TM 5-3895-373-20REFERENCE INFORMATIONBATTERY/STARTER CIRCUITENGINE SPEED -STE/CE-R TEST 10DESCRIPTIONTEST PROCEDURESMeasures engine speed in the range of 50 to 5000 rpm usingtachometer generator.1.Set TEST SELECT switches to 10.DCA Test Pins: c and d2.Set ENGINE CRANK switch on DCA housing toTEST to prevent engine from starting.PRE-TEST PROCEDURES3.Press and release TEST button.Run confidence test per TM 9-4910-571-12&P.4.Turn ignition switch to start position and crankengine.POSSIBLE ERROR MESSAGESNone5.Observe displayed value. Displayed values are inrpm. If .9.9.9.9 is displayed, engine speed is notwithin test range. Expected display values are:Cranking100 rpm minimumIdle500 to 850Full Speed2640 +40 rpmIf STE/ICE-R reading does not approach expected value, check pulse tachometer generator per DCAdiagnostics, paragraph 2.21.2-117
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