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1、9006379 OOOYb40 72L EI GENERAL MOTORS ENGINEERING STANDARDS Materials and Processes - Fuels & Lubricants LUBRICANT, TIRE MOUNTING, PREDILUTED 9985555 1 SCOPE. The material conforming to this specification AA720 shall be dipped into lubricant solution for 5 s, then shall be used to form a liquid lubr
2、icant solution that facilitates placed at a 35 degree angle at which time the drying time shall the assembly of tires onto wheels. This material is intended to begin to be measured. The rubber shall retain a water wet sur- be used without any further dilution with water. face after 20 minutes and re
3、ach a nonslip state after 24 h. 1.1 Tire mounting lubricants may be synthetic based or soap based. This specification was written to allow approval of either one. (Soap based lubricants contain vegetable oil and potash soap.) 3.1.5 Residue Solubility. Following complete evaporation (use the test sla
4、b from 3.1.4 which was allowed to dry for 24 h), the dried residue from the lubricant solution shall be easily and completely soluble in water. 1.2 All sources must identify whether their material is syn- thetic based or soap based. It is the responsibility of the source to provide documentation tha
5、t their product conforms to the properties listed below. 3.1.6 Corrosion. The lubricant solution or uncut material shall not cause any etching, pitting, or permanent corrosion on the surface of 356-6 aluminum on 1008/1010 steel. 2 REFERENCED STANDARDS. 3.1.7 Test Procedure: Use clean 25 x 75 mm stri
6、ps of the metals. Each strip shall be immersed in a separate 100 mL test tube containing 25 mL of the lubricant solution. The test tube shall be lightly stoppered with a cork stopper, supported in a beaker, then placed in an oven 40 f 2 C for 168 h. The metal strips shall be examined under magnifica
7、tion of 20x and shall evidence no more corrosion than a control sample using water. ASTM D460 ASTM D1173 ASTM D2000 ASTM E70 3 MATERIAL PROPERTIES AND TEST REQUIREMENTS. All tests are to be conducted 23 f 2 C audataRHof50f 10%. All tests are to be conducted using lubricant solution as received. (Tab
8、le 1) 3.1 SYNTHETIC BASED AND SOAP BASED. (TABLE 2) 3.1.1 Appearance. Solution, when placed in 125 mL glass container, must be light transparent. 31.2 Precipitation. The material shall not separate from the lubricant solution when stored in a clear glass container at nominal ambient conditions for 1
9、68 h. 3.1.3 Freeze-Thaw. The material shall not deteriorate (pre- cipitate, separate or be degraded in any other manner) over 3 freeze-thaw cycles. 3.1.4 Drying Time. A SBR (Styrene Butadiene Rubber) test slab (150 x 150 x 1.9 mm) meeting ASTM D2000 Grade 3.1.8 Foaming: ASTM D1173 (Use a 25 C, solut
10、ion as received) mm, at T = 0 minutes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 max mm, at T = 5 minutes . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 max 3.2 FIELD TEST. 3.2.1 The lubricant solutio
11、n shall not foam when applied to the tire or wheel by spraying, rolling transfer, or hand applica- tor. 3.2.2 The lubricant solution shall uniformly coat the tire bead areaata minimum film thickness exhibiting no fish eyes, dry spots, or craters. 3.2.3 The lubricant solution shall not cause any slip
12、page or rotation of the inflated tire on the wheel after inflation. TABLE 1 Properties Synthetic Base Total solids, mass % ValUeS 3max Test Method ASTM D460, Method A Soap Base Total solids, mass % 9- 12 ASTM D460, Method A TABLE 2 Properties PH Free alkali, mass %, KOH Free acid, mass %, Oleic Valu
13、es 7-9 0.05 max 0.05 max Test Methods ASTM E70 ASTM D460 ASTM D460 APRIL 1989 PAGE 1 9985555 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 20:30:54 MDTNo reproduction or networking permitted
14、without license from IHS -,-,- 9006379 00046411 668 EJ I GENERAL MOTORS ENGINEERING STANDARDS Materials and Processes - Fuels 81 Lubricants LUBRICANT, TIRE MOUNTING, PREDILUTED 9985555 4 INITIAL SOURCE APPROVAL. No shipment shall be made by any supplier until representative initial production sample
15、s 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) must be submitted with any new submissions or where a composition
16、change has occurred. 5 INSPECTION AND REJECTION. All shipments of material or parts under contract or purchase order manufac- tured to this specification shall be equivalent in every respect to the initial samples approved by engineering. Them shall be no changes in either formulation or manufacturi
17、ng 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 specification, the supplier shall accept the
18、 responsibility for incoming shipments meeting this specification without depen- dence upon purchaser s inspection. 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 n
19、umber have been qualified by the control divi- sion as meeting the requirements of this specification. 7 GENERAL INFORMATION. This standard was issued in December 1984. The latest revisions include the fol- lowing: April 1989 editorial change: March 1987 revision. 9985555 PAGE 2 APRIL 1989 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 20:30:54 MDTNo reproduction or networking permitted without license from IHS -,-,-