Olympus UHI-2 Wartungshandbuch - Seite 19

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1-6 Noise is generated in the unit. (Noise check)

Noise check

Is noise generated during

halt of operation?

Is noise generated during

gas feeding?

End

Gas leaks in the high pressure part.

Check the joints of each pipe.

Primary pressure

reducer safety valve?

Electric-

pneumatic ratio

valve?

Manifold U?

Note 1: With the characteristic of the electric-pneumatic ratio valve, if gas is fed

with the connector opened, the safety valve may function. This is not a

defect.

2-7

TROUBLESHOOTING

Looseness?

Hole?

Replace the primary

pressure reducer.

Note 1

Replace the electric-

pneumatic ratio valve.

Replace the manifold U.