TM 9-2350-238-34-1T a b l e 2 - 1 . 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 ( C O N T )M A L F U N C T I O NT E S T O R I N S P E C T I ONC O R R E C T I V E A C T I O N18. A U X I L I A R Y D R I V E O R P O W E R T A K E O F F M A K E S T O O M U C H N O I S E.S t e p 1 . C h e c k a u x i l i a r y d r i v e o i l l e v e l .A d d o i l t o F U L L m a r k o n g a g e . R e f e r t o T M 9 - 2 3 5 0 - 2 3 8 - 1 0.Step 2. C h e c k f o r w o r n o r d a m a g e d u n i v e r s a l j o i n t s i n d r i v e s h a f t.Enter right hull tunnel and turn power takeoff to auxiliary drive shaftback and forth. If any play is in drive line, repair worn or damagedu n i v e r s a l j o i n t s . R e f e r t o T M 9 - 2 3 5 0 - 2 3 8 - 2 0 - 1.Step 3. I s o l a t e n o i s e i n a u x i l i a r y d r i v e o r p o w e r t a k e o f f . R e m o v e e x h a u s t p i p e s.R e f e r t o T M 9 - 2 3 5 0 - 2 3 8 - 2 0 - 1 . D i s c o n n e c t d r i v e s h a f t a t p o w e r t a k e o f f . P u lldrive shaft coupling from power takeoff and lower drive shaft to hull bottom.I n s t a l l e x h a u s t p i p e s . S t a r t e n g i n e . L i s t e n f o r n o i s e . S t o p e n g i n e.a. If noise was not present, replace auxiliary drive, refer to TM 9-2350-238-20-1; or repair auxiliary drive, refer to page 2-95.b. If noise was present, replace power takeoff, refer to TM 9-2350-238-20-1; or repair power takeoff, refer to page 2-163.2 - 15
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