Sullair 425 - Page 24

18
375 Caterpillar Standard and Aftercooled/Filtered Operator’s Manual and Parts List
SECTION 2
Figure 2-6: Piping and Instrumentation Diagram
High
Low
Run
Warm-up
Start
Out
Out
In
In
High Pressure
Low Pressure
Standard Air
Moisture Drain
Aftercooled Air
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