Excessive compressor lubricant consumption is mainly due to the following factors:

1. Lubricating oil is too thin (high oil temperature, the grade does not meet the requirements)

2. Lubricating oil pressure is too high;

3. The clearance between piston and cylinder is too large;

4 cylinder out of round or excessive wear;

5. Cylinder oil:

1) The piston ring wears too much and loses elasticity;

2) The piston ring bites in the ring groove

3) Piston ring groove clearance is too large;

4) Install the wrong piston ring.

6. The crankshaft bearing or connecting rod bearing clearance is too large;

7. The crankcase temperature is too high or poor ventilation;

8. Lubricator rod lubricated by splash lubrication method is too long or the crankcase oil level is too high