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Safety
Introduction
Product Overview
Installation
Operation
Troubleshooting
Maintenance
Calibrating the System—Unload Mode
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3
4
4
5
6
Use the illustrations and instructions to calibrate the
system for unload mode.
When operating the system:
•
Always start the system in auto or unload mode.
•
Always circulate enough cool water to regulate
the compressor oil temperature during operation.
•
Never operate the system with the compressor oil
temperature above 250°F (121°C).
1 Use caution when performing this procedure.
• Rotating parts can cause
severe injury or death.
Moving Parts
• Do not enter or reach into
the compartment when
equipment is operating.
2 Toggle the auto-sync switch to the
Unload
position.
3 Close all air discharges before calibration.
4 Locate the air inlet trim valve on the
compressor, then turn it clockwise until fully
closed. From the closed position, turn it 3 full
turns counterclockwise.
5 Locate the trim valve on the balance valve
assembly, then turn it counterclockwise until
fully open.
6 Idle the engine and flow water through the
pump, then engage the PTO. The gauge should
read a
pproximately 40 psi
(2.8 bar).
Note:
Do not engage the PTO when the engine
speed is above 1000 rpm.
