SECTION 2 300HH, 375, 375H, 375HH, 425 AND 425H USER MANUAL R00
21
the inlet valve closed for engine idle operation. Within
30 seconds of starting the compressor (the
instrument panel annunciator light goes off after 30
seconds) turn the handle of the warm-up selector
valve (located on the instrument panel) from the
START to the RUN position. The inlet valve is fully
open due to inlet pressure, and the compressor
operates at full capacity. When the compressor
operates at full capacity, the engine runs at full
speed.
ST
NDARD MODE
FTERCOOLED MODE
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2
3
4
5
6
7
8
9
10
11
12
SU_0000665
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1. Engine
2. Strainer
3. Minimum Pressure/Check Valve
4. Service Air Outlet
5. Receiver Tank
6. Separator Element
7. Non-Aftercooled/Aftercooled Service Air
Valve
8. Service Air Outlet
9. Receiver Tank
10. Optional Discharge Air Filters
11. Moisture Separator
12. Aftercooler
13. Air
14. Fluid/Air
Figure 2-3: Compressor Discharge System—Standard and Aftercooled Models
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