Page 110 of 116
©HALE PRODUCTS, INC. Our policy is one of continuous development. We therefore
reserve the right to amend specifications without notice or obligation.
Air Intake Inlet Needle Valve
This valve controls the amount of air
pressure dumping to atmosphere. The
more air dumping the farther the air intake
plunger opens.
• Air flow for wet is too great
o Needle valve is open too far.
• Air/Water not tracking
o Needle valve is closed too far.
o Needle valve is clogged.
• Air/Water is not dry enough
o Needle valve is closed too far.
See instructions on page 89.
12V: 038-2101-00-0
24V: 038-2100-02-0
Air Pressure Bypass Solenoids
These solenoids provide quick air
pressure relieve for system upon shutoff
of air injection signal.
• System air exhaust noise upon quick
RPM drop
o Solenoids are not activating
o Solenoids activating but lines
could be clogged
COMPRESSOR OPERATION
Plate style heat exchanger cools the oil
from the oil separator for the compressor
with discharge water from the pump.
Thermostatic Valve 038-1390-00-0 opens
at 150°F (65°C) to allow the oil to run
through the heat exchanger otherwise it
bypasses the heat exchanger.
• Not opening
o No air from solenoid.
o Air port from solenoid is clogged.
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