72
Valve manifold (removed from machine for clarity, removal of manifold is not necessary for
cleaning or inspection)
Type 2 Valve Manifold
The most common place for leaks to occur is at the junction of the test port fitting to the valve
manifold.
Valve 2
Valve 1
Pressure Transducer
Pneumatic Diagram
When the test pressure is vented, the airflow path is through Valve 1 (on) and out to atmosphere through
Valve 2 (off).
Debris from test parts or dirty air can be trapped under the piston of the 2-Way valve, holding the valve in
an open position.
Test Port
Fitting
Pressure Transducer
2-Way Valve
Cylinder Head Screws
3-Way
Valve
