25
375 John Deere Standard and Aftercooled/Filtered Operator’s Manual and Parts List
DESCRIPTION
Refer to Figure 2-9 for the locations of the following
indicators and controls:
The compressor discharge temperature gauge 1.
monitors the temperature of the air/oil mixture in the
sump.
The air pressure gauge continuously monitors the 2.
sump pressure under various load conditions.
The engine switch energizes the system and starts the 3.
compressor. The engine switch is pressed to the ON
position to energize the electrical system, and pressed
momentarily to the START position to engage the
starter and start the compressor.
The idle warm-up control is turned from START to 4.
RUN after sufcient warm-up is achieved for full
compressor operation.
The pressure selector valve on “H” compressors 5.
allows the selection of the compressor operating
pressure range, 80 to 110 psig (5.6 to 7.6 bar) or 80 to
165 psig (5.6 to 11.4 bar) for “H” models, or 80 to 220
psig (5.6 to 15.2 bar) for “HH” models.
The shutdown indicator light indicates engine and 6.
compressor safety shutdown status.
The engine warning lamp indicates when an abnormal 7.
condition exists. It is not necessary to shutdown the
engine immediately, but the problem should be
corrected as soon as possible.
The engine wait to start lamp is illuminated when 8.
conditions are not right for starting.
The engine stop lamp signals when the engine should 9.
be stopped immediately or as soon as possible to
prevent engine damage. Correct the problem before
restarting.
The fuel level gauge indicates the uid level in the fuel 10.
tank.
The PowerView® is a multifunction tool that allows 11.
operators to view a wide range of engine parameters
and engine service codes.
Compressor Discharge Temperature Gauge 1.
System Air Pressure Gauge 2.
Start/Stop Switch 3.
Warm-up Control Switch 4.
High/Low Pressure Selector Switch 5.
Shutdown Indicator 6.
Engine Warning Lamp 7.
Engine Wait to Start Lamp 8.
Engine Stop Lamp 9.
Fuel Level (optional)10.
Engine PowerView Monitor11.
Figure 2-9: Instrument Panel Group
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