closely examine the finish of the first stage to check for
any chips, scratches, or other damage that exposes the
brass beneath the finish.
CAUTION: Do not clean any parts that show damage
to their finish inside an ultrasonic cleaner.
4. Closely examine all parts of the first stage for any other
signs of external corrosion.
Immersion / Leak Test
1. Check to ensure that the regulator is fully assembled and
connected to a second stage, and that there are no open
ports or hoses. Connect the first stage to a cylinder that
is filled with 3,000 psi, and open the cylinder valve to
pressurize the regulator.
2. If leakage cannot be heard, or if the source of leakage
detected audibly is not obvious, immerse the first stage in
fresh water to check further for any signs of air leakage,
especially at the fittings of hoses.
3. Note the source of any leakage found and refer to
the
Troubleshooting Guide
to determine its possible
cause.
4. Close the cylinder valve and depress the second stage
purge button to depressurize the regulator before per-
forming the next procedure.
2
SECTION
