Section 6
MAINTENANCE
24
6.8 TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM PROBABLE CAUSE REMEDY
LINE PRESSURE RISES ABOVE Inlet V alve Stuck Open Inspect inlet valve and insure free operation
CUT -- OUT PRESSURE SETTING (s ee Section 6).
ON PRESSURE SWITCH (cont.)
EXCESSIVE COMPRESSOR Clogged Return Line Remove element cover and clean orifice.
FLUID CONSUMPTION
Separator Element Damaged Or Change separator element.
Not Functioning Properly
Leak In The Lubrication System Check all pipes, connections and
components.
Excess Fluid Foaming Drain and change.
Fluid Level Too High Drain excess.
Shaft Seal Failure Replace shaft seal.
PRESSURE RELIEF VALVE Compressor Operating Pressure See Symptom “Line Pressure Rises Above
OPENS REPEATEDLY Too High Cut--out Pressure Setting on Pressure
Switch” above.
Defective Pressure Relief Valve Replace pressure relief valve.
LIQUID WATER IN COMPRESSED Water Vapor Condensation From Cooling Remove the water vapor from compressed air prior
AIR LINES and Compression Occurs Naturally to distribution through the air system. Check
operation of aftercooler and moisture separator.
Install a compressed air dryer sized for the flow and
dryness level required. (Note: Filters may also be
required to remove particulates, liquid oil aerosols
or for oil vapor removal. Change cartridges as
recommended by the filter manufacturer.) Check all
drain traps routinely to insure their proper
operation. Maintain them regularly.
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