TROUBLESHOOTING Teledyne API Model 701 Zero Air Generator
7-2 01671H (DCN6051)
Problem Probable Cause Corrective Action Screws securing the
compressor to the base plate
are loose.
Tighten the screws.
Instrument vibrates
excessively. (continued) The tubing attached to the
compressor is vibrating
against a component.
Adjust the placement of the
tubing.
Air demand to too high.
Maximum air flow is 30 SLPM.
No action. Pressure will
drop as air is used.
Air Inlet impeded. Check for impediment and
remove object.
Pressure regulator is set too
low.
Adjust the pressure on the
front panel.
Pressure does not
increase to 30 psig.
Air leakage. Check for leaks. Refer to
Section 6.11.
Output pressure surges. Pressure regulator is set too
high and pegged.
(Please see Note at end of this
table).
Output air is not “Zero”. Scrubbers may be
contaminated.
Replace the scrubbers.
4-way valve is jammed; only
one column is being used.
Check to ensure the valve is
plugged in; replace the
valve.
Shuttle valve is jammed. Replace the upper manifold
assembly.
Output air is not dry.
Molecular sieve is
contaminated.
Replace the molecular
sieve.
Note:
WARNING
THE M701 NOMINAL DELIVERY PRESSURE IS 30 PSIG.
SOME APPLICATIONS MAY REQUIRE THAT THE
DELIVERY PRESSURE BE SET AS HIGH AS 50 PSIG.
NEVER SET THE DELIVERY PRESSURE HIGHER THAN 50
PSIG. TO DO SO MAY CAUSE DAMAGE TO THE M701
AND INJURY TO THE OPERATOR.