This standard specifies the solid particle contamination levels, measurement methods, selection and replacement of hydraulic oil for mobile cranes. This standard applies to mobile cranes (hereinafter referred to as cranes) defined in GB/T 6974.2.
JB/T 9737-2013 Referenced Document
GB 11118.1 Hydraulic fluids of L-HL、L-HM、L-HV、L-HS and L-HG type
GB/T 17489 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system*, 2022-10-12 Update
GB/T 18854-2002 Hydraulic fluid power--Calibration of liquid automatic particle counters
GB/T 20082 Hydraulic fluid power-Fluid contamination-Determination of particulate contamination by the counting method using an optical microscope
GB/T 4756 Method for manual sampling of petroleum liquids*, 2015-12-31 Update
GB/T 6974.2 Cranes—Vacabulary—Part 2: Mobile cranes*, 2017-10-14 Update
ISO 11500 Hydraulic fluid power — Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle*, 2022-12-21 Update
JB/T 9737-2013 history
2013JB/T 9737-2013 Mobile cranes.Solid particle pollution grade, measurement and selection of the hydraulic fluid
2000JB/T 9737.3-2000 Truck crane and wheel crane.Chosing and replacing of the hydraulic fluid