TM 5-3805-262-20
3-4. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACT ION
4. ENGINE STARTS BUT WILL NOT RUN (Cont) .
Step 2.
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 3 below.
Step 3.
Check for air in fuel system.
a. Open bleed valve on first
s t a g e f i l t e r .
T e l l a s s i s t a n t t o t u r n i g n i -
tion key switch to on posi-
t i o n .
Close bleed valve when clear
bubble free fuel appears.
T e l l a s s i s t a n t t o t u r n i g n i-
tion key switch to off posi-
t i o n .
Open bleed valve on second
s t a g e f i l t e r .
T e l l a s s i s t a n t t o t u r n i g n i -
tion key switch to on posi-
t i o n .
Close bleed valve when clear
bubble free fuel appears.
T e l l a s s i s t a n t t o t u r n i g n i-
tion key switch to off posi-
t i o n .
Use clean cloth and wipe up
any Diesel fuel spillage.
b. If no air in fuel system, go to step 4 below.
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