Rogers GPKD-1550-H, Инструкция по эксплуатации, Страница: 45 / 49

45
CONDITION POSSIBLE CAUSE SUGGESTED REMEDY
Safety valve lifts
in normal
operation. 1. Pressure settings too high.
2. Defective pressure transmitter.
3. Service valve to air system closed.
1. Set load and unload settings to proper
range for motor horsepower.
2. Replace transmitter.
3. Open valve.
Oil level rises
without adding
oil. 1. Condensation in oil. 1. Check oil operating temperature.
Change Oil.
Oil pressure
drops during
operation. 1. Oil level too low.
2. Oil filter plugged.
3. Oil pressure control valve defective.
4. Oil leak.
5. Oil pump defective.
6. Oil cooler dirty.
1. Add oil to maximum level.
2. Replace filter element.
3. Repair or replace valve.
4. Locate and repair leak.
5. Replace pump.
6. Clean cooler (see section 6.4.h).
Oil leakage from
air vents on
stage. 1. Sump breather element plugged.
2. Oil level too high.
3. Faulty discharge check valve.
1. Replace element.
2. Lower oil level to center of sight gauge.
3. Repair or replace check valve.
Oil leakage at
main drive shaft
seal. 1. Sump breather element plugged.
2. Shaft seal worn.
3. Worn bull gear bearings.
1. Replace element.
2. Replace shaft seal.
3. Replace bull gear bearings.
Unit shuts down
for no apparent
reason. 1. Unloading timer timed out, Standby.
2. Intermittent power outage.
3. Faulty stop button or stop button wiring.
1. Unit designed to shut down if unloaded for
15 min. Consult your local distributor.
2. Compressor must be manually restarted
after power is restored. Automatic restart is
available; consult your local distributor.
3. Inspect and repair as needed.
Low capacity. 1. Dirty air inlet filter.
2. Defective bleed-off valve disc.
3. Defective diaphragm in capacity control
valve.
4. Aftercooler core leaking.
1. Clean or replace element.
2. Replace disc.
3. Replace diaphragm.
4. Replace aftercooler.
Intercooler
pressure below
normal or
pulsating. 1. Dirty air inlet filter.
2. Defective 1st stage.
3. Pressure transmitter malfunction.
4. Leak in intercooler moisture drain line
check valve.
5. Leaking diaphragm in shuttle valve.
1. Clean or replace elements.
2. Replace 1st stage.
3. Check transmitters, wiring, IO Blocks.
4. Repair or replace check valve.
5. Replace shuttle valve.