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1、I GENERAL MOTORS ENGINEERING STANDARDS Materials and Processes - Fuels it shall not be perfumed and shall not become rancid or show component separation for a minimum of 6 months. The grease must not be toxic or injurious to per- sonnel engaged in its handling or use. 3.1 physical Properties. See Ta
2、ble 1. 3.2 Functional Requirements. Material must perform satisfac- torily in its specified automotive hardware applications between the temperahue of 80-C and -30C. 3.3 Chemical Requirements. See Table 2. 4 INITIAL SOURCE APPROVAL. No shipment shall be made by any supplier until representative init
3、ial production samples have been approved by engineering as meeting the requirements of this specification. 4.1 Completed copies of the GM Material Safety Data Sheet and Critical Material Register (available from the engineering department or laboratory), or equivalent, must be submitted with any ne
4、w submissions or where a composition change has occurred. 5 INSPECTION AND REJECTION. All shipments of material or parts under contract or purchase or&r manufac- tured to this specification shall be equivalent in every respect to the initial samples approved by engineering. There shall be no changes
5、 in either formulation or manufacturing processes permitted without prior notification and approval by engineer- ing. Lack of notification by the supplier constitutes grounds for rejection of any shipment. While samples may be taken from incoming shipments and checked for conformance to this specifi
6、cation, the supplier shall accept the responsibility for incoming shipments meeting this specification without depcn- dence upon purchasers inspection. TABLE I- PHYBlCAL PROPERTIES PropeaKs Worked Penetration at -20C at -20C Dropping Point, “C Bleeding Test 120C for 1 h Torque Test Start-up Torque,
7、N. m Running Torque, N. m Oil Separation, 22 h at QQC Oil Evaporation, 22 h at 99C Corrosion Test T 168 h, 38C at 100% RH 9981722 300-330 3ooa30 160 min 160 min 150 min 150 min None allowed None allowed at -30C 3 max .2 max 6% max 10% max No rust at -49-C .4 max .2 max 6% max 10% max No rust V&US 9%
8、mm 300-330 180 min 150 min None allowed at -3OC .3 max .2 max 6% max 10% max No rust 8Y3m01(3/Q1) TABLE 2 - CHEMICAL REQUIREMENTS Ropek Teflon Filler, Wt % NOTE: Thls materlal shall contain no slllcones. MARCH 1991 PAGE 1 9981722 Copyright General Motors North America Provided by IHS under license w
9、ith GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/23/2008 21:32:19 MDTNo reproduction or networking permitted without license from IHS -,-,- 1 GENERAL MOTORS ENGINEERING STANDARDS haterlals and Processes - Fuels & LubrIcantsI LUBRICANT - GREASE, TEFLON FILLED FOR AUTOMOTIV
10、E HARDWARE 9981722 9981802 9985830 6 APPROVEDSOURCES. Engineering qualification of an approved source is required for this specification. Only sources listed in the GM Corporate Materials File under this specification number have been qualified by the control divi- sion as meeting the requirements o
11、f this specification. Sources are available through the on-line MATSPC System 7 GENERAL INFORMATION. This specification was originated by Fisher Body in March 1975. The latest revisions include: Rev Date Description DiV A 8f76 9981802 added FB B 3191 9985830 added T&B 9981722 MARCH 1991 Copyright General Motors North America Provided by IHS under license with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/23/2008 21:32:19 MDTNo reproduction or networking permitted without license from IHS -,-,-