Water Sedimenter - Drain Water; Fuel Filter (Cartridge Type) - Replace - Mitsubishi Heavy Industries L-Series Operation & Maintenance Manual

Water sedimenter - Drain water

When handling fuel, make sure there are no open flames or other fire hazards near the engine.
Wipe off any spilled fuel completely. Spilled fuel can ignite and cause a fire.
1. Clean around the water sedimenter.
2. Place a fuel tray under the water sedimenter.
3. Turn the cock to "C" (close) position, stop the flow
of fuel.
4. Remove ring nut and cup.
5. Drain water in the cup and soak the element in fuel
to clean.
6. Install filter element and cup with careful attention
to O-ring and then fix with ring nut.
7. Bleed air of water sedimenter.
(Refer to "Water sedimenter - Bleed air"
8. Turn the cock to "O" (open) position, start the en-
gine and let it idle for several minutes.
9. Check the water sedimenter for fuel leakage. If
leakage is found, loosen ring nut and check O-ring
for damage.

Fuel filter (cartridge type) - Replace

When handling fuel, make sure there are no open flames or other fire hazards near the engine.
Wipe off any spilled fuel completely. Spilled fuel can ignite and cause a fire.
1. Clean the area around the fuel filters.
2. Place a fuel tray under the fuel filter.
3. Put a stopper on fuel pipe and stop fuel flow.
4. Change the fule filter for a new one.
5. Bleed air from the fuel filter.
Refer to "Fuel system - Bleed air"
6. Start the engine and let it idle for several minutes.
7. Check the fuel filter for fuel leakage. If fuel leakage
is found, retighten the fixing clamp of the fuel pipe.
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
(8-4))
(8-3).
Cock
Element
O-ring
Cup
Ring nut
Fig. 8-7 Water sedimenter - Drain water
Fig. 8-8 Fuel filter (cartridge type) - Replace
C (Close)
O (Open)
8-5