TXES02 series compressor--How to clean or replace the high pressure part check valve

Problem:
1. The compressor can generate the air, and the air flow is fine, but it can't reach high pressure air (No air leaking in other places)
2. The compressor is in load status.
3. The compressor lack of power, it will buzz and stop when generate the high pressure air.
Solutions:
Check the valve ( Clean it or replace the parts if necessary)