1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 03 25 N-STATUS Replaced by WSS-M13P13-A L. Schmalz, NA 2003 10 22 Revised Para 3.0 inserted; para 4.7 and 5 deleted 1973 05 18 Redrawn after change C, added Type II CAC10-719260 Printed copies are uncontrolled Copyright 2010, Ford Global
2、Technologies, Inc. Page 1 of 3 GREASE, GENERAL CHASSIS - LIFETIME LUBRICATION ESA-M1C92-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an NLGI No. 4-5 grade grease consisting of a mineral oil and lithium soap base with additives to give the desired characteris
3、tics of a long life lubricant. This grease shall be a hornogeneous product, free from oil separations, abrasive fillers, and be non-corrosive to the lubricated parts in service. 2. APPLICATION This specification was released originally for grease used as a long life chassis lubricant for steering li
4、nkage joints. 3. COMPOSITION REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). TYPE I TYPE II 3.1 MOISTURE, % max 0.25 0.25 (ASTM D 95) 3.2 LITHIUM 12 HYD
5、ROXY STEARATE SOAP, % 3.5 - 25.0 16 - 28 (ASTM D 128) 3.3 POLYETHYLENE, % 0 7 0 - 7 3.4 DROPPING POINT, C min 177 177 (ASTM D 566) 3.5 MINERAL OIL REQUIREMENTS 3.5.1 Viscosit at 98.9 C, 20 20 cSt(mm /s), min (ASTM D 445 and D 2161) 3.5.2 Pour Point, C max -10 -10 (ASTM D 97) 3.5.3 Flash Point, C min
6、 235 235 (ASTM D 92) 3.5.4 Fire Point, C min 260 260 (ASTM D 92) ENGINEERING MATERIAL SPECIFICATIONESA-M1C92-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, Inc. Page 2 of 3 4. PERFORMANCE REQUIREMENTS 4.1 FILM-STRENGTH DURABILITY (FLTM BJ 101-04) TYPE I TYPE II 4.1.1 Tes
7、t Time With 10 lb (4.54 kg) load, 3 h 3 h No Score 4.1.2 Scar Width After 3 h, mm max 1.00 3.00 4.2 CONSISTENCY STABILITY, (mm/10) (ASTM D 217) 4.2.1 60 Strokes Worked 175 205 160 - 190 (1/4 in (6.35 mm) dia. hole plate) 4.2.2 1 x 10 6 Strokes Worked 50 max 50 max (1/4 in (6.35 mm) dia. hole plate)
8、or increase increase 1 x 10 5 Strokes Worked over 60 over 60 (1/16 in (1.588 mm) dia. strokes strokes hole plate) 4.3 OXIDATION STABILITY (ASTM D 942) 4.3.1 Pressure Drop in 1,000 h, psi max 30 (206 kPa) 40 (275 kPa) 4.3.2 Film-Strength Durability, h min One One (After Oxidation) See 4.1 4.3.3 Penet
9、ration After Oxidation, (mm/10) 50 max 50 max (ASTM D 217) increase increase Over 60 strokes, new grease 4.3.4 PDSC Induction Time, min N.A. 35 min Test Method: Induction times will be established using a pressure differential scanning calorimeter. Detail test conditions will be shown on the master
10、curve of material originally approved for use on file in the affected product engineering materials office. ENGINEERING MATERIAL SPECIFICATIONESA-M1C92-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, Inc. Page 3 of 3 4.4 CORROSION (TIMKEN CUP FROM 4.1) TYPE I TYPE II 4.4.
11、1 Place Timken Cup in 95 - 100% No rust No rust Humidity Chamber (Bell Jar) at or or 23 +/- 2 C for 300 h. Clean cup discoloration discoloration with solvent and examine visually and under microscope. 4.5 WATER WASHOUT, % max 7 7 (ASTM D 1264, 80 C) 4.6 OIL SEPARATION, ml max 5 5 (ASTM D 1742, modified to show oil separation in milliliters at 96 h)
