Rogers GPKD-1550-H, Инструкция по эксплуатации, Страница: 44 / 49

44
CONDITION POSSIBLE CAUSE SUGGESTED REMEDY
High compressor
outlet air temp. 1. Dirty aftercooler core.
2. Obstructed cooling air flow.
3. High ambient temperature.
1. Clean aftercooler (see section 6.4).
2. Check for and remove any foreign material
blocking air flow.
3. See High Inlet Air Temperature.
High oil
temperature 1. Oil level too high.
2. Dirty oil cooler core.
3. Gearcase sump breather element
plugged.
4. Obstructed cooling air flow.
1. Lower oil level to center of sight gauge.
2. Clean oil cooler (see section 6.4).
3. Replace element.
4. Check for and remove any foreign material
blocking air flow.
Failure to load. 1. 4-way solenoid valve defective.
2. Capacity Control Valve diaphragm
ruptured.
3. Capacity Control Valve bushings
defective.
4. Trouble with pressure transmitters.
5. Manual unload selected.
6. PLC Control not sending signal to
unloading valve.
7. Unloading valve relay defective.
8. Ruptured shuttle valve diaphragm.
1. Repair or replace unloading valve.
2. Replace diaphragm.
3. Repair Capacity Control Valve.
4. Check transmitter connections and wiring.
5. Press load button.
6. Check output to unloading valve relay for
voltage.
7. Replace unloading valve relay.
8. Rebuild or replace shuttle valve.
Air leaking from
bleed-off
silencer when
loaded. 1. Capacity Control Valve bushings
defective.
2. Damaged bleed-off valve disc.
3. Leak in control tubing.
4. Leaking diaphragm in shuttle valve.
5. Leaking diaphragm in CCV.
6. 4-way solenoid valve defective.
1. Repair Capacity Control Valve.
2. Install new bleed-off valve disc.
3. Check for and repair tubing leaks.
4. Replace shuttle valve.
5. Rebuild CCV.
6. Replace 4-way solenoid valve.
Abnormal noise
from compressor
element. 1. Coupling problems.
2. Gear trouble
3. Bearing trouble.
1. Inspect and repair coupling.
2. Overhaul gear assembly.
3. Replace affected stage.
Abnormal noise
from oil pump. 1. Oil level too low.
2. Defective pump.
3. Damaged coupling.
1. Add oil to recommended level.
2. Replace pump.
3. Replace coupling.
Abnormal noise
from capacity
control valve
when loading. 1. Bushings worn in capacity control valve.
2. 4-way solenoid valve trouble.
3. Control tubing leaks.
1. Rebuild valve.
2. Replace 4-way solenoid valve.
3. Check tubing and correct faults.