GME 14442-2009 Fuse Load Test.pdf

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1、Test ProcedureLaboratory GME14442Fuse Load TestNote: This specification may be applied only for current projects incl. Global Epsilon (37#).It is Superceded for all future projects and replaced by GMW15950.1 IntroductionNote: Nothinginthisstandardsupersedesapplicablelaws and regulations.Note: In the

2、 event of a conflict between the Eng-lish and the domestic language, the English languageshall take precedence.1.1 Purpose. The purpose of thistestisto determinethe amount of current flow in each fused circuit in thevehicle. This information is used to insure that theproper rated fuse is used for th

3、e circuit. Some loadsshall be tested in hot or cold climate in order to obtaincorrect load.1.2 Foreword. Not applicable.1.3 Applicability. For all fused circuits in the vehicle.1.4 Definitions. Not applicable.2 ReferencesNote: Only the latest approved standards are appli-cable unless otherwise speci

4、fied.None.3 Resources3.1 Facilities. Not applicable.3.2 Equipment.3.2.1 Volt Ohm meter.3.2.2 Current shunt capable of 50 A and if it is nec-essary higher.3.2.3 Vehicle wiring charts if necessary.3.3 Test Vehicle / Test Piece. Test vehicle with allavailable electrical option.3.4 Test Time. One or two

5、 days are required.3.5 Test Required Information. Not applicable.3.6 Personnel / Skills. Not applicable.4 Procedure4.1 Preparation.4.1.1 Ensure that the battery is fully charged.4.1.2 At this test the vehicle is not started.4.1.3 A power supply unit shall be connected in par-allel to the vehicle bat

6、tery. The power supply voltageshall be regulated to 14.5 V.4.2 Conditions.4.2.1 Environmental Conditions. Not applicable.4.2.2 Test Conditions. Deviations from the require-ments of the test procedures shall have been agreedupon. Such requirements shall be specified on com-ponent drawings, test certi

7、ficates, reports etc.4.3 Instructions.4.3.1 Record on data sheets the name of the circuiton the fuse block, the rating of fuse and other compo-nents, if any, that are on that circuit.4.3.2 After all of the components on the circuit havebeen determined, remove the fuse and insert theshunt in itsplace

8、.4.3.3 Turn on all the components in the circuit andmeasure the current through the shunt.4.3.4 Record the current on the data sheet.4.3.5 Repeat for every fuse in fuse block.5 Data5.1 Calculations. Not applicable.5.2 Interpretation of Results. Not applicable.5.3 TestDocumentation. With reference to

9、 this TestProcedure, the results shall be added to a test report.6 SafetyThisstandard mayinvolvehazardousmaterials, oper-ations and equipment. This standard does not pro-pose toadress allthesafetyproblems associatedwithits use. It is the responsibility of the user of this stan-dard to establish appr

10、opriate safety and health prac-tices and determine the applicability of regulatory lim-itations prior to use. Copyright 2009 General Motors Corporation All Rights ReservedPublication Department: GME Specification CenterMarch 2009 - Issue No. 2 Page 1 of 2PRD045 - VPRE ST 1 10/03 GME14442 GM EUROPE E

11、NGINEERING STANDARDS7 Coding SystemThisstandardshallbe referencedinotherdocuments,drawings, etc. as follows:Example: “Test to GME14442”8 Release and Revisions8.1 Release. This standard was first approved andreleased on 14/NOV/2005.Content Owner: GME VS E/E Development & Valida-tionThis standard was

12、first approved by Saab on14/NOV/2005.8.2 Revisions.Rev. Date Description (Org.)1 NOV 2005 First Release (ITDC)2 MAR 2009 was Issue 1, Date of Issue 11/05/ set to Superseded (GME Engi-neering) Copyright 2009 General Motors Corporation All Rights ReservedPage 2 of 2 Issue No. 2 - March 2009PRD045 - VPRE ST G 10/03