1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 28 N-STATUS Replaced by WSS-M2C938-A / WSS-M2C204-A2 M. Swain 2004 05 20 Revised Para 3.0 inserted; para 3.1, 3.2, 3.18 thermal stability test excepted. 3.11 VANE PUMP WEAR TEST, weight loss, max 10 mg (ASTM D 2882 at 80 +/- 3 C, 6.9 M
2、Pa) 3.12 TOXICITY Shall be non-toxic and shall not cause skin rash or irritation (dermatitis) to exposed handlers in normal production and servicing operations. ENGINEERING MATERIAL SPECIFICATIONWSA-M2C195-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 3.1
3、3 FOUR BALL WEAR TEST, max diameter of scar 0.450 mm (ASTM D 4172, 2 h at 93 +/- 3 C) 3.14 MOISTURE, max 0.05% (ISO 3733/ASTM D 95) 3.15 OXIDATION TEST (FLTM BJ 110-04, 250 h) Pentane Insolubles, max 1.0% Differential Infrared Carbonyl Absorbance, max 40.0/cm Total Acid Number Change, max 4.0 Viscos
4、ity Change at 40 C, max 40% 3.16 EFFECT ON FORD MOTOR COMPANY POWER STEERING HOSE Production level power steering hose shall meet the specified impulse test requirements when WSA-M2C195-A is used. Note: See para 3.7.7 for high pressure hose per ESA-M2D17-B, para 3.9.10 for low pressure hose per ESA-
5、M2D122-B1/B3, para 3.7.4 for high pressure hose per ESL-M2D281-A, and para 3.6.6 for high pressure hose per WSA-M96D36-A1. 3.17 COMPATIBILITY No observed separation in mixtures of ESP-M2C166-H transmission fluid with WSA-M2C195-A power steering fluid when equal volumes of each are heated together to 150 +/- 3 C for 1 h and then cooled to - 30 +/- 1 C.
