TM 9-2320-280-10
3-10. FUEL FILTER MAINTENANCE
WARNING
Do not perform fuel system checks, inspection, or maintenance
while smoking or near fire, flames, or sparks. Fuel may ignite,
causing damage to vehicle and injury or death to personnel.
a. Draining Fuel Filter.
(1) Raise and secure hood (para. 3-8).
(2) Start engine (para. 2-10).
(3) Open fuel draincock (4) and allow approximately 1 pint (0.47 L) of fuel to
drain into a suitable container.
(4) Close draincock (4) when draining is complete.
(5) Shut off engine (para. 2-12).
(6) Lower and secure hood (para. 3-8).
b. Purging Fuel System of Air.
NOTE
This procedure is used to purge fuel system of air if vehicle has run
out of fuel.
(1) Raise and secure hood (para. 3-8).
(2) Disconnect fuel line (2) from fuel filter outlet (3).
(3) Place a rag over fuel filter outlet (3).
(4) Crank engine until rag is wet with fuel.
(5) Connect fuel line (2) to fuel filter outlet (3).
(6) Start engine (para. 2-10) and ensure fuel system has been purged of air.
3-13
