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SYMPTOM
Oil carryover
Air/oil under pressure will cause severe personal injury or death. Shut down
compressor, relieve system of all pressure, disconnect, lockout and tagout
power supply to the starter before removing valves, caps, plugs, fittings, bolts
and filters.
Gardner Denver factory remanufactured replacement compressor airend units
are available from your authorized distributor, on an exchange basis, for all
rotary screw compressor units.
POSSIBLE CAUSE
1.
Overfilling the reservoir.
2.
Clogged, broken or loose
oil return lines.
3.
Ruptured oil separator
element.
4.
Loose assembly.
5.
Foam caused by use of
incorrect oil.
6.
Inoperative minimum
pressure valve.
7.
Operation at elevated
discharge temperatures.
8.
Scavenge line check valve
failure.
9.
Water condensate in oil
NOTICE
13-10-616
Page 71
REMEDY
1.
Drain excess oil from
system.
2.
Tighten or replace faulty
lines.
3.
Replace element.
4.
Tighten all fittings and
gaskets.
5.
Use Gardner Denver
AEON 2000, 4000 or
9000SP lubricating
coolant.
6.
Clean out or replace
valve.
7.
Reduce temperature. See
"High Discharge Air
Temperature", this
section.
8.
Replace check valve.
9.
Check oil reservoir
temperature, and if low,
change thermal mixing
valve element to higher
temperature.
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