GMNA-9985010-1994.pdf
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1、m 9006379 0004354 573 GENERAL MOTORS ENGINEERING STANDARDS Materials and Processes - Fuels & Lubricants FLUID, HYDRAULIC POWER STEERING 9995010 1 SCOPE. A fluid intended primarily for use for lubrica- tion and hydraulic actuation purposes in power steering systems. ASTM D92 ASTM D665 ASTM D3945 ASTM
2、 D97 ASTM D892 ASTM D4951 ASTM D130 ASTM D2270 1.1 Fluid shall be free from water sediment, acid, particu- 3 REQUIREMENTS. lates, or other substances detrimental to proper function and performance of the system in which it is used. 3.1 RESTRICTED AND REPORTABLE CHEMICALS 2 REFERENCED STANDARDS. (GMl
3、OOOM). By 1997 start of saleable vehicles, all materials supplied to this speciEcation must comply with the require- ments listed in GMlOOOM, “Restricted and Reportable GMlOOOM ASTM D445 GM6137M ASTM D611 Properties Test Values Flash Point Fire Point Viscosity 40-Z +40x! +lOOC Shear Stability, Kinem
4、atic Viscosity +lOOC Viscosity Index Aniline Point Pour Point Corrosion and Rust Preventing Characteristics Foaming Characteristics, Volume, 10 Minutes oxidation Stability Copper Strip Corrosion Resistance Miscibility Zinc, Elemental Phosphorus, Elemental ASTM D2272 ASTM D2983 Chemicals.” 3.2 FLUID
5、PROPERTIES. See Table 1. TABLE 1 175-c min 19O C min 45OOOcPmax(Bkfld) 50.0 cSt max (KVis) 7.0 cst mill (Kvis) 5.74 cSt min (KVis) 160-185 90.5-101 C -42C max No Rust OlULllMX 200 minutes mill 3A rating max No separation or color change 40-60 ppm 200 ppm min Test Methods ASTM D92 ASTM D92 ASTM D2983
6、 ASTM D445 ASTM D445 ASTM D3945 (Procedure A, 20 passes) ASTM D2270 ASTM D611 ASTM D97 ASTM D665(Procedure A -24 h) ASTM D892 ASTM D2272 ASTM D130, (1 h/15o C) GM6137M (Test A) ASTM D495 1 ASTM D495 1 NOTE: Other procedures of equivalent scope and precision may be used provided correlation has been
7、established. 3.3 PERFORMANCE REQUIREMEWS. 3.3.1 Any material approved against this specification must pass steering system and/or component performance and dura- hility testing as specified by the control division. samples have been approved by engineering as meeting the requirements of this specifi
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