TM 5-3805-262-20
3-30. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE HARD TO START OR WILL NOT START (EXHAUST SMOKE) (Cont).
S t e p 2 . ( C o n t ) .
Wait for offset value to appear on display. Offset value should be
between -150 to +150. If it is not, STE/ICE is defective (refer to
TM 9-4910-571-12&P).
Press and release TEST.
Crank engine for 30 seconds using ignition key switch. Be sure to
return ignition key switch to off position after cranking.
Display should indicate 20 to 30 psi.
a. If display indicates 20 to 30 psi, disconnect transducer cable
W4 from transducer. Remove transducer and adapter from elbow
port. Reinstall plug in elbow port and go to step 3 below.
b. If display does not indicate 20 to 30 psi, disconnect transducer
cable W4 from transducer. Remove transducer and adapter from
elbow port. Reinstall plug in elbow port and go to page 3-244,
fuel system troubleshooting, MALFUNCTION 1.
Step 3.
Check if there is wrong or contaminated fuel in fuel tank (con-
taminated 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.
Step 4.
While assistant cranks en-
gine using ignition key
switch, check for fuel leaks
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 . If
tightening does no good,
notify next higher main-
t e n a n c e l e v e l ( f u e l i n -
jector lines must be re-
p l a c e d ).
b . I f f u e l l e a k s a r e n ot
seen, go to step 5 below.
3-210
