Page 380 - Med Plaza and Cancer Center
P. 380
Corporation
Corporation
the right connection
LINE PRESSURE REGULATOR FAULTS
SYMPTOM CAUSE CORRECTIVE ACTION
Low pressure relief valve a. Line regulator set at too high 1. Set line regulator to valve
venting a delivery pressure. specified on page 8
(Line Regulators).
b. Relief valve set at too low a 2. Replace the relief valve with a new
pressure. set in accordance with page 9
(Pressure Relief Valves).
c. Creep in line regulator. 3. Replace Line Regulator that
creeps and change seal.
SHUTTLE VALVE FAULTS
SYMPTOM CAUSE CORRECTIVE ACTION
Gas leakage a. Body halves not joined tightly 1. Tighten screws.
enough.
b. Body “O” ring leaking. 2. Replace “O” ring kit, use repair kit.
c. Gas bleeding out of shaft of 3. Replace check-valve(s).
shuttle valve, (i.e.: left side
and feeding from the right
high pressure side).
d. Shaft “O” ring leaking, (i.e.: left 4. Use shuttle valve repair kit.
side, and feeding from the left
high pressure side).
Both banks feeding a. Shuttle valve seat leaking. 1. Replace shuttle valve seal, use
repair kit.
b. Shuttle valve shaft hung up. 2. Bleed gas, reset operating
regulators.
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