TM 5-3805-262-203-4. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. ENGINE WILLStep 2.NOT CRANK (Cont ).Check engine cranking circuit for proper operation by connecting anexternal 24 volt dc supply to slave receptacle.2. ENGINE HARDStep 1.a .b .If engine still does not crank, disconnect external supply fromslave receptacle and go to page 3-62, starting system trouble-shooting, MALFUNCTION 1.If engine cranks, check battery specific gravity (page 5-144).Charge or replace batteries as necessary.TO START OR WILL NOT START (NO EXHAUST SMOKE).Watch hourmeter/tachometer and record its highest tachometer readingwhile assistant cranks engine using ignition key switch.a. If cranking speed is 200 rpm minimum, go to step 2 below.b. If cranking speed is less than 200 rpm, go to page 3-68, start-ing system troubleshooting, MALFUNCTION 3.3-7
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