TM 5-3805-262-203-4. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION5. ENGINE MISFIRES (Cont).S t e p 4 . ( C o n t ).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,notify next higher maintenance level to replace cylinder headg a s k e t ( s ) .b . I f a i r b u b b l e s r i s i n g i n c o o l a n t a r e n o t s e e n , t e l l a s s i s t a n t t oshut off engine.Install thermostats and thermostat housing (page 4-89).Connect upper radiator hose to thermostat housing (page 4-75).Fill radiator with coolant (page 4-71).I n s t a l l a n d a d j u s t a l t e r n a t o r d r i v e b e l t s ( p a g e 5 - 5 ) .Install engine left and right side panels (page 9-17).Notify next higher maintenance level (engine must be checkedf u r t h e r ).3-22
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