Glacia Second Stage Service & Repair Manual
13
© 2000 Aqua Lung America, Inc.
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ADJUSTMENT PROCEDURES
CAUTION: Prior to adjusting and testing the Glacia second stage regulator, the accompanying first
stage must be correctly serviced, adjusted to a stable intermediate pressure of 130-135 psi, and fully
tested. This lower I.P. range is required to increase resistance to freezing. Refer to the appropriate
first stage service manual before attempting to perform the adjustment and testing of the Glacia
second stage.
1.
Thread the male fitting of the IP hose into the low pressure port of the first stage, and apply a torque
wrench with 17mm crows-foot to tighten to 40±2 inch-pounds . Attach the female end of the hose to the
second-stage inlet fitting and tighten until finger tight.
2.
Connect an intermediate pressure test gauge (P/N 111610) to the first stage via a separate low pressure
hose.
NOTE: The preferred air source for final tuning and testing is a flow bench with accurately calibrated
gauges. If a flow bench is not available, a scuba cylinder may be used, following the subjective
breathing test provided on page 12.
3.
Attach the regulator to a 3000 psi air supply. Slowly open the valve of the air supply to pressurize the
regulator.
The second-stage leaks when pressurized.
If the second-stage begins to leak, turn off the air
supply and purge the regulator. Loosen the locknut about a half turn and repressurize. Repeat this step
until the second-stage does not leak. If, after two attempts, the leak cannot be stopped by loosening the
locknut, the adjustable crown is probably not set correctly. Turn off the air supply and purge the second-
stage. Remove the hose from the second-stage. While depressing the lever, screw the crown in until it
stops, then back it out four complete turns. Reattach the hose and repeat the step.
The second-stage does not leak when pressurized.
If airflow cannot be heard, slowly tighten
the locknut until the top of the lever is flush with the top of the second-stage case (see Fig. 23). Slide a
straight edge across the face of the second-stage to ensure the lever is flus (see Fig. 24). Do not push in
on the locknut while tightening, as this will cause the lever to drop. Once the lever height is correctly
set, turn off the air supply and purge the second-stage.
Fig. 23 – Adjusting Lever Height
Fig. 24– Checking Lever Height
Summary of Contents for GLACIA
Page 25: ...TECHNICIAN S NOTES...
Page 26: ......
