Trouble Shooting Chart - Aqua Lung MRS III Operation And Maintenance

TROUBLE SHOOTING CHART

PROBLEM
Leaks at connection to EBS.
Leaks at fill connector swivel
Leaks at inline bleeder
Leaks at hose
Fill hose shows damage
Fill hose fails to shut-off when valve is
closed
Leak from fill valve
Fill valve knob turns but does not
operate valve
Fill pressure exceeds 3000 psi
Regulator leaks
FOR THE MRS III
ACTION
O-ring at fill connection is damaged or missing.
Replace O-ring.
Contaminants on O-ring or sealing surface of fill
port of EBS. Clean and inspect, repair if damage is
present.
Rebuild fill connector swivel joint.
Replace fill connector.
Tighten valve knob by hand. If valve is tight,
replace valve seat.
Replace inline bleeder.
Check fittings to make sure they are tight. If the
leak is not from the fitting where it meets another
fitting, replace hose.
Replace fill hose.
Rebuild valve.
Replace valve.
Rebuild valve.
Replace valve.
Replace valve knob. Rebuild valve.
Verify the accuracy of the gauges.
Have an authorized and trained technician adjust
the regulator. If an adjustment does not correct the
problem, rebuild the regulator and adjust.
Verify that it is the regulator that is leaking and not a
fitting. If it is a fitting see "Leak at Fittings".
Rebuild regulator.
Replace regulator
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