NYLON FUEL PLUMBING REPLACEMENT (Contd)
Diesel fuel is flammable. Keep fuel away from open flames and
keep fire extinguisher within reach when working with fuel. Do not
work on fuel system while engine is hot. Fuel can be ignited by
contact with hot engine. Failure to comply may result in death or
injury to personnel.
Cap or plug all hoses, connections, and openings immediately after
disconnection to prevent contamination. Remove caps or plugs prior
to installation. Failure to comply may result in damage to
All fuel lines are replaced the same way. This procedure covers
replacement of one fuel line.
Have container ready to catch fuel.
Turn handle (1) to closed position on fuel master shutoff valve (2).
Loosen nut (7) and disconnect fuel line (8) from adapters (4).
Repeat step 2 for other end of fuel line (8).
Remove fuel line (8) from boat (3).
Fuel line is not precut. Measure and cut fuel line to length of fuel
line being replaced.
Cut fuel line (8) to correct length.
Install nut (7) on fuel line (8).
Install fuel line sleeve (6) and reducer (5) 1/2 in. from end of fuel line (8).
Install end of fuel line (8) on adapter (4) and seat firmly.
Position nut (7) on fuel line sleeve (6).
Hand-tighten nut (7) on adapter (4).
Tighten nut (7) on adapter (4) to seat fuel line sleeve (6).
Repeat steps 2 through 7 for other end of fuel line (8).
Turn handle (1) to open position on fuel master shutoff valve (2).
Start engine and check for leaks (TM 5-1940-322-10).
Close engine hatches (TM 5-1940-322-10).
Close battery hatch (TM 5-1940-322-10).