Air Compressor Specifications
| Pressure | {'20': [100, 125, 150, 175], '25': [100, 125, 150, 175], '30': [100, 125, 150, 175]} PSI |
|---|---|
| Lubrication | oil-cooled |
Troubleshooting
4Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| THE COMPRESSOR DOES NOT START | A) Main switch open. b) Phase missing. c) Fuse. d) Insufficient voltage at motor terminals. e) Compressor under pressure. f) Low temperature. | A) Close the switch. b) Check the circuits. c) Replace. d) Check the voltage and the connections. e) Check the vacuum device and change if necessary. Check the water-tightness of the minimum pressure valve. f) Maintain temperature ≥2 °C |
| THE COMPRESSOR OVERHEATS | A) Ambient temperature too high. b) Obstruction of the passage of cooling through the oil cooler. c) Oil level too low. d) Oil circuit blocked. | A) Make openings or install ducts to evacuate the hot air (see Section 2). b) Clean the cooler (see Section 5 - D). c) Check and top-up oil level. d) Check that the oil filter is clean. Drain. Replace the cartridge. |
| THE COMPRESSOR STOPS WHEN THE MOTOR PROTECTION UNIT TRIPS | A) Compressor motor overload. b) Phase unbalance | A) Check the electric connections are tighten. Check the pressure of the compressed air and the pressure settings. b) Check the phases currents |
| OPENING OF SAFETY VALVE | A) To clean separator cartridge. b) Valve of suction box out of use or not closed. c) Faulty pressure switch, sensor or solen | A) Change the separator cartridge. b) Check valve, piston and joints of suction box. c) Check that the pressure switch and sensor or solen are in good condition. |
Fault codes and symptom→remedy steps extracted from this unit’s service/owner documentation; verify against the official manual before servicing.
Available documents
Service manual
About
Chicago Pneumatic QRS 20-25-30 — air compressor. Specifications and parts compiled from manufacturer documents.