TM 5-3805-262-20
3-4. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE HARD TO START OR WILL NOT
S t e p 2 . ( C o n t ).
b. If pressure gage
START (EXHAUST SMOKE) (Cont).
does not indicate 20 to 30 psi, disconnect zero
to 50 psi pressure gage from elbow port.
Reinstall plug in elbow port.
Go to page 3-41, fuel system troubleshooting, MALFUNCTION 1.
Step 3.
Step 4.
Check if there is wrong or contaminated fuel in fuel tank (contami-
nated fuel will have a milky white appearance).
a. If wrong or contaminated fuel in fuel tank, drain and clean fuel
t a n k ( p a g e 4 - 3 2 ) , r e p l a c e f u e l f i l t e r s ( p a g e 4 - 3 8 ) , a n d r e f i ll
w i t h c o r r e c t f u e l .
b. If fuel is okay, go to step 4 below.
While assistant cranks engine using ignition key switch, check for
f u e l l e a k s a t f u e l i n j e c t o r l i n e s.
a . I f f u e l l e a k s a r e s e e n , t i g h t e n f u e l l i n e s . I f t i g h t e n i n g d o es
no good, notify next higher maintenance level (fuel injector
lines must be replaced).
b. If fuel leaks are not seen, go to step 5 below.
3-12
