Check fuel/water separator fuel bowl for
(1) If contaminated, drain
contaminated fuel from tank,
replace secondary fuel filter
(Para 4-13) and service or
replace fuel/water separator
filters (Para 4-15 or 4-17) and
fill fuel tank with clean fuel.
(2) If fuel is not contaminated, go to
Step 3 of this Fault.
Fuel is very flammable and can explode easily. To avoid serious injury or death, keep fuel away from
open fire and keep fire extinguisher within easy reach when working with fuel. Do not work on fuel
system when engine is hot. Fuel can be ignited by hot
(1) Start engine (TM 9-2320-364-10).
(a) If engine does not exhaust black
or gray smoke, fault has been
corrected. Perform Step (2)
(b) If engine exhausts black or gray
smoke, fault not corrected. Turn
OFF ENGINE switch and notify
(2) Turn OFF ENGINE switch.