DEATH OR SERIOUS INJURY COULD OCCUR IF FUEL IS NOT HANDLED
CAREFULLY. USE IN A WELL VENTILATED AREA AWAY FROM OPEN FLAME,
ARCING EQUIPMENT, IGNITION SOURCES, HEATERS OR EXCESSIVE HEAT
ENGINE MUST BE SHUT DOWN AND COOL BEFORE REFUELING. ALWAYS
STORE FUEL IN PROPER, MARKED CONTAINERS. DO NOT SMOKE.
As each fuel hose, connection, or connection port is removed be sure to tape over
or plug each open connection in order to prevent contaminants from entering the
The fuel lines and their type and service are
shown In Figure 3-16. All non-pressure lines are made
of rubber hose suitable for use with diesel fuel oil.
Connections to the tank are made by banjo elbows. The
ring pieces serve as hose barbs. All hose end
Replacement hoses may be cut to proper length from
bulk material of like kind (reference Appendix F).
Fuel Filler Cap
Gravity Feed Fuel Line (Hose)
Fuel Pump w/Automatic Venting Device
Return Fuel Line (Hose)
Fuel Pressure Line (Steel)
Vent Line (Hose)
Hose Barb Tee
Return Fuel/Vent Line (Hose)
Figure 3-16. Diagram of Fuel Lines
The line from the fuel pump to the Injector is subject to high pressure. This is a numbered replacement part,
refer to RPSTL TM 5-4310-393-24P. To replace, loosen the tube fitting nut at each end. Remove the tube and replace
with a new part in reverse order.
After replacement of any fuel line(s), start the engine and check for leaks. Tighten
hose clamp or other fittings as appropriate.