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Variable Induction Check Valve: Testing and Inspection
VARIABLE RESONANCE INDUCTION SYSTEM (VRIS) CHECK VALVE (ONE-WAY) INSPECTION 1.
Remove the check valve.
2.
Blow through port A and verify that air flows from port B.
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If not as specified, replace the VRIS check valve (one-way).
3.
Blow through port B and verify that air does not flow from port A.
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If not as specified, replace the VRIS check valve (one-way).