TM 9-2350-238-34-1S e c t i o n I l . D I R E C T S U P P O R T T R O U B L E S H O O T I N G2 - 4 . T R O U B L E S H O O T I N G I N F O R M A T I O N .a. T h e s y m p t o m i n d e x c a n b e u s e d a s a q u i c k g u i d e t o t r o u b l e s h o o t i n g . C o m m o n m a l f u n c t i o nsare listed in alphabetical order under each major assembly, which appear in MAC order, with a pagenumber reference to the troubleshooting table where a test or inspection and corrective action arep r o v i d e d.b. T h e d i r e c t s u p p o r t t r o u b l e s h o o t i n g t a b l e l i s t s t h e m a l f u n c t i o n , t h e t e s t o r i n s p e c t i o n i n d i c a t i ngthe malfunction, and the necessary corrective action.c. If the malfunction still exists after all listed direct support maintenance corrective actions haveb e e n p e r f o r m e d , n o t i f y g e n e r a l s u p p o r t m a i n t e n a n c e.d. This manual cannot list all malfunctions that may occur, nor all tests or inspections andcorrective actions. If a malfunction is not listed or is not corrected by listed corrective actions, notifyy o u r s u p e r v i s o r .D I R E C T S U P P O R T S Y M P T O M I N D EXT r o u b l e s h o o t i ngP r o c e d u reP a g eE N G I N EEngine cranks but does not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-5Engine cranks slowly but does not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-5Engine is not getting enough air.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-6Engine labors, runs unevenly, smokes too much, lacks power, or usestoo much oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-6Starter fails to crank engine when start switch is pressed . . . . . . . . . . . . . . . . . . . 2-4F U E L S Y S T E MEngine does not get enough fuel.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-7Engine leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-8E X H A U S TBurned areas exist around exhaust manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9Engine smokes too much . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-9R A D I A T O R C O O L I N G V A N E A X I A L F A NRadiator cooling vaneaxial fan does not operate . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9G E N E R A T O RGenerator does not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-102 - 3
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