1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2008 10 10 N-STATUS Replaced by WSS-M13P13-A L. Schmalz, FNA 2004 03 15 Revised Para 3.0 inserted; para 3.8, 3.9 and 4 deleted 1966 10 17 Released CP5 #457319 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1
2、 of 1 GREASE, NEEDLE BEARING ESW-M1C144-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a high temperature, homogeneous lubricant made from a sodium soap of high grade animal oils or fatty acids, combined with a refined mineral oil. 2. APPLICATION This specific
3、ation was released originally for grease used to assemble and retain needles in needle bearings for automatic transmission and steering gear assemblies. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requ
4、irements For Production Materials (WSS-M99P1111-A). 3.1 SODIUM SOAP 16 - 20% (ASTM D 128) 3.2 FREE ACID (AS OLEIC), max 0.1% (ASTM D 128) 3.3 FREE ALKALI (AS NaOH), max 0.3% (ASTM D 128) 3.4 MOISTURE, max 0.2% (ASTM D 95) 3.5 DROPPING POINT, min 216 C (ASTM D 566) 3.6 PENETRATION 220 - 250 (ASTM D 217, worked 60 strokes) 3.7 MINERAL OIL 80 - 84% (ASTM D 128) 3.7.1 Viscosity At 98.9 C 15.5 - 20.3 cSt (ASTM D 445) (mm2/s)
