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©HALE PRODUCTS, INC. Our policy is one of continuous development. We therefore
reserve the right to amend specifications without notice or obligation.
Figure 50: Compressor Intake Adjustment
g. Increase engine speed to 100 psi. Air pressure should follow.
h. Increase engine speed to 125 psi. Air pressure should follow.
i. Increase engine speed to 150 psi. Air pressure should follow.
j. Slowly reduce engine speed to 900 RPM. (Compressor will make howling noise that is
much louder if speed is reduced quickly).
3. If the system is still not tracking then there might be an issue with the air balance valve.
a. If you can’t get the system to go wet, but can get it to go dry or there is a large delay in
air pressure when increasing/decreasing water pressure. Grease the O-ring indicated
in Figure 51.
b. If you can’t get the pressure to match in either wet or dry operation the air balance valve
may be damaged. Remove the air balance valve and measure the ID of the water
pressure inlet, if it is less than 5.97 mm it may be damaged.
Figure 51: Air Balance Valve (61215) Cross Section
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