NAVISTAR TMS 9502-2010 Cleanliness Of Radiator Assemblies.pdf
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1、This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2010 by Navistar, Inc. DECEMBER 2010 Page 1 of 5 NAVISTAR, INC. TMS (TRUCK MATERIAL SPECIFICATION) NUMBER
2、: TMS-9502 TITLE: Cleanliness Of Radiator Assemblies CURRENT REV No.: 1012 DATE: DEC. 2010 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: Rev. D-1 August 2001 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may involve
3、 hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicability of regulatory limits prior to use. Change No
4、tice: Replaced “International Truck and Engine Corp.” with “Navistar, Inc.” per corporate directive; added CEMS B-50 requirement; added Table I; added Section 9.0; editorial changes. directive; added CEMS B-50 requirement; Reference: File 09-1 Keywords: Radiator Cleanliness 1.0 APPLICATION This spec
5、ification covers cleanliness requirements for all radiator assemblies containing soldered, brazed, and welded joints. 2.0 SCOPE This specification covers requirements for cleanliness, freedom from contaminants, methods of test, certification, receiving plant inspection, and designation on drawings.
6、2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the CEMS B-50 specification. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply.
7、 The following standards, specifications and regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 CEMS B-50 NAVISTAR Manufacturing Standard MS-D-13 ASTM D 857 CFR Title 29, Part 1910 ASTM D 1179 ASTM D 512 ASTM D 1246 ASTM D 4192 4.0 REQUIREMENTS The radiato
8、rs shall be manufactured so that all surfaces, both inside and outside, are free from contaminating chemical elements, particularly from flux or flux residues, which are or might be corrosive to any material in the radiator, engine assembly, or other parts in the coolant passages. Chemical testing i
9、s described in section 4.3.2. The concentration of chlorides, bromides, or other corrosive chemicals shall not exceed 75 parts per million (ppm) for testing performed according to Method A. Refer to Table I for concentration limits for Method B. 4.1 In addition, radiators purchased to this specifica
10、tion shall be free from visible residues, powders, dirt, paste, or other foreign materials that might tend to clog the passages of the radiator or engine. NUMBER: TMS-9502 TITLE: Cleanliness Of Radiator Assemblies REVISION: 1012 This document is restricted and may not be sent outside Navistar, Inc.
11、or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2010 by Navistar, Inc. DECEMBER 2010 Page 2 of 5 4.2 The radiator manufacturer shall protect the radiator interior by securely sealing all openings to prevent powder, dirt, moi
12、sture, corrosive vapors, or sprays from entering the radiator prior to assembly on the vehicle, unless this requirement is specifically waived by Navistar. 4.3 Methods Of Test 4.3.1 Visual Examination Inspect visually the external and internal surfaces to determine if visual residues, powder, dirt,
13、paste, or other foreign materials are present. It may be necessary to remove paint with chemical paint removers or to disassemble bolted assemblies to facilitate inspection. Reassemble per radiator assembly drawings. 4.3.2 Chemical Testing 4.3.2.1 Method A: Soldered Radiator When the radiator is at
14、ambient room temperature, fill with warm water at a temperature of 49-60C (120-140F), noting the amount of water added. Retain a sample of the water used for filling. Place the radiator in the normal operating position, and after thirty minutes, invert the radiator to an upside-down position. After
15、an additional thirty minutes, place the radiator back to the normal operating position. Withdraw 4 liters (1.05 gallons) of water from a bottom drain plug into a clean vessel. When the radiator is filled with water, there should be no water leaking from openings. Mix the solution with a glass stir r
16、od to suspend any sediment. Analyze the sample of filler water and the 4 liter (1.05 gallon) sample withdrawn from the radiator by the method described in Table I or a method mutually agreed upon between the radiator manufacturer and Navistar Materials Engineering. The content of chlorides and bromi
17、des in the filler water sample shall be subtracted from the content in the withdrawn sample. The difference, which should be zero or a positive value, shall not exceed the limits stated above. If the difference is a negative value, then the test must be repeated on a different radiator. Also, there
18、shall not be a pH change greater than 1 between the withdrawn sample and filler water sample. 4.3.2.2 Method B: CAB Radiator The CAB radiator outlet port needs to be plugged before adding water to the radiator core. Be sure to clean the rubber stopper with deionized water prior to plugging the outle
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