TM 5-3805-262-203-30. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION3. ENGINE HARD TO START OR WILL NOT START (EXHAUST SMOKE) (Cont).Step 7.Unlock and open radiator cap accessRemove radiator cap slowlyp a n e l .to relieve pressure before completely remov-ing when engine is hot. Failure to do so could cause severe burns due toh o t s t e a m s c a l d i n g y o u .If you are scalded by hot steam, seek medicalaid immediately.Remove radiator cap.Remove engine left and right side panels if not already removed(page 9-14).Remove alternator drive belts (page 5-4) .Drain coolant from radiator to just below upper radiator hose port(page 4-69).Disconnect upper radiator hose from thermostat housing (page 4-74).Remove thermostat housing and thermostats (page 4-87).T e l l a s s i s t a n t t o s t a r t e n g i n e ; i f e n g i n e c a n n o t b e s t a r t e d , t e llassistant to crank engine for 30 seconds while you watch coolant inwater manifold for air bubbles.a. If air bubbles rising in coolant in water manifold are seen, no-tify next higher maintenance level to replace cylinder head gas -k e t ( s ).3-213
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