PAIR Reed Valve

Remove PAIR reed valve. See Fig 1. Using vacuum pump, apply vacuum to vacuum diaphragm on PAIR reed valve. Apply air pressure to PAIR reed valve. See Fig 4. Ensure PAIR reed valve is open and air passes through PAIR reed valve.
Release vacuum from vacuum diaphragm on PAIR reed valve. Apply air pressure to PAIR reed valve. See Fig 4. Ensure valve is closed and no air passes through PAIR reed valve. Replace PAIR reed valve if defective.

Fig 1: Identifying PAIR System Components

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Fig 2: PAIR System Operation

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Fig 3: PAIR System Operating Parameters Chart

Fig 4: Checking PAIR Reed Valve