ARMY TM 9-6115-604-12
NAVY NAVFAC P-8-633-12
(4) Replace fuel strainer.
(a) Perform steps (2)(a) and (b), above.
(b) Perform step (3)(b), above.
(c) Remove and discard used strainer (7).
(d) Install new strainer (7) and perform steps (3)(f) and (g), above.
The new strainer (7) may compress approximately 1/4 inch (6 mm) when shell assembly
(1) is reattached to cover (6).
Maintenance of Fuel Filter Assemblies. The fuel filters are duplex assemblies with a cast head. There are two
duplex filters associated with the transfer pump and another associated with the engine supply line from the tank.
Inspect and service each fuel filter assembly at intervals noted in Table 3-1 and Table 3-2.
(1) Inspect See Figure 3-3 and Figure 3-12. Inspect each fuel filter head assembly for signs of leakage at the
plugs or hose connections and check for secure mounting.
Diesel fuel, while not as volatile as gasoline, will burn when it contacts a
sufficiently hot surface or an open flame. Ensure that all hot surfaces under fuel
lines to be re- placed are covered. Ensure that buckets or pans are provided to
catch any spilled fuel. Failure to observe this warning could cause injury to
personnel or damage to equipment.
(2) Service. Refer to Figure 3-12 and service each fuel filter assembly by replacing the elements as follows:
(a) Unscrew the fuel filter elements (8) from filter head adapter (5) and discard.
(b) Lightly coat new filter gasket with fuel and fill all filters with fuel prior to installing them.
Always replace both elements of the duplex filter in sets to prevent excessive
deterioration of replacement parts.
Maintenance of Fuel Tank. The fuel tank is located Immediately below the control room floor. Inspect for signs
of fuel leakage under skid base and surrounding area If leakage Is evident, refer to the next higher level of
Inspect Fuel Lines and EFC Fuel Injection Pump.
(1) The fuel lines must not be unnecessarily close to any heat-producing part of the engine or its exhaust
system, nor should any line be rubbing any part of the engine or generator set (see Figure 3-14).
(2) Inspect for sections of fuel lines that appear worn or damaged.
(3) Inspect for kinks or excessively sharp bends In the fuel lines.
(4) Inspect fuel lines for secure mounting There should be no evidence of missing or damaged clamps.
(5) Inspect for evidence of leakage.
(6) Inspect for evidence of corrosion or deterioration.
(7) Inspect EFC fuel Injection pump for secure mounting and leakage.