13–8–606 Page 45
SYMPTOM
POSSIBLE CAUSE
REMEDY
Compressor is low on
1.
Restricted air filter.
1.
Clean or replace filter.
delivery and pressure.
2.
Sticking inlet valve.
2.
Inspect and clean inlet
valve.
3.
Subtractive pilot or unload
3.
Adjust the valve or unload
pressure adjusted too low.
pressure. See page 24.
4.
Minimum pressure valve
4.
Replace valve.
stuck closed.
High discharge air
1.
Thermostatic mixing
1.
Repair or replace valve.
temperature.
valve stuck open.
2.
Dirty or clogged cooler face.
2.
Clean cooler.
3.
Insufficient cooling
3.
Provide unrestricted supply
air flow.
of cooling air.
4.
Clogged oil filter or
4.
Replace filter or clean
cooler (interior).
cooler.
5.
Low compressor oil.
5.
Add oil to proper level.
Excessive Oil Consumption
1.
Oil carryover through lines.
1.
See “Oil Carryover”, in this
section.
2.
Oil leaks at all fittings
2.
Tighten or replace fittings
and gaskets.
or gasket.
Oil Carry–Over
1.
Overfilling the reservoir.
1.
Drain excess oil from
system.
Air/oil under pressure will cause severe personal injury or death. Shut down com-
pressor, relieve system of all pressure, disconnect, tag and lockout power supply
to the starter before removing valves, caps, plugs, fittings, bolts, and filters.
2.
Clogged, broken or loose
2.
Tighten or replace faulty
oil return lines
lines.
3.
Ruptured oil separator
3.
Replace element.
element.
4.
Loose assembly.
4.
Tighten all fittings and
gaskets.
5.
Foam caused by use of
5.
Use Gardner Denver
R
incorrect oil.
AEON
t
4000 or 9000 SP
Lubricating Coolant.
6.
Inoperative minimum
6.
Replace valve.
pressure valve.
Summary of Contents for EDF-KB
Page 14: ...13 8 606 Page 6 DECALS 206EAQ077 212EAQ077 218EAQ077 211EAQ077 207EAQ077...
Page 15: ...13 8 606 Page 7 DECALS 216EAQ077 217EAQ077 222EAQ077 221EAQ077 208EAQ077...
Page 34: ...13 8 606 Page 26 FIGURE 4 10 WIRING DIAGRAM FULL VOLTAGE DUAL CONTROL 208EDF546 Ref Drawing...
Page 36: ...13 8 606 Page 28 FIGURE 5 1 FLOW DIAGRAM 204EDF797 Ref Drawing...
Page 58: ......
