TM 10-4320-310-14CHAPTER 5DIRECT SUPPORT MAINTENANCE INSTRUCTIONSSection I. TROUBLESHOOTING5-1. TROUBLESHOOTINGa.Table 5-1 contains troubleshooting information for locating and correcting most of the operating troubleswhich are the responsibility of direct support maintenance. Each malfunction for an individual component, unit, orsystem is followed by a list of tests or inspections which will help you to determine probable causes and correctiveactions to take. Perform the tests/inspections and corrective actions in the order listed.b.This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. Ifa malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.c.Only those functions within the scope of direct support maintenance are listed. For troubleshootingprocedures within the scope of the operator/crew maintenance, refer to table 3-1. For troubleshooting procedures withinthe scope of unit maintenance, refer to table 4-2.5-2. SYMPTOM INDEXRefer to the symptom Index below. Locate the malfunction which is the same, or most nearly the same, as the troubleyou are having with the centrifugal pump unit. The Symptom Index lists the first page of the troubleshooting informationfor that malfunction. Follow the steps one by one, and perform the corrective actions listed.Symptom IndexMalfunctionNumberDescriptionPage1Engine cranks but fails to start5-22Engine starts but runs unevenly, stalls, or surges5-23Engine stops running or produces black, white, or gray smoke5-24Engine consumes excessive lube oil5-25-1
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