TM 9-2320-289-20Section Ill. TROUBLESHOOTING2-9.GENERAL.a. This section provides information for identifying malfunctions which may develop in theCUCV. Because of the complexity of the CUCV, troubleshooting has been divided into two majorareas: mechanical troubleshooting (Table 2-3) and electrical troubleshooting (Table 2-4). Thetroubleshooting symptom index (paragraph 2-11) provides a list of possible malfunctions, groupedalphabetically by major truck system, with the location of steps that can be taken to correct themalfunction.b. For a better understanding of how a system operates, see Principles of Operation(Chapter 1, Section Ill). If you’re unsure about the location of an item mentioned in troubleshooting,refer to the maintenance task where the item is replaced. DO NOT perform the maintenance taskunless the troubleshooting table or your supervisor tell you to do so.c. When troubleshooting a malfunction:(1) Ensure that both batteries are fully charged.(2) Question the operator to obtain any information that might help determine thecause of the problem. Also ensure that all applicable operator troubleshooting was performed beforebeginning troubleshooting procedures in this manual.(3) Locate the symptom or symptoms in paragraph 2-11 that describe themalfunction. Check both mechanical and electrical symptoms. If a symptom of a truck malfunction isnot listed, notify your supervisor.(4) Turn to the page in the troubleshooting table where the troubleshootingprocedures are listed. Headings at the top of each page show how each troubleshooting task isorganized: MALFUNCTION, TEST OR INSPECTION (in step number order), and CORRECTIVEACTION.(5)d. If asupervisor.Perform each step in the order listed until the malfunction is corrected.malfunction cannot be corrected by the listed corrective actions, notify your2-25
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