Section 7
MAINTENANCE
47
TROUBLESHOOTING (continued)
SYMPTOM PROBABLE CAUSE REMEDY
PRESSURE RELIEF VALVE
OPENS REPEATEDLY Defective Pressure Relief Valve Replace pressure relief valve.
Check Separator Differential
(plugged)
∆P1.
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
orforoilvaporremoval.Changecartridgesas
recommended by the filter manufacturer.) Check all
drain traps routinely to insure their proper
operation. Maintain them regularly.
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