This specification puts forward the principles and recommended brands for selecting grease and instrument lubricants for aircraft on-board equipment. This specification proposes working capacity calculation values for recommended grades of grease and instrument lubricants for airborne equipment. The aviation equipment referred to in this specification is limited to various motors, electric mechanisms, gyroscopic instruments and other aviation instruments that require lubrication used in aircraft and engines.
HB/Z 128-1988 history
1988HB/Z 128-1988 Selection specification for lubricating grease and instrument lubricating oil for airborne equipment