Troubleshooting Issues With Air Compressor Pump Safety Valves

We had a client call us about an air compressor pump not working properly, only holding 60 pound-force per square inch (PSI) to their plant. It is easy to sell someone a new compressor, but asked for a photo of their current system to ensure we offered the correct solution. 

After receiving the picture, we found a piece of granite countertop holding down their safety valve on the second stage — a big safety no-no. It is not recommended to remove the safety valve or hold it down with any item; the safety valve is there for a reason. 

If the safety valve "pops" it is best to:
- Replace the Safety Valve
- Inspect/replace the Check Valve
- Inspect/replace the compressor 1st and 2nd stage valves

If the compressor pump has discoloration on the discharge pipe, this could be a result of the compressor pump reaching the upper end of its duty cycle. This means it may be time to replace it with a newer, larger compressor pump (increasing the horsepower size) or with a new rotary screw air compressor. Rotary screw air compressors can operate at 100% duty versus a piston pump rated at 60%. Piston pumps require a "time out" to cool between cycles. 

If the compressor items are in good condition and the compressor pump is beyond repair, replace only the compressor pump and retrofit a new style on the air tank. This is an inexpensive solution when compared to buying an entirely new system. 


Tips for Keeping a Compressor Pump Running;
- Size the pump correctly
- Change the compressor oil frequently.  Piston oil is inexpensive, change the oil every 4-6 weeks
- Keep the Inlet filters clean and replace accordingly*  
- Drain the tank weekly or install a tank drain
- Keep the compressor pump clean

*Pipe intake filters outside if the compressor pump is near an exterior wall. First, ensure you have outdoor filter assemblies to protect the filter element. 

Remember, your air compressor is the lifeline for your business.  Spending short money on maintenance can eliminate compressor downtime and keep your business in operation.