TM 9-2320-289-20
1-17.
FUEL SYSTEM.
a. Combines a low-pressure and a high-pressure fuel delivery system.
(1) Low-pressure fuel delivery system consists of:
(a) Fuel Tank.
(b) Fuel (Lift) Pump. Driven by camshaft. Pulls fuel from fuel tank and sends it
through fuel filter to injector pump.
(c) Fuel Filter. Mounted on bulkhead. Removes sediments and water from fuel
before it reaches injector pump.
(d) Fuel Lines. Connects fuel tank to injector pump.
(2) High-pressure fuel delivery system consists of:
(a) Stanadyne Model DB2 Fuel Injector Pump. Delivers high-pressure fuel
from injector pump to nozzles.
(b) Nozzles. Provide high-pressure fuel to each cylinder.
b. Fuel return system delivers excess fuel from the injector pump and injector nozzles
back to the truck’s fuel tank. Fuel lines provide fuel to and from the fuel tank and injector pump.
1-13
