1、 This document is restricted and may not be sent outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corporation. AUGUST 2001 Page 1 of
2、 1 INTERNATIONAL TRUCK AND ENGINE CORPORATION TMS (TRUCK MATERIAL SPECIFICATION) NUMBER: TMS-9529 TITLE: Thermal Cycle Test, Charge Air Cooler REVISION: B-1 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering DATE ISSUED: August 2001 PRINTED COPIES OF THIS DOCUMENT MUST BE VE
3、RIFIED FOR CURRENT REVISION This specification may involve 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
4、applicability of regulatory limits prior to use. Change Notice: Reformatted and Editorial Changes Reference: File 12-1 Keywords: Thermal Cycle Test; Charge Air Cooler 1.0 APPLICATION This specification covers the thermal cycle test requirements for chassis mounted charge air coolers. 2.0 SCOPE This
5、specification describes the test methods. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The following standards, specifications and regulations are referenced in this specification. SAE J 1542 4.0 REQUIREMENTS Charge air cooler must com
6、plete 2,500 cycles without exceeding the charge leakage specification. 4.1 Method of Test Testing shall be in accordance with SAE J-1542. 4.1.1 Cycle Time Shall be 180 seconds, evenly divided between heating and cooling. 4.1.2 Heating Temperature Shall be 138 + 3 C (250 + 5 F) above the ambient temp
7、erature. 4.1.3 Cool Down Temperature Shall be ambient temperature and shall be accomplished by passing ambient air across the charge air cooler during the test. 4.1.4 Charge Flow Rate Shall be within + 5% of the performance flow rate specified on the part drawing. 4.2 Required Charge on cooler must complete 2,500 cycles (minimum) without exceeding the charge leakage specification.
