TM 9-2350-238-34-1
T a b l e 3 - 1 . G E N E R A L 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 ON
T E S T O R I N S P E C T I O N
C O R R E C T I V E A C T I ON
Step 4. C h e c k f o r d a m a g e d o r f a u l t y i m p a c t w r e n c h c o n t r o l c h e c k v a l v e.
If damaged or faulty, replace impact wrench control check valve.
R e f e r t o T M 9 - 2 3 5 0 - 2 3 8 - 2 0 - 1 .
Step 5. C h e c k f o r d a m a g e d o r f a u l t y h u l l h y d r a u l i c r e l i e f v a l v e.
If damaged or faulty, replace hull hydraulic relief valve. Refer to TM
9 - 2 3 5 0 - 2 3 8 - 2 0 - 1 .
Step 6. C h e c k f o r d a m a g e d o r f a u l t y h y d r a u l i c p u m p.
If damaged or faulty, replace hydraulic pump. Refer to page 3-4.
Step 7. C h e c k f o r d a m a g e d o r f a u l t y a u x i l i a r y d r i v e.
If damaged or faulty, repair auxiliary drive. Refer to page 2-95.
Step 8. I n s t a l l p r e s s u r e g a g e t o l o c k o u t c y l i n d e r m a n i f o l d t e s t p o r t . S t a r t e n g i n e a n d
s e t H Y D P U M P / P T O C L U T C H s w i t c h N .
If pressure gage indicates a minimum of 450 psi, replace lockout
p r e s s u r e r e d u c i n g v a l v e . R e f e r t o T M 9 - 2 3 5 0 - 2 3 8 - 2 0 - 1 . S e t H Y D
P U M P / P T O C L U T C H s w i t c h O F F . S t o p e n g i n e . R e m o v e p r e s s u r e
g a g e.
Step 9. C h e c k f o r d a m a g e d o r f a u l t y l o c k o u t c y l i n d e r c h e c k v a l v e.
If damaged or faulty, replace lockout cylinder check valve. Refer to
T M 9 - 2 3 5 0 - 2 3 8 - 2 0 - 1.
2 . H Y D R A U L I C S U S P E N S I O N L O C K O U T C Y L I N D E R A S S E M B L Y D O E S N O T L O C K .
Step 1. C h e c k f o r l e a k s a n d d a m a g e d o r c l o g g e d t u b e s , h o s e s , a n d f i t t i n g s.
a . T i g h t e n a l l l o o s e c o n n e c t i o n s.
b . R e p l a c e l e a k i n g o r d a m a g e d c o m p o n e n t s . R e f e r t o T M 9 - 2 3 5 0-
2 3 8 - 2 0 - 1 .
Step 2. C h e c k f o r l e a k i n g l o c k o u t c y l i n d e r ( s ) .
R e p a i r l e a k i n g l o c k o u t c y l i n d e r ( s ) . R e f e r t o p a g e 3 - 3 3 .
3 -3