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MALFUNCTION POSSIBLE CAUSE REMEDY
Air receiver-oil control pressure or control lines
continued regulator valve supply
and control air lines.
b. Incorrectly adjusted b. Adjust controls.
control pressure regulator
valve.
c. Dirty, clogged, or c. Clean, repair or replace
damaged control regulator valve.
pressure regulator valve.
2. Worn or damaged intake 2. Disassemble, inspect, clean
valve. and repair intake valve.
3. Incorrect pressure relief 3. Install correct pressure
valve installed. relief valve.
4. Damaged or worn pressure 4. Renew pressure relief
relief valve. valve.
5. Restricted separator element. 5. Renew separator element.
Unit shut down caused 1. Air end discharge 1.
by air end discharge or temperature too high due to:
or separator out high
temperature. a. Insufficient oil in oil a. Fill reservoir too correct
reservoir. level with recommended
oil.
b. Compressor operating b. Adjust to correct
above maximum pressure.
recommended pressure.
c. Dirty or clogged oil c. Clean or replace oil
cooler inside or out. cooler.
2. Faulty high temperature 2. Renew high temperature
shut down switch. shut down switch.
3. Low compressor oil flow. 3.
a. Check for restricted
oil filter. Change
element as required.
b. Check for and correct
cause of restriction in
oil system including
hoses, fitting tubes, etc.
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