1, Connecting rod wear serious, connecting rod bolts lo […]
1, Connecting rod wear serious, connecting rod bolts loose, connecting rod wear serious, spindle wear serious or damage to produce impact;
2, The belt is too loose, the main, passive belt groove does not match the slippage caused by air compressor abnormal sound;
3, After the air compressor is running without oil immediately, the metal dry friction produced air compressor abnormal sound;
4, Fixed bolt loose;
5, Fastening gear nut loose, resulting in excessive production of external air compressor air compressor percussion sound;
6, The piston has a foreign body.